Note: Supplemental materials are not guaranteed with Rental or Used book purchases.
- ISBN: 9781439817278 | 1439817278
- Cover: Hardcover
- Copyright: 1/29/2010
Now that vehicles with four and more driving wheels are firmly ensconced in the consumer market, they must provide energy/fuel-saving benefits and improved operational quality including terrain mobility, traction and velocity properties, turnability, and stability of motion. A first-of-its-kind resource, Driveline Systems of Ground Vehicles: Theory and Design presents a comprehensive and analytical treatment of driveline research, design, and tests based on energy efficiency, vehicle dynamics, and operational properties requirements.
Series Preface | p. xiii |
Preface | p. xv |
Acknowledgments | p. xxi |
Authors | p. xxiii |
List of Symbols | p. xxv |
Driveline Systems and Vehicle Performance | p. 1 |
Brief Review of Driveline Systems History | p. 1 |
First Wheeled Carriages | p. 1 |
First Differential Transmissions | p. 4 |
First Hybrid Cars and All-Wheel Drive Vehicles | p. 7 |
Front-Wheel Drive Designs | p. 7 |
First Mechanical Four-Wheel Drives | p. 8 |
Invention of Pneumatic Tires and Design Measures for Improving the Poor-Terrain Mobility of Vehicles | p. 9 |
Constant-Velocity Joints | p. 12 |
All-Wheel and Multiwheel Drive Trucks and Passenger Cars | p. 14 |
Power Dividing Units | p. 28 |
Classification of Driveline Systems and Power Dividing Units | p. 33 |
Wheel Dynamics and Energy Efficiency | p. 56 |
Five Power-Loading Modes | p. 56 |
Kinematic and Force Factors | p. 61 |
Effective Rolling Radius and Slip Ratio | p. 61 |
Wheel Force and Torque Factors | p. 66 |
Wheel Power and Force Balance | p. 70 |
Motion with a Slip Angle | p. 75 |
Interaction between Longitudinal and Lateral Forces | p. 75 |
Wheel Kinematic and Force Factors under Sideslip | p. 77 |
Vehicle Energy/Fuel Efficiency and Driveline Systems Design | p. 80 |
Mechanical Power Losses in Driveline Systems | p. 82 |
Mechanical Power Losses in Wheel Systems | p. 86 |
Tractive Operating Mode | p. 86 |
Transportation Operating Mode | p. 90 |
Combined Operating Mode | p. 94 |
Fuel Efficiency of Multiwheel Drive Vehicles | p. 96 |
Vehicle Performance and Driveline Systems Design | p. 101 |
Traction and Velocity Properties of Vehicles | p. 103 |
Mobility of Vehicles | p. 106 |
Turnability | p. 107 |
Stability of Motion | p. 110 |
Handling of the Vehicle | p. 112 |
Principles of Driveline System Design | p. 114 |
Interwheel and Interaxle Open and Lockable Differentials | p. 119 |
Kinematics and Dynamics of Differentials: The Gear-Ratio Concept | p. 119 |
Kinematics of a Vehicle with an Interaxle Differential | p. 132 |
Vehicle with Front-Steered Wheels | p. 132 |
Vehicle with Front- and Rear-Steered Wheels | p. 137 |
Tooth Forces in Bevel-Gear Differentials | p. 139 |
Axial Forces in a Pinion-Side Gear Mesh | p. 139 |
Total Axial Forces in Bevel Differentials | p. 146 |
Force Evaluation: A Method for Practical Use | p. 153 |
Experimental Results | p. 157 |
Conclusion | p. 159 |
Robustness of Differentials | p. 161 |
Design of Axle/Interwheel Differentials | p. 168 |
General Engineering Issues and Solutions | p. 168 |
Design of Differential Geometry | p. 185 |
Highway Heavy-Duty Trucks | p. 189 |
Articulated Timber Carriers | p. 191 |
Farm Tractors | p. 195 |
Oil Lubrication Systems | p. 202 |
Design of Interaxle Differentials and Transfer Cases | p. 209 |
General Engineering Issues and Solutions | p. 209 |
Design of Differential Geometry | p. 219 |
Oil Lubrication Systems | p. 227 |
Lubrication Systems for Interaxle Differentials of Driving Tandems | p. 227 |
Lubrication Systems for Transfer Cases | p. 233 |
Designing Locking Devices | p. 238 |
Wheel Power Distribution and Vehicle Performance | p. 249 |
Generalized Vehicle Parameters and Energy/Fuel Efficiency | p. 249 |
Vehicle Tractive and Velocity Properties | p. 264 |
Vehicle Turnability and Stability of Motion | p. 268 |
Optimal and Reasonable Differential Gear Ratios: Control Principles | p. 274 |
