Ship motion multi-step real-time prediction mixing method and system based on reinforcement learning
A technology of ship motion and reinforcement learning, which is applied in neural learning methods, design optimization/simulation, biological neural network models, etc., can solve the problem of low prediction accuracy of ship motion attitude, achieve unstable prediction results, enhance learning ability, Avoid the effect of error accumulation
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[0011] The technical solutions of the present invention will be clearly and completely described below with reference to the embodiments and the accompanying drawings.
[0012] see figure 1 , based on real-time decomposition, reinforcement learning and error correction, the embodiments of the present invention provide the steps of the multi-step prediction method for ship attitudes as follows:
[0013] Step 1: Obtain the original ship motion data from the attitude sensor installed on the ship, and divide the original ship motion data into a training data set and a prediction data set;
[0014] 70% of the dataset is used as a training set, which is used to train the initial ORELM model and the AdaBoost.MRT algorithm to strengthen ORELM; 30% is used as a prediction set, and the prediction data set is further divided into a validation set and a test set, and the validation set and the test set each account for 15%. , the prediction error of the validation set is used to build the e
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