Vehicle speed limit system having active speed limit function and method

A function and vehicle technology, applied in the field of automotive electronic control, can solve the problems of low safety and low controllability, and achieve the effect of stable and reliable operation and low equipment cost
CN106515449AInactive Publication Date: 2017-03-22CHERY AUTOMOBILE CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
CHERY AUTOMOBILE CO LTD
Publication Date
2017-03-22
Estimated Expiration
Not applicable · inactive patent

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Abstract

The present invention discloses a vehicle speed limit system having an active speed limit function. The system is provided with a key. The key outputs a key signal to a combination instrument, the combination instrument communicates with an ECU via a wire harness, and the combination instrument and the ECU acquire a vehicle speed signal. The vehicle speed limit system having the active speed limit function has the advantages that only a few key inputs need to be added, and the existing system sensor is used, the purpose is realized through optimizing the control target method, the equipment cost is low, the operation is stable and reliable, and the maximum limited speed can be adjusted according to the requirement.
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Description

technical field

[0001] The invention relates to the field of automotive electronic control. Background technique

[0002] With the development of the automobile industry, automobiles are an indispensable means of transportation for family use, and users have put forward higher requirements for the use of automobiles. There are related regulations (ECE R89 regulations) that vehicles must have their own speed limiting device ASLD. ASLD refers to "Adjustable Speed ​​Limiting Device", that is, the driver can independently set the required speed limit through the adjustment button. When the driver sets the speed limit value for the vehicle, the vehicle speed is automatically limited within that value, and The speed limit function is realized by the control device operated directly by the driver. The function must be able to be started and stopped at any time

[0003] The regulations stipulate that ASLF must meet the following requirements:

[0004] ASLF shall not activate the...

Claims

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