scispace - formally typeset
Search or ask a question
Proceedings ArticleDOI

Controller design and analysis for automation of Chemical Water Treatment system

A. Upadhyay1, A. Agarwal1
01 Nov 2008-pp 1625-1629
TL;DR: The mathematical model used for controller design depicts all the aspects of mechanical-chemical chemical water treatment plant and implements PID coupled with dead time compensator for maintaining the concentration of harmful effluents under optimum level.
Abstract: The paper includes designing of automatic control of a chemical water treatment plant and its analysis in National Instruments-LabVIEW. The mathematical model used for controller design depicts all the aspects of mechanical-chemical chemical water treatment plant. Transfer function derived is reduced implementing Cohen-Coon algorithm. Closed loop process offers optimal efficiency by maintaining the concentration at set point by controlling the flow rate of water feed in purifier. The system implements PID coupled with dead time compensator for maintaining the concentration of harmful effluents under optimum level. Feed forward controller anticipates the temperature of the reactor by measuring the input concentration. Also, a cascade controller is implemented to control the reactor core temperature by controlling the flow rate of cooling water. Sensor setup and master control are also comprehended for complete automation of plant.
Citations
More filters
Proceedings ArticleDOI
11 Jul 2010
TL;DR: This paper focuses on an innovative and intelligent monitoring system for Water Treatment Plant that has been successfully designed, implemented and commissioned for large Gas Refinery after case study in international standards.
Abstract: Water treatment plants have to provide good water quality and at the same time low operational costs. Owing to various physical, chemical and biological interactions water treatment processes are often difficult to handle and reliable predictions for the course of processes are difficult to obtain. Developing monitoring in Automation Control System is a major industrial concern since those systems are more and more complex and involved in many safety critical application fields. The Automation system is being widely used in Power, Steel manufacturing, Oil and Gas, and Petrochemicals for monitoring, advance process control, regulatory and sequential control and various other functions. Automation system is operated either in single mode and or it is interfaced with other systems such as PLC, SCADA, and Etc for enhanced functionality. This paper focuses on an innovative and intelligent monitoring system for Water Treatment Plant that has been successfully designed, implemented and commissioned for large Gas Refinery after case study in international standards.

7 citations


Cites methods from "Controller design and analysis for ..."

  • ...The paper in [11] presents the development and implementation of a Real-Time Expert System for the control and supervision of a wastewater treatment pilot plant with biological removal of organic matter and nutrients....

    [...]

Proceedings ArticleDOI
27 Mar 2010
TL;DR: This paper focuses on an innovative and intelligent control and monitoring system for Water Treatment Plant that has been successfully designed, implemented and commissioned for large Gas Refinery after case study in international standards.
Abstract: An automation system, commonly referred to as a Process Control System or Supervisory Control and Data Acquisition (SCADA) System, is critical to the efficient operation, safe and reliable of so many Industrial Processes. Process Control System (PCS) is used widely in infrastructure (including electric power, water, petroleum, and natural gas), as well as in various manufacturing operations. Electronic automation of control enables quicker and more coordinated system management compared to human operation, and in many cases there is no effective alternative to the use of PCS. Water treatment plants have to provide good water quality and at the same time low operational costs. Owing to various physical, chemical and biological interactions water treatment processes are often difficult to handle and reliable predictions for the course of processes are difficult to obtain. This paper focuses on an innovative and intelligent control and monitoring system for Water Treatment Plant that has been successfully designed, implemented and commissioned for large Gas Refinery after case study in international standards.

7 citations


Cites background from "Controller design and analysis for ..."

  • ...The paper in [ 11 ] presents the development and implementation of a Real-Time Expert System for the control and supervision of a wastewater treatment pilot plant with biological removal of organic matter and nutrients....

    [...]

Proceedings ArticleDOI
28 Oct 2010
TL;DR: This paper focuses on an innovative and intelligent monitoring system for Water Treatment Plant that has been successfully designed, implemented and commissioned for large Gas Refinery after case study in international standards.
Abstract: A PLC can communicate through its inputs and output signals with the plant The capabilities of PLCs have developed over the years, with reliability, performance, and operational Developing monitoring in Automation Control System is a major industrial concern since those systems are more and more complex and involved in many safety critical application fields The Automation system is being widely used in Power, Oil and Gas, and Petrochemicals for monitoring, advance process control and various other functions Automation system is operated either in single mode and or it is interfaced with other systems such as PLC, SCADA, and Etc for enhanced functionality Water treatment plants have to provide good water quality and at the same time low operational costs Owing to various physical, chemical and biological interactions water treatment processes are often difficult to handle and reliable predictions for the course of processes are difficult to obtain This paper focuses on an innovative and intelligent monitoring system for Water Treatment Plant that has been successfully designed, implemented and commissioned for large Gas Refinery after case study in international standards

3 citations

21 Oct 2010
TL;DR: This paper focuses on an innovative and intelligent monitoring system for Water Treatment Plant that has been successfully designed, implemented and commissioned for large Gas Refinery after case study in international standards.
Abstract: Developing monitoring in Automation Control System is a major industrial concern since those systems are more and more complex and involved in many safety critical application fields. The Automation system is being widely used in Power, Steel manufacturing, Oil and Gas, and Petrochemicals for monitoring, advance process control, regulatory and sequential control and various other functions. Automation system is operated either in single mode and or it is interfaced with other systems such as PLC, SCADA, and Etc for enhanced functionality. Water treatment plants have to provide good water quality and at the same time low operational costs. Owing to various physical, chemical and biological interactions water treatment processes are often difficult to handle and reliable predictions for the course of processes are difficult to obtain. This paper focuses on an innovative and intelligent monitoring system for Water Treatment Plant that has been successfully designed, implemented and commissioned for large Gas Refinery after case study in international standards.

1 citations


Cites methods from "Controller design and analysis for ..."

  • ...The paper in [11] presents the development and implementation of a Real-Time Expert System for the control and supervision of a wastewater treatment pilot plant with biological removal of organic matter and nutrients....

    [...]

References
More filters
Book
17 Mar 1994
TL;DR: In this article, an introduction to modern soil chemistry describes chemical processes in soils in terms of established principles of inorganic, organic, and physical chemistry, providing an understanding of the structure of the solid mineral and organic materials from which soils are formed.
Abstract: This introduction to modern soil chemistry describes chemical processes in soils in terms of established principles of inorganic, organic, and physical chemistry. The text provides an understanding of the structure of the solid mineral and organic materials from which soils are formed, and explains such important processes as cation exchange, chemisorption and physical absorption of organic and inorganic ions and molecules, soil acidification and weathering, oxidation-reduction reactions, and development of soil alkalinity and swelling properties. Environmental rather than agricultural topics are emphasized, with individual chapters on such pollutants as heavy metals, trace elements, and inorganic chemicals.

6,735 citations

Journal ArticleDOI
TL;DR: In this article, the authors present analytic rules for PID controller tuning that are simple and still result in good closed-loop behavior, including the half-rule for obtaining the effective time delay.

1,681 citations

Proceedings Article
01 Jan 1993

1,603 citations

01 Jan 1984

370 citations

Journal ArticleDOI
Yongho Lee1, Jeong Seok Lee1, Sunwon Park1
TL;DR: In this article, a new method for PID controller tuning based on process models for integrating and unstable processes with time delay is proposed, which gives better closed-loop performance than the existing methods.

248 citations