Journal Article10.1109/TIECI.1977.351472
A Microprocessor Speed Control System
A. K. Lin,W. W. Koepsel +1 more
48
TL;DR: An approach using digital techniques to control the speed of a chopper-fed D.C. motor using random logic circuits and an Intel 8080 microcomputer offers overall advantages in performance, price, flexibility, reliability and power requirements.
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Abstract: An approach using digital techniques to control the speed of a chopper-fed D.C. motor is discussed. This digital system consisting of random logic circuits and an Intel 8080 microcomputer offers overall advantages in performance, price, flexibility, reliability and power requirements.
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Citations
Phase-locked loop techniques. A survey
Guan-Chyun Hsieh,J.C. Hung +1 more
TL;DR: A concise review of the basic PLL principles applicable to communication and servo control systems is provided, the configurations of PLL applications are given and a number of popular PLL chips are reported.
875
A Microprocessor-Controlled Fast-Response Speed Regulator with Dual Mode Current Loop for DCM Drives
Tsutomu Ohmae,Toshihiko Matsuda,Toshitaka Suzuki,Noboru Azusawa,Kenzo Kamiyama,Tsutomu Konishi +5 more
TL;DR: In this article, a microprocessor is used to regulate the speed of a dc motor driven by antiparallel-connected three-phase dual thyristor converters, where a fast-response current controller is obtained by employing a nonlinear compensation subloop and a proportional plus integral compensation sub-loop.
63
Patent
Method of and an apparatus for controlling a plurality of DC motors
Yuukou Nojiri,Kosho Ishizaki,Giichi Ishida,Junshiro Inamura +3 more
- 18 Oct 1984
TL;DR: In this paper, a method and apparatus to control a plurality of DC motors each having an encoder by a sole microcomputer is presented, where the actual rotating speed of each DC motor is detected in response to the signal from the encoder.
43
Improved direct digital control algorithm for microprocessor implementation
TL;DR: In this article, an improved optimal regulator control system synthesis method has been developed in order to obtain good steady-state characteristics for the designed control system in spite of variations of the parameters of the controlled object.
39
Stability Analysis of Induction Motor Drives Using Phase-Locked Loop Control System
TL;DR: In this paper, a linear continuous model of an induction motor drive using a phase-locked loop speed control system was developed and the system response was analysed using conventional root locus techniques.
36
References
Patent
Digital speed control
Morris Sorkin
- 30 Apr 1970
TL;DR: In this article, a digital system for maintaining the speed of a motor vehicle at a preselected speed is presented, where the desired speed of the vehicle is set into a digital memory bank and the instantaneous actual speed of vehicle is determined by a digital readout.
31
A Digital Method for DC Motor Speed Control
TL;DR: In this article, a motor speed controller is presented using digital techniques to measure, compare, and correct motor speed, and it is shown how a direct extension of this design concept can easily bring steady-state error to well below 0.1% of maximum speed.
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