Online battery fault detection and analysis method and device for new energy vehicle
A technology for battery fault detection and new energy vehicles, applied in measuring devices, measuring electricity, measuring electrical variables, etc., can solve problems such as potential safety hazards, car fires, etc., to reduce the incidence of accidents, accurately detect faults, and improve safety. and comfort effects
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[0031] Embodiments of the present invention will be described in detail below. It should be emphasized that the following description is only exemplary and not intended to limit the scope of the invention and its application.
[0032] figure 1 It is a schematic flow chart of a new energy vehicle battery data online fault detection method according to an embodiment of the present invention. refer to Figure 1 to Figure 5 , the embodiment of the present invention proposes a new energy vehicle online battery fault detection and analysis method, including the following steps:
[0033] S1. Establish and train a long-short-term memory neural network model (LSTM) based on the historical time flow data of the sensor; establish and train a support vector machine model (SVM) based on historical fault data; Two softmax multi-classification models for faults and vehicle battery faults;
[0034] S2. Utilize the real-time running parameter data of the vehicle collected by each sensor in...
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