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3 edition of Fault diagnosis of a heat exchanger system using unknown input observers. found in the catalog.

Fault diagnosis of a heat exchanger system using unknown input observers.

Howard Hao-Yuan Chou

Fault diagnosis of a heat exchanger system using unknown input observers.

by Howard Hao-Yuan Chou

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  • 29 Currently reading

Published by National Library of Canada in Ottawa .
Written in English


Edition Notes

SeriesCanadian theses = -- Thèses canadiennes
The Physical Object
Pagination2 microfiches : negative. --
ID Numbers
Open LibraryOL21294182M
ISBN 100612534286

Example A counter flow heat exchanger is used to cool kg/hr of oil (c p = kJ/kgK), from °C to 35°C by the use of water entering at 17°C. If the overall heat transfer coefficient is expected to be kW/m 2 k, make calculations for the water flow rate, the surface area required and the effectiveness of heat exchanger. Presume that the exit temperature of water is not to. Modeling and Identification of Heat Exchanger Process THERMAL SCIENCE: Year , Vol. 21, No. 6B, pp. Since the model is an approximation to the true system, there is trade-off between the simplic-ity of the model and the accuracy of its prediction. Block structure models, series of static.

CONTENTS VOLUME XVI Fault Diagnosis and Fault-tolerant Control 1 Paul M Robust FDI design using unknown input observers 6. Robust FDI design using eigenstructure assignment Fault Diagnosis of a Heat Exchanger Modeling and Identification Model-Based Fault Detection. INTERNATIONAL JOURNAL OF COMPUTERS COMMUNICATIONS & CONTROL (IJCCC), With Emphasis on the Integration of Three Technologies (C & C & C), ISSN IJCCC was founded in , at Agora University, by Ioan DZITAC (Editor-in-Chief), Florin Gheorghe FILIP (Editor-in-Chief), and Misu-Jan MANOLESCU (Managing Editor).Author: Wafa Gritli, Hajer Gharsallaoui, Mohamed Benrejeb, Pierre Borne.

State-observers for semi-active suspension control applications with low sensitivity to unknown road surfaces. Towards a new fault diagnosis system for electric machines based on dynamic probabilistic models. Fault diagnosis in a heat exchanger using process history based-methods.   What type of heat exchanger are you talking about? I only know how to analyze two, cross-flow and counter flow. Both are analyzed using the LMTD method or the ε-NTU method. So if your exchanger is one of those two, I can probably give you some help. But I am not sure as to the parameters in your equations that you posted.


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Fault diagnosis of a heat exchanger system using unknown input observers by Howard Hao-Yuan Chou Download PDF EPUB FB2

Fault Diagnosis of A Heat Exchanger System Using Unknown Input Observers Master of Applied Science, ZOO0 Howard Hao-Yuan Chou Department of Electrical and Computer Engineering University of Toronto In this thesis, the fault diagnosis of a heat exchanger system.

consisting of two heat exchangers in series. is investigated. The by: 1. In [11], the authors present a sensor fault detection and isolation system for a counter-current flow double pipe heat exchanger, the FDI system was designed using a bank of nonlinear high-gain.

Unknown input modeling and robust fault diagnosis using black box observers Article in Journal of Process Control 19(1) January with 91 Reads How we measure 'reads'. Fault Diagnosis in a Heat Exchanger using Process History Based-Methods Juan C.

Tudón-Martínez, a Ruben Morales-Menendez, b Luis E. Garza-Castañón, c a PhD Student, b Associate Director of Research, c Graduate Program Coordinator, Tecnológico de Monterrey, Av.

Garza Sada, Monterrey N.L., México, {A, rmm Cited by: 6. This paper deals with sensor and process fault de-tection, isolation (FDI) and identification of an in-tensified heat -exchanger/reactor.

Extended high gain observers are adopted for identifying sensor faults and guaranteeing accurate dynamics since they can simultaneous ly estimat e Author: Mei Zhang, Boutaïeb Dahhou, Michel Cabassud, Zetao Li. By way of introduction, we first address the definitions and nomenclature used in the area of process fault diagnosis.

The term fault is generally defined as a departure from an acceptable range of an observed variable or a calculated parameter associated with a process (Himmelblau, ).This defines a fault as a process abnormality or symptom, such as high temperature in a reactor or low Cited by: The heat exchanger is a particularly significant component of the ECS, because its failure decreases the system’s efficiency, which can lead to catastrophic consequences.

Fault diagnosis of the heat exchanger is necessary to prevent risks. However, two problems hinder the implementation of the heat exchanger fault diagnosis in by: 7.

