Advances in Mechanical Design (eBook)

Preface 6
Committees 8
General Chair 8
Program Committee 8
Contents 10
Multi-hierarchy Carbon Footprint Analysis and Low-Carbon Design Improvement Method 18
Abstract 18
1 Introduction 18
2 Multi-hierarchy Carbon Footprint Analysis Model 19
3 Multi-hierarchy Carbon Footprint Analysis Method 20
3.1 Product Carbon Footprint Analysis 20
3.2 The Quantitative and Distribution Method of Carbon Footprint of Module Unit Layer 22
4 Sensitivity Analysis Based Carbon Design Improvement 24
5 Examples Demonstration 25
5.1 Product and Carbon Footprint Analysis of Module Unit 25
5.2 Low-Carbon Design Improvement Based on Sensitivity Analysis 27
6 Conclusion 27
Acknowledgment 28
References 28
The Design and Dynamics Analysis of Cylindrical Roller Surface Unfolding Mechanism 29
Abstract 29
1 Introduction 30
2 The Cylindrical Rollers Surface Unfolding Mechanism 30
3 Establishment and Dynamic Analysis of Surface Unfolding Model of Cylindrical Roller 31
3.1 Establishment of the Two-Dimensional Model of Cylindrical Rollers Surface Unfolding 31
3.2 Dynamic Analysis of the Two-Dimensional Model of Cylindrical Rollers Surface Unfolding 32
3.2.1 The Acceleration Rotation of Cylindrical Roller 32
3.2.2 The Uniform Rotation of Cylindrical Roller 35
4 The Surface Unfolding Model Simulation and Data Analysis for Cylindrical Roller 36
4.1 The Design of Orthogonal Experiment for the Surface Unfolding Model of Cylindrical Roller 36
4.2 The Simulation of Surface Unfolding Model for Cylindrical Roller Based on the Orthogonal Experiment 37
4.3 The Analysis and Verification of the Simulated Data Based on Roller Surface Unfolding Model 40
5 Conclusions 43
References 43
A Novel Cable-Driven Parallel Robot for Inner Wall Cleaning of the Large Storage Tank 45
Abstract 45
1 Introduction 45
2 Statics of the Cable-Driven Mechanism 47
3 Kinematical Analysis 48
3.1 Inverse Kinematic Solution 48
3.2 Forward Kinematic Solution 50
4 Orientation Analysis of the Moving Platform 50
5 Structural Design 52
6 Conclusions 55
Acknowledgement 56
References 56
A Novel Biomimetic Design Method Based on Biology Texts Under Network 58
Abstract 58
1 Introduction 58
2 Overall Approaches 59
3 Core Theories 60
3.1 Biological Data 60
3.2 Engineering Model 61
3.3 TRIZ Principle Words Expand 61
3.4 Searching Method and Algorithm 61
3.5 Modifying Engineering Model by Texts 62
4 Software Develop 63
5 Case Study 63
5.1 Physical Model of Cyclone Dust Collector 63
5.2 Modify Engineering Model 65
5.3 Physical Product Modeling 66
5.4 Design Comparison 67
6 Conclusions 67
References 68
Numerical Simulation on Effect of Graphene Doped Morphology on Heat Transfer Efficiency of Anti-/deicing Component 69
Abstract 69
1 Introduction 69
2 Numerical Simulation Process 71
3 Calculation of Effective Thermal Conductivity 73
4 Results and Discussion 75
5 Conclusions 77
References 78
Numerical Analysis on Load Sharing Characteristics of Multistage Face Gears in Planetary Transmission 80
Abstract 80
1 Introduction 80
2 Model of the Multispeed Transmission Device 82
3 Analysis of the Load Sharing Mechanism 83
3.1 Transmission Ratio Analysis 83
3.2 Force Analysis 86
3.3 Torque and Power Analysis 86
4 Calculation of Static Load Sharing Characteristics 88
4.1 Influence of the Number of Differential/Planetary Gears on Static Load Sharing Characteristics 89
4.2 Influence of the Teeth Numbers on the Static Load Characteristics 90
4.3 Influence of Input Torque on Static Load Sharing Characteristics 91
5 Analysis of Dynamic Load Sharing Characteristics 92
5.1 Calculation of Dynamic Load Coefficient Analysis of Transmission System 93
5.2 Influence of Arrangement Number or Installation Angle of Differential Gears/Planetary Gears 93
5.3 Influence of Integrated Error 95
5.4 Influence of Meshing Stiffness 96
5.5 Influence of Input Speed 97
6 Conclusion 98
Conflicts of Interest 99
References 99
Reachable Matrix and Directed Graph – Based Identification Algorithm of Module Change Propagation Path for Product Family 101
Abstract 101
1 Introduction 101
2 Determining Target Components of Change Propagation 102
3 Identification Algorithm of Change Propagation Path 105
4 Conclusion 108
Acknowledgements 109
References 109
6-DOF Industrial Manipulator Motion Planning Based on RRT-Connect Algorithm 110
Abstract 110
1 Introduction 110
2 Manipulator and Simulation Platform 111
2.1 PUMA-560 Manipulator 111
2.2 Building Simulation Environment in V-REP 112
2.3 Lua and Simulation Experiment 113
3 RRT-Connect Algorithm 113
4 Results and Discussion 115
5 Conclusions 117
References 117
A Precise Identification and Matching Method for Customer Needs Based on Sales Data 119
Abstract 119
1 Introduction 119
2 The Proposed Method 121
2.1 Framework 121
2.2 Dataset Preparation for Online Shopping Data 122
2.2.1 Online Shopping Data Collection 122
2.2.2 Building Up Feature Library 123
2.3 Building Up Relationship Between Product Specifications and Customer Satisfaction Index 123
2.4 Matching Customer Needs and Product Features 123
2.4.1 Distance Measurement 123
2.4.2 Type of Query 124
2.5 Result Ranking and Customer Feedback 124
3 Case Study 124
3.1 Data Acquisition and Preprocessing 124
3.2 Establishing the Relationship Between Product Customer Satisfaction and Product Feature Portfolio 125
3.3 Costumer Real-Time Feedback 126
4 Discussion and Conclusion 128
References 128
Optimization Design of the Non-magnetic Drill Rod for Directional Drilling in the Coal Mine 130
Abstract 130
1 Introduction 130
2 Design of Non-magnetic Drill Rod 131
2.1 Structure Design 131
3 Material Selection 132
4 Force Analysis of the Drill Rod Joint 133
4.1 Pre-tightening Force Analysis of Drill Rod Joints [12–14] 133
4.2 Force Analysis of Axial Load of Thread Under Preload [12, 15, 16] 133
5 Structural Optimization Design 135
5.1 Modeling and Meshing 135
5.2 Setting of Boundary Conditions 136
5.3 Analysis of Calculation Results and Structural Optimization 136
6 Field Industrial Test 139
7 Conclusions 139
References 140
Research on Product Redesign Process Based on Functional Analysis 142
Abstract 142
1 Introduction 142
2 Product Functional Analysis 143
2.1 Hierarchical Function Model (HFM) 144
2.2 Relational Function Model (RFM) 144
3 Product Redesign Process Based on Functional Backtrack Analysis from RFM to HFM 145
