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Actuating mechanism control system and method

An actuator and executive control technology, applied in general control systems, control/regulation systems, program control, etc., can solve problems such as uncontrolled, fully open and fully closed equipment, and achieve the effect of avoiding fault expansion.

Inactive Publication Date: 2021-05-07
CHINA SHENHUA ENERGY CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the relatively complex structure of the actuator, faults such as breakdown and conduction of the solid state relay and bonding of the contacts of the contactor may occasionally occur. , out of control and other abnormal out-of-control phenomena, which may easily lead to safety accidents

Method used

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  • Actuating mechanism control system and method
  • Actuating mechanism control system and method
  • Actuating mechanism control system and method

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Embodiment Construction

[0030] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention. The drawing numbers in this application are only used to distinguish each step in the solution, and are not used to limit the execution order of each step. The specific execution order is subject to the description in the specification.

[0031] Actuating agencies are widely used in production systems. For example, they can be used in thermal automation systems of thermal power plants. For distributed control system (Distributed Control System, DCS) input...

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Abstract

The invention discloses an actuating mechanism control system and method which are used for reducing the negative influence of out-of-control of an actuating mechanism on connected equipment. The system includes: a power source; a power switch which is electrically connected with the power supply; an actuating mechanism which is electrically connected with the power switch and is used for controlling the switching position of the actuating mechanism according to the received control signal; and a processing module which is in communication connection with the execution mechanism and the power switch and is used for sending a control signal to the execution mechanism and controlling the power switch to be switched off when the switch position after the execution mechanism executes control according to the control signal is not matched with the control signal. According to the scheme, the processing module can control the power switch to be switched off when the control signal is not matched with the switch position after execution control, so that the execution mechanism is powered off after the execution mechanism is out of control, and fault expansion is avoided.

Description

technical field [0001] The invention relates to the field of automatic control, in particular to an actuator control system and method. Background technique [0002] Executing agencies are widely used in various automation systems and can realize relatively complex switching functions. The actuator can often control the position of the switch according to the received command, so as to realize the control of the switch degree. Due to the relatively complex structure of the actuator, faults such as breakdown and conduction of the solid state relay and bonding of the contacts of the contactor may occasionally occur. , out of control and other abnormal out-of-control phenomena can easily lead to safety accidents. [0003] How to reduce the negative impact of the actuator out of control on the connected equipment is the technical problem to be solved in this application. Contents of the invention [0004] The purpose of the embodiments of the present application is to provi...

Claims

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Application Information

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IPC IPC(8): G05B19/418
CPCG05B19/41865G05B2219/33273Y02P90/02
Inventor 杨震力
Owner CHINA SHENHUA ENERGY CO LTD
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