Abstract
In this paper, by integrating neural network approximators, a data-based composite control technique is developed with critic learning implementation and wastewater treatment verification. The iterative adaptive critic framework is established involving dual heuristic dynamic programming (DHP), so as to obtain an intelligent optimal controller. Besides, a steady control input is computed with the help of the neural identifier. Then, by combining the DHP controller and the steady control input, an effective composite control strategy is derived and applied to the proposed wastewater treatment platform. Through conducting experiments, it is observed that the dissolved oxygen concentration and the nitrate level can be maintained at setting points successfully, which results in an intelligent wastewater treatment system.
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This work was supported in part by Beijing Natural Science Foundation under Grant JQ19013; in part by the Natural Sciences and Engineering Research Council of Canada (NSERC) under Grant DGECR-2018-00022; in part by the National Natural Science Foundation of China under Grant 61773373, Grant 61890930-5, and Grant 61533017; in part by the National Key Research and Development Project under Grant 2018YFC1900800-5; and in part by the Youth Innovation Promotion Association of the Chinese Academy of Sciences. No conflict of interest exits in this manuscript and it has been approved by all authors for publication.
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Wang, D., Ha, M., Qiao, J. et al. Data-based composite control design with critic intelligence for a wastewater treatment platform. Artif Intell Rev 53, 3773–3785 (2020). https://doi.org/10.1007/s10462-019-09778-5
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DOI: https://doi.org/10.1007/s10462-019-09778-5