Wild Gibbon Optimized Sparse Attentive Convolutional Transformer Network for Fault Diagnosis in Electric Vehicles
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Abstract
Fault Detection and Diagnosis (FDD) is critical for maintaining the security and dependability of Electric Vehicles (EVs). The electric motor drive and battery system, along with the EV’s powertrain and energy storage, are essential parts that are susceptible to a variety of malfunctions. Henceforth, this paper presents a fault diagnosis framework dependent on deep learning (DL) and nature-inspired optimization to classify faults with high accuracy. The application uses the NEV Fault Testing Dataset, which contains critical operational signals, including voltage, current, motor speed, temperature,
vibration, and humidity signals. Data normalization is applied for ensuring uniformity across the dataset while improving learning capability of model. Exploratory Data Analysis (EDA) is employed for identifying hidden patterns in the dataset and examining the contribution of each variable to the features’ distribution. Feature engineering is used for extracting meaningful variables that influence fault-related behavior. The proposed novel model, Wild Gibbon Optimized Sparse Attentive Convolutional Transformer Network (WG-Sparse ACTNet), integrates sparse convolutional methods and attention mechanisms for effective and accurate fault classification while the Wild Gibbon Optimization Algorithm (WGOA) is employed for hyper-parameter tuning to further
enhance model accuracy. This model is implemented in Python and evaluated using standard performance metrics, which achieved an accuracy of 99% and a precision, recall, and F1-score of 98%, respectively.
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