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A hierarchical structure-based energy management control system for electric vehicles

An electric vehicle and energy management technology, which is applied in the direction of electric energy management, electric vehicles, battery/fuel cell control devices, etc., can solve problems such as difficult to meet real-time load changes, low battery specific power, and dynamic response time lag, so as to reduce charging The number of discharges, the prevention of dynamic response time lag, and the effect of extending the service life

Active Publication Date: 2018-09-21
SHANDONG JIAOTONG UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, due to the low specific power of the battery and the limited number of cycles, there is a time-lag phenomenon in the dynamic response, which makes it difficult to meet the requirements of real-time changes in the load.

Method used

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  • A hierarchical structure-based energy management control system for electric vehicles

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Embodiment Construction

[0025] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention more clear, specific embodiments will be described in detail below in conjunction with the accompanying drawings.

[0026] Such as figure 1 as shown, figure 1 It is a structural schematic diagram of the present invention, including a vehicle speed sensor, a current detection unit, a first temperature sensor, a second temperature sensor, an accelerator pedal position sensor, a brake pedal position sensor, a working condition identification module, a fuzzy rule module, a power distribution module, a control Inverters, motors, batteries and supercapacitors;

[0027] The vehicle speed sensor is used to detect the driving speed of the electric vehicle;

[0028] The current detection unit is used to detect the bus current connected to the motor;

[0029] The first temperature sensor is used to detect the temperature of the storage battery;

[0030] The second tempe...

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Abstract

The invention discloses an electric automobile energy management control system based on a hierarchical structure. The electric automobile energy management control system comprises an automobile speed sensor, a current detecting unit, a first temperature sensor, a second temperature sensor, an acceleration pedal position sensor, a braking pedal position sensor, a working condition recognition module, a fuzzy rule module, a power distribution module, a controller, a motor, a storage battery and a super-capacitor. The working condition recognition module is electrically connected with the automobile speed sensor, the current detecting unit, the first temperature sensor, the second temperature sensor, the acceleration pedal position sensor, the braking pedal position sensor, the fuzzy rule module, the storage battery and the super-capacitor, the controller is super-capacitor connected with the power distribution module, the storage battery, the super-capacitor and the motor and is used for controlling the working states of the storage battery, the super-capacitor and the motor according to the data obtained from the power distribution module. The electric automobile energy management control system can meet the requirement for real-time load change, and the working efficiency is improved.

Description

technical field [0001] The invention relates to the technical field of electric vehicles, in particular to an electric vehicle energy management control system based on a layered structure. Background technique [0002] With the development of science and technology, pure electric vehicles have become a choice for people as a means of transportation. However, due to the low specific power of the battery and the limited number of cycles, there is a time-lag phenomenon in the dynamic response, which makes it difficult to meet the requirements of real-time changes in the load. Contents of the invention [0003] Based on the technical problems existing in the background technology, the present invention proposes an electric vehicle energy management control system based on a layered structure. [0004] The present invention proposes an electric vehicle energy management control system based on a layered structure, which includes a vehicle speed sensor, a current detection uni...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60L11/18B60L15/20
CPCB60L15/20B60L58/10B60L2240/12B60L2240/429B60L2240/545Y02T10/70Y02T10/72
Inventor 衣丰艳刘永辉周长峰杨君盘朝奉刘豪睿王刚刘新磊
Owner SHANDONG JIAOTONG UNIV
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