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Mobile Robots in Rough Terrain

Description

This monograph discusses issues related to estimation, control, and motion planning for mobile robots operating in rough terrain, with particular attention to planetary exploration rovers. Rough terrain robotics is becoming increasingly important in space exploration, and industrial applications. However, most current motion planning and control algorithms are not well suited to rough terrain mobility, since they do not consider the physical characteristics of the rover and its environment. Specific addressed topics are: wheel terrain interaction modeling, including terrain parameter estimation and wheel terrain contact angle estimation; rough terrain motion planning; articulated suspension control; and traction control. Simulation and experimental results are presented that show that the desribed algorithms lead to improved mobility for robotic systems in rough terrain.

Keywords

rough terrain control mobile robot modeling terrain motion planning terrain physical parameters planetary exploration rovers rough terrain mobility deformable terrain force distribution equations contact angle estimation rigid terrain terrain traversability wheel sinkage articulated suspensions force analysis problem shear deformation modulus benign terrain motion planning algorithms suspension configuration terrain parameters robot mobility traction characteristics localization uncertainty wheel traveling rigid wheel terrain geometry

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