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A Statistics-Based System for Treatment Plant Operation

In: Statistical Methods for the Assessment of Point Source Pollution

Author

Listed:
  • P. M. Berthouex

    (The University of Wisconsin-Madison, Department of civil and environmental Engineering)

  • Wenje Lai

    (The University of Wisconsin-Madison, Department of civil and environmental Engineering)

  • A. Darjatmoko

    (The University of Wisconsin-Madison, Department of civil and environmental Engineering)

Abstract

This paper describes work toward development of a convenient computer system to improve everyday operation and control of the wastewater treatment process. The goal is to help the operator detect the problems in the process and to select appropriate control actions. The system comprises subsystems for a data base management, data analysis including several statistical methods, and an expert advisory system. The statistical methods investigated include construction of external reference distributions, computation of moving averages, graphical methods, discriminant functions for early detection of upsets, and several kinds of control charts. The latter two methods are still under development and are not built into the system. Reference distributions are used to help define the fuzzy terms such as high and low for the conditions of the variables involved in the expert system control rules. The system is written in dBase-III and Lotus-123 and has a user-friendly interface for the communication between the user and the system.

Suggested Citation

  • P. M. Berthouex & Wenje Lai & A. Darjatmoko, 1989. "A Statistics-Based System for Treatment Plant Operation," Springer Books, in: D. T. Chapman & A. H. El-Shaarawi (ed.), Statistical Methods for the Assessment of Point Source Pollution, pages 147-169, Springer.
    • Handle: RePEc:spr:sprchp:978-94-009-1960-0_9
    DOI: 10.1007/978-94-009-1960-0_9
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