The diverse locomotion modes and physiology of biological snakes make them supremely adapted for their environment. To model the noteworthy features of these snakes we have developed a snake-like robot that has no forward direction driving force. In order to enhance the ability of our robot to adapt to the environment, in this study we investigate the creeping locomotion of a snake-like robot on a slope. A computer simulator is presented for analysis of the creeping locomotion of the snake-like robot on a slope, and the environmentally-adaptable body shape for our robot is also derived through this simulator.

Abstract-Snakes perform many kinds of movement adapted to different environments. Utilizing the snake as a model, we have developed a two-dimensional snake-like robot that emulates a snakes' function. To make our robot move optimally while adapting to the slope of the environment, in this study we discuss the influence of the gradient of a slope on the creeping locomotion of the robot and derive optimal creeping locomotion curves that adapted to the given slopes.

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