Paper Title:
Design of a Self-Tunning Temperature Controller for a Coal Sample Burning Point Detecting Instrument
  Abstract

The burning point of coal sample is a crucial physical property of coal, and it is also a key technical parameter for the exploitation, transportation, and application of coal. The national standard for coal sample burning point detection prescribes a strict rising rate of temperature when coal samples being heated. To meet with this engineering requirement, we introduce a scheme of a coal sample burning point detecting instrument, which is based on an AT89C55 MCU. The characteristics, key techniques, and solutions of the temperature control system are introduced with respect to the instrument. We employ a self-tunning Dahlin controller with a Recursive Least Squares with Exponential Forgetting (RLSEF) algorithm to solve the control problems of this time-delay, big inertia, and time-variable plant (coal sample heating furnace). Simulations show that the self-tunning Dahlin controller is able to not only compensate the time-delay and big inertia of the plant and but also adapt to the variations of plant parameters, so that the requirement for the rising rate of temperature can be fulfilled effectively.

  Info
Periodical
Edited by
Qiancheng Zhao
Pages
354-360
DOI
10.4028/www.scientific.net/AMM.103.354
Citation
X. Y. Chen, C. Y. Dong, G. Z. Dai, "Design of a Self-Tunning Temperature Controller for a Coal Sample Burning Point Detecting Instrument", Applied Mechanics and Materials, Vol. 103, pp. 354-360, 2012
Online since
September 2011
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Price
$32.00
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