A Terrain Sensing Method
A terrain perception and terrain technology, applied in the field of robotics, can solve the problems of occupying computing resources, reducing real-time performance, and reducing classification accuracy, so as to reduce the consumption of computing resources and electricity, solve the problem of reducing accuracy and improve generalization performance Effect
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[0039] In order to make the object, technical solution and advantages of the present invention more clear, the present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0040] The offline training part is as follows:
[0041] The first step is to control the robot to move at a constant speed on different terrains. During the period, the accelerometer installed on the robot is used to detect the vibration signal perpendicular to the ground direction, and the time series of the vibration signal is obtained, referred to as the vibration sequence;
[0042] In the second step, data segmentation is performed on the vibration sequence obtained in the first step in units of seconds to obtain a set of vibration frames;
[0043] The third step is to perform feature extraction and normalization on the vibration frame set obtained in the second step, and obtain a sample set Σ with μ samples, and each sample S in the sampl...
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