Electric braking compensation control method, controller, electric power-assisting auxiliary system and automobile
A technology of compensation control and electric power assist, applied in the direction of brakes, brake transmission devices, vehicle components, etc., can solve the problems affecting the driving comfort of the driver, the impact of vehicle braking, and the inability to meet the needs of vehicle braking torque, etc., to achieve Improve driving mileage and braking efficiency, avoid deceleration reduction, and ensure vehicle safety
Active Publication Date: 2018-10-12
BEIJING ELECTRIC VEHICLE
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Problems solved by technology
[0003] The technical problem to be solved by the embodiments of the present invention is to provide an electric brake compensation control method, a controller, an electric power assist auxiliary system, and an automobile to solve the problem that the current electric brake cannot meet the requirements of vehicle control when the electric brake is in an unexpected weakened state. The demand for dynamic torque, thus the impact on vehicle braking, and the problems affecting the driving comfort of the driver
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[0069] In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following will describe in detail with reference to the drawings and specific embodiments. In the following description, specific details, such as specific configurations and components, are provided only to assist in a comprehensive understanding of the embodiments of the present invention. Accordingly, those of ordinary skill in the art should recognize that various changes and modifications of the embodiments described herein can be made without departing from the scope and spirit of the invention. Also, descriptions of well-known functions and constructions are omitted for clarity and conciseness.
[0070] It should be understood that reference throughout this specification to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic related to the embodiment is included in at least one embodiment of t...
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The embodiment of the invention provides an electric braking compensation control method, a controller, an electric power-assisting auxiliary system and an automobile. The electric braking compensation control method comprises the steps that a first auxiliary braking request sent by a motor control unit (MCU) and detecting information sent by an automobile body electronic stability program (ESP) are received; according to the detecting information, when the situation that an electric braking compensation zone bit carried in the first auxiliary braking request represents that the electric braking compensation function of the MCU is in an enabling state is determined, a feedback signal is sent to the MCU; the first target pressure intensity sent by the MCU is received; and when the first target pressure intensity is less than the preset pressure intensity, a hydraulic actuating mechanism is controlled to conduct auxiliary braking according to the first target pressure intensity. The electric power-assisting auxiliary system in the scheme can provide auxiliary braking for electric braking when the situation that electric braking is in an unexpected weakening state is judged accordingto the information provided by the MCU and the ESP, it is ensured that the braking torque is within the normal braking range, and meanwhile, the influence on the driving comfort of a driver is avoided.
Description
technical field [0001] The invention relates to the field of automobile auxiliary braking, in particular to an electric braking compensation control method, a controller, an electric power assist auxiliary system and an automobile. Background technique [0002] With the popularity of electric vehicles, people are paying more and more attention to electric vehicles. Electric vehicles can rely on the electric braking of sliding energy to improve the mileage and the braking efficiency of the whole vehicle. When the electric braking is affected by the battery temperature, battery state of charge, motor controller temperature, motor temperature, vehicle failure, etc. Therefore, the electric brake cannot always maintain the best state. When the electric brake is in an unexpected weakened state, it cannot meet the vehicle's demand for braking torque, thus affecting the vehicle's braking and affecting the driver's driving. comfort. How to solve the impact of the weakening of the e...
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Login to view more IPC IPC(8): B60T13/74
CPCB60T13/745
Inventor 谢明维王艳静
Owner BEIJING ELECTRIC VEHICLE
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