Method for extracting road vehicle running status based on battery data of electric vehicle
A battery data and extraction method technology, which is applied in the direction of registration/instruction of vehicle operation, instruments, registration/instruction, etc., can solve the problems of inability to judge the driving quality of electric drive vehicles, inability to analyze the energy consumption of driving routes, and inability to extract, etc.
Inactive Publication Date: 2012-07-18
SHANGHAI JIAO TONG UNIV
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That is to say, only real-time speed, acceleration and other information can be seen during the driving process, and historical speed and acceleration information on the entire driving route cannot be obtained offline, so that some features on the driving route ( Such as uphill and downhill, road congestion, etc.) for effective extraction, so that it is impossible to judge the pros and cons of electric drive vehicles, and it is also impossible to analyze the reasons for the energy consumption of different driving routes
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[0021] In this embodiment, a neural network optimization algorithm is used to build system identification software to correlate battery data and driving conditions of electric vehicles, and this system identification is installed on the server of the method for extracting vehicle driving conditions based on battery data of electric vehicles in the present invention Software, the mathematical model of the system identification software adopts the neural network model. Wherein, the battery data of the electric vehicle includes the voltage and output current of the battery of the electric vehicle, and the driving condition of the electric vehicle includes the speed and acceleration of the electric vehicle. It should be pointed out that other intelligent optimization algorithms can also be used to construct the system identification software of the present invention, that is, the mathematical model of the system identification software of the present invention can also be a mathema...
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The invention discloses a method for extracting a road vehicle running status based on battery data of an electric vehicle. The method comprises the following steps: creating a system identification software based on an intelligent optimization algorithm to correlate the battery data with the running status of the electric vehicle, mounting the system identification software on a server, connecting data acquisition equipment on a battery of the electric vehicle, and enabling the data acquisition equipment to communicate with the server by the internet. The method for extracting the road vehicle running status based on battery data of the electric vehicle also comprises an application step of: acquiring the battery data of the electric vehicle by the data acquisition equipment, uploading the battery data to the server by a network, and calculating by the server through the system identification software to obtain the running status of the electric vehicle. Therefore, the real-time information of the running status of the electric vehicle can be obtained from the battery data of the electric vehicle, and the road vehicle information can be obtained by reasoning at the same time.
Description
technical field [0001] The invention relates to a method for extracting road vehicle running conditions, in particular to a method for extracting vehicle running conditions based on electric vehicle battery data. Background technique [0002] With the development and popularization of electric vehicles, higher requirements are put forward for the batteries used in electric vehicles, not only for the materials of the batteries themselves and the quality of charge and discharge, but also for the rationality of the use of batteries, namely How to drive and how to choose a driving route can relatively improve battery efficiency. [0003] At present, the measurement of the driving conditions of electric vehicles and ordinary vehicles is realized by adding sensors (Hall sensors) at the hub and processing them through electronic control units (ECU). That is to say, only real-time speed, acceleration and other information can be seen during the driving process, and historical speed...
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Inventor 李杰黄亦翔冯智泉
Owner SHANGHAI JIAO TONG UNIV