Tomoki Yamazaki

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This study aims, for hybrid electric vehicle, to reduce the torque ripple caused by fuel combustion in the combustion engine and reaction torque from road surface. The assist motor in HEV is driven to suppress the torque ripple under the torque ripple suppression control proposed by Fujita. However, effectiveness of this proposed method is not inspected(More)
This paper presentes an approach for estimating the output torque of an engine and the pressure and intake fuel gas amount in a cylinder from the rotational angle of a crankshaft. The approach requires an engine model of mechanical motion with its combustion process. The mechanical motion and the combustion process are thus described respectively by a(More)
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