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At present, the modern coal-fired power plant has the fully functional sensor network. However, many data that are important for the operation of a power plant, such as the coal quality, cannot be directly obtained. Therefore, the information fusion technology needs to be introduced to obtain the implied information of the power plant. As a practical application, the soft measurement of coal quality is taken as the research object. This paper proposes an improved LSTM model combined with the bidirectional deep fusion, alertness mechanism, and parameter self-learning (DFAS-LSTM) to realize online soft computing for the coal quality analyses of industries and elements. First, a latent structure model is established to preprocess the noisy and redundant sensor network data. Second, an alertness mechanism is proposed and the self-learning method of the activation function parameters is used for the data feature extraction. Third, a deeply bidirectional fusion layer is added to the long short-term memory neural network model to solve the problem of the insufficient accuracy and the weak generalization. Using the historical data of the sensor network, the DFAS-LSTM model is established. Then, the online data of the sensor network is input to the DFAS-LSTM model to implement the online coal quality analyses. Experiment shows that the accuracy of the coal quality analyses is increased by 1%\u20132.42% compared to the traditionally bidirectional LSTM.<\/jats:p>","DOI":"10.1155\/2021\/5595898","type":"journal-article","created":{"date-parts":[[2021,4,21]],"date-time":"2021-04-21T21:34:42Z","timestamp":1619040882000},"page":"1-15","source":"Crossref","is-referenced-by-count":2,"title":["The Bidirectional Information Fusion Using an Improved LSTM Model"],"prefix":"10.1155","volume":"2021","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-6253-9237","authenticated-orcid":true,"given":"Tianwei","family":"Zheng","sequence":"first","affiliation":[{"name":"Xian University of Science and Technology, Xian 710054, China"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7834-5517","authenticated-orcid":true,"given":"Mei","family":"Wang","sequence":"additional","affiliation":[{"name":"Xian University of Science and Technology, Xian 710054, China"}]},{"given":"Yuan","family":"Guo","sequence":"additional","affiliation":[{"name":"Xian University of Science and Technology, Xian 710054, China"}]},{"given":"Zheng","family":"Wang","sequence":"additional","affiliation":[{"name":"Xian University of Science and Technology, Xian 710054, China"}]}],"member":"311","reference":[{"first-page":"1248","article-title":"Prediction of depression from EEG signal using long short-term memory (LSTM)","author":"S. 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