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Sufficient conditions for stability of linear time-delay systems with dependent delays 被引量:1

Sufficient conditions for stability of linear time-delay systems with dependent delays
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摘要 According to the delay property, linear time-delay (LTD) systems can be classified as LTD systems with depen- dent delays (LTD_DD) and LTD systems with independent delays (LTD_ID). This paper reveals that the stability condition for LTD_ID systems can be applied to LTD_DD systems, a sufficient stability condition for LTD_DD systems is derived from it, while only fewer of the LTD_DD systems can satisfy the stability condition due to the very strict limitation for the delays of the LTD_DD systems. To solve the problem, based on two-dimensional (2-D) hybrid polynomials, some sufficient conditions for stability of LTD_DD systems are pro- posed. Examples show that the proposed stability test algorithms are simple and valid. According to the delay property, linear time-delay (LTD) systems can be classified as LTD systems with depen- dent delays (LTD_DD) and LTD systems with independent delays (LTD_ID). This paper reveals that the stability condition for LTD_ID systems can be applied to LTD_DD systems, a sufficient stability condition for LTD_DD systems is derived from it, while only fewer of the LTD_DD systems can satisfy the stability condition due to the very strict limitation for the delays of the LTD_DD systems. To solve the problem, based on two-dimensional (2-D) hybrid polynomials, some sufficient conditions for stability of LTD_DD systems are pro- posed. Examples show that the proposed stability test algorithms are simple and valid.
出处 《Journal of Systems Engineering and Electronics》 SCIE EI CSCD 2013年第5期845-851,共7页 系统工程与电子技术(英文版)
基金 supported by the National Natural Science Foundation of China(60572093) the Natural Science Foundation of Beijing(4102050)
关键词 time-delay systems auasipolvnomials stabilitv test time-delay systems, auasipolvnomials, stabilitv test
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