Method and device for controlling the volume of intake air for a

Details Method and device for controlling the volume of intake air for a Method and device for controlling the volume of intake air for a

1998-06-01

2000-05-30

Argenbright, Tony M.

Internal-combustion engines

Engine speed regulator

Open loop condition responsive

318139, 318254, F02D 1110, H02K 2300

Patent

active

060679603

ABSTRACT:
To improve the controllability of an energization current for a motor, when electricity is applied to each stator coil for a predetermined energization time in accordance with a plurality of energization patterns to drive a brushless motor stepwise, an energization time for a first step is made long to carry out learning of the magnetic pole position of the rotor. A current to be applied to each stator coil is controlled based on the output of a throttle opening sensor and a learned value of the magnetic pole position of the rotor obtained by the learning of the magnetic pole position of the rotor.

REFERENCES:
patent: 5828193 (1998-10-01), Furuta
patent: 5880565 (1999-03-01), Watanabe

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