Accession Number : AD0483588

Title :   A TRANSISTORIZED RELAY SERVO.

Descriptive Note : Master's thesis,

Corporate Author : NAVAL POSTGRADUATE SCHOOL MONTEREY CA

Personal Author(s) : Johnson, Stephen, Jr. ; Pidgeon, Robert Huntley

Report Date : MAY 1966

Pagination or Media Count : 108

Abstract : Bidirectional control of a DC motor is achieved with standard power transistors and a simple transistorized preamplifier, A permanent magnet, DC motor is used as the test vehicle to illustrate the feasibility of control without an amplidyne or mechanical relay. The 'bang-bang', capability of the controller to operate as a near-ideal 'relay' is emphasized. The inherent flexibility allowed in selecting the switching characteristics is also demonstrated. The discussion points toward practical application and stresses the analysis of the switching characteristics and system performance. The feasibility of using this controller to operate any other type of standard DC motor is also studied. (Author)

Descriptors :   (*ELECTRIC RELAYS, TRANSISTORS), (*SERVOMECHANISMS, ELECTRIC RELAYS), ELECTRIC MOTORS, DIRECT CURRENT, ARMATURES, COILS, CONTROL SYSTEMS, SERVOMECHANISMS, MAGNETIC FIELDS, FEEDBACK, POWER AMPLIFIERS, PERFORMANCE(ENGINEERING), ELECTRICAL NETWORKS.

Subject Categories : Electrical and Electronic Equipment

Distribution Statement : APPROVED FOR PUBLIC RELEASE