• Title/Summary/Keyword: BLDC 모터

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Development of a Low-cost Type Single Phase BLDCM and Driver (저가형 단상 BLDC 모터 및 드라이버 개발)

  • Kim, Chang-Hwan;Joo, Daesuk;Shin, Duck-Shick;Cho, Ju-Hee;Lee, Sang-Taek;Kim, Hee-Jun;Lee, Kwang-Woon;Kim, Dae-Kyong
    • Proceedings of the KIPE Conference
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    • 2011.07a
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    • pp.565-566
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    • 2011
  • 본 논문에서는 팬 구동용 저가형 단상 BLDC 모터 설계 및 드라이버 회로를 제안 하였다. 제안한 모터 및 드라이버의 시제품을 제작 하여 기존의 팬 구동용 3상 BLDC 모터 및 드라이버 대비 효율, 소음, 가격적인 측면을 비교 수행 하였다. 비교 결과 가격적인 측면에서 20% 정도의 절감효과를 얻음으로서 본 논문에서 제안한 단상 BLDC 모터 및 드라이버의 유용성을 확인하였다.

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Development of BLDC Motor Driven Cryogenic Thrust Control Valve for Liquid Propellant Rocket Engine (BLDC 모터로 구동되는 액체 추진제 로켓엔진용 극저온 추력제어밸브 개발)

  • Jung, Tae-Kyu;Lee, Soo-Yong
    • Journal of the Korean Society for Aeronautical & Space Sciences
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    • v.38 no.10
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    • pp.1026-1030
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    • 2010
  • This paper summarizes the activities performed for the development of a BLDC(Brushless Direct Current) motor driven cryogenic thrust control valve with application to KSLV-II rocket engine. The developed thrust control valve can modulate the flow rate of liquid oxygen under cryogenic temperature of 90K and high pressure of 113.2 bar with the help of electro-mechanical actuator driven by a BLDC motor. This valve can be applied to an engine combustion test after minor change because all development certification test have been performed successfully.

Design of a Hub BLDC Motor Driving Systems for the Patrol Vehicles (경계형 차량 구동용 허브 bldc 전동기 구동시스템 설계)

  • Park, Won-seok;Kunn, Young;Lee, Sang-hunn;Choi, Jung-keyng
    • Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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    • 2013.10a
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    • pp.612-615
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    • 2013
  • Hub BLDC(Brushless Direct Current) motor, called wheel-in motor is a outer rotor type high efficient direct driving motor which have a multi-pole permanent magnet type rotor as a driving wheel. This study shows a hub BLDC motor speed controller design methode using PIC micro controller to drive 2 wheels or 3 wheels driving body having hub motor driving shaft. The motor driver unit consists of six discrete MOSFET switching devices and the gate driving module is directly designed for high economy.

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Design and implementation of BLDC motor drive logic using SVPWM method with FPGA (FPGA를 활용한 SVPWM방식의 정현파 BLDC 모터 구동 로직 설계 및 구현)

  • Jeon, Byeong-chan;Park, Won-Ki;Lee, Sung-chul;Lee, Hyun-young
    • Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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    • 2016.10a
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    • pp.652-654
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    • 2016
  • This paper shows the Design and implementation of sinusoidal BLDC motor drive logic using SVPWM method with FPGA. Sinusoidal BLDC motor driver logic consists of sine-wave PWM generator, dead-time and lead angle control logic. PWM generator logic is designed using SVPWM method for increase of 15.5% linear domain than general sine-wave PWM. This logic is verified and implemented using Spartan-6 FPGA Board. Test results show that THD(Total Harmonic Distortion) of motor-driving current is 19.2% and rotor position resolution is 1.6 degree.

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Estimation current reference using Fuzzy-Neural networks for BLDC motor (퍼지-뉴럴 네트워크를 이용한 BLDC 모터 전류 기준값 추정)

  • Hwang, Chan-Gil;Park, Ki-Kwang;Kim, Dong-Ok;Yang, Hai-Won
    • Proceedings of the KIEE Conference
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    • 2009.07a
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    • pp.1648_1649
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    • 2009
  • BLDC는 낮은관성, 빠른응답, 높은 전력밀도, 높은 신뢰성 및 유지보수를 요구하지 않기 때문에 산업용 어플리케이션에 널리 이용되고 있다. BLDC는 종래의 영구자석 DC모터의 운영 특성을 보이고 있지만 기계적인 정류자와 브러쉬를 제거 하였다. BLDC의 경우 자속이 일정하기 때문에 속도 제어가 중요하다. 회전자의 속도를 제어하기 위해 전류 지령치를 퍼지 뉴럴 네트워크를 이용하여 제어치를 추정한다.

