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Software Bang-Bang Algorithm을 이용한 DC Motor 전류제어
배종일,정동호,Bae, Jong-Il,Jung, Dong-Ho 한국기계가공학회 2003 한국기계가공학회지 Vol.2 No.4
The DC motor has the strong characteristics in the speed response, the system parameter variations and the external influence and is used as the speed controller with its good starting torque in the distributing industry. However development of the Microprocessor which is for high speed switching program can make better control system. This paper introduce to design of the high-effective DC motor controller that is using Software Bang-Bang Program of Fuzzy algorithm and to verity a PI controller and a Fuzzy controller.
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배종일,정동호,Bae, Jong-Il,Jung, Dong-Ho 한국기계가공학회 2003 한국기계가공학회지 Vol.2 No.4
DC series wound motor is commonly used for the industrial vehicles. Although it has good operating torque, heavy variations of parameters and nonlinear properties on friction and loads make it difficult to satisfy desired performance using conventional controllers. To solve this problem, fuzzy controller is proposed in this paper. The fuzzy controller has been designed based on the fuzziness of variables, it retains robustness even with nonlinearity.
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배종일(Jong-Il, Bae) 대한전기학회 2016 전기학회논문지 Vol.65 No.6
In order to establish the robust controller design technique of series wound motor driver system. This paper proposes a method of Bang-Bang controller using a series wound motor driver system under improperly variable load. A Bang-Bang controller structure is simpler than the structure of PID plus Bang-Bang controller. This paper shows that a general 8 bits microprocessor is used efficiently implementing such an algorithm. The calculation time of software is extremely small when compared with conventional PID plus Bang-Bang controller. Both nonlinear operating characteristics of digital switching elements and describing function methods are used for the analysis and synthesis. Real time implementation of Bang-Bang controller is achieved. Concept design strategy of the control and PWM waveform generation algorithms are presented in the paper.
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배종일(Jong-Il Bae),최연욱(Yeon-Wook Choe) 한국기계가공학회 2008 한국기계가공학회 춘추계학술대회 논문집 Vol.2008 No.-
Rased on fuzzy logic algorithm this paper constructed fuzzy logic controller for automated vehicles. For passenger's convenience especially comfortability controller need to reduce the frequency of input varible's changing. So we established membership functions for comfortability as well as speed following. It made possible to control comfortability directly. To demonstration the efficiency of fuzzy logic controller by using Ziegler-Nichols tunning method. Second, we calculated time response for each controller, then we compared the speed patterns of fuzzy controlled system and PID controlled system. Also we compared the difference of input variable. By comparing two controller's response, we can confirm the merit of fuzzy controller about comforability. Fuzzy controller can reduce input changing frequency.
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배종일(Jong-IL Bae),허영환(Young-Hwan Heo) 대한전기학회 2010 대한전기학회 학술대회 논문집 Vol.2010 No.4
It is trend that system for an advanced water treatment is magnified gradually without was so old that make use of horse called system for an advanced water treatment in domestic. In this paper applied Zig-Bee regarding advanced water treatment considered it with an examination regard ing network. It can manage equipment of cleaning bed by numbe r of persons who write if detect data detection in wid e cleaning bed through Zig-Bee communication and is easy because also administration of data consists of real time.
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배종일(Jong-IL Bae) 대한전기학회 2010 대한전기학회 학술대회 논문집 Vol.2010 No.11
The Doppler ultrasound system was designed and used to detect information on flow motion. The Doppler output spectrum of a moving target is achieved by utilizing the Doppler principle. Most diagnostic ultrasound system is to separate moving target echoes from relatively stationary target echoes. When we observed a moving target using a suitably configured Doppler system, It is shown that for a single approaching target the output spectrum which Doppler system produces is time-dilated replica of the received echo signal. On the other hand, for a receding target the output is time inverted as well as dilated. Doppler output spectra for moving target are presented theoretically, the results are used to calculate an expression for the output spectra of a pulsed Doppler system, and confirmed experimentally.
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