ABiLSTM Based Prediction Model for AUV Trajectory

On 25 July 2021, the AUV of Marine Science and Technology Research Center was lost under sea due to a fracture wire rope when it performing mission offshore China. A model is presented in paper for predicting trajectory based on ABiLSTM. To increase precision prediction, incorporates soft attention mechanism bidirectional Long Short-Term Memory (BiLSTM) network. In comparison LSTM, BiLSTM, attention-LSTM models, experiments have demonstrated that proposed enhanced prediction accuracy terms longitude, latitude, altitude by 0.009° E, 0.008° N, 2 m using representative root mean squared error as an assessment indicator. The findings study can improve marine rescue efforts aid search recovery AUVs crashed.