Method and apparatus for adjusting the electric power distribution in a motor vehicle, in patricular a hybrid-powered vehicle
First Claim
1. A method for adjusting the electric power distribution in a direct voltage supply circuit in a motor vehicle comprising several electric elements capable of consuming and/or producing power in said supply circuit, one of said electric elements being an electric driving set capable of driving at least one driving wheel of the vehicle, comprising the steps of:
- (i) defining one of said electric elements as a power balancing element, which exchanges an adjusted power with the supply circuit, (ii) determining a desired voltage of the supply circuit, (iii) continually monitoring an effective supply circuit voltage, and (iv) adjusting said adjusted power of said balancing element so as to maintain said effective voltage at the level of said desired voltage.
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Accused Products
Abstract
The invention concerns a method for adjusting the electric power distribution in a direct voltage supply circuit (2) in a motor vehicle, e.g. a hybrid-powered vehicle comprising an electric generator set (1) and one or several electric elements (3, 6, 7, 8) capable of consuming and/or producing power in the supply circuit, one of said electric elements being an electric driving set (3) capable of driving the driving wheels (4) of the vehicle.
The power of the generator set is adjusted on the basis of a power demand given by the driver. One (3, 7) of said electric elements is defined as a power balancing element. A desired voltage (U0c) of the supply circuit is determined, the effective voltage (U0) of said circuit is continuously monitored, and the power of the balancing element is adjusted so as to maintain the effective voltage at the level of the desired voltage.
96 Citations
19 Claims
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1. A method for adjusting the electric power distribution in a direct voltage supply circuit in a motor vehicle comprising several electric elements capable of consuming and/or producing power in said supply circuit, one of said electric elements being an electric driving set capable of driving at least one driving wheel of the vehicle, comprising the steps of:
- (i) defining one of said electric elements as a power balancing element, which exchanges an adjusted power with the supply circuit, (ii) determining a desired voltage of the supply circuit, (iii) continually monitoring an effective supply circuit voltage, and (iv) adjusting said adjusted power of said balancing element so as to maintain said effective voltage at the level of said desired voltage.
- View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
- 13. A motor vehicle driving system comprising several electric elements capable of consuming and/or producing power in the supply circuit, one of said elements being an adjustable electric driving set capable of driving at least one driving wheel of the vehicle, and control means arranged for controlling the power of one of said electric elements, defined as a power balancing element, which exchanges a second power with the supply circuit, said control means being arranged so as to constinously monitor an effective supply circuit voltage, wherein said control means comprise an electronic adjustment unit associated with the balancing element and arranged for adjusting the power of the latter on the basis of a desired voltage defined by the control means, so as to maintain said effective voltage at the level of said desired voltage.
Specification