KR101936995B1 - 모터 제어 방법 및 시스템 - Google Patents
모터 제어 방법 및 시스템 Download PDFInfo
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Abstract
Description
도 2는 본 발명의 일 실시형태에 따른 모터 제어 방법을 도시한 흐름도이다.
도 3은 본 발명의 일 실시형태에 따른 모터 제어 방법 및 시스템에서, 모터 소비 전류를 산출하는 개념을 설명하기 위한 도면이다.
30, 40, 50: 모터
Claims (15)
- 차량에 구비된 복수의 모터를 제어하는 방법에 있어서,
상기 복수의 모터에 공급되는 구동 전력을 저장하는 배터리의 충전 상태를 판단하는 단계;
상기 배터리의 충전 상태가 사전 설정된 기준값 이하인 경우, 상기 복수의 모터 각각의 현재 전류 소비량을 산출하는 단계; 및
상기 복수의 모터 각각의 현재 전류 소비량에 기반하여 상기 복수의 모터 각각에 공급 전력을 재설정하는 단계를 포함하며,
상기 산출하는 단계는, 상기 복수의 모터 각각의 현재 전류 소비량에 기반하여 상기 복수의 모터 간의 전력 공급에 대한 제1 우선순위를 결정하는 단계를 포함하고 상기 재설정하는 단계는, 상기 제1 우선순위가 낮을수록 공급되는 전력을 더 작게 설정하며,
상기 산출하는 단계는, 상기 제1 우선순위를 결정하는 단계 이후, 상기 복수의 모터 각각의 정격을 기반으로 제2 우선순위를 결정하는 단계를 더 포함하며, 상기 재설정하는 단계는, 상기 제1 우선순위 및 상기 제2 우선순위를 함께 고려한 통합 우선순위가 낮을수록 해당 모터로 공급되는 전력의 감소율을 더 크게 설정하는 것을 특징으로 하는 모터 제어 방법. - 삭제
- 삭제
- 청구항 1에 있어서,
상기 복수의 모터는 듀티가 조정되는 PWM 방식으로 구동전압이 인가되어 전력 공급이 이루어지는 것을 특징으로 하는 모터 제어 방법. - 삭제
- 삭제
- 청구항 1에 있어서,
상기 재설정하는 단계는, 상기 통합 우선순위가 동일한 모터가 존재하는 경우 상기 제1 우선순위를 기반으로 상기 제1 우선순위가 낮을 수록 해당 모터로 공급되는 전력의 감소율을 더 크게 설정하는 것을 특징으로 하는 모터 제어 방법. - 청구항 1에 있어서,
상기 제1 우선순위 및 상기 제2 우선순위 각각은 우선순위가 가장 높은 모터부터 순차적으로 부여되는 1 내지 n(n: 상기 복수의 모터의 수에 해당하는 자연수)의 우선순위값의 형태로 부여되며,
상기 재설정하는 단계는, 상기 제1 우선순위에 따른 우선순위값 및 상기 제2 우선순위에 따른 우선순위값을 합산한 결과에 기반하여, 상기 우선순위값이 클 수록 공급되는 해당 모터로 공급되는 전력의 감소율을 더 크게 설정하는 것을 특징으로 하는 모터 제어 방법. - 청구항 8에 있어서,
상기 재설정하는 단계는, 상기 제1 우선순위에 따른 우선순위값 및 상기 제2 우선순위에 따른 우선순위값을 합산한 결과가 동일한 경우, 상기 제1 우선순위에 따른 우선순위값이 클 수록 해당 모터로 공급되는 전력의 감소율을 더 크게 설정하는 것을 특징으로 하는 모터 제어 방법. - 배터리;
상기 배터리에 저장된 전력을 이용하여 구동되는 복수의 모터; 및
상기 배터리에 저장된 전력을 차량의 운행 상태에 기반하여 상기 복수의 모터로 공급하되 상기 모터로 인가되는 구동 전압을 듀티가 조정되는 PWM 방식으로 제어하는 제어부를 포함하며,
상기 제어부는 상기 배터리의 충전 상태가 사전 설정된 기준값 이하인 경우, 상기 복수의 모터 각각의 현재 전류 소비량을 산출하고, 상기 복수의 모터 각각의 현재 전류 소비량에 기반하여 상기 복수의 모터 각각에 공급 전력을 재설정하며,
상기 제어부는 상기 복수의 모터 각각의 현재 전류 소비량에 기반하여 상기 복수의 모터 간의 전력 공급에 대한 제1 우선순위를 결정하고, 상기 제1 우선순위가 낮을 수록 공급되는 전력을 더 작게 설정하며,
상기 제어부는, 상기 복수의 모터 각각의 현재 전류 소비량에 기반하여 상기 복수의 모터 간의 전력 공급에 대한 제1 우선순위를 결정하고, 상기 복수의 모터 각각의 정격을 기반으로 제2 우선순위를 결정하며, 상기 제1 우선순위 및 상기 제2 우선순위를 함께 고려한 통합 우선순위가 낮을 수록 공급되는 전력의 감소율을 더 크게 설정하는 것을 특징으로 하는 모터 제어 시스템. - 삭제
- 삭제
- 청구항 10에 있어서,
상기 제어부는, 상기 통합 우선순위가 동일한 모터가 존재하는 경우 상기 제1 우선순위를 기반으로 상기 제1 우선순위가 낮을 수록 공급되는 전력의 감소율을 더 크게 설정하는 것을 특징으로 하는 모터 제어 시스템. - 청구항 10에 있어서,
상기 제어부는, 상기 제1 우선순위 및 상기 제2 우선순위 각각은 우선순위가 가장 높은 모터부터 순차적으로 1 내지 n(n: 상기 복수의 모터의 수에 해당하는 자연수)의 우선순위값을 부여하며, 상기 제1 우선순위에 따른 우선순위값 및 상기 제2 우선순위에 따른 우선순위값을 합산한 결과에 기반하여, 상기 우선순위값이 클 수록 해당 모터로 공급되는 전력의 감소율을 더 크게 설정하는 것을 특징으로 하는 모터 제어 시스템. - 청구항 14에 있어서,
상기 제어부는, 상기 제1 우선순위에 따른 우선순위값 및 상기 제2 우선순위에 따른 우선순위값을 합산한 결과가 동일한 경우, 상기 제1 우선순위에 따른 우선순위값이 클 수록 공급되는 해당 모터로 제공되는 전력의 감소율을 더 크게 설정하는 것을 특징으로 하는 모터 제어 시스템.
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DE102017217685B4 (de) * | 2017-07-12 | 2021-10-14 | Ford Global Technologies, Llc | Anordnung zur Temperierung einer Batterie und weiterer elektrischer Komponenten eines Fahrzeugs, Fahrzeug sowie Verfahren zur Steuerung der Anordnung |
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