4 Case Study - Automatic Sorting Device for Banknotes 150
5 Conclusions 154
References 154
Analysis of Characteristics and Structure Optimization of Anti-rolling Torsion Bar 156
Abstract 156
1 Introduction 156
2 Calculation of Anti-roll Stiffness 157
3 Finite Element Analysis of Stiffness and Strength 159
3.1 Mesh Model 159
3.2 Boundary Conditions 159
3.3 Stiffness Analysis Results 160
3.4 Strength Analysis Results 161
4 Structural Optimization Design 163
4.1 Topology Optimization of Torsion Bar and Torsion Arm 163
4.2 Size Optimization of Torsion Bar and Arm 164
5 Conclusion 166
References 166
Coupling Mechanism of Errors in the Planetary Roller Screw Mechanism 168
Abstract 168
1 Introduction 168
2 Definition of Transmission Error 169
2.1 Mechanical Structure 169
2.2 Transmission Error of PRSM 170
3 Modelling of Transmission Error of Thread Pair 171
3.1 Manufacturing Error Analysis of Thread Pair 171
3.1.1 Cumulative Error in Pitch 171
3.1.2 Half of Thread Angle Error 171
3.1.3 Assemblies Error Analysis 171
3.2 Errors Caused by Load 171
3.2.1 The Screw Combination Deformation 171
3.2.2 The Screw Contact Deformation 172
3.2.3 The Bending Deformation 172
4 Modelling of Transmission Error of Gear Pair 172
4.1 The Profile Deviation 172
4.2 The Pitch Deviation 173
4.3 Helix Deviation 174
4.4 Transmission Error Model of Gear Pair 174
4.4.1 Establishing Gear Finite Element Model 174
4.4.2 Calculation of Tooth Surface Flexibility Coefficient 175
4.4.3 Solution of the Transmission Error of the Gear Pair 175
5 Eccentricity Errors of PRSM 176
6 Calculation of the Total Transmission Error 177
7 Conclusions 178
Acknowledgments 178
References 178
A Novel Tooth Contact Analysis Method Based on Value Iteration 179
Abstract 179
1 Introduction 179
2 Meshing Equations and Instant Contact Point 180
3 Contact Ellipse and Contact Line 181
4 Numerical Example 184
5 Conclusions 186
References 186
Rigidity Synthesis and Machining Error Analysis of Machine Tool Chain 187
Abstract 187
1 Introduction 187
2 Machine Tool Error Analysis 190
3 Machine Tool Chain Rigidity Synthesis Model 192
3.1 Machine Rigidity Matrix Polycondensation 193
3.2 Machine Load Transfer Matrix 195
3.3 Machine Tool Rigidity Synthesis Model 196
3.4 Machine Tool Machining Error Prediction Model 197
4 Examples 198
4.1 Analysis of Machine Space Rigidity Field 198
4.2 Feature Process Model Construction 200
4.3 Standard Parts Error Analysis 201
5 Conclusions 204
References 205
Thermodynamic Lubrication Performance and Stability for a Deep/Shallow Pocket Hybrid Bearing Considering Bubbly Oil 206
Abstract 206
1 Introduction 206
2 The Basic Simulating Models 207
2.1 Reynolds Equation 208
2.2 Thermodynamic Governing Equations 208
2.2.1 Energy Equation 208
2.2.2 Isothermal Model 209
2.2.3 Viscosity Equation 209
2.3 Lubricant Film Thickness 209
2.4 Boundary Conditions 210
2.5 Lubrication Characteristic Parameters 211
3 Stability Modelling 211
4 Results and Discussion 212
4.1 Temperature Distribution 213
4.2 Lubrication Characteristics 214
4.3 Stability Analysis 216
5 Conclusions 217
References 218
Time Delay Chen System Analysis and Its Application 219
Abstract 219
1 Introduction 219
2 Time Delay Chen System Analysis 220
2.1 Stability Analysis 220
2.2 Hopf Bifurcation Analysis 221
3 Numerical Simulation 224
4 Application in Wireless Mobile Robot 226
4.1 The Mathematical Model of a Wheeled Robot 226
4.2 Control Circuit Design 228
5 Conclusion 228
References 229
The Driver-in-the-Loop Simulation on Regenerative Braking Control of Four-Wheel Drive HEVs 231
Abstract 231
1 Introduction 231
2 Analysis of Vehicle Dynamics 232
3 Regenerative Braking Control Strategy 235
4 Driver in the Loop Simulation Platform 235
5 Conclusions 239
References 239
Strength and Modal Analysis of High Speed EMU Gearbox Housing 240
Abstract 240
1 Introduction 240
2 Static Strength Analysis of the Gearbox Housing 241
2.1 Establishment of Finite Element Model 241
2.2 Establishment of Finite Element Model 241
3 Modal Analysis of Gearbox Housing 242
3.1 Basics of Modal Analysis 242
3.2 Solution Results and Analysis 243
4 Conclusion 244
References 244
Indirect Adaptive Fuzzy Sliding-Mode Control for Hydraulic Manipulators 246
Abstract 246
1 Introduction 246
2 The Servo Hydraulic System Model of the Manipulator 247
2.1 Structure of Manipulator 247
2.2 Mathematical Modeling 248
3 Design of Indirect Adaptive Fuzzy Sliding Mode Controller 250
4 Simulation and Results 254
5 Conclusions 258
References 259
Improvement and Research of Tennis Training Machine 260
Abstract 260
1 Introduction 260
2 The Analysis of Principle and the Improved Design 261
3 The Analysis of Dynamics and Simulation 264
3.1 The Analysis of Tennis Rotation 264
3.2 The Mechanics Analysis of Tennis 264
4 Simulation Verification 267
5 Conclusion 268
References 269
Design of Flagstone Transport Device Based on TRIZ Theory 270
Abstract 270
1 Introduction 270
2 TRIZ Theory 271
3 Analysis of Substance-Field Model of Existing Flagstone Transport Mode 271
4 The Innovative Design of the Flagstone Transport Device 272
4.1 The Design of the Preliminary Scheme 272
4.2 Functional Model Analysis of the Flagstone Transport Device 273
5 The Structure Optimization of the Flagstone Transport Device 278
6 Conclusions 281
References 282
Fault Analysis and Structure Optimization of End Face Seal of Hydraulic Oscillator 284
Abstract 284
1 Introduction 284
2 Finite Element Analysis Method for Reciprocating Seal Structure 285
2.1 Reciprocating Seal Mechanism and Material Constitutive Model 285
2.2 Dynamic Seal Analysis of the Original Seal Structure 286
3 Finite Element Analysis of Improved Combined Seal Dynamics 287
3.1 The Establishment of Improved Combined Seal Model 287
3.2 Dynamic Seal Analysis of Improved Combined Seal 288
4 Conclusions 290
References 290
Innovative Design of Leeward Surface of Pin Fin in Flame Arresters Fitted in Explosion Relief Valve 291
Abstract 291
1 Introduction 292
2 Model Description 293
2.1 Working Principle 293
2.2 Innovative Design of Leeward Surface 294
2.3 Staggered Labyrinth Array of Pin Fins 295
3 Numeral Calculation 295
3.1 Physical Model 295
3.2 Governing Equations 296
3.3 Structural Mesh 297
3.4 Boundary Condition 297
4 Results and Discussion 297
4.1 Temperature Distribution 297
4.2 Pressure Distribution 301
4.3 Velocity Distribution 301
5 Conclusions 303
