KR20220121976A - 하이브리드 차량의 배터리 soc 제어 장치 및 방법 - Google Patents
하이브리드 차량의 배터리 soc 제어 장치 및 방법 Download PDFInfo
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- KR20220121976A KR20220121976A KR1020210025999A KR20210025999A KR20220121976A KR 20220121976 A KR20220121976 A KR 20220121976A KR 1020210025999 A KR1020210025999 A KR 1020210025999A KR 20210025999 A KR20210025999 A KR 20210025999A KR 20220121976 A KR20220121976 A KR 20220121976A
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- B60L15/2045—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed for optimising the use of energy
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Abstract
Description
도 2는 본 발명의 일 실시 예에 따른 배터리 SOC 제어 장치의 블록구성도를 도시한다.
도 3은 본 발명의 일 실시 예에 따른 하이브리드 차량의 배터리 SOC 제어 방법을 도시한 흐름도이다.
도 4는 본 발명의 실시 예들에 따른 경로 설정 화면을 도시한 도면이다.
도 5는 본 발명의 실시 예들에 따른 배터리 SOC 설정 화면을 도시한 도면이다.
도 6은 본 발명의 실시 예들에 따른 설정 가능한 SOC 범위를 표시한 예시도이다.
도 7은 본 발명의 실시 예들에 따른 충전 가능한 SOC 범위를 표시한 예시도이다.
도 8은 본 발명의 실시 예들에 따른 충전 효율이 반영된 충전 가능 SOC 범위 표시 화면을 도시한 예시도이다.
도 9는 본 발명의 실시 예들에 따른 충전 프로파일을 도시한 그래프이다.
도 10은 본 발명의 제1 실시 예에 따른 배터리 SOC 변화를 도시한 그래프이다.
도 11은 본 발명의 제2 실시 예에 따른 배터리 SOC 변화를 도시한 그래프이다.
도 12는 본 발명의 실시 예들에 따른 SOC 밸런스 레벨 기반 배터리 SOC 제어에 따른 배터리 SOC 변화를 도시한 그래프이다.
도 13은 본 발명의 제3 실시 예에 따른 배터리 SOC 변화를 도시한 그래프이다.
도 14는 본 발명의 제4 실시 예에 따른 배터리 SOC 변화를 도시한 그래프이다.
도 15는 본 발명의 제5 실시 예에 따른 배터리 SOC 변화를 도시한 그래프이다.
도 16은 본 발명의 실시 예들에 따른 엔진 출력의 일 예를 도시한 그래프이다.
도 17은 본 발명의 실시 예들에 따른 엔진 출력의 다른 일 예를 도시한 그래프이다.
도 18은 본 발명의 실시 예들에 따른 배터리 SOC 제어 방법을 실행하는 컴퓨팅 시스템을 보여주는 블록도이다.
Claims (22)
- 적어도 하나의 프로세서를 포함하고,
상기 프로세서는,
목적지가 설정되면 SOC 설정 기능을 활성화하여 차량의 운행 종료 시 배터리 SOC를 설정하고,
설정된 배터리 SOC가 고효율로 충전 가능한 SOC 이하인지를 확인하고,
상기 설정된 배터리 SOC가 고효율로 충전 가능한 SOC 이하이면, 상기 차량이 목적지 도착 시 배터리 SOC가 상기 설정된 배터리 SOC에 도달하도록 배터리 SOC 제어를 수행하는 것을 특징으로 하는 하이브리드 차량의 배터리 SOC 제어 장치.
- 청구항 1에 있어서,
상기 프로세서는,
상기 SOC 설정 기능을 활성화하며 설정 가능한 SOC 범위 및 목적지까지 주행 시 충전 가능한 SOC 범위를 디스플레이 화면에 표시하는 것을 특징으로 하는 하이브리드 차량의 배터리 SOC 제어 장치.
- 청구항 1에 있어서,
상기 프로세서는,
상기 SOC 설정 기능 활성화 시 저장부에 저장된 SOC 설정 이력을 참조하여 상기 운행 종료 시 배터리 SOC를 자동으로 설정하는 것을 특징으로 하는 하이브리드 차량의 배터리 SOC 제어 장치.
- 청구항 1에 있어서,
상기 고효율로 충전 가능한 SOC는,
상기 목적지까지 엔진을 최적효율점(OOL)로 운전하는 경우 예상되는 배터리 SOC인 것을 특징으로 하는 하이브리드 차량의 배터리 SOC 제어 장치.
- 청구항 1에 있어서,
상기 고효율로 충전 가능한 SOC는,
상기 목적지까지의 주행 거리가 기준 거리 이상인 경우 설정 가능 최대 SOC로 설정되는 것을 특징으로 하는 하이브리드 차량의 배터리 SOC 제어 장치.
