Power output apparatus, method of controlling power output...

B - Operations – Transporting – 60 – L

Patent

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Details

B60L 11/12 (2006.01) H02K 51/00 (2006.01) B60K 1/02 (2006.01) B60K 17/356 (2006.01) B60K 6/04 (2006.01)

Patent

CA 2236965

A power output apparatus (20) of the present invention includes a clutch motor (30), an assist motor (40), and a controller (80). The clutch motor (30) and the assist motor (40) are controlled by the controller (80), so as to enable the power output from an engine (50) to a crankshaft (56) and expressed as the product of its revolving speed and torque to be converted to the power expressed as the product of a revolving speed and a torque of a drive shaft (22) and to be output to the drive shaft (22). The engine (50) can be driven at an arbitrary driving point defined by a revolving speed and a torque, as long as the energy or power output to the crankshaft (56) is identical. A desired driving point that attains the highest possible efficiency with respect to each amount of output energy is determined in advance. In order to allow the engine (50) to be driven at the desired driving point, the controller (80) controls the clutch motor (30) and the assist motor (40) as well as the fuel injection and the throttle valve position. Such control procedures of the power output apparatus (20) enhance the energy efficiency of the whole power output apparatus (20).

La présente invention concerne un appareil de transfert d'énergie (20) incluant un moteur transmetteur (30), un moteur auxiliaire (40) et un régulateur (80). La commande du moteur transmetteur (30) et du moteur auxiliaire (40) par le régulateur (80) assure la conversion de la force motrice délivrée à un vilebrequin (56) par un moteur (50) et s'exprimant sous la forme du produit "vitesse de rotation moteur . couple moteur", en une force motrice s'exprimant sous la forme du produit "vitesse de rotation . couple arbre de transmission (22), force motrice qui doit être transmise à l'arbre de transmission (22). Le moteur (50) peut fonctionner à un n'importe quel régime se définissant par une vitesse de rotation et un couple, tant que l'énergie ou la puissance transférée au vilebrequin (56) reste stable. Un régime de consigne correspondant au rendement maximum est déterminé par anticipation avec prise en considération des différents niveaux de force motrice. Le régulateur (80) commande le moteur transmetteur (30), le moteur auxiliaire (40), l'injection de carburant et la position du papillon de façon que le moteur (50) conserve le régime de consigne. Ce processus de régulation de l'appareil de transfert d'énergie (20) assure un meilleur rendement énergétique de l'appareil de transfert d'énergie (20) pris dans son ensemble.

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