References 303
Analysis and Optimization of Performance Under Operating Condition of Thrust Aerostatic Bearing with Vacuum Pre-load 305
Abstract 305
1 Introduction 306
2 Structure of VPL Pad 306
3 Analysis of Performance Under Operating Condition 307
3.1 Definition of Stiffness Volatility 307
3.2 Influence of Area Ratio 309
3.3 Influence of Positive Pressure 310
4 Orthogonal Optimization 313
4.1 Orthogonal Trial Design 313
4.2 Optimization of Stiffness Volatility 314
4.3 Optimization of Average Stiffness Under Operating Conditon 316
4.4 Synthesis Optimization 317
5 Conclusions 317
References 317
A Study on Innovative Design of Rotary Pile Foundation Drilling Machine Based on TRIZ Theory 319
Abstract 319
1 Introduction 319
2 TRIZ Theory Summary 319
2.1 Constitution of TRIZ Theory System 320
2.2 Determination of Technical Conflict and Its Solution Procedure 320
3 TRIZ Theory Based Innovation Design Example 322
3.1 Analysis of Problems in Rotary-Digging Pile Foundation Drilling Machine 322
3.2 Determination of Technical Conflict 322
3.3 Determination of Inventive Principle 323
4 Design Scheme for Ultra-large Diameter Pile Foundation Drilling Machine 324
5 Conclusions 325
References 326
Design and Optimization of Focusing X-Ray Telescope Based on Intelligent Algorithm 327
Abstract 327
1 Introduction 327
2 Focusing X-Ray Telescope 328
3 Multiobjective Optimization Model 330
3.1 Design Variables and Parameters 330
3.2 Optimization Model 330
3.2.1 Effective Aera 331
3.2.2 Weight 332
4 Nondominated Sorting Genetic Algorithm II 333
4.1 Main Idea 333
4.2 Procedures 333
5 Optimization and Data Mining 335
5.1 Multiobjective Optimization 335
5.2 Data Mining and Analysis 336
5.2.1 The Influence Design Variables on Effective Area 336
5.2.2 Ratio of Focal Length and Effective Area 338
5.2.3 Ratio of Effective Area and Weight 338
5.3 Decision-Making 339
6 Conclusions 341
References 341
Research of Dormitory Furniture Design Based on Group Interaction 342
Abstract 342
1 Introduction 342
2 Investigation of University Dormitory Environment and Dormitory Furniture in China 343
2.1 Questionnaire Design 344
2.2 Data Collection 344
2.3 Data Analysis 345
2.3.1 Reliability Analysis 345
2.3.2 Validity Analysis 345
2.4 Analysis of the Relationship Between Dormitory Furniture and Student Dormitory Life Satisfaction 346
2.5 Investigation and Analysis of College Dormitory Environment and Dormitory Furniture 347
2.6 Main Factors Affecting the Needs of Group Communication in the Dormitory 348
3 Dormitory Furniture Design Concept Based on Group Interaction and Communication Needs 350
3.1 Design Concept of Dormitory Furniture Based on Living Environment and Usage Requirements 350
3.2 Design Concept of Dormitory Furniture to Create Clean Environment and Harmonious Atmosphere 351
4 Dormitory Furniture Design Examples Based on Group Communication Needs 351
4.1 Example 1: The Fusion of Movement and Static 351
4.1.1 Dormitory Furniture Design 351
4.1.2 Design Features 354
4.2 Example 2: Beating Melody 354
4.2.1 Dormitory Furniture Design 355
4.2.2 Design Features 357
5 Conclusions 357
References 358
Analysis and Extraction of Consumer Information for the Evaluation of Design Requirement Depending on Consumer Involvement 359
Abstract 359
1 Introduction 359
2 Process Model 361
3 Processing Consumer Requirements in OD 362
3.1 Collecting Consumer Requirement in OD 362
3.2 Analyzing Consumer Requirement 362
4 Evaluating the Design Requirement in OD 363
4.1 Using a Machine Learning Approach to Identify the Relationship Between CRs and DRs 363
4.2 Evaluating the Design Requirement in Fuzzy QFD 364
5 Case Study 366
5.1 Collecting and Analyzing CRs in OD 366
5.2 Evaluating Design Requirements 367
6 Conclusions 369
References 369
Reduction in Aerodynamic Resistance of High-Speed Train Nose Based on Kriging Model and Multi-objective Optimization 371
Abstract 371
1 Introduction 371
2 Numerical Approaches 373
2.1 Design Variables and Parameterized Train Nose 374
2.2 Design of Experiment (DOE) 375
2.3 Numerical Model for Aerodynamics 376
2.4 Kriging Model 377
2.5 Multi-objective Optimization 377
3 Results 377
3.1 Train Aerodynamics 378
3.2 Approximation Model 380
3.3 Multi-objective Optimization 381
4 Conclusions 385
Appendix 386
References 386
Research and Simulation on Pilot Configuration in Multi-antenna System Based on Kalman Filter 388
Abstract 388
1 Introduction 388
2 System Model 389
2.1 System Model 389
2.2 Channel Model 390
2.3 Pilots and Kalman Filter Configuration 391
3 Simulation 392
3.1 Estimation Performance Compared with Ref. [5] 392
3.2 Estimation Performance Compared Different Pilot Configuration 394
3.3 Comparisons of BER Performance for Different Ricean Channels 394
4 Conclusion 395
References 396
Development and Experiment of an X?Y?Z Micro-motion Stage Based on a Straight-Beam Three-Quarter Round Type Flexure Hinge 397
Abstract 397
1 Introduction 397
2 STR Flexure Analysis 399
2.1 Flexibility Analysis of the STR Hinge 399
2.2 Compliance Formula 400
2.3 Calculation of Overall Rotational Stiffness of Flexure Hinge 402
2.4 Finite Element Verification and Comparison 402
3 X?Y?Z Micro-motion Stage Based on the STR Hinge 403
3.1 Structural Composition 403
3.2 Analysis of Kinetic Theory 404
3.3 Natural Frequency Simulation Analysis 406
3.4 Dynamics Simulation Analysis 407
4 Experimental Analysis 407
4.1 Natural Frequency Experiment Verification 408
4.2 Motion Positioning Experiment Verification 408
5 Conclusion 409
References 410
An Improved PC-Kriging Method for Efficient Robust Design Optimization 411
Abstract 411
1 Introduction 412
2 Review of PC-Kriging Method 413
3 The Proposed Improved PCK Method 415
3.1 Analytical Statistical Moment Estimation 415
3.2 Sequential Sampling 419
4 Mathematical Examples 419
4.1 Test of the Statistical Moment Estimation Strategy 420
4.2 Test of the Sequential Sampling Strategy 420
5 Application to Airfoil Robust Optimization 422
5.1 Problem Description 422
5.2 Optimal Results and Analysis 424
6 Conclusions 427
Acknowledgement 427
References 427
Electro-Mechanical Response of a Cracked Piezoelectric Cantilever Beam 429
Abstract 429
1 Introduction 429
2 The Modeling of Piezoelectric Ceramic Beam 431
2.1 Description of Piezoelectric Ceramic 431
2.2 Finite Element Model of Piezoelectric Cantilever Beam 432
