CN105228300A - Universal method for realizing multi-control object synchronous control - Google Patents

Abstract

The present invention discloses a general method for realizing synchronous control of multiple control objects, wherein N controllers are set for a multi-control object system, and the method comprises the following steps: S1, wherein any controller sets the bus rate of the CAN bus, the priority of the synchronous data frame message and the message sending cycle according to the synchronous control accuracy requirement; S2, wherein the controller selected in S1 executes the control logic, sets the CAN synchronous control frame ID, loads the synchronous control data frame, and sends the synchronous control data frame to the remaining controllers that need to realize synchronous control within a preset time, wherein the synchronous control data frame includes the remaining controller address signal and the output terminal signal; S3, wherein each remaining controller receives the synchronous control data frame set by the controller in S2, and determines whether the controller executes synchronous control according to the address signal of any controller therein. The present invention can be used for other similar occasions requiring synchronous control functions, and is simple and universal, has good effects and strong versatility.

Description

A General Method for Realizing Synchronous Control of Multiple Control Objects

technical field

The invention relates to the technical field of synchronous control of controllers, in particular to a general method for realizing synchronous control of multiple control objects.

Background technique

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 models are common, it is quite difficult to realize the synchronous flashing of the above-mentioned vehicle lights.

Simultaneously the same problem also exists in the synchronous flashing system on the roof of a high-rise building.

Currently there is no general method to realize the synchronous work of multiple control objects.

Contents of the invention

Based on the technical problems existing in the background technology, the present invention proposes a general method for realizing synchronous control of multiple control objects.

The present invention proposes a general method for realizing synchronous control of multiple control objects. The method sets N controllers for the multi-control object system, N≥2, and the N controllers adopt CAN bus communication to implement synchronous control, including the following steps:

S1. Any one of the controllers 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;

The controller selected in S2 and S1 executes the control logic, sets the CAN synchronous control frame ID, loads the synchronous control data frame, and sends the synchronous control data frame to the remaining controllers that need to realize synchronous control within the preset time. The synchronous control data frame includes The remaining controller address signals and output signals;

S3, each of the remaining controllers receives the synchronous control data frame set by the controller in S2, and judges whether the controller performs synchronous control according to any controller address signal;

S4. The remaining controllers control the control objects according to the output port signals and their states in the synchronous control data frame loaded by the controllers in S2.

Preferably, the synchronous control data frame in S2 has a variable number of N-1 controllers and output ports.

Preferably, the remaining controllers in S3 are configured with synchronous control and conventional control, and the synchronous control is compatible with the conventional control. When any of the remaining controllers receives the synchronous control message and the conventional control message at the same time, the control port preferentially executes the synchronization control message.

Preferably, the multi-control object of the method is the synchronous flashing system of left and right turn signal lamps and double flashing signal lamps of the vehicle chassis.

Preferably, the multi-control object of the method is a synchronous flashing system on the top of a high-rise building.

A kind of general method that realizes synchronous control of multi-control object that the present invention proposes, because N controllers are set, and according to the requirement of synchronous control accuracy, the bus rate of CAN bus and the priority of synchronous data frame message are set for one of the controllers. level and message sending cycle; well realize the synchronous flashing control of the left and right turn signals and double flashing lights of the vehicle chassis, the synchronous flashing control of the top of high-rise buildings, and realize the synchronization of multiple control objects controlled by multiple controllers work, each controller does not require special design or parameter setting. The present invention can be used in other similar occasions requiring synchronous control functions, is simple and universal, has good effect and strong universality.

detailed description

The present invention will be further described below in conjunction with specific embodiments.

Embodiment one

A general method for realizing synchronous control of multiple control objects proposed by the present invention, the method sets N controllers for the multi-control object system, N≥2, and N controllers adopt CAN bus communication to implement synchronous control, the multi-control of the method The object is the synchronous flashing system of the left and right turn signal lamps and double flashing signal lamps of the vehicle chassis. Including the following steps:

S1. Any one of the controllers 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;

The controller selected in S2 and S1 executes the control logic, sets the CAN synchronous control frame ID, loads the synchronous control data frame, and sends the synchronous control data frame to the remaining controllers that need to realize synchronous control within the preset time. The synchronous control data frame includes The remaining controller address signals and output signals;

S3, each of the remaining controllers receives the synchronous control data frame set by the controller in S2, and judges whether the controller performs synchronous control according to any controller address signal;

S4. The remaining controllers control the control objects according to the output port signals and their states in the synchronous control data frame loaded by the controllers in S2.

Embodiment two

A general method for realizing synchronous control of multiple control objects proposed by the present invention, the method sets N controllers for the multi-control object system, N≥2, and N controllers adopt CAN bus communication to implement synchronous control, the multi-control of the method The object is a synchronized scintillation system on top of a high-rise building. Including the following steps:

S1. Any one of the controllers 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;

The controller selected in S2 and S1 executes the control logic, sets the CAN synchronous control frame ID, loads the synchronous control data frame, and sends the synchronous control data frame to the remaining controllers that need to realize synchronous control within the preset time. The synchronous control data frame includes The remaining controller address signals and output signals;

S3, each of the remaining controllers receives the synchronous control data frame set by the controller in S2, and judges whether the controller performs synchronous control according to any controller address signal;

S4. The remaining controllers control the control objects according to the output port signals and their states in the synchronous control data frame loaded by the controllers in S2.

In the first and second embodiments above, the synchronous control data frame in S2 has a variable number of N-1 controllers and the number of output ports; the remaining controllers in S3 are set with synchronous control and conventional control, and the synchronous control is compatible with conventional control , when any of the remaining controllers receives the synchronous control message and the regular control message at the same time, the control port preferentially executes the synchronous control message.

The above is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto, any person familiar with the technical field within the technical scope disclosed in the present invention, according to the technical solution of the present invention Any equivalent replacement or change of the inventive concepts thereof shall fall within the protection scope of the present invention.

Claims (5)

1. A general method for realizing synchronous control of multiple control objects is characterized in that the method is provided with N controllers for multiple control object systems, N≥2, and N controllers adopt CAN bus communication to implement synchronous control, including the following steps : S1. Any one of the controllers 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; The controller selected in S2 and S1 executes the control logic, sets the CAN synchronous control frame ID, loads the synchronous control data frame, and sends the synchronous control data frame to the remaining controllers that need to realize synchronous control within the preset time. The synchronous control data frame includes The remaining controller address signals and output signals; S3, each of the remaining controllers receives the synchronous control data frame set by the controller in S2, and judges whether the controller performs synchronous control according to any controller address signal; S4. The remaining controllers control the control objects according to the output port signals and their states in the synchronous control data frame loaded by the controllers in S2. 2. The general method for realizing synchronous control of multiple control objects according to claim 1, characterized in that, the synchronous control data frame in S2 has a variable number of N-1 controllers and the number of output ports. 3. the general method of realizing multi-control object synchronous control according to claim 1, is characterized in that, remaining controller is provided with synchronous control and normal control in S3, and synchronous control is compatible with conventional control, when each remaining any controller simultaneously When receiving a synchronous control message and a regular control message, the control port preferentially executes the synchronous control message. 4. according to the general method of claim 1 or 2 or 3 described realization multi-control object synchronous control, it is characterized in that, the multi-control object of this method is the synchronous flashing system of vehicle chassis left and right turn signal lamps and double flashing signal lamps. 5. The general method for realizing synchronous control of multiple control objects according to claim 1, 2 or 3, characterized in that, the multiple control objects of the method are synchronous flashing systems at the top of high-rise buildings.