- 청구항 5에 있어서,
상기 기준 거리는,
상기 목적지와 상기 차량의 현재 위치의 고도 정보에 근거하여 가변되는 것을 특징으로 하는 하이브리드 차량의 배터리 SOC 제어 장치.
- 청구항 1에 있어서,
상기 프로세서는,
상기 설정된 배터리 SOC가 SOC 밸런스 레벨을 초과하는 경우, 주행 경로 정보를 활용하여 충전 프로파일을 설정하고, 설정된 충전 프로파일을 바탕으로 엔진 운전점을 제어하여 배터리를 충전하는 것을 특징으로 하는 하이브리드 차량의 배터리 SOC 제어 장치.
- 청구항 1에 있어서,
상기 프로세서는,
현재 배터리 SOC가 상기 설정된 배터리 SOC보다 낮은 경우, 주행 부하가 낮을 때 EV 모드로의 주행 모드 전환을 금지하고 엔진을 최적효율점에서 운전하여 주행에 필요한 에너지를 제외한 나머지 에너지로 배터리를 충전하는 것을 특징으로 하는 하이브리드 차량의 배터리 SOC 제어 장치.
- 청구항 1에 있어서,
상기 프로세서는,
현재 배터리 SOC가 상기 설정된 배터리 SOC보다 높은 경우, 상기 설정된 배터리 SOC를 SOC 밸런스 레벨로 설정하여 배터리 SOC가 상기 설정된 배터리 SOC에 수렴하도록 제어하는 것을 특징으로 하는 하이브리드 차량의 배터리 SOC 제어 장치.
- 청구항 9에 있어서,
상기 프로세서는,
상기 설정된 배터리 SOC가 기정해진 기준 SOC 이상으로 설정된 경우, SOC 밸런스 레벨을 상기 설정된 배터리 SOC 보다 낮게 설정하여 배터리 SOC 제어를 수행하고, 상기 차량이 목적지에 근접하면 상기 설정된 배터리 SOC까지 배터리를 충전하는 것을 특징으로 하는 하이브리드 차량의 배터리 SOC 제어 장치.
- 청구항 1에 있어서,
상기 프로세서는,
상기 설정된 배터리 SOC가 기정해진 기준 SOC 이상으로 설정된 경우, SOC 밸런스 레벨을 상기 설정된 배터리 SOC 보다 낮게 설정하여 배터리 SOC 제어를 수행하고, 배터리 SOC가 상기 SOC 밸런스 레벨에 도달하면 배터리 SOC가 상기 SOC 밸런스 레벨을 기준으로 스윙하도록 제어하고, 상기 차량이 목적지에 근접하면 상기 설정된 배터리 SOC까지 배터리를 충전하는 것을 특징으로 하는 하이브리드 차량의 배터리 SOC 제어 장치.
- 목적지가 설정되면 SOC 설정 기능을 활성화하여 차량의 운행 종료 시 배터리 SOC를 설정하는 단계;
상기 설정된 배터리 SOC가 고효율로 충전 가능한 SOC 이하인지를 확인하는 단계; 및
상기 설정된 배터리 SOC가 고효율로 충전 가능한 SOC 이하이면, 상기 차량이 목적지 도착 시 배터리 SOC가 상기 설정된 배터리 SOC에 도달하도록 배터리 SOC 제어를 수행하는 단계를 포함하는 것을 특징으로 하는 하이브리드 차량의 배터리 SOC 제어 방법.
- 청구항 12에 있어서,
상기 배터리 SOC를 설정하는 단계는,
상기 SOC 설정 기능 활성화 시 설정 가능한 SOC 범위 및 목적지까지 주행 시 충전 가능한 SOC 범위를 디스플레이 화면에 표시하는 단계를 포함하는 것을 특징으로 하는 하이브리드 차량의 배터리 SOC 제어 방법.
- 청구항 12에 있어서,
상기 배터리 SOC를 설정하는 단계는,
상기 SOC 설정 기능 활성화 시 저장부에 저장된 SOC 설정 이력을 참조하여 상기 운행 종료 시 배터리 SOC를 자동으로 설정하는 단계를 더 포함하는 것을 특징으로 하는 하이브리드 차량의 배터리 SOC 제어 방법.
- 청구항 12에 있어서,
상기 설정된 배터리 SOC가 고효율로 충전 가능한 SOC 이하인지를 확인하는 단계는,
상기 목적지까지 엔진을 최적효율점(OOL)로 운전하는 경우 예상되는 배터리 SOC를 상기 고효율로 충전 가능한 SOC로 설정하는 단계를 포함하는 것을 특징으로 하는 하이브리드 차량의 배터리 SOC 제어 방법.