3 Effects of Center Crack on the Mechanic Induced Response 433
3.1 Finite Element Model of the Cracked Piezoelectric Cantilever Beam 433
3.2 Effects of Crack Size on the Mechanical Response 434
4 Effect of Crack on Electrical Induced Response 436
5 Conclusions 438
References 439
A Time-Variant Reliability Analysis Method Considering Maintenance 441
Abstract 441
1 Introduction 441
2 Brief Introduction of Time-Variant Reliability Analysis 443
3 Time-Variant Reliability Modeling and Analysis Considering Maintenance 444
3.1 Reliability Modeling 444
3.2 Reliability Solution 446
4 Optimization of the Maintenance Strategy 449
5 Numerical Examples and Discussions 450
5.1 A Ten-Bar Truss 450
5.2 Automobile Engine Crankshaft 454
5.3 Application to a Practical Automobile Frame 457
6 Conclusions 461
Acknowledgements 461
References 461
Research on Tooth Profile Error of Non-circular Gears Based on Complex Surface Theory 464
Abstract 464
1 Introduction 464
2 Mathematical Model for Evaluating Tooth Surface Error 465
3 Data Acquisition of Non-circular Gear Tooth Surface 466
4 Tooth Surface Reconstruction 468
5 Matching of Theoretical Data with Reconstructed Tooth Surface 469
6 Example Calculation 471
7 Conclusion 472
References 472
Topology Optimization Design of the Monocoque Bus Body Structure 473
Abstract 473
1 Introduction 473
2 Topology Optimization Theory and Mathematical Optimization Model of Body 474
3 Topology Optimization of Body Structure 476
3.1 Determine the Topology Optimization Space 476
3.2 Apply Constraints and Loads 477
3.3 Topology Optimization Analysis 478
3.4 Topology Optimization Results 479
4 Verification of Finite Element Analysis 481
5 Conclusions 481
References 482
Analysis of Wind Vibration Response of Transmission Tower 483
Abstract 483
1 Introduction 483
2 Wind-Load Theory and Wind Speed Simulation 484
2.1 Wind-Load Theory and Characteristics 484
2.2 The Simulation of Tower’s Wind Speed Time Series 485
2.3 Numerical Calculation of Wind Load 487
3 Analysis of Dynamic Characteristics of Transmission Towers 487
3.1 Establishment of Finite Element Model of Transmission Towers 487
3.2 Analysis of Dynamic Characteristics of Transition Towers 488
4 Analysis of Wind Vibration Response of Transmission Tower 490
4.1 Time Domain Analysis Based on Newmark-? Method 490
4.2 Determining the Structural Damping of the Tower 490
4.3 Generating Wind Load Time-History Curve 490
4.4 Analysis of Wind Vibration Response of Transmission Tower 491
5 Conclusions 492
References 493
Design of a Stabilize Device for Heavy Oil Transportation in Water Ring 494
Abstract 494
1 Introduction 494
2 Invention Design of Stabilize Device 495
2.1 Product Innovation Optimization Design Method Based on TRIZ and Extenics 495
2.1.1 TRIZ Theory and Extenics 495
2.1.2 Product Innovation Optimization Design Method Based on TRIZ and Extenics 495
2.2 Stabilize Device Innovation Based on TRIZ and Extenics 496
2.2.1 Problem Recognition Based on Primitive Model 496
2.2.2 Problem Analysis Based on Primitive Model 497
2.2.3 Feasibility Solution Prediction Based on TRIZ Innovation Principle 497
2.2.4 Element Transformation of Feasible Solution 498
2.3 Final Program Objectives 499
3 Numerical Simulation of Stabilize Device 500
3.1 Control Equation 500
3.2 Computational Model 501
4 The Analysis and Discussion of the Results 502
4.1 Scheme Simulation and Comparison 502
4.2 The Formation of Two Phase Flow and Its Flow Field Analysis 505
4.3 Evaluation of Program Excellence 508
5 Conclusions and Recommendations 508
References 508
Design of Spatial Lissajous Trajectory Vibrating Screen 510
Abstract 510
1 Introduction 510
2 Formation Principle of Two-Dimensional Lissajous Curve 510
3 Formation Method of Spatial Lissajous Vibration Trajectory 511
3.1 Theoretical Equation for Spatial Lissajous Vibration Trajectory 511
3.2 Realization Principle of Spatial Lissajous Vibration Trajectory 512
3.3 Realization Principle of Spatial Lissajous Vibration Trajectory 513
4 Conclusions 514
References 514
Part Retrieval Technology Based on Geometric Shape and Topological Correlation 516
Abstract 516
1 Introduction 516
2 Fuzzy Retrieval Method Based on Part Description Semantics 517
2.1 The Type of Describe Semantics 517
2.2 Fuzzy Retrieval Process Based on Semantic 517
3 Similarity Calculation and Part Retrieval Based on Geometric Shape and Topological Information 518
3.1 Information Description Based on B-Rep 519
3.2 Similarity Calculation 520
3.2.1 Similarity Calculation of Geometric Shapes 520
3.2.2 Similarity Calculation of Topological Features 521
3.2.3 Similarity Calculation of the Overall Model 521
3.3 Transplant Part Retrieval Process Based on Geometry and Topology Information 522
4 Example 522
5 Conclusions 523
References 523
Analysis of Tool Wear and Wear Mechanism in Dry Forming Milling for Rail Milling Train 525
Abstract 525
1 Introduction 525
2 Mobile Rail Milling Technology 526
3 Analysis of Tool Wear in Forming Milling of Rail 527
4 Analysis of Wear Mechanism in Forming Milling of Rail 530
5 Conclusions 533
References 533
Wear Numerical Simulation and Life Prediction of Microstructure Surface Unfolding Wheel for Steel Ball Inspection 535
Abstract 535
1 Introduction 535
2 Analysis of Unfolding Wheel Drive Surface Wear Type and Establishment of Discrete Archard Adhesive Wear Model 537
2.1 Analysis of Unfolding Wheel Drive Surface Wear Type 537
2.2 Discrete Archard Adhesive Wear Model Based on Finite Element 538
3 Wear Numerical Simulation of the Micro-structure Unfolding Wheel 539
4 Establishment of Critical Failure Condition and Wear Life Model of Unfolding Wheel 543
4.1 Establishment of Unfolding Wheel Critical Failure Condition 543
4.2 Unfolding Wheel Life Prediction Model 544
5 Example of Unfolding Wheel Life Prediction 545
5.1 Example of Smooth Surface Unfolding Wheel Life Prediction 545
5.2 Example of Microstructure Surface Unfolding Wheel Life Prediction 546
6 Conclusion 547
References 547
Design of Passive Gravity Balance Mechanism for Wearable Exoskeleton Suit 548
Abstract 548
1 Introduction 548
2 Passive Gravity Equilibrium Theory System 550
3 Characteristic Analysis of Passive Gravity Balance Mechanism of Parallelogram Mechanism 553
4 Optimization Design of Parallelogram Passive Gravity Balance Mechanism 557
4.1 Optimization Design Model 557
4.2 Optimization Design Calculation and Result Analysis 559
