NDLI: H∞ robust two-degree-of-freedom control for high rise elevator driven by permanent magnet linear synchronous motor

Content Provider	IEEE Xplore Digital Library
Author	Dongmei Yu Qing Hu Yan Wang Shijie Xu Hongbo Jiang
Copyright Year	2008
Description	Author affiliation: Shenyang Jinjiashun Property Manage. Co., Ltd., Shenyang (Shijie Xu) \|\| Shenyang Chengda Electr. Equip. Manuf. Co. Ltd., Shenyang (Yan Wang) \|\| Sch. of Electr. Eng., Shenyang Univ. of Technol., Shenyang (Dongmei Yu; Qing Hu) \|\| Shengyang Paraffin-Was Chem. Co. Ltd., Shenyang (Hongbo Jiang)
Abstract	The vertical motion control system and robust two-degree-of-freedom (2DOF) control for high rise/high speed elevators were discussed. The control aim is to realize robust tracking and re-leveling and let the system have good robustness for uncertainties under desirable control performances. A kind of robust 2DOF control method is proposed for elevators on the basis of vertical motion control. The proposed method can effectively reject the effect of parameter variation on system performances. And the good tracking, disturbance rejection, robustness and high precision re-leveling characteristics are achieved. Firstly, the speed controller design is converted into a standard $H_{infin}$ control problem. Secondly, with the help of linear matrix inequality (LMI) approach, an output feedback suboptimal $H_{infin}$ controller is obtained. Finally, an $H_{infin}$ optimal controller is designed by solving a convex optimization problem so as to guarantee system robustness. The simulation results show that the present method is effective.
Starting Page	1549
Ending Page	1552
File Size	397729
Page Count	4
File Format	PDF
ISBN	9781424438266
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-10-17
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	IEEE Consumer Electronics Society(CES)
Subject Keyword	Robust control Motion control Control systems Elevators Uncertainty Robustness Linear matrix inequalities Output feedback Linear feedback control systems Optimal control
Content Type	Text
Resource Type	Article

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