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State-of-charge estimation method and battery control unit

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) G01R-031/36   
미국특허분류(USC) 702/063; 702/058; 702/064; 702/079; 702/108
출원번호 US-0106305 (2011-05-12)
등록번호 US-8738311 (2014-05-27)
우선권정보 TW-99141981 A (2010-12-02)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Muncy, Geissler, Olds & Lowe, P.C.
인용정보 피인용 횟수 : 3  인용 특허 : 9
초록
▼

A SOC (state of charge) estimation method for a rechargeable battery includes: measuring a battery parameter of the rechargeable battery; judging whether the battery parameter of the rechargeable battery is stable; if the battery parameter of the rechargeable battery is not stable yet, estimating an open circuit voltage of the rechargeable battery by a fuzzy control and expanding an established experiment data of the rechargeable battery into a 3D function by the fuzzy control; and calculating a time domain dynamic equation and converting into a SOC func...

대표
청구항
▼

1. A SOC (state of charge) estimation method applicable to a hardware battery control unit to control a rechargeable battery, applied in a battery management system of an electronic vehicle, comprising: measuring a battery parameter of the rechargeable battery;judging whether the battery parameter of the rechargeable battery is stable;if the battery parameter of the rechargeable battery is not stable, estimating a battery open circuit voltage of the rechargeable battery by a fuzzy control and processing an established experiment data of the rechargeable ...

이 특허에 인용된 특허 (9)

  1. Hing, Sothun. Device for estimating the state of charge of a battery. USP2003036529840.
  2. Guiheen, James V.; Singh, Harmohan; Palanisamy, Thirumalai G.. Method and apparatus for determining the state of charge of a lithium-ion battery. USP2004086774636.
  3. Seo, Se-Wook; Yun, Han-Seok; Lim, Gye-Jong. Method for compensating state of charge of battery and battery management system using the same. USP2010017649338.
  4. Steven Hoenig ; Harmohan Singh ; Thirumalai G. Palanisamy. Method for determining state of charge of a battery by measuring its open circuit voltage. USP2002046366054.
  5. Singh Pritpal ; Fennie ; Jr. Craig. Method for determining state-of-charge using an intelligent system. USP2000016011379.
  6. Arai, Youichi; Satake, Shuji; Miyazaki, Yoshiya. Method of estimating state of charge and open circuit voltage of battery, and method and device for computing degradation degree of battery. USP2005026850038.
  7. Mark William Verbrugge ; Edward Dean Tate, Jr. ; Shawn D. Sarbacker ; Brian James Koch. Quasi-adaptive method for determining a battery's state of charge. USP2002036359419.
  8. Ramona Y. Ying. State of charge algorithm for a battery. USP2002036356083.
  9. Ashizawa,Hiroyuki; Nakamura,Hideo; Asai,Hisafumi. State-of-charge estimating device of secondary battery. USP2008047352156.

이 특허를 인용한 특허 피인용횟수: 3

  1. Baba, Atsushi; Adachi, Shuichi. Battery SoC estimation device. USP2016059329240.
  2. Cheng, Cheng-Hung; Liu, Yi-Hua. Battery charging method to obtain a charging current using fuzzification and defuzzification. USP2017049620822.
  3. Morrison, John L; Morrison, William H; Christophersen, Jon P. Energy storage cell impedance measuring apparatus, methods and related systems. USP2017129851414.

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