5 Passive Gravity Balance Mechanism Design 560
6 Conclusions 561
References 561
Design and Analysis of Underwater Drag Reduction Property of Biomimetic Surface with Micro-nano Composite Structure 563
Abstract 563
1 Introduction 563
2 Structural Design 565
3 Simulation and Optimization 567
3.1 Conditions of Fluid Mechanics Calculation 567
3.2 Calculation Results and Analysis 569
3.2.1 Optimization of Composite Structure Parameters 569
3.2.2 Flow Field on the Surface of the Structure 571
3.2.3 Numerical Analysis of Drag Reduction Characteristics 571
4 Drag Reduction Mechanism 573
5 Conclusion 575
References 575
A Method of Parametric Stability Region Determination for Non-linear Gear Transmission System 577
Abstract 577
1 Modeling 578
1.1 Dynamic Meshing Force 579
1.2 Controlling Equation 580
2 Calculation Method of Parametric Region 581
3 Stable Region Calculation 582
3.1 Single Parameter Stable Region 582
3.2 Double Parameters Stable Region 583
3.3 Triple Parameters Stable Region 585
4 Conclusion 586
References 586
Performance and Parameter Sensitivity Analysis of Finger Seal with Radial Clearance 587
Abstract 587
1 Introduction 587
2 Geometry of Finger Seal 589
3 Simulation Method 590
3.1 Governing Equations 590
3.2 Boundary Conditions 591
3.3 Performance Parameters 592
4 Simulation Results and Discussions 593
4.1 Compare with Compressible and Incompressible Flow 593
4.2 Change Finger Numbers 595
4.3 Change Flow Length 596
4.4 Change Pressure Differential 596
4.5 Change Rotating Speed 597
4.6 Change Temperature 599
4.7 Validate Simulation Results 599
5 Parametersensitivity Analysis 600
5.1 Parameter Sensitivity Analysis Method 600
5.2 Orthogonal Design and Simulation Results 601
5.3 Sensitivity Measurement Based on Fuzzy Evaluation 602
5.4 Sensitivity Analysis Results 604
6 Conclusions 606
References 607
Calculation and Experimental Study on Comprehensive Stiffness of Angular Contact Ball Bearings 609
Abstract 609
1 Introduction 609
2 Theoretical Calculation Model 610
2.1 Geometric Equation 611
2.2 Force Balance Equation Between the Ball and the Inner and Outer Ring 611
3 Test and Analysis 613
3.1 Test Platform 613
3.2 Principle 614
3.3 Result and Analysis 614
4 Conclusions 617
References 618
Design of a New Hydraulic Manipulator with Kinematic and Dynamic Analysis 619
Abstract 619
1 Introduction 619
2 Kinematics 620
2.1 Base System Model 620
2.2 D-H Coordinate System 622
2.3 Kinematic Equation 623
2.4 Joint Variable Analysis 625
3 Inverse Kinematic 626
4 Dynamic Analysis 626
4.1 Lagrangian Dynamics 626
4.2 ADAMS Simulation 628
5 Conclusions 629
References 630
Research on Electro-Hydraulic Servo System Based on BP-RBF Neural Network 632
Abstract 632
1 Introduction 632
2 Mathematical Modeling of Electro-Hydraulic Servo System 633
3 Basic Principles of BP and RBF Neural Network 634
4 Design of PID Controller Based on BP-RBF Identification 635
5 Simulation Analysis 636
6 Experimental Verification 637
7 Conclusions 638
References 639
Collision Simulation of GQ70 Light Oil Tank Car at the Level Crossing 640
Abstract 640
1 Introduction 640
2 Basic Theory of Explicit Dynamics 641
3 Finite Element Analysis 642
3.1 Finite Element Model 642
3.2 Finite Element Analysis Results 643
3.2.1 Results of Collision in the Middle Part of Tank Car 643
3.2.2 Collision Results of Tractor Frame of Tank Car 645
4 Effect of Design Parameters on the Collision Performance 646
4.1 Collision in the Middle Part 647
4.1.1 Truck Mass 647
4.1.2 Collision Speed 647
4.2 Collision of Tractor Frame 648
4.2.1 Truck Mass 648
4.2.2 Collision Speed 649
5 Conclusions 649
References 650
Reason Study of Collision Between Valves and Piston of Diesel Engine Valve Train 651
Abstract 651
1 Introduction 651
2 Basis of Theoretical Analysis 652
3 Thermal-Mechanical Coupled Finite Element Analysis of Valve Train 653
3.1 Model Establishment 653
3.2 Results of Thermal-Mechanical Coupled Analysis 656
3.2.1 Distribution of Temperature Field 656
3.2.2 Distribution of Equivalent Stress 656
3.2.3 Distribution of Equivalent Elastic Strain 657
4 Cause Analysis of Collision Between Valve and Piston 660
4.1 Distribution of Thermal Deformation 660
4.2 Collision Cause 661
5 Conclusions 662
References 662
Macroscopic Topology Optimization of Fusion Cages Used in TLIF Surgery 664
Abstract 664
1 Introduction 665
2 Materials and Methods 666
2.1 FEM of the Lumbar Spine 666
2.2 Macroscopic Topology Optimization 666
2.3 FEM of Transforaminal Lumbar Interbody Fusion 667
2.4 Boundary and Loading Condition 667
3 Results 669
3.1 Validation of the Intact FEM 669
3.2 Optimization Result and Optimized Cage 669
3.3 The ROM of Models 670
3.4 The von Mises Stress on the Endplate 670
3.5 The Stress of Cage 672
3.6 Stress Shielding Signal 673
4 Discussion 674
5 Conclusions 676
References 676
Fuzzy Optimization Design of Disc Brakes Based on Genetic Algorithm 678
Abstract 678
1 Introduction 678
2 Braking Torque Determination of a Disc Brake 679
3 Determination of Temperature Rise of the Brake Per Braking 680
4 Mathematical Model Establishment for the Fuzzy Optimization Design of Disc Brakes 681
4.1 Determination of the Target Function 681
4.2 Determination of Design Variables 681
4.3 Determination of Constraint Conditions 682
5 Conclusion 685
References 685
Modeling Design and Evaluation of Rotary Tiller Based on Multidisciplinary Optimization 686
Abstract 686
1 Introduction 686
2 Knowledge of Multi-disciplinary Optimization 687
3 Design and Evaluation of Rotary Tillers Cheme Based on Multi-disciplinary Optimization 689
3.1 The Perceptual Imagery and Design of Rotary Tiller 689
3.2 Ergonomic Optimization of Rotary Tiller 691
3.3 The Perceptual Imagery and Design of Rotary Tiller 694
3.4 Optimization of Color Theory of Rotary Tiller 696
4 Optimization Design of Rotary Tiller 700
5 Conclusions 700
Appendix 701
References 701
Experimental Investigation of Thermal Elasto-Hydrodynamic Lubrication Based on Temperature Control 703
Abstract 703
1 Introduction 703
2 Experimental Apparatus and Conditions 704
2.1 Lubricant Heating System 705
3 Image Process of Interference Image 705
3.1 Circle Detection 706
4 Test Condition 708
5 Discussion and Result 708
5.1 Effect of Temperature 708
5.2 Effect of Speed 710
5.3 The Effect of Load 712
6 Conclusion 712
References 713
