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A circuit design to generate and maintain a constant magnetic flux

by Chalermchai Tuntawiroon

Institution:	Oregon State University
Department:	Electrical and Electronics Engineering
Degree:	MS
Year:	1969
Keywords:	Electronic circuit design
Posted:
Record ID:	1509869
Full text PDF:	http://hdl.handle.net/1957/46215

Abstract

A circuit designed to generate and maintain a constant magnetic flux is presented by using a sample-data control system, instead of a continuous control system. A Hall generator is used as the magnetic sensing element, and is operated with a pulse bias to allow a large output. The output of the Hall generator is compared to a reference signal, and strobed to obtain an output pulse with low distortion. These techniques are discussed in detail A block diagram of the system with some important requirements are discussed as well as the method of the circuit design. The method of testing the system in order to determine the stability of the system is described. The complete system shows that it is possible to obtain good results and may be applied to a larger system if required.