Hao-Yuan Chou, H. Fault diagnosis of a heat exchanger system using unknown input observers. Master’s thesis, University of Toronto, Graduate Department of Electrical and Cornputer Engineering. Google ScholarAuthor: W. Borutzky. Zhuohuan H., Lulu W., Mo Y.

() Heat Transfer-Based Fault Diagnosis for Heat Exchanger of Aircraft Environmental Control System. In: Huang B., Yao Y. (eds) Proceedings of the 5th International Conference on Electrical Engineering and Automatic Control.

Lecture Notes in Electrical Engineering, vol Springer, Berlin, HeidelbergAuthor: H. Zhuohuan, W. Lulu, Y. In order to improve the degree of digital urban central heating system in our country、manage many heat exchangers in the central heating system and timely and accurately diagnose with scale or jam faults of heat exchangers in the operation process, from the viewpoint of engineering application, this paper established the intelligent fault diagnosis system of plate heat exchanger, aimed at Author: Yan Ping An.

This chapter develops a two-level fault diagnosis (FD) and root cause analysis (RCA) scheme for a class of interconnected invertible dynamic systems and aims at detecting and identifying actuator fault and the causes. By considering actuator as an individual dynamic subsystem connected with process dynamic subsystem in cascade, an interconnected system is then : Mei Zhang, Ze-tao Li, Boutaib Dahhou, Michel Cabassud.

Using this idea, the fault diagnosis scheme proposed in this paper is based on local fault filtering, each subsystem is assigned to monitor one subsystem and provided a decision regarding its health. In particular, the connection point between the two subsystems is not accessible to measurements.

An input. Data-driven Design of Fault Diagnosis and Fault-tolerant Control Systems presents basic statistical process monitoring, fault diagnosis, and control methods and introduces advanced data-driven schemes for the design of fault diagnosis and fault-tolerant control systems catering to the needs of dynamic industrial processes.

In this article, a toolbox based on a monitoring and control interface (MCI) is presented and applied in a heat exchanger. The MCI was programed in order to realize sensor fault detection and isolation and fault tolerance using virtual sensors.

The virtual sensors were designed from model-based high-gain observers. To develop the control task, different kinds of control laws were included in Cited by: 2. Diagnosis of Heat Exchanger Scales in Cooling Water Systems Kameli, Mohammad; Esmaeili, Naser*+; Rahimi Mofrad, Hossein Chemical and Petrochemical Division, Research Institute of Petroleum Industry, P.O.

Box: Tehran, I.R. IRAN ABSTRACT: An experimental database is compiled in order to fingerprint the scales formed over. What Is a Heat Exchanger. The heat exchanger is the furnace component that heats air. It is a set of metal tubes or coils that connects to the burner assembly and ends at the vent or flue pipe.

Air and gas are separated within the heat exchanger to prevent mixing and exposure to harmful combustion byproducts, such as carbon monoxide.

in the heat exchanger. By using suitable diagnosis methods with these real time data, the possibility of occurrence of faults can be diagnosed and remedial measures will also be recommended.

Keywords Heat transfer coefficient, fault diagnosis, shell and tube heat exchanger, fault detection. INTRODUCTION. For safety-related processes fault-tolerant systems with redundancy are required in order to reach comprehensive system integrity.

This book is a sequel of the book “Fault-Diagnosis Systems” published inwhere the basic methods were described. A defective heat exchanger can affect the efficiency of your HVASC system or your water boilers.

Care must be taken when dealing with heat exchanger problems as the tubing inside is easily damaged. It is best to consult your owner’s manual when attempting any heat exchanger repairs and if the help you need is not to be found there, getting. THE DOCUMENTATION BOOK – Furnace Heat Exchanger Failure.

Sometimes technicians need A BACK-UP AUTHORITY. They need the Documentation Book for furnace heat exchanger failure. It’s been estimated t, lawsuits are filed every year at a cost of over $ BILLION annually.

This amounts to two percent of the U.S. Gross Domestic Product. We will talk about what a furnace heat exchanger is, how it works and what you should do if yours fails. What is a heat exchanger? Simply put, the heat exchanger is the part of your furnace that puts heat into your home, separating the combustion process from your breathing air.

Air is heated as it blows across the hot surface of the heat.in-out pipe of heat-exchanger, and wet bulb temperature difference is a key to decrease the heat transfer in air side for finned-tube heat-exchanger. This paper gives a theoretical instruction for designing the measurement system of a finned-tube heat-exchanger test-board.A step change is given to the inlet steam flow to heat exchanger (FCV-1) and temperature (TT-3) of heat exchanger is observed.

System Identification: From experimentation the data is acquired which is used for System Identification to obtain mathematical model.