Study on Nonlinear Characteristics of Spatial Spreading Mechanism with Multiple Clearance Joints 714
Abstract 714
1 Summary 715
2 An Improved Contact Force Model Based on Variable Stiffness Coefficient 716
2.1 Contact Force Model 716
2.2 Friction Force Model 716
3 Study on Nonlinear Characteristics of Spatial Spreading Mechanism with Multiple Clearance Joints 717
3.1 Spatial Spreading Mechanism 717
3.2 Numerical Simulation 718
3.2.1 The Influence of Clearance Size 718
3.2.2 The Influence of Clearance Number 721
3.2.3 The Influence of Gravity 722
4 Conclusion 723
References 724
A Novel Design of Tapered Sub-array Structure for SSPS-OMEGA 725
Abstract 725
1 Introduction 725
2 Mechanical Design of Sub-arrays 726
3 Geometric Analysis 728
4 Configuration Design of Sub-units 730
5 3D Modeling of the Tapered Sub-array Structure 732
6 Conclusions 734
Acknowledgements 734
References 735
Research on Multiresponse Robustness Optimization for Unmanned Aerial Vehicle Electrostatic Spray System 736
Abstract 736
1 Introduction 736
2 Response Surface Methodology and Multiple Response Optimization 738
3 Design of Experiments in RSM 739
4 Unmanned Aerial Vehicle Electrostatic Spray System Optimization 740
5 Conclusions 744
Acknowledgment 745
References 745
Research on Trajectory Optimization of Six-Axis Manipulator Based on Watchcase Polishing 746
Abstract 746
1 Introduction 746
2 Analysis of Manipulator Kinematics 747
3 PTP Path Optimization Strategy 748
4 Simulation and Experiment 751
4.1 Optimization of Adaptive Genetic Algorithm 751
4.2 Experiment and Analysis 752
5 Conclusions 755
References 755
Reverse Modeling of the Helix Roller in the Omni-Directional Wheel Based on NURBS 757
Abstract 757
1 Introduction 757
2 Three-Coordinate Measuring of the Spiral Roller 758
3 Curve Reconstruction of the Spiral Roller Contour 759
3.1 NURBS Curves Relevant Principles 759
3.2 Spiral Roller Least Squares Approximation of NURBS Curves 759
3.2.1 Parameterization of Data Points [11] 760
3.2.2 Determination of Weighting Factor 760
3.2.3 Determination of Vector 760
3.2.4 Inverse Solution of Control Vertex 760
3.3 Implementation of NURBS Least Squares Approximation by MATLAB 762
4 Surface Reconstruction of the Spiral Roller 762
5 Construction of the Three Dimensional Model of the Spiral Roller 763
6 Conclusions 764
References 764
Research on Automatic Matching Model of Power Battery 766
Abstract 766
1 Introduction 766
2 Design of Battery Automatic Sorting and Matching System 767
3 Battery Sorting Algorithm 768
3.1 Adaptive Genetic Algorithm 768
3.2 Fuzzy C-Means Algorithm 769
3.3 Fuzzy C-Means Clustering Algorithm Based on Adaptive Genetic Algorithm 769
4 Battery Matching Prediction Model Based on Support Vector Machine 770
4.1 Kernel Function Selections 771
4.2 Kernel Parameter Optimization 771
4.3 Matching Prediction Model Establishment 772
5 Experimental Verification 773
5.1 FCM Sorting Experiment 773
5.2 SVM Matching Experiment 774
6 Conclusions 775
References 775
Random Vibration Analysis of Optical Adjustable Frame Based on ANSYS Workbench 777
Abstract 777
1 Scheme Design of Optical Adjustment Frame 778
2 Modal Analysis 779
3 Random Vibration 782
4 Conclusion 785
References 785
Analysis of Influence of Eccentricity Error on Transmission Performance of Micro-segment Gears 786
Abstract 786
1 Introduction 787
2 Construction of Mathematical Model of Tooth Profile of Micro-segment Gear 788
3 Mathematical Modeling of Gear Tooth Profile Considering Eccentricity Error 790
4 Discrete Tooth Contact Analysis Method 791
4.1 Discrete TCA Method 791
4.2 The Influence of Eccentricity Error on Transmission Error of Micro-Segment Gears 794
5 Conclusion 800
References 801
Research on the Design of Wearable Equipment for Intelligent Emotion Detection for Empty Nester 802
Abstract 802
1 Introduction 802
2 The Significance of Empty Nest Elderly’s Emotion Detection 803
3 The Research on Emotional Interaction for Empty-Nesters 803
3.1 The Research on Interaction Design for the Elderly 803
3.2 Research on the Development Status of Emotional Interaction Design 804
4 Investigation of Emotional Detection Needs of Empty Nesters 804
4.1 Interview Survey 804
4.2 Interview Results and Analysis 805
4.3 Questionnaire Survey 806
5 Design Strategy of Empty-Nesters Emotional Detection Products 808
5.1 Interaction Design Principles 808
5.1.1 Technical Considerations 808
5.1.2 Security Issues and Recommendations 810
5.2 Form Design Principles 810
5.2.1 Functional Simplicity 810
5.2.2 Ease-of-Use 810
5.2.3 Fault-Tolerance 810
6 Conclusions 810
References 811
Narrative Design of Old Brand Image: A Case Study of Demaogong 812
Abstract 812
1 Summary of Narrative Package Design 812
2 Characteristic Analysis of Packaging Narrative Design 813
2.1 Narrative Theme 813
2.2 Narrative Readability 813
2.3 Cultural Connotations 815
2.4 Narrative Performance 815
3 Narrative Design of Shaanxi Old Brand Demaogong Package 816
3.1 Development of Demogong Package Design 816
3.2 Design Position 817
3.3 Narrative Design Performance 817
3.4 Design Exhibition 818
4 Conclusion 819
References 820
Study on the Theory and Practice of Mechanical Design 821
Abstract 821
1 Introduction 821
2 Specific Requirements for Mechanical Design Course and Project Design 822
3 Intersection and Fusion of Theory and Practice 823
3.1 Design Example and Specific Machine 823
3.2 Specific Implementation Process of Combination 824
4 Problems and Solutions 825
4.1 Emergence of Problems 825
4.2 Solution Measures 826
5 Results 826
References 827
Simulation Analysis of Pipe Bending Under Multiple Conditions 828
Abstract 828
1 Introduction 828
2 Finite Element Model of Pipe Bending 830
3 Simulation of the Bending Process 832
4 Results and Discussion 835
References 838
Simulation Analysis of Sealing Performance of Double-Offset Butterfly Valve 840
Abstract 840
1 Introduction 840
2 Simulation Analysis of Axial Sealing Performance 842
3 Simulation Analysis of Lateral Sealing Performance 845
4 Conclusions 847
References 848
Motion Performance Analysis of the Sawyer Ankle Rehabilitation Robot 849
Abstract 849
1 Introduction 850
2 Methods Vectors 852
2.1 Ankle Structure 852
2.2 Kinematics Analysis of Rehabilitation Robot 853
2.3 Stability Analysis of Rehabilitation Robot 856
3 Conclusion 861
Acknowledgment 862
References 862
