[특허]Evaluation system for vehicle operating conditions and evaluation method thereof

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	G06G-007/70 G06G-007/00 G06F-019/00
출원번호	US-0625506 (2003-07-24)
발명자 / 주소	Minami,Katsuaki Kumagai,Satoshi Hamuro,Takao Nagahara,Hideki
출원인 / 주소	Miyama, Inc.
대리인 / 주소	Rabin &
인용정보	피인용 횟수 : 42 인용 특허 : 15

초록 ▼

A calculation unit (3) determines whether or not an operation which worsens fuel economy has been performed, and if it is determined that an operation which worsens fuel economy has been performed, the calculation unit (3) respectively calculates the actual amount of consumed fuel and an amount of f

A calculation unit (3) determines whether or not an operation which worsens fuel economy has been performed, and if it is determined that an operation which worsens fuel economy has been performed, the calculation unit (3) respectively calculates the actual amount of consumed fuel and an amount of fuel that would have been consumed had the operation that worsens fuel economy not been performed. The calculation unit (3) then calculates an amount of fuel consumed in excess due to the operation which worsens fuel economy by subtracting the amount of fuel that would have been consumed had the operation that worsens fuel economy not been performed from the actual amount of consumed fuel. A display (4) displays the calculated excess fuel consumption amount.

대표청구항 ▼

What is claimed is: 1. An evaluation system for operating conditions applied to a vehicle, comprising: a controller which functions to: determine whether or not an operation which worsens fuel economy has been performed; when it is determined that the operation which worsens fuel economy has been p

What is claimed is: 1. An evaluation system for operating conditions applied to a vehicle, comprising: a controller which functions to: determine whether or not an operation which worsens fuel economy has been performed; when it is determined that the operation which worsens fuel economy has been performed, respectively calculate an actual amount of consumed fuel and an amount of fuel which would have been consumed had the operation which worsens fuel economy not been performed; and calculate an amount of fuel consumed in excess due to the operation which worsens fuel economy by subtracting the amount of fuel which would have been consumed had the operation which worsens fuel economy not been performed from the actual amount of consumed fuel, the evaluation system further comprising a display device for displaying the calculated excess fuel consumption; wherein the controller further functions to determine that the operation which worsens fuel economy has been performed when the vehicle accelerates by a greater acceleration than a predetermined rapid acceleration determination value; and wherein the controller further functions to: rank the driving skill of a driver based on the frequency with which operations which worsen fuel economy are performed; and reduce the rapid acceleration determination value as the driving skill rank increases. 2. An evaluation system for operating conditions applied to a vehicle, comprising: a controller which functions to: determine whether or not an operation which worsens fuel economy has been performed; when it is determined that the operation which worsens fuel economy has been performed, respectively calculate an actual amount of consumed fuel and an amount of fuel which would have been consumed had the operation which worsens fuel economy not been performed; and calculate an amount of fuel consumed in excess due to the operation which worsens fuel economy by subtracting the amount of fuel which would have been consumed had the operation which worsens fuel economy not been performed from the actual amount of consumed fuel, the evaluation system further comprising a display device for displaying the calculated excess fuel consumption; wherein the controller further functions to determine that the operation which worsens fuel economy has been performed when the vehicle decelerates by a greater deceleration than a predetermined rapid deceleration determination value; and wherein the controller further functions to: rank the driving skill of a driver based on the frequency with which operations which worsen fuel economy are performed; and reduce the rapid deceleration determination value as the driving skill rank increases. 3. An evaluation system for operating conditions applied to a vehicle, comprising: a controller which functions to: determine whether or not an operation which worsens fuel economy has been performed; when it is determined that the operation which worsens fuel economy has been performed, respectively calculate an actual amount of consumed fuel and an amount of fuel which would have been consumed had the operation which worsens fuel economy not been performed; and calculate an amount of fuel consumed in excess due to the operation which worsens fuel economy by subtracting the amount of fuel which would have been consumed had the operation which worsens fuel economy not been performed from the actual amount of consumed fuel, the evaluation system further comprising a display device for displaying the calculated excess fuel consumption; wherein the controller further functions to: calculate a drive force of the vehicle based on the vehicle operating conditions; calculate an excess drive force by subtracting a running resistance from the calculated drive force; and calculate an excess drive force ratio by dividing the excess drive force by a drive force at full load, and the display device displays the calculated excess drive force ratio. 4. The system as defined in claim 3, wherein the controller further functions to: determine whether or not the vehicle is running at a higher vehicle speed than the specified vehicle speed; calculate an air resistance actually faced by the vehicle based on a current vehicle speed; calculate an air resistance faced by the vehicle when running at the specified vehicle speed; calculate an excess air resistance by subtracting the air resistance received when running at the specified vehicle speed from the actually faced air resistance; and when it is determined that the vehicle is running at a higher vehicle speed than the specified vehicle speed, calculate as an excess drive force a value obtained by adding the excess air resistance to a value obtained by subtracting a running resistance from the calculated drive force. 5. The system as defined in claim 3, wherein the controller further functions to: determine whether or not an upshift is possible based on the driving conditions of the vehicle at present and following an upshift; calculate a fuel consumption amount assuming an upshift has been performed based on the operating conditions of the vehicle following an upshift; calculate a reduced fuel consumption amount assuming an upshift has been performed by subtracting the fuel consumption following an upshift from a current fuel consumption; and when an upshift is possible, calculate as the excess drive force a value obtained by converting the reduced fuel consumption amount reduced by an upshift into a drive force. 6. The system as defined in claim 3, wherein the controller further functions to rank the driving skill of a driver based on the frequency with which operations which worsen fuel economy are performed, and the display device modifies a display format of the excess drive force ratio in accordance with the driving skill rank. 7. The system as defined in claim 6, wherein the display device displays the excess drive force ratio in a bar graph format such that the length of the displayed bars increases as the driving skill rank rises even at an identical excess drive force ratio.

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이 특허에 인용된 특허 (15) 인용/피인용 타임라인 분석

Kuhn Peter (Villingen-Schwenningen DEX) Kolar Max (Aalen DEX) Weber Robert (Brigachtal DEX) Koch Siegfried (Villingen-Schwenningen DEX), Arrangement for obtaining an indication of efficiency of operation of a motor vehicle.
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Dussault Robert G. (East Peoria IL), Fuel consumption estimating method.
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Strifler Paul (Dettingen DEX), Fuel-consumption monitoring system for motor vehicles with manually-shifted transmissions.
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Stephens Donald L. (La Conner WA), Method and apparatus for calculating corrected vehicle fuel economy.
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Brehob Diana D. (Dearborn MI) Kappauf Todd A. (Dearborn MI), Method and system for calculating effective fuel economy.
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Weisman S. Miller ; LeTang Dennis M., Method and system for engine control to provide driver reward of increased allowable speed.
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Kido Yoshinobu (Hiroshima JPX) Yamada Toshihiro (Hiroshima JPX), Shift indicator system for vehicle.
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Horgan Matthew J. ; Hapka Roger J., System for controlling internal combustion engine performance in accordance with driver behavior.
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Crump ; Jr. John M. (1018 Parkridge Circle West Jacksonville FL 32211), Vehicle fuel economy energy conservation indicating device and process for use.
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