Random switching system H8 filtering information processing method based on resident probabilistic information method

Abstract

The invention discloses a random switching system H8 filtering information processing method based on a resident probabilistic information method. The random switching system H8 filtering information processing method comprises the following steps that (1), input signals are sampled, quantized and coded first and sent to a receiving end, and a networked switching system with time-variant delays and external interference is analyzed; (2), data received by the receiving end are decoded and transmitted to a filter, and the issue about design of the H8 filter of the switching system is discussed based on the resident probabilistic information method; (3), a novel switching system and a novel filter model are established based on resident probabilistic information in each subsystem of the switching system, and switching system information is restored according to the newly-established filter model. According to the random switching system H8 filtering information processing method, the issues about design of the H8 filter of the disperse switching system with the time-variant delays are studied, the information processing method based on the filter is provided, and the stability of the whole system is guaranteed.

Description

technical field [0001] The present invention relates to a network control system, in particular to a random handover system H based on the resident probability information method ∞ The information processing method of the filter. Background technique [0002] With the increasing complexity of the control object, the distribution of the control object gradually increases, and many shortcomings presented by the traditional point-to-point control cannot meet the performance requirements of the control system. In this case, the networked control system has gradually become a hot spot in the industry. . [0003] The networked control system is different from the traditional point-to-point control system, and its characteristic is that each node must obtain network resources through competition. The control mode of the computer control system has experienced direct digital control (DDC), distributed control (DCS) and networked control (NCS). With the development of computer tec...

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Problems solved by technology

[0004] At present, due to the limitations of the communication network, the surrounding environment and the system itself, network control often has problems such as time delay, packet loss, and wrong sequence, which lead to system instability.

Commonly used filters are Kalman filter, robust H ∞ filter and the robust H 2 filters, etc., but these research results are limited in scope due to their conservatism

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