Method for improving startability of a vehicle
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
G06F-019/00
B60W-030/18
B60K-006/10
B60W-010/06
B60W-010/24
출원번호
US-0766765
(2013-02-11)
등록번호
US-9738282
(2017-08-22)
국제출원번호
PCT/EP2013/000399
(2013-02-11)
국제공개번호
WO2014/121808
(2014-08-14)
발명자
/ 주소
Àsbogård, Mattias
Bringhed, Johan
Wennberg, Niclas
출원인 / 주소
Volvo Truck Corporation
대리인 / 주소
WRB-IP LLP
인용정보
피인용 횟수 :
0인용 특허 :
7
초록▼
A method for improving startability of a vehicle is provided, the vehicle being provided with a prime mover and a kinetic energy recuperation system. The prime mover is adapted to propel the vehicle either alone or in combination with the kinetic energy recuperation system which is operably coupled
A method for improving startability of a vehicle is provided, the vehicle being provided with a prime mover and a kinetic energy recuperation system. The prime mover is adapted to propel the vehicle either alone or in combination with the kinetic energy recuperation system which is operably coupled to the prime mover and to wheels of the vehicle and is adapted to store energy at times when there is an abundance of energy and to use energy at times when there is a demand for energy. A vehicle is also provided. The method includes determining that the vehicle is standing still or essentially standing still; detecting a take-off assistance condition; detecting a level of energy in the kinetic energy recuperation system; if the level of energy is found insufficient, connecting the prime mover to the kinetic energy recuperation system and running the prime mover such that energy from the prime mover is stored in the kinetic energy recuperation system; and when a driver requests the vehicle to take off, running the prime mover and consuming energy from the kinetic energy recuperation system such that the wheels of the vehicle initiate propelling thereof.
대표청구항▼
1. A method for improving startability of a vehicle, the vehicle being provided with a prime mover and a kinetic energy recuperation system, such that the prime mover is adapted to propel the vehicle either alone or in combination with the kinetic energy recuperation system which is operably coupled
1. A method for improving startability of a vehicle, the vehicle being provided with a prime mover and a kinetic energy recuperation system, such that the prime mover is adapted to propel the vehicle either alone or in combination with the kinetic energy recuperation system which is operably coupled to the prime mover and to wheels of the vehicle and is adapted to store energy at times when there is an abundance of energy and to use energy at times when there is a demand for energy, the method comprising the steps of: a. determining that the vehicle is standing still,b. detecting a take-off assistance condition,c. detecting a level of energy in the kinetic energy recuperation system,d. determining that a level of energy is insufficient and connecting the prime mover to the kinetic energy recuperation system and running the prime mover such that energy from the prime mover is stored in the kinetic energy recuperation system, ande. requesting the vehicle to take off and running the prime mover and consuming energy from the kinetic energy recuperation system such that the wheels of the vehicle initiate propelling thereof. 2. A method according to claim 1, in which the step of finding the level of energy insufficient involves finding that the level of energy is lower than a first predetermined energy value. 3. A method according to claim 2, if the level of energy is lower than the first predetermined energy value, the method further includes detecting whether the prime mover is running, and if it is not, starting up the prime mover. 4. A method according to claim 1, in which the vehicle is provided with a start/stop function, such that if a take-off assistance condition is detected and if the vehicle is standing still, the start/stop function is disabled from stopping the prime mover from running. 5. A method according to claim 1, comprising perform the steps in an order of, first, a., second, b., third, c., fourth, d., and, fifth, e. 6. A method according to claim 1, in which the step of determining the take-off assistance condition includes any one or a combination of the following: determining that the vehicle is standing in or at an upward slope, determining that the vehicle is loaded, or determining that the vehicle is being belated in relation to a desired schedule. 7. A method according to claim 1, wherein the step of determining the take-off assistance condition includes determining that the vehicle is standing in or at an upward slope using inclination detecting means and determining if that the inclination detecting means detect an upwards slope being equal to or greater than a predetermined inclination value. 8. A method according to claim 7, in which the predetermined inclination value corresponds to an upward slope of at least 7.5%. 9. A method according to claim 1, wherein the step of determining the take-off assistance condition includes determining that the vehicle is loaded weight sensing means and determining that the weight sensing means detect a payload in the vehicle being equal or greater than a predetermined weight value. 10. A method according to claim 9, in which the predetermined weight value corresponds to a payload of at least 30% in relation to a vehicle dead weight. 11. A method according to claim 1, in which the method further comprises prohibiting propelling the vehicle until the level of energy in the kinetic energy recuperation system is equal to or greater than a second predetermined energy value. 12. A vehicle comprising a prime mover and a kinetic energy recuperation system, such that the prime mover is adapted to propel the vehicle either alone or in combination with the kinetic energy recuperation system which is operably coupled to the prime mover and to wheels of the vehicle and is adapted to store energy at times when there is an abundance of energy and to consume energy at times when there is a demand for energy, the vehicle being configured to perform a method for improving startability of the vehicle, the vehicle being provided with a prime mover and a kinetic energy recuperation system, such that the prime mover is adapted to propel the vehicle either alone or in combination with the kinetic energy recuperation system which is operably coupled to the prime mover and to wheels of the vehicle and is adapted to store energy at times when there is an abundance of energy and to use energy at times when there is a demand for energy, the method comprising the steps of: determining that the vehicle is standing still,detecting a take-off assistance condition,detecting a level of energy in the kinetic energy recuperation system,determining that a level of energy is found insufficient and connecting the prime mover to the kinetic energy recuperation system and running the prime mover such that energy from the prime mover is stored in the kinetic energy recuperation system, andrequesting the vehicle to take off and running the prime mover and consuming energy from the kinetic energy recuperation system such that the wheels of the vehicle initiate propelling thereof. 13. A vehicle according to claim 12, in which the kinetic energy recuperation system is a flywheel. 14. A vehicle according to claim 12, in which the prime mover is an internal combustion engine.
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