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|Title:||APPLICATION OF MICROCOMPUTERS IN ENERGY MONITORING AND ANALYSIS FOR MANUFACTURING INDUSTRIES||Authors:||YU ZHOUZHONG||Keywords:||computational efficiency, and realistic flight commands.||Issue Date:||1989||Citation:||YU ZHOUZHONG (1989). APPLICATION OF MICROCOMPUTERS IN ENERGY MONITORING AND ANALYSIS FOR MANUFACTURING INDUSTRIES. ScholarBank@NUS Repository.||Abstract:||The present research is focused on using microcomputers and expert systems for energy management in manufacturing plants. Energy management includes auditing, monitoring, analyzing, and diagnosing. Expert systems can be used for monitoring and diagnosing. The essential information of energy consumption and the common faults of energy-using equipment or processes in industrial plants are discussed and analyzed. A general program for energy auditing and monitoring in normal manufacturing plants is developed. When running the program, the energy consumption data, the production output data, and other information are recorded into a data base, processed into useful and meaningful indicators, and reported to the plant's energy managers or engineers. Based on the results of running the above monitoring program, a diagnostic program may then be run for further detecting and identifying the source of any energy consumption abnormality. A simple expert system using microcomputers for diagnosing energy consumption faults in major items of energy-intensive equipment or systems serves this purpose. As one example, a diagnostic expert system for industrial packaged boilers is developed, which is a case study of applications of expert systems for energy management in manufacturing industries. The expert system diagnoses faults directly from boiler operation data and then suggests the recommended solutions or the repair procedure for a problem that is identified. The monitoring program and the expert system are written in TURBO PASCAL on PC machines. They are all user-friendly and easy to install and use by inexperienced users. The rules in the expert system can easily be updated or extended. The application results of the programs are satisfactory. It shows that microcomputers and expert systems may assist plant managers or engineers greatly for good energy management in manufacturing plants. The expert system is still evaluation. It needs to be refined under testing and based on the test results. The number of rules in the system is quite small and further expansion and improvement are needed to make the system more reliable and useful. For future work, there are three major unresolved questions concerning the application of microcomputers and expert systems for energy management in manufacturing plants: (1) To extend the program and the system into an on-line system, with a~tomatic measuring and controlling for better erformance. (2) To extend the system into a multi-function procedure which can be used not only for energy management, but also for other purposes, such as condition monitoring, boiler maintenance, etc. (3) To develop several other expert sub-systems for air conditioning, lighting, etc., which are common energy-using sub-systems in industrial plants, and finally to implement them as a general expert system for energy auditing, monitoring, analyzing, and diagnosing in industry.||URI:||https://scholarbank.nus.edu.sg/handle/10635/153210|
|Appears in Collections:||Master's Theses (Restricted)|
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