Journal of the Korea Academia-Industrial cooperation Society (한국산학기술학회논문지)

The Korea Academia-Industrial cooperation Society (한국산학기술학회)
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A Study of Disinfection Process Automation through Control Logic Program Development

제어로직 프로그램 개발을 통한 소독공정 자동운전에 관한 연구

  • Received : 2011.06.17
  • Accepted : 2011.08.11
  • Published : 2011.08.31
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Abstract

This study proposes the automation of disinfection process in water treat plant to reach target effluent chlorine concentration rate according to chlorine consumption rate by varying travel time. Hydraulic analysis about the process and local facility was surveyed first and the program for automatic operation was developed to solve current problem, whose applied result was presented and proved to be better than present controller. Especially using multi variable process algorithm, the correlation coefficient is analyzed between environment factor and reaction time, and process control prove to be stable through model estimation with optimal control input.

본 연구는 수처리 주요공정의 소독공정에 대한 자동운전 구축현황과 목표주입율 결정시 체류시간동안 염소 소모량을 분석하고 활용하기 위한 기술을 연구하고 제시하는데 있다. 본 연구를 위하여 자동운전을 위한 시설물 구조 및 하부설비 설치현황을 조사하였으며, 현 시스템의 문제점을 분석하고 해결을 위한 자동운전 프로그램을 개발하여 적용하였으며 이에 따른 효과도 분석 제시하였다. 특히 시지연공정 및 다변수 공정제어에 적합한 모델예측제어 알고리즘을 적용하여 환경인자와 반응시간 등의 상관관계를 분석하고 최적 제어 입력값을 추론할 수 있도록 함으로써 안정적인 공정제어가 가능함을 모델평가를 통하여 확인하였다.

Keywords

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  1. Intelligent Controller for Constant Control of Residual Chlorine in Water Treatment Process vol.24, pp.2, 2014, https://doi.org/10.5391/JKIIS.2014.24.2.147