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Development of a BLDC motor driver using a common AC source (상용 교류 전원을 이용한 BLDC 모터 드라이버 개발)

  • 김성태;강태삼;홍선기
    • Proceedings of the KAIS Fall Conference
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    • 2001.05a
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    • pp.135-138
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    • 2001
  • 본 논문에서는 교류 전원인 220V 전원을 간단한 다이오드 및 커패시터만으로 정류한 후 BLDC 모터를 구동할 수 있는 드라이버를 개발하였다. 구동단은 저렴한 전력용 트랜지스터와 FET를 사용함으로써 비용을 줄일 수 있게 하였으며, 실험 결과 잘 동작함을 확인하였다.

Development of BLDC Motor for HEV Engine Cooling and Battery Cooling System (하이브리드 차량의 엔진 및 배터리 냉각팬 구동용 BLDC모터 개발)

  • Lee, Daewoong
    • Transactions of the Korean Society of Automotive Engineers
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    • v.23 no.2
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    • pp.153-160
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    • 2015
  • Hybrid Electric Vehicles(HEVs) have seriously come into prevalence recently as car manufacturers and consumers have become more aware of the environmental and economic problems of conventional vehicles. For the alternative power-train and battery cooling systems in HEVs, an effective thermal management system is required, and many automakers are interested in using Brushless DC(BLDC) motors for cooling fans for the overall traction unit's performance and energy saving capability. This paper presents the development status of BLDC motors as major parts of the power-train, i.e. the engine cooling and battery cooling fans of HEVs. A design that uses BLDC motors for the power-train and each battery cooling fan, is successfully implemented through using electro-magnetic analysis, and prototype BLDC motors are examined. As experimental results, the BLDC motors achieved an efficiency of 85% as engine cooling fans and 72% as a battery thermal management fan motor. The electric cogging noise is significantly reduced by changing the skew of the slot pitch angle and optimizing the magnetic shape.

A Research on the Design of Slotless BLDC Motor for Concrete Vibrator (콘크리트 바이브레이터에 적용하기 위한 Slotless BLDC 모터 설계에 관한 연구)

  • Kim, Young-Hun;Jin, Chang-Sung;Kim, Jae-Hyuck
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.20 no.3
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    • pp.465-469
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    • 2019
  • In this paper, the design of BLDC (brushless direct current) motors based on torque and back-EMF equations was carried out to assess the application of the motor in concrete vibrators. The air gap flux density of the motor is an important parameter because the length of the motor and the size of the diameter are given. The air gap magnetic flux density was calculated through a simplified magnetic circuit, and basic design of the shape and dimensions of the motor were then determined by carrying out experiments based on torque, back-EMF, and air magnetic flux density equations. After setting the outer and inner diameters, stack lengths, and rated speed of the motor, a detailed design was performed by simulations using the finite element method by designating the diameter and thickness of the motor as the key parameters. The final design to satisfy the target torque and the lowest THD (Total Harmonic Distortion) was carried out along with a simulation.

MPPT Control of PV Water Pumping Using BLDC Motor-Inverter (BLDC 모터용 인버터를 이용한 PV 양수펌프의 MPPT 제어)

  • 김성남;백승길;조정민;이승환;오봉환;이훈구;한경희
    • The Transactions of the Korean Institute of Power Electronics
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    • v.6 no.6
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    • pp.498-505
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    • 2001
  • This paper shows how to design a global control of water pumping system using PV array, and tracked maximum power point of PV array only the inverter using the vector control of BLDC motor, and finding the relationships among the DC magnitudes and AC ones in order to omit the DC/DC converter. Conventional MPPT controller was unstable of reason of the ripple-current of DC link in three-phase invertor. Thus, in this paper the control algorithm of BLDC motor using $i_qs$ current is composed to improve the insecurity of conventional MPPT controller To prove the excellence of the proposed method, the contents of this paper is analyzed by means of simulation and testing for the results applying the method that J. A Domfnguez had applied to asynchronous motor to BLDC motor and that of the proposed method in this paper.

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