Automated Sustainable Low-Carbon Design of Offshore Platform for Product Life Cycle 864
Abstract 864
1 Introduction 864
2 Product Carbon Footprint Accounting Method Based on Life Cycle Assessment 867
3 Improvement of Low-Carbon Product Design Method Based on Graph Algorithm 868
3.1 The Shortest Path Problem in Graph Theory 868
3.2 Create a Carbon Footprint Digraph for Product Life Cycle 869
3.3 Selection of Graph Algorithms for Low-Carbon Product Design 870
3.4 Improvement of Product Low-Carbon Design Model Based on Graph Theory 871
4 Application 874
4.1 Product Life Cycle Low-Carbon Design Software 874
4.2 Case Study 876
5 Conclusion 878
References 879
Comfort of Minors’ Sitting Posture in Learning Based on Motion Capture 881
Abstract 881
1 Introduction 881
2 Review of Literature 882
3 Experiment Settings 883
3.1 Subjects 883
3.2 Neuron Motion Capture System 884
3.3 Tasks and Desk and Chair Setup in Sitting Posture 885
3.4 Testing Process 885
3.5 Data Analysis 886
4 Experiment Design and Analysis 886
4.1 Settings of Desk and Chair Parameters 886
4.2 Data Processing and Analysis 887
5 Discussion 891
6 Conclusions 891
References 892
Lightweight Design of Dump Truck Frame Based on Finite Element Method 894
Abstract 894
1 Introduction 894
2 Three-Dimensional Model Building of Vehicle Frame 895
3 Establishment of Finite Element Model of Dump Truck Frame 896
4 Working Condition Analysis of Dump Truck Frame 897
5 Alternative Lightweight Scheme of High Strength Steel for Car Frame 899
5.1 Equivalent Iteration of High Strength Steel 899
5.2 Analysis of Optimized Working Conditions 901
5.3 Frame Optimization Before and After Comparison 903
6 Conclusion 903
References 904
Topological Optimization of the Front Beam in Metal Extruders 905
Abstract 905
1 Introduction 905
2 General Requirements of the Front Beam Structure 906
3 Topological Optimization Model of the Front Beam 907
3.1 Load and Boundary Conditions 907
3.2 Optimization Objective and Constraints 908
3.3 Penalty Factor 908
4 Analysis of Topological Optimization Process of the Front Beam 909
4.1 Effects of Penalty Factors on Topology Optimization Results 909
4.2 Analysis of Volume Fraction 911
4.3 Optimized Topological Structure of the Front Beam 911
5 Structure Redesign of the Front Beam Based on Topology Optimization 913
6 Conclusions 914
References 914
Car Radiator Upper Beam Stamping Process Design and Numerical Simulation 915
Abstract 915
1 Introduction 915
2 Process Analyzing of Parts 916
3 Part Process Design 916
4 Parts Drawing Numerical Simulation 918
5 Analysis of Numerical Model Results 918
6 Conclusion 920
References 920
A Fast Tacho-Less Order Tracking Method for Gear Fault Diagnosis Under Large Rotational Speed Variation Conditions Based on Multi-stage Generalized Demodulation 921
Abstract 921
1 Introduction 921
2 Theoretical Basis of Generalized Demodulation [2] 923
3 Multi-stage Generalized Demodulation Based Tacho-Less Order Tracking 924
4 Simulation Verification 926
5 Experiment Verification 930
6 Conclusions 932
References 933
Gear Fault Diagnosis Under the Run-Up Condition Using Fractional Fourier Transform and Hilbert Transform 935
Abstract 935
1 Introduction 935
2 Theoretical Foundation 937
2.1 The Principles of Fractional Fourier Transform 937
2.2 Calculation of the Optimal FrFT Order and the Concentrated Point 939
2.3 The Performance Improvement by HT 942
3 Scheme of the Proposed Method 944
4 Numerical Simulation 946
4.1 Vibration Model of the Mear with a Local Fault During the Run-Up Process 946
4.2 Gear Meshing Content and Sidebands Extraction Using the Proposed Method 947
5 Experimental Verification 951
5.1 The Experimental Specification 951
5.2 Features Extraction by the Proposed Method 952
6 Conclusions 958
References 959
An Empirical Study of the Effect of the Completeness of Hands-on Training Design Projects on the Preservation of Tacit Knowledge 961
Abstract 961
1 Foreword 961
2 Research Design 962
2.1 Research Hypothesis 962
2.1.1 The Relationship Between the Completeness of the Subject and the Inheritance of Tacit Knowledge 962
2.1.2 Regulating Function of Training Intensity of Curriculum 963
2.2 Research Method and Research Methods 963
2.2.1 Theoretical Analysis 963
2.2.2 Survey and Data Collection of Design Practical Training Curriculum 964
2.2.3 Variable Measurement 964
3 Empirical Analysis 964
3.1 Variable Analysis 964
3.2 Reliability and Validity of Measurement Model 965
3.3 Empirical Conclusion Analysis 966
4 Research Conclusion 967
References 968
Research on Structural Size Optimization of 3-TPT Parallel Mechanism Based on Stiffness Characteristics 969
Abstract 969
1 Introduction 969
2 Kinematics Analysis of 3-TPT Parallel Mechanism 971
2.1 DOF of 2.1 3-TPT Parallel Mechanism 971
2.2 Inverse Solution of Parallel Mechanisms 972
3 Structure Size Optimization of 3-TPT Parallel Mechanism 974
3.1 Analysis of the Influence of Structure Size on the Stiffness of Parallel Mechanism 974
3.2 Establishment of Stiffness Optimization Model for Parallel Mechanism 979
3.3 Solution of Stiffness Optimization Model of 3-TPT Parallel Mechanism 981
4 Optimization Design Effectiveness Analysis 982
4.1 Evaluation of Stiffness Optimization Using Minimum Eigenvalue Method 983
4.2 Evaluation of Stiffness Optimization by Static Stiffness Property Method 984
5 Conclusions 985
Acknowledgment 986
References 986
Vibration Response Analysis of Gearbox Housing of High Speed Train Under Wheel and Rail Excitation 988
Abstract 988
1 Introduction 988
2 Rigid-Flexible Coupled Modeling of Vehicle Dynamics 989
2.1 Establishment of Vehicle Dynamics Model 989
2.2 Flexible Body Modeling in Vehicle Systems 989
3 Vibration Response Analysis of Gearbox Housing 990
3.1 Simulation Analysis of Linear Working Conditions 990
3.2 Analysis of Effective Value of Vibration Acceleration of Gearbox Housing 992
4 Conclusion 992
References 993
An Intelligent Fatigue Life Prediction Method for Aluminum Welded Joints Based on Fatigue Characteristics Domain 994
Abstract 994
1 Introduction 994
2 Methodology 996
3 Core Algorithm 997
3.1 Forward Greedy Attribute Reduction Algorithm 997
3.2 SVM Parameter Optimization Based on Particle Swarm Optimization 998
4 Simulation Experiment Results 999
4.1 Fatigue Decision System 999
4.2 Determine of Fatigue Characteristic Domain 999
4.3 SVM Model Prediction Results and Analysis 1000
