Research of Trajectory Tracking Algorithms for Industrial Robot

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Abstract:

the paper firstly designs dynamics model of a 6-DOF vertical multi-joint robot and simplifies it, aiming at the existing algorithms PID path tracking control, the paper put forward two new algorithms based on the analysis of the variable structure control: fast variable structure control algorithm and adaptive fuzzy variable structure control algorithm. The fast variable structure control algorithm can improve the control effect by optimizing the reaching movement. By introducing adaptive processing and fuzziness into reaching law of traditional variable structure control, the reaching motion is improved during sliding mode process. The results show that the two algorithms can not only improve response rate, but also ensure the accuracy of trajectory tracking, as well as the advantages of simple structure, high robustness and adaptability.

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922-926

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June 2014

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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[1] Wu Bo. Application of Neural Sliding Mode Control for trajectory tracking of Robot Manipulators[J]. Electric machines and control, (2009).

Google Scholar

[2] Li Qingling, Zhao Yongsheng. The six degree of freedom industrial robot dynamics analysis and simulation [J]. Journal of Shanghai Dian Ji University, 2008. 12.

Google Scholar

[3] Alvarez-Ramirez, et al.Semiglobal stability of saturated linear PID control for robot manipulators[J].Automatica,vol.39,2003:989-995.

DOI: 10.1016/s0005-1098(03)00035-9

Google Scholar

[4] C.Yang, et al.PD control with gravity compensation for hydraulic 6-DOF parallel manipulator[J].Mechanism and Machine Theory,vol.45,2010: 666-677.

DOI: 10.1016/j.mechmachtheory.2009.12.001

Google Scholar

[5] E.Jafarov,et al. A new variable structure PID-controller design for robot manipulators[J].IEEE Transactions on Control Systems Technology,vol.13,2005:122-130.

DOI: 10.1109/tcst.2004.838558

Google Scholar

[6] S. W. Wijesoma and R. J. Richards. Robust trajectory following of robots using computed torque structure with VSS [J]. International Journal of Control, vol. 52, 2010: 935 - 962.

DOI: 10.1080/00207179008953575

Google Scholar