Self-Triggered Control指的什么意思
时间: 2024-05-31 14:14:11 浏览: 174
Self-Triggered Control是一种控制策略,它是基于事件触发的,而不是固定的时间间隔。在Self-Triggered Control中,控制器只会在特定的事件发生时才会执行控制操作,而不是像传统的周期性控制策略那样,每隔一定时间就执行一次控制操作。这种控制策略可以减少控制器的计算负担,提高控制系统的效率和稳定性,特别是在大规模和复杂的控制系统中。
相关问题
Dynamic event-triggered control for discrete Markov jump systems
Dynamic event-triggered control (DETC) is a control strategy that reduces the number of times control actions are executed by triggering them only when necessary. This approach can save computational resources and improve the efficiency of control systems. In the context of discrete Markov jump systems (DMJS), DETC has been shown to be effective in stabilizing the system and ensuring its performance.
DMJS are a class of systems that undergo discrete transitions between different operating modes, each characterized by a different set of dynamics. The transitions between modes are stochastic and determined by Markov processes. The goal of control in DMJS is to stabilize the system and ensure its performance despite the stochastic nature of the transitions.
DETC for DMJS involves triggering control actions based on the system's state and the occurrence of certain events. The events can be defined based on the system's behavior or performance specifications. When an event occurs, the control action is executed, and the system transitions to a new mode. The triggering of the control action is based on a dynamic threshold that takes into account the system's state and the event occurrence.
DETC has several advantages over traditional time-triggered control strategies in DMJS. It can reduce the number of control actions and improve the system's efficiency. It can also ensure the system's stability and performance in the presence of stochastic transitions. However, the design and implementation of DETC for DMJS can be challenging due to the complex nature of the system's dynamics and the stochastic transitions.
Overall, DETC is a promising control strategy for DMJS that can improve the efficiency and performance of control systems. Further research is needed to develop more effective and robust DETC algorithms for DMJS.
periodic event-triggered sliding mode control 主要说的什么
Periodic event-triggered sliding mode control(PE-TSMC)是一种控制方法,用于解决动态系统中的稳定性和跟踪性能问题。
首先,它强调了滑模控制(SMC)的应用。滑模控制是一种基于滑动面的控制方法,可以使系统在不确定性和外界干扰下保持稳定性和鲁棒性。滑模控制通过引入滑模面来抑制系统不确定性,将系统状态强制收敛到滑模面上。
其次,PE-TSMC 引入了事件触发的策略。传统的滑模控制方法通常按照固定的采样周期来进行控制,这可能导致无谓的计算和通信开销。而 PE-TSMC 通过根据系统状态的变化和误差的大小来触发事件,实现更智能和有效的控制。当系统状态变化超过一定阈值或误差超过一定范围时,控制器将被触发,此时才进行信号采样和计算,以减少计算开销和通信带宽。
最后,PE-TSMC 在动态系统的稳定性和跟踪性能方面具有优势。由于采样和计算变得更加智能和灵活,能够根据系统的实际需要来快速响应,PE-TSMC 可以提供更好的稳定性和更高的跟踪性能。同时,PE-TSMC 还能有效减少计算和通信开销,提高系统的实时性和资源利用率。因此,PE-TSMC 是一种重要的控制方法,适用于各种动态系统的控制问题。
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