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Network-connected hybrid electric vehicle energy management system and method of a distributed MPC

A technology of hybrid electric vehicles and energy management systems, applied in the field of automobiles, can solve problems such as inability to meet adaptability requirements, difficulty in reflecting the randomness and dynamics of actual working conditions, and poor prediction stability, so as to improve the adaptability of dynamic working conditions, Improve fuel economy and ensure real-time effects

Active Publication Date: 2021-07-13
XIAN UNIV OF TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] In general, most of the current research on traditional energy management algorithms is theoretically optimized based on specific standard cycle conditions. Even if the vehicle’s historical operating condition data is used to predict the operating conditions, it is difficult to reflect the randomness and dynamics of the actual operating conditions, and the prediction stability is poor. , which cannot meet the requirements of fuel economy, real-time performance and adaptability to dynamic working conditions of the algorithm under the constraints of changing working conditions in the networked environment

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  • Network-connected hybrid electric vehicle energy management system and method of a distributed MPC

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Embodiment Construction

[0141] The present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments.

[0142] see figure 1 , the energy management system of distributed MPC connected hybrid electric vehicles, including engine 1, clutch 2, motor 3, transmission 4, and battery 5; the engine, clutch, motor, and transmission are located on the same shaft; the clutch is located at the rear of the engine, The rear of the engine is the motor, and the rear of the motor is the transmission; the ECU of the engine is connected to the TCU of the transmission; the MCU of the motor 3 is connected to the TCU of the transmission and the ECU of the engine; the battery 5 is connected to the motor 3 respectively; the engine 1 is connected to the motor 3 and the transmission There are communication lines between 4. figure 1 The middle straight line represents the communication route, and the dotted line represents the power route.

[0143] The working principle ...

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Abstract

A network-connected hybrid electric vehicle energy management system of a distributed MPC comprises an engine, a clutch, a motor, a transmission and batteries. The MCU of the motor is connected with the TCU of the transmission and the ECU of the engine; the batteries are respectively connected with the motors; the batteries transmit power to the motor; working modes comprise pure electric driving, pure engine driving, hybrid driving, driving charging and regenerative braking; the method by means of the network-connected hybrid electric vehicle energy management system comprises the following steps: 1, modeling a parallel hybrid electric vehicle; 2, predicting the speed of the networked hybrid electric vehicle; and 3, constructing a distributed MPC energy management method; the system and the method have the characteristics of good calculation efficiency, fuel economy and working condition adaptability.

Description

technical field [0001] The invention belongs to the technical field of automobiles, and in particular relates to a distributed MPC network-connected hybrid electric vehicle energy management system and method. Background technique [0002] With the development of automobiles in the direction of intelligence, networking and electrification, it has become an effective means to solve the problems of energy saving and new energy vehicle control optimization with the help of Internet of Vehicles technology, which provides a new idea for it and helps to realize the Internet of Things Optimizing and improving the comprehensive performance of vehicles in the environment. [0003] Energy management algorithm is the core technology to ensure the fuel economy of hybrid electric vehicles, and researchers have done a lot of research on it. According to whether optimization theory is adopted, it can be divided into optimization-based energy management algorithm and rule-based control str...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60W20/11B60W20/15B60W50/00G06F17/11
CPCB60W20/11B60W20/15B60W50/0097G06F17/11Y02T10/84
Inventor 张风奇肖乐华解少博崔亚辉庞辉
Owner XIAN UNIV OF TECH
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