Design and Research of Decentralized Distributed Control System
For tens of thousands of controlled objects,the traditional distributed control system can not de-centralize the controller and server,resulting in low efficiency and high failure rate.In this paper,a decent-ralised distributed control system is designed.The controller,controlled objects,sensors,actuators,and serv-ers in the system communicate and transmit through the control network,and use the redundant backup mechanism to dynamically switch the controller,so as to realize the decentralization of the controller,and use the mapping table dynamic update mechanism to enable the server to perform data operations on the corresponding controlled objects,so as to realize the decentralization of the server.Using the toolbox Tru-etime2.0 and MATLAB/Simulink to build a decentralized distributed motor control system simulation plat-form,motor as the controlled object.the impact of redundant backup mechanism on the performance of de-centralized distributed control system and whether the mesh network architecture of decentralized distributed control system can support the normal operation of large-scale nodes are studied.The simulation results show that the redundant backup mechanism effectively improves the stability of system operation,the mesh architecture of the system is sufficient to support tens of thousands of electric motors operation.
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