Energy feedback control method and control system for electric vehicle provided with multispeed transmission

A technology of energy feedback and control method, applied in electric braking system, electric vehicle, electric vehicle charging technology, etc., can solve the problems of high manufacturing cost, loss of comfort, maximization of energy feedback rate and lack of driving comfort Solve problems together to maximize energy recovery and ensure driving comfort

Active Publication Date: 2015-04-22
CHONGQING SOKON IND GRP CO LTD
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  • Abstract
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Problems solved by technology

[0002] At present, when electric vehicles do not use multi-stage gearboxes, the demand for electric vehicles on the drive motor requires that the drive motor has the characteristics of large torque, high speed, and high efficiency. With the development of electric vehicles, the demand for drive motors The performance is getting higher and higher, and the design and manufacturing cost of the drive motor remains high. In some fields, electric vehicles have begun to use multi-stage gearboxes. The use of multi-stage gearboxes can

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  • Energy feedback control method and control system for electric vehicle provided with multispeed transmission

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Embodiment Construction

[0015] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

[0016] In the description of the present invention, unless otherwise specified and limited, it should be noted that the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be mechanical connection or electrical connection, or two The internal communication of each element may be directly connected or indirectly connected through an intermediary. Those skilled in the art can understand the specific meanings of the above terms according to specific situations.

[0017] Such as fig...

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Abstract

The invention provides an energy feedback control method and a control system for an electric vehicle provided with a multispeed transmission. A brake pedal sensor, an acceleration pedal sensor, a vehicle speed sensor and a motor sensor transmit brake signals, acceleration signals, vehicle speed and motor output conditions to an energy feedback control device, the energy feedback control device judges whether energy is fed back or not according to received information, and the energy feedback control device feeds back the energy according to data in real-time communication with a motor controller, recovers the energy and stores the energy into an energy storage system through a conduction device if energy feedback is needed. The energy of the electric vehicle provided with the multispeed transmission is fed back according to different gears and different conditions of the vehicle, energy recovery rate is maximized, and an energy feedback device for the electric vehicle provided with the multispeed transmission is implemented without affecting vehicle comfort or adding a motor.

Description

technical field [0001] The invention relates to the field of energy feedback of electric vehicles, in particular to an energy feedback control method and a control system for an electric vehicle equipped with a multi-stage gearbox. Background technique [0002] At present, when electric vehicles do not use multi-stage gearboxes, the demand for electric vehicles on the drive motor requires that the drive motor has the characteristics of large torque, high speed, and high efficiency. With the development of electric vehicles, the demand for drive motors The performance is getting higher and higher, and the design and manufacturing cost of the drive motor remains high. In some fields, electric vehicles have begun to use multi-stage gearboxes. The use of multi-stage gearboxes can reduce the performance requirements of the vehicle for the drive motor, thereby controlling costs. Multi-stage transmission The use of the box makes the electric vehicle have multiple drive ratios. When...

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Application Information

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IPC IPC(8): B60L7/10B60L15/20
CPCY02T10/64Y02T10/72Y02T90/16
Inventor 张兴海南富乾彭自力程波李天顺刘锋
Owner CHONGQING SOKON IND GRP CO LTD
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