In this article, we investigate the stability analysis and controller synthesis problems for a class of stochastic networked control systems under aperiodic denial-of-service (DoS) jamming attacks. First, an observer is constructed to estimate the unmeasurable states, and then a new adaptive event-triggered mechanism on the basis of the observer is proposed to eliminate the adverse effects of DoS attacks and schedule the transmission instants so as to realize a reduction of transmission burden in the network. Under the proposed event-driven communication scheme, an observer-based controller is designed, and a new switched system with time-varying delays is introduced. Conditions for the underlying systems to be mean-square exponentially stable with a weighted $L_2$ -gain are established. Also, conditions to co-design the observer, the controller, and the event-triggered scheme are developed. A mass-spring-damper mechanical system is used to demonstrate the effectiveness and advantages of the new design techniques.

中文翻译：

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拒绝服务攻击下随机网络控制系统中基于观测器的事件触发方法

在本文中，我们研究一类非周期性拒绝服务（DoS）干扰攻击下的一类随机网络控制系统的稳定性分析和控制器综合问题。首先，构造一个观察者以估计不可测量的状态，然后基于观察者提出一种新的自适应事件触发机制，以消除DoS攻击的不利影响并安排传输时间，从而减少传输网络负担。在提出的事件驱动通信方案下，设计了一个基于观察者的控制器，并引入了一种具有时变时延的新型交换系统。基本系统具有加权均方指数稳定的条件$ L_2 $ -增益被建立。此外，还开发了共同设计观察者，控制器和事件触发方案的条件。质量弹簧阻尼器机械系统用于证明新设计技术的有效性和优势。