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  • National Library of Serbia  (2)
  • Du, Jing  (2)
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  • National Library of Serbia  (2)
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  • 1
    Online Resource
    Online Resource
    Superheated steam temperature system of thermal power control engineering based on neural network local multi-model prediction
    National Library of Serbia ; 2021
    In:  Thermal Science Vol. 25, No. 4 Part B ( 2021), p. 2949-2956
    Details
    In: Thermal Science, National Library of Serbia, Vol. 25, No. 4 Part B ( 2021), p. 2949-2956
    Abstract: The superheated steam temperature object of thermal power plant has the characteristics of time lag, inertia and time-varying parameters. The control quality of the conventional proportional integral derivate controller with fixed parameters will decrease after the object characteristics change. The generalized predictive control strategy of superheated steam temperature based on neural network local multi-model switching can achieve the goal of designing sub-controllers for fixed models under several typical operating conditions. When the system operating conditions change, the effective switching strategy is timely and accurate. Switch to the most suitable controller. The paper proposes a new smooth switching method, which can effectively suppress the large disturbance phenomenon of the object when switching. The simulation results verify the effectiveness of the control strategy.
    Type of Medium: Online Resource
    ISSN: 0354-9836 , 2334-7163
    URL: Article
    DOI: 10.2298/TSCI2104949Z
    Language: English
    Publisher: National Library of Serbia
    Publication Date: 2021
    detail.hit.zdb_id: 2241319-4
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    Online Resource
  • 2
    Online Resource
    Online Resource
    Solar thermal control efficiency based on at series micro-controller
    National Library of Serbia ; 2021
    In:  Thermal Science Vol. 25, No. 4 Part B ( 2021), p. 2913-2921
    Details
    In: Thermal Science, National Library of Serbia, Vol. 25, No. 4 Part B ( 2021), p. 2913-2921
    Abstract: Aiming at the problems of water temperature and water level control system of conventional solar water heater and low solar thermal control efficiency, this paper developed an AT series single-chip solar water heater control system for rural areas. In this paper, the detailed design of hardware and software is presented, and the method of evaluating the collector efficiency is simplified by the temperature rise rate and solar irradiance of the collector plate. The software compensation algorithm we adopted can effectively reduce the impact of different water quality on water level measurement and improve solar thermal control efficiency. It is found that the control system designed in this paper has the characteristics of low cost, high safety, and strong practicability.
    Type of Medium: Online Resource
    ISSN: 0354-9836 , 2334-7163
    URL: Article
    DOI: 10.2298/TSCI2104913H
    Language: English
    Publisher: National Library of Serbia
    Publication Date: 2021
    detail.hit.zdb_id: 2241319-4
    Location Call Number Limitation Availability
    BibTip Others were also interested in ...
    Online Resource
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