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Distributed bus electric control system

A distributed control, electrical system technology, applied in electrical program control, general control system, control/regulation system, etc., can solve the problems of scattered control points, unstable communication signal transmission using connectors, etc., to achieve a high degree of centralized control, The effect of fast communication response time and convenient ergonomics

Inactive Publication Date: 2015-05-06
SICHUAN AVIATION IND CHUANXI MACHINE
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

To solve the problem of scattered control points of the system and the use of too many connectors on the communication line, which leads to unstable communication signal transmission and other problems

Method used

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  • Distributed bus electric control system

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Embodiment Construction

[0017] refer to figure 1 . In the embodiments described below, the CAN bus distributes the control electrical system, including: a main control unit electrically connected to the display unit through the CAN bus, a CAN transponder connected in series with the main control unit, and an execution sub-control unit electrically connected to the CAN transponder, and To form a decentralized control system, since all parts of the system are mature shelf products, it can be realized only by combining each product. The CAN transponder includes CAN transponder 1, CAN transponder 2, CAN transponder 1 is electrically connected to the execution sub-control unit 1 and the execution sub-control unit 2 through the CAN bus, and the CAN transponder 2 is electrically connected to the execution sub-control unit 3 through the CAN bus , Execute the sub-control unit 4 . The display is the human-machine interface, the CAN transponder is the data transfer station, and the execution sub-control unit ...

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Abstract

The invention discloses a distributed CAN (controller area network) bus electric control system comprising a main control unit, CAN transponders and executing sub-control units which form a distributed control system, wherein the main control unit is electrically connected with a display unit, the CAN transponders are serially connected with the main control unit, and the executing sub-control units are electrically connected with the CAN transponders. The main control unit transmits a control instruction through display CAN bus communication and takes a main control panel as a control hinge, the control instruction is analyzed and then transmitted, the distributed and serial connected CAN transponders serve as data transfer stations, signals are reinforced and transmitted to the distributed and control executing sub-control units by the CAN transponders, and the executing sub-control units control executing mechanisms to finish final actions. The communication distance is short, and the control system solves the problem that communication signals are divided into multiple sections.

Description

technical field [0001] The invention relates to a serial communication network that effectively supports distributed control or real-time control, in particular to a distributed electrical control system of the CAN bus of the electrical system of an unmanned aerial vehicle launch vehicle. Background technique [0002] Fieldbus is one of the hotspots in the development of technology in the field of automation today, and is known as the computer local area network in the field of automation. Its appearance provides strong technical support for the distributed control system to realize real-time and reliable data communication between nodes. CAN has a wide range of applications, and CAN can be used from high-speed networks to low-cost multi-channel boundaries. In applications such as automotive engine control components, sensors, and anti-skid systems in the field of automation electronics, the bit rate of CAN can be as high as 1Mbps. The difference from the traditional c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B19/418
CPCY02P90/02G05B19/042G05B2219/25032
Inventor 程镭梁文涛李铭森
Owner SICHUAN AVIATION IND CHUANXI MACHINE
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