| 英文摘要 |
In order to solve the problem of fuzzy trajectory tracking in the traditional multi-mode motion reliability analysis method, a multi-mode motion reliability optimization analysis method for cross trajectory tracking is proposed. Firstly, the instantaneous reliability model of motion accuracy and the time-varying reliability model of motion accuracy are constructed, and the multi-mode kinematic analysis for cross trajectory tracking is realized. According to the reliability analysis model, the trajectory tracking motion mode is determined, and the risk assessment coefficient of motion is obtained by using the first-order reliability algorithm for different motion modes. The instantaneous motion and the reliability of time-varying motionare calculated respectively, and the comprehensive reliability analysis results of multi-mode motion are output. By setting up a comparative experiment, the reliability analysis results of multi-mode motion were obtained. The results show that the multi-mode motion reliability analysis method for cross trajectory tracking has higher reliability comprehensive calculation value, higher reliability analysis accuracy and higher reliability risk assessment accuracy. |
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