Brake force real-time adjusting method based on brake-by-wire system and adjusting device

A technology of real-time adjustment and brake-by-wire, which is applied to electric braking systems, brakes, electric vehicles, etc., and can solve the problems that the fluctuation and instability of the brake cannot be suppressed, the braking effect is affected, and the safety of the car is affected.
CN102582600AActive Publication Date: 2012-07-18CHERY AUTOMOBILE CO LTD
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Patent Information

Authority / Receiving Office
CN Β· China
Current Assignee / Owner
CHERY AUTOMOBILE CO LTD
Publication Date
2012-07-18

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Abstract

The invention provides a brake force real-time adjusting method based on a brake-by-wire system. The brake force real-time adjusting method comprises following steps: respectively obtaining objective position signal values of motors in various electronic and mechanical brakes of front wheels and / or rear wheels of a brake vehicle according to strokes of electronic brake pedals; respectively acquiring actual position signal values, actual rotation speed signal values and actual current signal values of the motors in real time; and respectively realizing real-time closed-loop control for positions, rotation speeds and current of the motors according to deviation between the objective position signal values and the actual position signal values of the motors, the actual rotation speed signal values and the actual current signal values, and accordingly adjusting actually outputted brake force of the electronic and mechanical brakes with the motors in real time. Correspondingly, the invention provides a brake force real-time adjusting device. The brake force real-time adjusting method and the adjusting device can suppress fluctuation generated when brake force is adjusted in real time in the prior art, stability of the brake-by-wire system is improved, and a braking effect is good.
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Description

technical field

[0001] The invention belongs to the technical field of brake by wire (Brake by wire), and in particular relates to a real-time adjustment method for braking force based on a brake by wire system and a real-time adjustment device for brake force based on a brake by wire system. Background technique

[0002] With the development of automobile technology, people put forward higher requirements for the power, economy, safety, maneuverability and comfort of automobiles, and the mechanical systems in automobiles are gradually converting to electromechanical systems.

[0003] In the brake-by-wire system, the electronic brake pedal and multiple electromechanical brakes (EMB, Electro Mechanical Brake) respectively arranged on the front and rear wheels of the vehicle are generally used to complete the braking operation. The driver steps on the electronic brake pedal to generate Pedal displacement signal, through which the braking force acting on the front and rear whee...

Claims

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