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Distributed network data transmission driving control strategy

A technology of distributed network and data transmission, applied in the field of distributed network data transmission drive control strategy, can solve the problems that have not been mentioned, the status information is not observable, the scheme is difficult to design and optimize, etc., to maintain control performance, reduce Effect of communication load and reduction of calculation amount

Inactive Publication Date: 2019-11-15
WUXI ELECTRICAL & HIGHER VOCATIONAL SCHOOLS
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Problems solved by technology

On the other hand, the state-delay system is a widespread system, and it has been proposed to design a periodic state feedback controller and an output feedback controller for the same discrete system with a state-delay. However, for the event-driven control of the state-delay system However, it has not been mentioned that event-driven control of a time-delay system needs to consider both the current state and the time-delay state compared to a time-delay-free system
In addition, in most practical applications, the state information is often not observable or only partly observable, and it is necessary to design a controller based on output feedback. Compared with state-based event-driven control, the output-based scheme is more difficult to design and optimize.

Method used

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Embodiment Construction

[0025] Below in conjunction with accompanying drawing, technical scheme of the present invention is described in further detail:

[0026] The symbols in the present invention are explained as follows: R n is the n-dimensional Euclidean space on the real number field; trace(X) represents the trace of the matrix X; E(v) is the mathematical expectation of the random variable v; A>0 indicates that the matrix A is a symmetric positive definite matrix; the superscript "T" indicates the matrix The transpose of ; the symbol "*" indicates a symmetric block in the matrix; I indicates the identity matrix.

[0027] Consider the following discrete time-delay stochastic system:

[0028]

[0029] Among them, k is an integer, x(k+1)∈R n is the system state at time k+1, x(k)∈R n is the state of the system at time k, R n is the n-dimensional Euclidean space on the real number field; u(k)∈R m is the control input at time k, R m is the m-dimensional Euclidean space on the real number fie...

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Abstract

The invention discloses a distributed network data transmission driving control strategy; specific to a state time-lag random system, input control and event decision making are considered at the sametime on the basis of a mean square bounded theory; and a controller and an event driving control strategy based on state feedback and output feedback are designed respectively, and a trigger sensitivity adjusting parameter is provided, so that the communication load can be reduced by virtue of the proposed event driving strategy, and meanwhile, the control performance of the system is maintained.

Description

technical field [0001] The invention relates to a driving control strategy for distributed network data transmission. Background technique [0002] There have been many achievements in event-driven control systems at home and abroad. For continuous-time linear systems, balance between periodic control and event-driven control, design a periodic event-driven control strategy (PETC), and continuously monitor event-driven trigger conditions before Change to periodic monitoring. An event-based state feedback control method is also proposed, in which the control input signal simulates continuous feedback between two events. There is also a parameter-adjustable event-triggered mechanism designed for discrete linear systems disturbed by Gaussian noise, and the periodic control and event-driven control are compared in terms of transmission ratio and performance ratio. There are event-driven designs for stochastic systems, and event-driven strategies for uncertain systems. Some of ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B19/042
CPCG05B19/0423G05B2219/25257Y02P90/02
Inventor 朱雪芳
Owner WUXI ELECTRICAL & HIGHER VOCATIONAL SCHOOLS
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