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Dual control system based on UDS protocol and diagnosis method

A control system and dual control technology, applied in the direction of electrical testing/monitoring, etc., can solve problems such as the inconvenience of product debugging and repairing faulty parts, and achieve the effect of improving debugging efficiency and troubleshooting efficiency

Pending Publication Date: 2022-07-19
ZHUZHOU CSR TIMES ELECTRIC CO LTD
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Problems solved by technology

After ECU is mass-produced, it must conform to the UDS specification of the OEM, so some functions that do not conform to the specifications of the OEM must be removed, and these functions are indispensable for the repair and debugging of faulty parts, which will bring new problems to product debugging and repair of faulty parts. many inconveniences

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  • Dual control system based on UDS protocol and diagnosis method

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Embodiment Construction

[0018] The present invention will be further described below with reference to the accompanying drawings and specific embodiments.

[0019] The dual control system based on the UDS protocol in this embodiment includes a first control system and a second control system, the first control system and the second control system are both located in the electronic control unit of the vehicle, and the first control system is used to meet the standard UDS specification, the second control system is used to meet the custom UDS specification; the first control system and the second control system are invoked according to the judgment of the electronic control unit ECU on the diagnosis request.

[0020] The first control system and the second control system of the present invention form a dual control system, which can meet two different UDS specifications, one is used to meet the standard UDS specifications of OEMs, and the other can be configured according to autonomous requirements. De...

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Abstract

The invention discloses a dual control system based on a UDS protocol and a diagnostic method.The system comprises a first control system and a second control system, the first control system and the second control system are both located in an electronic control unit of an automobile, the first control system is used for meeting the standard UDS specification, and the second control system is used for meeting the standard UDS specification. The second control system is used for satisfying a user-defined UDS specification; the first control system and the second control system are invoked in accordance with a determination of the diagnostic request by the electronic control unit. The method has the advantages that different UDS specification requirements are met, the debugging efficiency and the troubleshooting efficiency are improved, and the like.

Description

technical field [0001] The invention mainly relates to the technical field of automobile control systems, in particular to a dual control system and a diagnosis method based on the UDS protocol. Background technique [0002] As the process of automobile intelligence and networking is getting faster and faster, there are more and more ECUs (electronic control units, or trip computers, etc.) on the car, and the UDS (Unified Diagnostic Services, unified diagnostic services) system As an important part of ECU, its role is getting bigger and bigger. UDS is also an indispensable system in the product debugging stage, for example, it is used for fault code storage and clearing, data reading and writing, routine control, I / O control, etc. After mass production, the ECU must comply with the UDS specifications of the OEM, so some functions that do not meet the specifications of the OEM must be removed, and these functions are indispensable for the repair and debugging of the faulty p...

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Application Information

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IPC IPC(8): G05B23/02
CPCG05B23/0262G05B2219/24065
Inventor 陈龙周成聂李陈磊陈建明彭健敏
Owner ZHUZHOU CSR TIMES ELECTRIC CO LTD
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