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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, can solve the problems of time-consuming and laborious, restricting calibration results, not suitable for mass production of controllers, and achieve high reliability.

Active Publication Date: 2013-01-16
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 sti

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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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[0022] The automatic calibration device and method based on the CCP protocol proposed by the present invention are described in detail below with reference to the drawings and embodiments.

[0023] The device and method of the present invention are based on the CCP protocol. The CCP protocol is an ECU calibration protocol based on the CAN bus. The CCP protocol can be used to quickly and effectively achieve the calibration of the automobile ECU. CCP protocol is the application layer protocol of CAN communication. It is mainly used to realize the calibration of ECU. At the same time, it can carry out cyclic or event-driven data collection and detection. It can read RAM and ROM data in ECU randomly, 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 one or more slave ECUs. The master ECU issues all commands, and the slave ECU completes cor...

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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 present invention relates to the technical field of automobile electronic control, in particular to an automatic calibration device and method based on the CAN 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 has been very rapid. It can even be said that for any existing vehicle, automotive electronic control technology is needed when designing and improving new products. With the development of automobile electronic control technology, the world's major automobile manufacturers are racing to adopt electronic control devices in various automobile systems. At...

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Application Information

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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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