METHOD OF DETERMINING AN ECO-DRIVING INDICATOR FOR THE TRAVEL OF A VEHICLE
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Abstract
The invention relates to a method of determining at least one eco-driving indicator wherein at least a first indicator (IND) is determined as an optimal speed (Vopt) that minimizes the energy consumption. Calculation of optimal speed Vopt is constrained by measured instant speeds Vmes at breakpoints of the travel where the driver has to adapt his driving according to conditions external to the travel. Once the eco-driving indicator is determined, it can be displayed (AFF) and/or the vehicle can be controlled (COM) in accordance with the indicator.
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Citations
47 Claims
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1-18. -18. (canceled)
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19. A method of determining at least one eco-driving indicator of travel of a vehicle, the travel corresponding to motion of the vehicle between two successive stops of the vehicle, comprising:
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a) measuring an instantaneous speed of the vehicle during the travel; b) identifying at least one breakpoint of the travel where the instant speed has been modified according to conditions external to the travel; c) dividing the travel into at least one segment with each segment being defined between two successive breakpoints and determining for each segment a distance and an average speed of the segment by the measured instant speed; and d) determining, as the first eco-driving indicator, an optimal speed of the travel, the optimal speed being calculated for each segment by an optimization algorithm that determines a speed minimizing energy consumption of the vehicle with the algorithm being constrained by the instant speed at the breakpoints, by the distance and by the average speed of the segment. - View Dependent Claims (20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45)
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46. A vehicle control method for determining at least one eco-driving indicator by travel of a vehicle, the travel corresponding to motion of the vehicle between two successive stops of the vehicle, the method comprising:
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a) measuring an instantaneous speed of the vehicle during the travel; b) identifying at least one breakpoint of the travel where the instant speed has been modified according to conditions external to the travel; c) dividing the travel into at least one segment with each segment being defined between two successive breakpoints, and determining for each segment a distance and an average speed of the segment by the measured instant speed; and d) determining, as the first eco-driving indicator, an optimal speed of the travel, the optimal speed being calculated for each segment by an optimization algorithm that determines a speed minimizing energy consumption of the vehicle with the algorithm being constrained by the instant speed at the breakpoints, by the distance and by the average speed of the segment; and adapting driving of the vehicle according to the eco-driving indicator.
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47. A computer program product comprising program instructions for execution on a processor a method of travel of a vehicle with the travel corresponding to motion of the vehicle between two successive stops of the vehicle, comprising:
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a) measuring an instantaneous speed of the vehicle during the travel; b) identifying at least one breakpoint of the travel where the instant speed has been modified according to conditions external to the travel; c) dividing the travel into at least one segment with each segment being defined between two successive breakpoints, and determining for each segment a distance and an average speed of the segment by the measured instant speed; and d) determining, as the first eco-driving indicator, an optimal speed of the travel, the optimal speed being calculated for each segment by an optimization algorithm that determines a speed minimizing energy consumption of the vehicle with the algorithm being constrained by the instant speed at the breakpoints, by the distance and by the average speed of the segment.
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Specification