Abstract
Based on nonlinear trajectory generation (NTG) software package, a general approach (i.e. numerical solution) to trajectory planning for yoyo motion is presented. For the real-time control of such periodical dynamic system, a critical problem is how to implement fast solving the optimal trajectory, so as to meet the real-time demand. However, traditional numerical solution methods are very time-consuming. In this paper, the optimization problem is solved by mapping the problem to a lower-dimension space. And combined with multithread programming technology, the computation time for solving the optimal trajectory is greatly reduced. Simulation results show that the numerical solution is identical to the analytic one, which demonstrates the correctness of the proposed method. The computation time of one cycle of yoyo simulation is about 10 ms, which shows that the proposed numerical method can be applied to the real-time control of yoyo playing.
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Foundation item: the National Natural Science Foundation of China (No. 50475025); the Scientific Research Foundation for the Returned Overseas Chinese Scholars, State Education Ministry
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Yuan, Dh., Jin, Hl., Meng, Gx. et al. A numerical approach to trajectory planning for yoyo movement. J. Shanghai Jiaotong Univ. (Sci.) 15, 604–609 (2010). https://doi.org/10.1007/s12204-010-1055-6
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DOI: https://doi.org/10.1007/s12204-010-1055-6