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Gain Scheduling in a 6-Axis Articulated Robot Based on LabVIEW

LabVIEW 기반 6축 수직다관절 로봇의 게인스케쥴링 구현 연구

  • Kim, M.S. (School of Mechatronics, Changwon National University) ;
  • Chung, W.J. (School of Mechatronics, Changwon National University) ;
  • Kim, S.B. (School of Mechatronics, Changwon National University)
  • Received : 2014.01.06
  • Accepted : 2014.04.29
  • Published : 2014.06.15

Abstract

Recent years have witnessed a growing demand for a wide variety of high-performance industrial robots. In this paper, for accurate gain tuning of a 6-axis articulated industrial robot with reduced noise, a program routine for a dynamic signal analyzer (DSA) using the frequency response method will be programmed using $LabVIEW^{(R)}$. Then, robot transfer functions can be obtained experimentally using the frequency response method with the DSA program. Data from the robot transfer functions are transformed into Bode plots, based on which an optimal gain tuning will be executed. Gain tuning can enhance the response quality of the output signal for a given input signal during real-time control of the robot. The effectiveness of our proposed technique will be verified by implementation with a (lab-manufactured) 6-axis articulated industrial robot (hereinafter called "RS2") and comparison with the zero position gain tuning, as well as other positions.

Keywords

Acknowledgement

Supported by : 한국연구재단

References

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