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L2-L infinity filtering information processing method based on logarithmic quantization for network control system

A technology of network control system and information processing method, which is applied in the direction of digital technology network, impedance network, electrical components, etc., and can solve problems such as taking quantitative factors into account

Inactive Publication Date: 2012-08-29
TONGJI UNIV
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

Judging from the existing literature, in the design process of the existing filtering information processing methods, in order to simplify the calculation, no designer has taken quantization factors into consideration

Method used

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  • L2-L infinity filtering information processing method based on logarithmic quantization for network control system
  • L2-L infinity filtering information processing method based on logarithmic quantization for network control system
  • L2-L infinity filtering information processing method based on logarithmic quantization for network control system

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Embodiment

[0044] Such as figure 2 As shown, the networked control system L based on logarithmic quantization 2 -L ∞ A filter information processing method, comprising the following steps:

[0045] 1) The sending end of the network control system samples, quantizes and encodes the input signal and sends it to the receiving end;

[0046] 2) The receiving end decodes the received data, and transmits the decoded data to the filter;

[0047] 3) The filter performs filtering processing on the received data to restore the original system information.

[0048] The state equation after modeling of the networked control system in described step 1) is as follows:

[0049] x · ( t ) = A 1 x ...

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Abstract

The invention relates to an L2-L infinity filtering information processing method based on logarithmic quantization for a network control system. The method comprises the following steps: (1) the sending end of the network control system samples, quantifies and encodes an input signal and then sends the input signal to the receiving end; (2) the receiving end decodes the received data and transmits the decoded data to a filter; and (3) the filter filters the received data and restores the original system information. Compared with the prior art, robust L2-L infinity filter processing with performance parameter Gamma of the network control system under disturbing influence is realized, influence factors brought by sampling, quantifying and packet loss in practice are given into full consideration in the design of the filtering information processing method, so that the L2-L infinity filtering information processing method provided by the invention more conforms to the practical application.

Description

technical field [0001] The present invention relates to a network control system, in particular to a network control system L based on logarithmic quantization 2 -L ∞ Filter information processing method. Background technique [0002] The traditional control system adopts the point-to-point transmission mode, and the collected signal is transmitted from the sensor to the controller through some dedicated lines, and then the control signal is transmitted from the controller to the actuator to realize the control of the controlled object. With the rapid development of industry, it is required that the production equipment cannot be limited to a factory building or a small area. The traditional control system can no longer meet the needs of production. In this case, the network control system is gradually emerging. The network control system integrates multiple technologies such as control, communication, and network, and has the advantages of openness, interoperability, inte...

Claims

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Application Information

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IPC IPC(8): H03H17/02
Inventor 陈启军刘俊豪张皓刘涛
Owner TONGJI UNIV
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