5 Conclusion 1005
References 1006
Optimum Design of Radiation Well Horizontal Drilling Rig Based on TRIZ and Bionics 1007
Abstract 1007
1 Introduction 1007
2 Case-Based Reasoning 1008
3 Construction of Bionic Knowledge Base 1009
3.1 Structure Model of Bionic Knowledge Base 1009
3.2 Main Contents of Bionic Knowledge Base 1009
4 Biological Case Retrieval 1010
5 Similarity Judgment of Engineering Case and Biological Case 1011
6 Engineering Application 1013
7 Conclusions 1017
References 1017
Innovative Design of Reversing Device and Rod Loading Device of Horizontal Drilling Rig Based on TRIZ 1019
Abstract 1019
1 Introduction 1019
2 Functional Analysis 1021
3 Conflict Analysis 1023
4 Conclusions 1025
References 1026
AGV Trolley Tray Based on Honeycomb Paper-Based New Material 1027
Abstract 1027
1 Introduction 1027
2 Agv Trolley Structure 1028
3 Nomex Honeycomb Paper-Based Tray Structure Modeling 1029
3.1 Modeling Process 1029
3.2 Finite Element Simulation of NOMEX Honeycomb Paper-Based Tray Structure 1030
3.3 Mechanical Performance Analysis 1031
4 Conclusions 1033
The Study of Electric Field Distribution on Small Holes in Pulse Electrochemical Machining 1035
Abstract 1035
1 Introduction 1035
2 Experiment 1036
3 Experimental Equipment 1036
4 Results and Discussion 1037
5 Stability of the ECM Analysis 1041
6 Effect of Electrolyte Pressure on ECM Electric Field Analysis 1043
7 Conclusions 1045
Appendix 1046
References 1046
Reliability Optimization Design of New Automatic Tensioning Belt-Gear Transmission 1047
Abstract 1047
1 Introduction 1047
2 Transmission Principle and Large Pulley Force Balance Equation 1048
2.1 Transmission Principle 1048
2.2 Large Pulley Force Balance Equation 1049
3 Building a Mathematical Model 1049
3.1 Establishing the Objective Function 1049
3.2 Establish Constraints 1052
3.2.1 Pendulum Force Balance Constraint 1052
3.2.2 V Belt Drive Reliability Constraints 1053
3.2.3 Gear Transmission Contact Fatigue Strength Constraint 1054
3.2.4 Structural Parameter Constraint 1054
4 Simulation Analysis 1056
5 Conclusions 1059
References 1060
Design and Simulation Analyses of a Five-Wheeled Stair-Climbing Mechanism Based on TRIZ Theory 1061
Abstract 1061
1 Introduction 1061
2 Analyses Based on TRIZ Theory 1062
2.1 Basic Structure Design and System Completeness Analysis 1062
2.2 Functional Analysis and Working Principle 1063
2.3 Technical Contradictions 1064
2.4 Ideal Final Result Analysis 1065
3 Motion Simulation of the Five-Wheeled Stair-Climbing Mechanism 1066
4 Conclusions 1070
References 1070
Extensible Innovation Design of Globoidal Cam Deceleration Mechanism Based on Knowledge 1071
Abstract 1071
1 Introduction 1071
2 Extraction and Application of Product Knowledge 1072
3 Application of Extension Theory in Product Design 1073
3.1 Matter Element 1073
3.2 Establishment of Correlation Function 1074
3.3 Step Design of Extension Scheme 1075
4 Product Design Knowledge Solving Process 1076
5 Example Application 1077
6 Conclusion 1085
Acknowledgements 1085
References 1086
Tension Analysis of Small Motor Stator Winding Tensioning Process 1087
Abstract 1087
1 Introduction 1087
2 Theoretical Analysis of Tension Process Mechanics 1088
3 Simulation Analysis of Winding Tension Process 1090
3.1 Establish an Enameled Wire Simulation Model 1090
3.2 Comparison and Analysis of Simulation Results 1091
4 Experimental Verification of Tension 1096
5 Conclusion 1097
References 1097
Study on Contact Dynamics of Cylindrical Roller Feeding Mechanism 1099
Abstract 1099
1 Introduction 1099
2 Contact Dynamics Analysis of Feeding Mechanism 1100
2.1 Establishment of Dynamic Model of Electromagnetic Vibration Hopper 1100
2.2 Motion State Analysis of Cylindrical Rollers 1102
2.3 Force Analysis of Cylindrical Rollers with Different Diameters 1103
3 Dynamic Simulation of Feeding Mechanism 1104
3.1 Establishment of Simulation Model of Feeding Mechanism 1104
3.2 Simulation of Feeding Process of Cylindrical Rollers with Different Diameters 1105
4 Conclusions 1108
Trajectory Planning for Winding Process of Small-Sized Motor Stator Winding Robot 1110
Abstract 1110
1 Introduction 1110
2 End Winding Process Trajectory Planning 1111
2.1 Analysis of Winding Principle of Winding Process 1111
2.2 End Winding Model Establishment 1113
2.3 Winding Trajectory Equation Establishment 1115
3 Joint Space Trajectory Planning During Wire Feeding 1117
4 Simulation Analysis of Trajectory Planning of Winding Robot 1118
4.1 Simulation Analysis of End Winding Trajectory 1118
4.2 Simulation Analysis of Wire Feeding Trajectory 1120
5 Conclusions 1124
References 1125
Experimental Study of a Solid-Liquid Mixing and Conveying Pump with Variable Flow and Proportion 1126
Abstract 1126
1 Introduction 1126
2 Model Design 1128
2.1 Overall Design Concept 1128
2.2 Solid Conveying System 1129
2.3 Liquid Conveying System 1131
3 Mechanism and Hydraulic System 1132
3.1 Mechanical System Layout 1132
3.2 Hydraulic Circuit Setting 1133
4 Experimental Study 1134
4.1 Solid Conveying Experiment 1134
4.2 Liquid Transport Experiment 1136
4.3 Mixing Experiment 1138
5 Conclusions 1139
Acknowledgements 1139
References 1139
Effect of Pore Parameters on Lubrication Performance of Oil-Containing Cage 1141
Abstract 1141
1 Introduction 1141
2 Pore Parameters Identification of Oil-Containing Cage 1142
2.1 Three-Dimensional Reconstruction 1142
2.2 Pore Parameter Identification 1143
2.2.1 Image Segmentation Principle Based on Level Set Function 1144
2.2.2 Segmentation Result Analysis 1146
3 Direct Monitoring of Cage Lubrication Performance 1148
3.1 Experimental Platform 1148
3.2 The Test Principle of Cage Temperature 1149
3.3 Discussion and Analysis 1149
3.3.1 Temperature Monitoring of Bearing Outer Ring 1149
3.3.2 Bearing Cage Temperature 1151
4 Conclusions 1151
Defects Detection System for Fluorescent Coating of Metal Plate Based on Machine Vision 1153
Abstract 1153
1 Introduction 1153
2 On-Line Coating Quality Detection System for Metal Plate 1154
3 Key Technologies in the Quality Inspection of Fluorescent Coatings 1156
3.1 Image Preprocessing 1156
3.2 Color Spot Defect Detection Based on Chromaticity Analysis 1157
3.3 Uneven Printing Detection Based on Subpixel Extraction 1159
3.4 Pattern Defect Detection Based on Template Matching 1162
4 Results 1165
5 Conclusions 1166
References 1166
Author Index 1167