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Adaptive Delta Modulation in Networked Controlled Systems With bounded Disturbances

机译:有界干扰的网络控制系统中的自适应增量调制

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This technical note investigates the closed-loop properties of the differential coding scheme known as Delta Modulation $(Delta-M)$ when used in feedback loops within the context of linear systems controlled through a communication network. We propose a new adaptive scheme with variable quantization step $Delta$, by defining an adaptation law exclusively in terms of information available at both the transmitter and receiver. With this approach, global asymptotic stability of the networked control system is achieved for a class of controllable (possibly unstable) linear plants. Moreover, thanks to the globally defined switching policy, this architecture enjoys a disturbance rejection property that allows the system to recover from any finite-time unbounded disturbance or communication loss.
机译:本技术说明研究了在通过通信网络控制的线性系统的上下文中,在反馈回路中使用时称为Delta调制$(Delta-M)$的差分编码方案的闭环特性。通过仅根据发射机和接收机处的可用信息来定义自适应定律,我们提出了一种具有可变量化步长$ Delta $的新自适应方案。通过这种方法,对于一类可控制的(可能是不稳定的)线性工厂,实现了网络控制系统的全局渐近稳定性。此外,由于全局定义的交换策略,该体系结构具有干扰抑制特性,使系统可以从任何有限时间的无限制干扰或通信损耗中恢复。

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