水下航行器网络控制系统仿真

Networked Control System Simulation of Underwater Vehicle

摘要:

传统控制系统的设计方法中忽略了通信网络中的时延和数据包丢失等问题,仅通过传统方法设计的控制器来降低其对控制系统产生的不利影响,严重影响了系统的稳定性;对于水下航行器等对系统性能要求较高的水下控制平台,突破传统使其在网络环境下能够稳定运行显得尤为重要;在此背景下,提出了网络控制系统的设计方案,以水下航行器为控制平台,进行系统建模,设计反馈控制器,使用MATLAB仿真工具TrueTime,研究分析了网络体系结构下时延和丢包对传统控制系统动静态性能的影响;仿真结果表明该设计方法优化了系统性能,为系统在发生网络诱导时延和数据包丢失时能够稳定运行,提供了可靠的参考依据;该设计结果具有普适性,也可以用于导弹、坦克等航行器。

Abstract:

The problem of delay and packet loss in the communication network was neglected by the design method of the traditional control system. The traditional control method is adopted to reduce the adverse influence on the control system, which seriously affects the stability of the system. For underwater control systems, such as underwater vehicles, which require high system performance, it is very important to break through the tradition to make it run stably in the network environment. Under this background, the design of networked control system is proposed. Underwater vehicle is used as the control platform, the system is modeled and the feedback controller is designed. using TrueTime, the MATLAB simulation tool, we study and analyze the time delay and packet loss on the dynamic or static performance of the traditional control system under network architecture. The results of simulation show that the method can greatly optimize the performance of the system and provide a reliable reference for the system to run stably when the network induced delay and packet loss. The design results are universal, can also be used for missiles, tanks and other aircraft.