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Control system

A control system and control command technology, applied in the direction of transmission system, digital transmission system, electrical program control, etc., can solve the problems of uncontrolled devices, increased communication distance, increased command loss or error, etc., to solve communication abnormalities , shorten the communication distance, improve the effect of transmission rate

Active Publication Date: 2020-01-10
GOERTEK INC
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  • Application Information

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Problems solved by technology

[0003] As the length of the control line increases, the communication distance increases, which reduces the stability of the bus communication; the communication data is queued on the bus, and the increase in the transmission of the controlled device leads to an increase in the amount of data in the bus communication, resulting in the response of the controlled device. Delay
In addition, the increase in the amount of communication data will also increase the probability of command loss or error
[0004] In the actual field application, for the case of 40 controlled devices loaded on a 40m control line, the start-up delay of the controlled devices is more than 1S, and the phenomenon of missing commands and uncontrolled devices frequently occurs

Method used

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Embodiment Construction

[0022] Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that the relative arrangements of components and steps, numerical expressions and numerical values ​​set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise.

[0023] The following description of at least one exemplary embodiment is merely illustrative in nature and in no way taken as limiting the invention, its application or uses.

[0024] Techniques, methods and devices known to those of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, such techniques, methods and devices should be considered part of the description.

[0025] In all examples shown and discussed herein, any specific values ​​should be construed as exemplary only, and not as limitations. Therefore, other instances of the exemplary embodiment may have dif...

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Abstract

The invention discloses a control system. The control system comprises a master controller, a plurality of CAN buses, Ethernet-to-CAN modules correspondingly connected with each CAN bus, and a controlled device; each Ethernet-to-CAN module is connected with the master controller through the Ethernet; through arrangement positions of the multiple CAN buses, the CAN buses connected with the controlled device in the moving process are switched; and the master controller is arranged to control the controlled device through the corresponding Ethernet-to-CAN modules and CAN buses.

Description

technical field [0001] The present invention relates to the technical field of control design, and more specifically, to a control system. Background technique [0002] In the control system of traditional assembly line, such as figure 1 As shown, it includes a master controller and multiple controlled devices. The master controller is provided with a CAN port, and the master controller controls all the controlled devices in the control system through the CAN bus connected to the CAN port. [0003] As the length of the control line increases, the communication distance increases, which reduces the stability of the bus communication; the communication data is queued on the bus, and the increase in the transmission of the controlled device leads to an increase in the amount of data in the bus communication, resulting in the response of the controlled device. Delay. In addition, the increase in the amount of communication data will also increase the probability of command los...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B19/04
CPCG05B19/04H04L12/40006H04L43/10H04L2012/40215
Inventor 吕建涛张丽伟
Owner GOERTEK INC