Multi-controller system and encoding method thereof
A multi-controller and coding method technology, which is applied in the general control system, control/regulation system, test/monitoring control system, etc., can solve the difficult problems of controller production, transportation, after-sales and management, and achieve robustness Good results
Pending Publication Date: 2022-03-01
UNITED AUTOMOTIVE ELECTRONICS SYST
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[0004] The purpose of the present invention is to provide a multi-controller system and its encoding method, which is used to solve the problem that the existing encoding method makes the production, transportation, after-sales and management of slave controllers difficult
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[0037] The specific implementation manner of the present invention will be described in more detail below with reference to schematic diagrams. The advantages and features of the present invention will be more apparent from the following description. It should be noted that all the drawings are in a very simplified form and use imprecise scales, and are only used to facilitate and clearly assist the purpose of illustrating the embodiments of the present invention.
[0038] figure 1 A schematic structural diagram of the multi-controller system provided in this embodiment. Such as figure 1 As shown, the multi-controller system includes a master controller 10 and m slave controllers, m≥2, and the master controller 10 communicates with the slave controllers through CAN.
[0039] Further, between the master controller 10 and the first slave controller, between the master controller 10 and the mth slave controller, and between the jth slave controller and the jth slave controller...
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The invention provides a multi-controller system and a coding method thereof. A master controller is connected with a first slave controller through a coding line, the master controller is connected with an mth slave controller through a coding line, and every two adjacent slave controllers are connected through a coding line. During encoding, a first encoding signal can be sent to a first slave controller through a master controller, and the first slave controller encodes after receiving the first encoding signal and sends a second encoding signal to a second slave controller; the steps are sequentially executed until the last slave controller completes coding, the last slave controller sends a coding signal to the master controller, and after the master controller receives the coding signal, coding is completed. According to the method, the slave controller does not need to be coded in advance, the difficulty in production, transportation, after-sales and management of the slave controller is reduced, the slave controller does not need to be confused during transportation and installation, the coding step is carried out every time the system is powered on, and the robustness is good.
Description
technical field [0001] The invention relates to the technical field of multi-controller communication, in particular to a multi-controller system and a coding method thereof. Background technique [0002] In a multi-controller system such as a battery management system (Battery Management System, BMS), there are usually a master controller and multiple slave controllers, and CAN communication is used between the master controller and the two slave controllers. Since the hardware of the slave controllers is the same, in order to ensure the normal progress of CAN communication, it is necessary to identify the code of the slave controller before the system runs, so that the correct CAN ID can be generated for CAN communication. How to correctly identify multiple slave controllers Coding is the key to ensure the normal operation of the system. In addition, for the configuration of the slave controller, it is also necessary to consider that in the after-sales maintenance market,...
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IPC IPC(8): G05B23/02
CPCG05B23/0213
Inventor 李强汤殷霞颜靖力
Owner UNITED AUTOMOTIVE ELECTRONICS SYST