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논문 기본 정보

자료유형
학술저널
저자정보
저널정보
한국자동차공학회 International journal of automotive technology International journal of automotive technology Vol.6 No.5
발행연도
2005.10
수록면
545 - 554 (10page)

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Passive velocity field control (PVFC) was previously developed for fully mechanical systems, in which the motion task was specified by behaviors in terms of a velocity field and the closed-loop was passive with respect to the supply rate given by the environment input. However, the PVFC was only applied to a single manipulator. The proposed control law was derived geometrically and the geometric and robustness properties of the closed-loop system were also analyzed. In this paper, we propose a virtual passivity-based algorithm to apply decentralized control to multiple 3-wheeled mobile robotic systems whose subsystems are under nonholonomic constraints and convey a common rigid object in a horizontal plain. Moreover, it is shown that multiple robot systems ensure stability and the velocities of augmented systems converge to a scaled multiple of each desired velocity field for cooperative mobile robot systems. Finally, the application of proposed virtual passivity-based decentralized algorithm via system augmentation is applied to trace a circle and the simulation results is presented in order to show effectiveness for the decentralized control algorithm proposed in this research.

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ABSTRACT

1. INTRODUCTION

2. REVIEW OF PASSIVE VELOCITY FIELD CONTROL (PVFC)

3. MULTIPLE 3-WHEELED MOBILE ROBOTS

4. VIRTUAL PASSIVITY-BASED DECENTALIZED CONTROL ALGORITHM

5. SIMULATION RESULTS

6. CONCLUSIONS

ACKNOWLEDGEMENT

REFERENCES

APPENDIX

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