High Speed Off-Road Vehicles
Autor Bruce Maclaurinen Limba Engleză Hardback – 24 sep 2018
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Specificații
ISBN-13: 9781119258780
ISBN-10: 1119258782
Pagini: 272
Dimensiuni: 175 x 250 x 19 mm
Greutate: 0.65 kg
Editura: Wiley
Locul publicării:Chichester, United Kingdom
ISBN-10: 1119258782
Pagini: 272
Dimensiuni: 175 x 250 x 19 mm
Greutate: 0.65 kg
Editura: Wiley
Locul publicării:Chichester, United Kingdom
Public țintă
Tier 3/ P&RPrimary: Engineers and designers in the off–road vehicle industry, and military (engineers and vehicles manufacturers).
Secondary: Graduate students in automotive and mechanical engineering.
Cuprins
Series Preface xiii
Acknowledgements xv
Introduction xvii
1 Tracked Vehicle Running Gear and Suspension Systems 1
1.1 General Arrangement 1
1.2 Transverse Torsion Bars 2
1.3 Coil Springs 6
1.4 Hydrogas Suspensions 8
1.5 Dampers 20
2 Vehicle Track Systems 23
2.1 Link Tracks 23
2.2 Flexible Tracks 48
3 Tracked Vehicle Suspension Performance: Modelling and Testing 59
3.1 Human Response to Whole-Body Vibration (WBV) and Shock 59
3.2 Terrain Profiles 64
4 Controllable Suspensions 89
4.1 Height and Attitude Control 89
4.2 Actively Controlled Damping (Semi-Active Suspensions) 91
4.3 Active Suspension Systems 91
4.4 DERA Active Suspension Test Vehicles 93
4.5 Conclusions 100
5 Wheeled Vehicle Drivelines and Suspensions 103
5.1 Unarmoured Vehicles 103
5.2 Armoured Vehicles 112
5.3 Interconnected Suspensions 116
6 Wheeled Vehicle Suspension Performance 123
6.1 Quarter-Car Model 123
6.2 Wheelbase Filter 126
6.3 DROPS Truck Ride Measurements 127
7 Steering Performance of Tracked and Wheeled Vehicles 133
7.1 Tracked Vehicles 133
7.2 Comparing Skid and Ackermann Steered Wheeled Vehicles 156
8 Soft-Soil Performance of Wheeled and Tracked Vehicles 177
8.1 Basic Requirements 177
8.2 Models for Soft Cohesive Soils 180
8.3 Models for Dry Frictional Soils 189
8.4 Space Efficiency of Running Gear Systems for Armoured Vehicles 194
8.5 Tractive Force-Slip Relationship for Tyres in Soft Cohesive Soils 197
9 Effect of Free, Locked and Limited-Slip Differentials on Traction and Steering Performance 203
9.1 Types of Lockable and Limited-Slip Differentials 203
9.2 Relationships for Frictional Limited-Slip Differentials 206
9.3 Traction Performance 209
'9.4 Steering Performance on a Road Surface 214
10 Articulated Vehicles 217
10.1 Articulated Tracked Vehicles 217
10.2 Articulated Wheeled Vehicles 222
11 Vehicle Rollover Behaviour 227
11.1 Basic Considerations 227
11.2 Methods to Reduce the Likelihood of Rollover 229
11.3 Truck Rollover: A Case Study 230
References 233
Notation 235
Abbreviations 243
Bibliography 245
Index 247
Acknowledgements xv
Introduction xvii
1 Tracked Vehicle Running Gear and Suspension Systems 1
1.1 General Arrangement 1
1.2 Transverse Torsion Bars 2
1.3 Coil Springs 6
1.4 Hydrogas Suspensions 8
1.5 Dampers 20
2 Vehicle Track Systems 23
2.1 Link Tracks 23
2.2 Flexible Tracks 48
3 Tracked Vehicle Suspension Performance: Modelling and Testing 59
3.1 Human Response to Whole-Body Vibration (WBV) and Shock 59
3.2 Terrain Profiles 64
4 Controllable Suspensions 89
4.1 Height and Attitude Control 89
4.2 Actively Controlled Damping (Semi-Active Suspensions) 91
4.3 Active Suspension Systems 91
4.4 DERA Active Suspension Test Vehicles 93
4.5 Conclusions 100
5 Wheeled Vehicle Drivelines and Suspensions 103
5.1 Unarmoured Vehicles 103
5.2 Armoured Vehicles 112
5.3 Interconnected Suspensions 116
6 Wheeled Vehicle Suspension Performance 123
6.1 Quarter-Car Model 123
6.2 Wheelbase Filter 126
6.3 DROPS Truck Ride Measurements 127
7 Steering Performance of Tracked and Wheeled Vehicles 133
7.1 Tracked Vehicles 133
7.2 Comparing Skid and Ackermann Steered Wheeled Vehicles 156
8 Soft-Soil Performance of Wheeled and Tracked Vehicles 177
8.1 Basic Requirements 177
8.2 Models for Soft Cohesive Soils 180
8.3 Models for Dry Frictional Soils 189
8.4 Space Efficiency of Running Gear Systems for Armoured Vehicles 194
8.5 Tractive Force-Slip Relationship for Tyres in Soft Cohesive Soils 197
9 Effect of Free, Locked and Limited-Slip Differentials on Traction and Steering Performance 203
9.1 Types of Lockable and Limited-Slip Differentials 203
9.2 Relationships for Frictional Limited-Slip Differentials 206
9.3 Traction Performance 209
'9.4 Steering Performance on a Road Surface 214
10 Articulated Vehicles 217
10.1 Articulated Tracked Vehicles 217
10.2 Articulated Wheeled Vehicles 222
11 Vehicle Rollover Behaviour 227
11.1 Basic Considerations 227
11.2 Methods to Reduce the Likelihood of Rollover 229
11.3 Truck Rollover: A Case Study 230
References 233
Notation 235
Abbreviations 243
Bibliography 245
Index 247