DEVELOPMENT OF STABILITY INDEX FOR TRACTORS AND ITS APPLICATION IN PROTECTIVE STRUCTURE DEPLOYMENT
INTRODUCTION
Safety Instrumentation and Devices
Purpose
Vehicle Dynamics and Stability
Definition of Moving Variablesof Tractor in Three Dimensions
Typical Instability of A Tractor
Definition of Stability Index
Static Stability Index
Dynamic Stability Index
Tractor Overturn and Stability Index with Time
Static Lateral Stability Index
Rotation of Tractor Around X Axis
Dynamic Lateral Stability Index
Static Longitudinal Stability Index
Rotation of Tractor Around Y Axis
Dynamic Longitudinal stability Index
Turning Stability Index
Steady-State Turning Stability Index
Dynamic Turning Stability Index
Combination of Static Stability Indexes
Combination of Stability Indexes
Combination of Dynamic Stability Indexes
Equipment and Test
Installation of MSTS
Measuring System of Tractor Stability
Ford 8N Radio-Controlled Tractor
Diagram of A Radio-Controlled Tractor
Diagram of Electrical System of Radio-Control Tractor
Mechanical Parts
Clutch and Brake
Ford 800 Steering Modification
Test Design
Lateral Stability Test
Ford 800 Ramp Tests
Longitudinal Stability Test
Turning Stability Test
Results and Discussion
Information Flowing and Synchronization
Lateral Stability Index
Lateral Stability Index and Tractor Position
Longitudinal Stability Index
Lateral Turning Stability Index
Lateral Turning Stability Test
Application of Stability Index in Protective Structure Deployment
Control Algorithm and Strategy
Diagram of Deployment Indicator Control
John Deere A Tractor Equipped with Radio Control System and Pop-up Flag
Installation of Pop-up Flag
Longitudinal Stability Index and Tractor Position
Conclusion
Conclusion (cont.)
Email: jhliu@lamar.colostate.edu
Home Page: http://lamar.colostate.edu/~jhliu
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