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Universal method for synchronously controlling multiple controlled objects

A technology of synchronous control and control method, applied in the field of control, to achieve the effect of strong versatility and good effect

Active Publication Date: 2014-12-17
BEIJING INST OF SPACE LAUNCH TECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There is currently no general method for synchronizing the work of multiple control objects

Method used

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  • Universal method for synchronously controlling multiple controlled objects
  • Universal method for synchronously controlling multiple controlled objects
  • Universal method for synchronously controlling multiple controlled objects

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Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0015] The general method for realizing synchronous control of multiple control objects provided by the present invention is to set a master controller and several slave controllers for a multi-control object system, and the master and slave controllers adopt CAN bus communication to implement synchronous control. The method includes the following steps:

[0016] Step 1, the main controller sets the bus rate of the CAN bus, the priority of the synchronization data frame message and the message sending cycle according to the synchronization control accuracy requirements;

[0017] Step 2, the master controller executes the control logic, sets the CAN synchronous control frame ID, loads the synchronous control data frame, and regularly sends the synchronous control data frame to each slave controller that needs to realize synchronous control, and the synchronous control data frame includes the address of the slave controller number and output port number;

[0018] Step 3, each sl...

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PUM

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Abstract

The invention provides a universal method for synchronously controlling multiple controlled objects. The universal method comprises the following steps of setting the bus rate of a CAN (controller area network) bus by using a master controller and synchronizing the priority of messages of data frames and messaging periods; setting CAN synchronous control frame ID (identification) by using the master controller, loading synchronous control data frames and transmitting the synchronous control frames from the controllers in a timing manner; receiving the synchronous control data frames from the controllers and judging whether synchronous control is carried out or not by using the controllers; and controlling the controlled objects from the controllers. The universal method for synchronously controlling the controlled objects has the advantages that owing to the master controller and a slave controller, the controlled objects controlled by the controllers work synchronously, and the controllers are not required to be designed specially or parameters are not required to be set specially. The universal method can be used for other similar objects which are required to be controlled synchronously; and moreover, the universal method is simple and universal and is high in effect and high in universality.

Description

technical field [0001] The invention relates to a control method, in particular to a general method for realizing synchronous control of multiple control objects. Background technique [0002] In the design of the electric CAN bus control system of the special vehicle chassis, when the driver sends a left (right) turn signal, the HMI is required to display the left (right) turn indicator light, the front left (right) turn light, and the middle left (right) turn signal. lights and the rear left (right) turn lights flash synchronously; when the driver sends out a double flash signal, the driver requires the HMI to display the left and right turn indicators, the front left and right turn lights, the middle left and right turn lights, and the rear The left and right turn lights flash synchronously. Since the electrical CAN bus control system of the special vehicle chassis requires that the software and hardware of all general controllers in the chassis control system of all mod...

Claims

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Application Information

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IPC IPC(8): G05B19/418
CPCY02P90/02
Inventor 曾祥斌王继月许进亮李志超
Owner BEIJING INST OF SPACE LAUNCH TECH