- 청구항 12에 있어서,
상기 설정된 배터리 SOC가 고효율로 충전 가능한 SOC 이하인지를 확인하는 단계는,
상기 목적지까지의 주행 거리가 기준 거리 이상인 경우 상기 고효율로 충전 가능한 SOC를 설정 가능 최대 SOC로 설정하는 단계를 더 포함하는 것을 특징으로 하는 하이브리드 차량의 배터리 SOC 제어 방법.
- 청구항 16에 있어서,
상기 기준 거리는,
상기 목적지와 상기 차량의 현재 위치의 고도 정보에 근거하여 가변되는 것을 특징으로 하는 하이브리드 차량의 배터리 SOC 제어 방법.
- 청구항 12에 있어서,
상기 배터리 SOC 제어를 수행하는 단계는,
상기 설정된 배터리 SOC가 SOC 밸런스 레벨을 초과하는 경우, 주행 경로 정보를 활용하여 충전 프로파일을 설정하는 단계; 및
상기 설정된 충전 프로파일을 바탕으로 엔진 운전점을 제어하여 배터리를 충전하는 단계를 포함하는 것을 특징으로 하는 하이브리드 차량의 배터리 SOC 제어 방법.
- 청구항 12에 있어서,
상기 배터리 SOC 제어를 수행하는 단계는,
현재 배터리 SOC가 상기 설정된 배터리 SOC보다 낮은 경우, 주행 부하가 낮을 때 EV 모드로의 주행 모드 전환을 금지하고 엔진을 최적효율점에서 운전하여 주행에 필요한 에너지를 제외한 나머지 에너지로 배터리를 충전하는 단계를 포함하는 것을 특징으로 하는 하이브리드 차량의 배터리 SOC 제어 방법.
- 청구항 12에 있어서,
상기 배터리 SOC 제어를 수행하는 단계는,
현재 배터리 SOC가 상기 설정된 배터리 SOC보다 높은 경우, 상기 설정된 배터리 SOC를 SOC 밸런스 레벨로 설정하여 배터리 SOC가 상기 설정된 배터리 SOC에 수렴하도록 제어하는 단계를 포함하는 것을 특징으로 하는 하이브리드 차량의 배터리 SOC 제어 방법.
- 청구항 20에 있어서,
상기 배터리 SOC 제어를 수행하는 단계는,
상기 설정된 배터리 SOC가 기정해진 기준 SOC 이상으로 설정된 경우, SOC 밸런스 레벨을 상기 설정된 배터리 SOC 보다 낮게 설정하여 배터리 SOC 제어를 수행하는 단계; 및
상기 차량이 목적지에 근접하면 상기 설정된 배터리 SOC까지 배터리를 충전하는 단계를 더 포함하는 것을 특징으로 하는 하이브리드 차량의 배터리 SOC 제어 방법.
- 청구항 12에 있어서,
상기 배터리 SOC 제어를 수행하는 단계는,
상기 설정된 배터리 SOC가 기정해진 기준 SOC 이상으로 설정된 경우, SOC 밸런스 레벨을 상기 설정된 배터리 SOC 보다 낮게 설정하여 배터리 SOC 제어를 수행하는 단계;
상기 배터리 SOC가 상기 SOC 밸런스 레벨에 도달하면 배터리 SOC가 상기 SOC 밸런스 레벨을 기준으로 스윙하도록 제어하는 단계; 및
상기 차량이 목적지에 근접하면 상기 설정된 배터리 SOC까지 배터리를 충전하는 단계를 포함하는 것을 특징으로 하는 하이브리드 차량의 배터리 SOC 제어 방법.
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| JP7056385B2 (ja) | 2018-05-31 | 2022-04-19 | トヨタ自動車株式会社 | 電動車両 |
| KR102569895B1 (ko) | 2018-06-25 | 2023-08-23 | 현대자동차주식회사 | 하이브리드 자동차 및 그를 위한 주행 제어 방법 |
| US10836371B1 (en) * | 2019-10-11 | 2020-11-17 | Ford Global Technologies, Llc | Battery saving controls associated with mobile generator use of a vehicle |
-
2021
- 2021-02-25 KR KR1020210025999A patent/KR20220121976A/ko not_active Ceased
- 2021-08-02 US US17/391,652 patent/US12503007B2/en active Active
- 2021-08-13 CN CN202110928857.XA patent/CN114954423A/zh active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20250109462A (ko) | 2024-01-10 | 2025-07-17 | 주식회사 현대케피코 | 하이브리드 차량의 배터리 충전 제어 방법 및 장치 |
Also Published As
| Publication number | Publication date |
|---|---|
| US20220266716A1 (en) | 2022-08-25 |
| US12503007B2 (en) | 2025-12-23 |
| CN114954423A (zh) | 2022-08-30 |
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