Electricity: motive power systems – Braking – Plural – diverse or diversely controlled braking means
Patent
1992-04-09
1995-01-24
Shoop, Jr., William M.
Electricity: motive power systems
Braking
Plural, diverse or diversely controlled braking means
318376, H02P 300
Patent
active
053845226
ABSTRACT:
A regenerative braking control system consumes energy generated in a period corresponding to an angle .theta..sub.1 which starts in a half of a period of an AC voltage produced in a drive motor during the braking of the drive motor. The regenerative braking control system also consumes energy generated in a period corresponding to an angle .theta..sub.2 that ends at the end of a half of a period of the AC voltage. The regenerative rate of braking control system utilizes a current induced in the driving coils of the drive motor at the end of the period corresponding to the angle .theta..sub.1 to recharge a battery. By utilizing two periods to carry out the regenerative braking process, the recharging energy and the braking force can be controlled individually. Moreover, a controller monitors the electric control system to determine whether a malfunction is present. If a malfunction is detected, an electrical brake electrically brakes the drive motor. This electrical braking after the detection of a malfunction in the electrical system provides satisfactory controllability of the electric vehicle.
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Fujii Takaaki
Honda Satoshi
Motodate Shoji
Nakazawa Yoshihiro
Sasaki Shigemi
Honda Giken Kogyo Kabushiki Kaisha
Martin David
Shoop Jr. William M.
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