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methods used to control the system

A technology of control system and control unit, applied in the field of control system, can solve problems such as complicated and expensive, and achieve the effect of reducing switching time and simple control software

Active Publication Date: 2018-08-07
PHOENIX CONTACT GMBH & CO KG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] where the link between the master controller and the slave controller is established to achieve redundancy in the control plane, which in many cases is particularly cumbersome and expensive

Method used

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Examples

Experimental program
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Embodiment Construction

[0028] figure 1 A system according to the prior art is shown with two control units (SE1, SE2), wherein the first control unit (SE1) forms a master controller and the second control unit (SE2) forms a slave controller. Both control units (SE1, SE2) are connected to sensors (S) and actuators (A) via a ring communication network. Wherein the main controller generates the control data for the actuator (A) based on the information of the sensor (S). The master and slave controllers are monitored so that the slave takes over control of the system if the master fails (see figure 2 ).

[0029] According to the invention there are two equivalent control units ( SE1 ) and ( SE2 ), which need not be linked. At least one actuator (A) or a plurality of actuators (A) receives both control data from the first control unit (SE1) and control data from the second control unit (SE2). According to the invention, in the event of a failure of a control unit, system operability is achieved thr...

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Abstract

The invention relates to a method for controlling a system comprising at least two control units, namely a first control unit (SE1) and a second control unit (SE2), at least one actuator (A) and at least one sensor ( S). A control unit (SE1, SE2) generates control data for at least one actuator (A) from information from a sensor (S). According to the invention at least one actuator (A) receives the control data of the first control unit (SE1) and the control data of the second control unit (SE2), the actuator (A) being formed in such a way that the actuator itself decides to use the first The control data of the control unit are also control data of the second control unit for carrying out the actuating function of the actuator.

Description

technical field [0001] The invention relates to a method for controlling a system comprising at least two control units, namely a first control unit and a second control unit, at least one actuator and at least one sensor. The control unit generates control data for at least one actuator on the basis of information from at least one sensor. Background technique [0002] Redundancy is required in many systems that require high levels of operability and reliability, for example in automation systems for production processes (e.g. in the pharmaceutical industry, chemical industry, automotive industry or power generation industry) or in automated tunnel lighting systems implement automated processes. If a component of the automation process fails, a functionally identical, duplicate component can take over the failed function, thus ensuring the full functionality of the system. [0003] Such systems are generally constructed as follows (see figure 1 ): [0004] A redundant, ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05B19/042
CPCG05B19/0428G05B2219/24178G05B9/03G05B15/02
Inventor 沃尔那·波尔曼
Owner PHOENIX CONTACT GMBH & CO KG