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This paper proposes a novel fault detection algorithm in a brushless DC (BLDC) motor drive system. This proposed method is configured without the additional sensor for fault detection and identification. The fault detection and identification are achieved by a simple algorithm using the operating characteristic of the BLDC motor. The drive system after the fault identification is reconfigured by four-switch...
This paper proposes a novel fault detection algorithm for a brushless DC (BLDC) motor drive system. This proposed method is configured without the additional sensor for fault detection and identification. The fault detection and identification are achieved by a simple algorithm using the operating characteristic of the BLDC motor. The drive system after the fault identification is reconfigured by...
In this paper, the fault tolerant system for BLDC motors has been proposed to maintain the control performance under switching device faults of inverter. The proposed fault tolerant system provides compensation for open-circuit faults and short-circuit faults in power converter. The fault identification is quickly achieved by simple algorithm using the characteristic of BLDC motor drives. The drive...
In this paper, the fault tolerant system for BLDC motor has been proposed to maintain the control performance under the open fault of inverter. The fault identification method is proposed to two different types. The one is the method by the difference between reference and actual current. The other is the method using additional voltage sensors across lower legs of inverter. The reconfiguration scheme...
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