Global practical tracking via disturbance rejection control for uncertain nonlinear systems with quantized input and output

Dear editor, With the rapid development of digital control systems and other fields,quantized control has attracted increasing at-tention[1].Although considerable research has been con-ducted on the analysis of quantized control systems,most of the theoretical results are based on a single quantizer.In real life,when the distance between devices and controllers is relatively remote,sensors and controllers are connected through the communication network to exchange informa-tion[2].Therefore,a single quantizer cannot meet the needs of remote control systems.It is necessary to quantify the in-put and output signals.