Interpolated Bumpless Transfer Control for Asynchronously Switched Linear Systems  

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作  者:Shengao Lu Tong Wu Lixian Zhang Jianan Yang Ye Liang 

机构地区:[1]the School of Astronautics,Harbin Institute of Technology,Harbin 150080,China [2]the Department of Electrical and Computer Engineering,National University of Singapore,Singapore 117583,Singapore [3]IEEE

出  处:《IEEE/CAA Journal of Automatica Sinica》2024年第7期1579-1590,共12页自动化学报(英文版)

基  金:partially supported by the National Natural Science Foundation of China (62225305,12072088);the Fundamental Research Funds for the Central Universities,China (HIT.BRET.2022004,HIT.OCEF.2022047,JCKY2022603C016);China Scholarship Council (202306120113)。

摘  要:This paper revisits the problem of bumpless transfer control(BTC) for discrete-time nondeterministic switched linear systems. The general case of asynchronous switching is considered for the first time in the field of BTC for switched systems. A new approach called interpolated bumpless transfer control(IBTC) is proposed, where the bumpless transfer controllers are formulated with the combination of the two adjacent modedependent controller gains, and are interpolated for finite steps once the switching is detected. In contrast with the existing approaches, IBTC does not necessarily run through the full interval of subsystems, as well as possesses the time-varying controller gains(with more flexibility and less conservatism) achieved from a control synthesis allowing for the stability and other performance of the whole switched system. Sufficient conditions ensuring stability and H_(∞) performance of the underlying system by IBTC are developed, and numerical examples verify the theoretical findings.

关 键 词:Asynchronous switching bumpless transfer H_∞control switched systems 

分 类 号:TP13[自动化与计算机技术—控制理论与控制工程]

 

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