A Class of Quasi-Natural Potentials and Hyper-Stable PID Servo-Loops for Nonlinear Robotic Systems
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- ARIMOTO Suguru
- Faculty of Engineering, The University of Tokyo
書誌事項
- タイトル別名
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- Class of Quasi Natural Potentials and H
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This paper introduces a quasi-natural potential in robot dynamics, which induces a type of sinusoidal position (joint-angle) feedback with saturation in servo-loops. By means of SP-D (Saturated Proportional and Differential) feedback, not only the robot dynamics incorporated with these servo-loops but also the residual error dynamics between the desired and actual joint trajectories satisfy the passivity with respect to the residual input torque and a linear sum of residual velocity and saturated residual position outputs. It is shown by taking advantage of the hyper-stability theory that in the case of set-point control an independent “hyper-stable servo-loop” constructed from a PI feedback of such a linear sum in addition to the SP-D feedback gives rise to the globally asymptotic stability. It is further shown that in the case of trajectory tracking the passivity of residual robot dynamics with SP-D feedback loops plays a vital role and eventually leads to the adaptability in model-based adaptive control and the learnability in iterative learning.
収録刊行物
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- 計測自動制御学会論文集
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計測自動制御学会論文集 30 (9), 1005-1012, 1994
公益社団法人 計測自動制御学会
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詳細情報 詳細情報について
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- CRID
- 1390282679478637952
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- NII論文ID
- 130003791002
- 10006648714
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- NII書誌ID
- AN00072392
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- ISSN
- 18838189
- 04534654
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- NDL書誌ID
- 3886562
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
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