共查询到18条相似文献,搜索用时 31 毫秒
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扩展时间事件图的能达性与能控序列 总被引:4,自引:0,他引:4
利用图论方法在双子结构中研究扩展时间事件图的某些问题,获得了能达性的一个充分必要条件和基于能达性的标准结构。在此基础上,把监控理论中的能控序列的分量分为本质不同的3类,进而得到能控序列的简化求解方法。 相似文献
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周期性系统的能控性理论 总被引:1,自引:0,他引:1
主要探讨周期性系统(包括连续和离散两种情形)的能控性问题,对文献中有关周期为To的连续周期性系统的能控性结论进行了完善,推导出系统能控等价于单周期(0,To)内能控的结论,并将这些结论直接推广到离散周期性系统;然后讨论了离散前后周期性系统能控性保持不变的可能性,证明在采用不等间距采样方式时,离散前后周期性系统的能控性保持不变。 相似文献
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This paper studies the construction of switching sequences for reachability realization of switched impulsive control systems. An approach is proposed to design switching sequences so that the reachable subspace of switched impulsive control systems is expressed in terms of the reachable state sets of the designed switching sequences. For a class of switched impulsive control systems, it is proved that a single switching sequence can be designed with its reachable state set coinciding with the reachable subspace. Periodic switching sequences are also constructed in this paper for the reachability realization problem. The results present a new way to exploit the switching mechanism to achieve the reachability and controllability of switched impulsive control systems. Copyright © 2007 John Wiley & Sons, Ltd. 相似文献
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When does the local controllability of the general model of 2-D linear systems imply its local reachability? 总被引:1,自引:0,他引:1
Tadeusz Kaczorek 《Systems & Control Letters》1994,23(6):445-452
A relationship between the local controllability of the general model of two-dimensional linear systems and its local reachability is considered. Sufficient conditions are established under which the local controllability of the general model implies its local reachability. 相似文献
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Several canonical forms are developed for linear, constant, single-input, single-output systems. These canonical forms correspond to the system properties of Controllability, Observability, Reachability, and Constructability and are applicable to the case of continuous systems in which time has been discretized and to the case of linear sequential machines. 相似文献
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BRIAN PORTER 《国际通用系统杂志》2013,42(1)
The concepts of reachability and controllability do not coincide but reflect a fundamental difference between the dynamical characteristics of different classes of multi-variable systems. This difference is discussed in relation to discrete-lime linear dynamical systems and is illustrated by a simple numerical example. 相似文献
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BRIAN PORTER 《国际通用系统杂志》2013,42(2)
The concepts of reachability and controllability do not coincide but reflect a fundamental difference between the dynamical characteristics of different classes of multi-variable systems. This difference is discussed in relation to discrete-time linear dynamical systems and is illustrated by a simple numerical example. 相似文献
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In this paper, several different concepts of controllability are investigated for a class of linear singular systems which system parameters are piecewise constant. Necessary and sufficient geometric criteria for C‐controllability and R‐controllability of such systems are established, respectively. These conditions can be easily transformed into algebraic form. By applying the principle of duality, C‐observability is discussed as well. Furthermore, the intrinsic relationship between these results and existing results are also discussed. Then, a novel necessary, and sufficient criterion for C‐controllability of linear time‐invariant singular systems is derived as a byproduct. 相似文献