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Volume 38 (2007)
- Issue 6 Pages 77-
- Issue 5 Pages 65-
- Issue 4 Pages 49-
- Issue 3 Pages 35-
- Issue 2 Pages 13-
- Issue 1 Pages 1-
Volume 38, Issue 3
Displaying 1-2 of 2 articles from this issue
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Paper
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(3rd report : Adaptive Control Design Approach and Summarize Results)Kazuhisa ITO, Hidekazu TAKAHASHI, Shigeru IKEO2007 Volume 38 Issue 3 Pages 35-40
Published: 2007
Released on J-STAGE: December 03, 2008
JOURNAL FREE ACCESSIn previous two reports, the H∞ controller, the disturbance-observer-type controller and the sliding mode controller for rotational angle and velocity control were examined. In this paper as the final report, a model reference adaptive control (MRAC) was applied to a water hydraulic servo motor system. The MRAC system can admit parameter uncertainties by tuning the controller parameters depending on the error between a plant output and the reference signal given by the designer. Moreover in this paper, all control results were compared on the steady state error, the percent overshoot and the settling time as performance indices.View full abstractDownload PDF (441K) -
Jinwoo JUN, Katsuya KANAOKA, Sadao KAWAMURA2007 Volume 38 Issue 3 Pages 41-47
Published: 2007
Released on J-STAGE: December 03, 2008
JOURNAL FREE ACCESSGenerally speaking, pneumatic systems have the merit of high power-to-mass ratio. However, the entire system becomes high-order and non-linear due to the compressibility of air and valve dynamics. In this paper, we propose a cascaded feedback control scheme for trajectory tracking of pneumatic drive systems. We mathematically prove that the proposed scheme can effectively reduce trajectory tracking error even though nonlinear dynamics of air compressibility is considered. Through some simulation and experimental results, the trajectory tracking performance is demonstrated.View full abstractDownload PDF (613K)
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