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Automatic calibrating apparatus and method based on CCP (CAN (Controller Area Network) Calibration Protocol) protocol

An automatic calibration and protocol technology, applied in the direction of electrical testing/monitoring, etc., can solve problems such as time-consuming and laborious, not suitable for mass production of controllers, and constraints on calibration results, and achieve high reliability.

Active Publication Date: 2015-01-14
BEIQI FOTON MOTOR CO LTD
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Problems solved by technology

Manual calibration is not only time-consuming and laborious, but also the quality of the calibration results is restricted by the calibration engineers and experience
Compared with manual calibration, optimized calibration greatly reduces the amount of calibration, but it is still a kind of offline calibration. The experiment and optimization are carried out separately. It is highly targeted and requires a program-controlled computer to control the calibration. It is not suitable for large batches of controllers. Calibration in end-of-line production

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  • Automatic calibrating apparatus and method based on CCP (CAN (Controller Area Network) Calibration Protocol) protocol
  • Automatic calibrating apparatus and method based on CCP (CAN (Controller Area Network) Calibration Protocol) protocol

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Embodiment Construction

[0022] The automatic calibration device and method based on the CCP protocol proposed by the present invention are described in detail as follows in conjunction with the accompanying drawings and embodiments.

[0023] The device and method of the present invention are all based on the CCP protocol. The CCP protocol is a CAN bus-based ECU calibration protocol. The CCP protocol can be used to quickly and effectively realize the calibration of the automobile ECU. The CCP protocol is the application layer protocol of CAN communication. It is mainly used to realize the calibration of the ECU. At the same time, it can perform cycle or event-driven data collection and detection, and can randomly read the RAM and ROM data in the ECU, and has software and data security. protection function. The CCP protocol is a protocol based on the master-slave communication mode. There is only one master ECU in the system, which can connect to one or more slave ECUs. All commands are issued by the ...

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Abstract

The invention discloses an automatic calibrating apparatus and a method based on a CCP (CAN (Controller Area Network) Calibration Protocol) protocol, relating to the technical field of automobile electronic control. The apparatus comprises a control module which is used for calibrating a device to be calibrated depending on a calibrating parameter; a storage module which is connected with the control module and is used for storing the calibrating parameter; and a communication module which is connected with the control module and is used for realizing communication between the control module and the device to be calibrated. According to the apparatus and the device, the device to be calibrated is calibrated by regulating a proportion coefficient between a theoretical circuit parameter of the apparatus to be calibrated and an actual circuit parameter; the apparatus and the device are suitable for calibrating electronic control units (ECU) of various cars, and are capable of satisfying requirements of rapid speed, accurate operation and high reliability in the offline production of the ECU.

Description

technical field [0001] The invention relates to the technical field of automotive electronic control, in particular to an automatic calibration device and method based on a CAN bus calibration protocol (CAN Calibration Protocol, CCP). Background technique [0002] The development of electronic technology and computer control technology has created good conditions for the improvement of automobile electronic control technology, the improvement of automobile economy, safety and comfort, and even the reduction of automobile pollution. Therefore, in the past 30 years, the development of automotive electronic control technology is very rapid. It can even be said that for any existing vehicle, when designing and improving new products, automotive electronic control technology is required. With the development of automobile electronic control technology, the world's major automobile manufacturers are competing to adopt electronic control devices in various systems of automobiles. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05B23/02
Inventor 孙钢张春淮马建新申佳佳王可峰
Owner BEIQI FOTON MOTOR CO LTD
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