Automatic and Manual Positively Engaged Power-Dividing Units | p. 289 |
Designs of Power-Dividing Units | p. 289 |
Kinematic Discrepancy and Generalized Vehicle Parameters | p. 301 |
Vehicles with 4 × 4 Wheel Formula | p. 301 |
Vehicles with 2m × 2n Wheel Formula | p. 305 |
Vehicles with 2m × 2n Wheel Formula in Rectilinear Motion | p. 306 |
Vehicles with 2m × 2n Wheel Formula with Steered Wheels in Curvilinear Motion | p. 309 |
Articulated 2m × 2n Vehicles with Steered Wheels | p. 312 |
The Interwheel Positive Engagement | p. 317 |
Wheel Slips and Circumferential Wheel Forces | p. 318 |
4 × 4 Vehicles | p. 319 |
2m × 2n Vehicles | p. 326 |
Wheel Power Distributions and Vehicle Energy/Fuel Efficiency | p. 330 |
Mechanical Power Losses in Wheel Systems | p. 330 |
Mechanical Power Losses in Driveline Systems | p. 338 |
Combined Power Losses in Driveline and Wheel Systems-Fuel Consumption | p. 343 |
Wheel Power Distribution and Vehicle Performance | p. 355 |
Vehicle Tractive and Velocity Operational Properties | p. 355 |
Vehicle Turnability and Stability of Motion | p. 358 |
Optimal and Reasonable Kinematic Discrepancy: Control Principles | p. 368 |
Limited Slip Differentials | p. 379 |
Torque Biasing and Locking Performance | p. 379 |
Disk Differentials without Additional Lockers | p. 385 |
Disk Differentials with Cam Lockers | p. 391 |
Disk Differentials with V-Lockers | p. 399 |
Worm-Gear Differentials | p. 405 |
Cam-Plunger Differentials | p. 413 |
Torque Sensitive Differentials | p. 418 |
Speed Sensitive Differentials | p. 432 |
Force Fluctuations in Disk Differentials | p. 435 |
Tractive Performance and Yaw Moment of a Drive Axle | p. 443 |
Asymmetrical Interaxle Differentials | p. 448 |
Free-Rurming Differentials and Viscous Clutches | p. 453 |
Design and Operating Principles of Free-Running Differentials | p. 453 |
Applications of Free-Running Differentials | p. 463 |
Viscous Clutches: Operation and Design Aspects | p. 466 |
Combined Automated Mechanical Driveline Systems | p. 475 |
Vehicle Operational Properties | p. 475 |
Vehicles with Steered Wheels | p. 475 |
Articulated Vehicles with Steered Wheels | p. 486 |
A Method of Synthesizing Driveline Systems with Optimal Properties | p. 492 |
Objective Function Analysis | p. 496 |
Synthesis of the Properties of Interwheel Power-Dividing Units | p. 510 |
Synthesis of Properties of Interaxle Power-Dividing Units | p. 519 |
Synthesis of Properties of Interwheel and Interaxle Power-Dividing Units | p. 531 |
The Mathematical Model of a Vehicle | p. 531 |
Optimal Properties | p. 539 |
Mechatronic Driveline Systems | p. 555 |
Simple, Combined, and Integrated Driveline Systems-A Brief Overview | p. 555 |
Inverse Wheel Dynamics and Control | p. 560 |
Proactive Assessment of Terrain Conditions | p. 568 |
Kinematics and Dynamics of Mechanical Subsystems | p. 574 |
The Open Differential | p. 577 |
Double Differentials | p. 580 |
The Open Differential with Three-Link Planetary Rows | p. 587 |
Single-Row Planetary Mechanism with Mating Pinions | p. 591 |
Design of Simple and Combined Driveline Systems | p. 596 |
Design of Integrated Driveline Systems | p. 605 |
Optimal Power Distribution and Features of the System | p. 606 |
Synthesis and Implementation of a Parallel Control Algorithm | p. 620 |
Logical Control Languages | p. 620 |
The Logical Control Algorithm | p. 621 |
Hybrid Driveline Systems | p. 626 |
Advanced Hybrid-Hydraulic Driveline Systems | p. 626 |
Design Selection of the Kind and Standard Dimension of Hydraulic Units | p. 639 |
Testing of Driveline Systems and Multiwheel Drive Vehicles | p. 649 |
Laboratory Studies of the Locking Performance of Differentials | p. 649 |
Laboratory Testing of Friction Clutches of Differentials | p. 662 |
Laboratory Tests of Differential Lubrication Systems | p. 667 |
4 × 4 Vehicle Chassis Dynamometer with Individual Roll Control | p. 679 |
Field and Road Tests of Wheeled Vehicles | p. 690 |
Problems and Questions | p. 711 |
Bibliography | p. 729 |
Index | p. 743 |
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