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석동주(Dong ju Seok),하상민(Sang min Ha),이태민(Tae Min Lee),이상태(Sang Tae Lee),박종식(Jong Sik Park) 대한기계학회 2012 대한기계학회 춘추학술대회 Vol.2012 No.11
Recently, the BLDC(Brushless DC)Motor are one of the types rapidly gaining popularity. BLDC motor are used in industries Appliance, Automotive, Aerospace, Medical, Industrial Automation Equipment. BLDC Motor have many advantage of high dynamic response, high efficiency, long operating life, higher speed range. in this paper, we propose the modeling of the BLDC Motor. PIV control algorithm using the proposed modeling can simulate control gain. In addition, demonstrate the effectiveness of simulated gain using the BLDC driver.
이재령(Jaeryung Lee),김성진(Seong Jin Kim),박현달(Hyundal Park) 한국자동차공학회 2011 한국자동차공학회 학술대회 및 전시회 Vol.2011 No.11
This paper describes the weight reduction technology of brushless DC (BLDC) motor with both advanced magnetic powder core instead of Si sheet steel core and copper cladding aluminum (CCA) instead of copper winding. In order to apply the high-density magnetic core for BLDC motor, the warm compaction process with die wall lubrication was used in this work. In general, the density of magnetic core is strongly associated with the core loss. The motor efficiency was improved as the magnetic core density was increased. Results showed that the oil pump motor using the advanced magnetic powder core was decreased about 10% in size and reduced about 10% in weight comparing to the convention motor with Si sheet steel core. Consequently, the motor and oil pump system containing the advanced powder core was satisfied the requirements during the performance and durability test.