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Vehicle and method for controlling synchronizer of the same

  • US 9,919,699 B2
  • Filed: 10/29/2014
  • Issued: 03/20/2018
  • Est. Priority Date: 01/30/2014
  • Status: Active Grant
First Claim
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1. A method for controlling a synchronizer of a vehicle, the method comprising:

  • acquiring an operation mode and operation parameters of the vehicle, the vehicle comprising;

    an engine unit,a transmission unit configured to be selectively coupled with the engine unit via a clutch, the transmission unit comprising at least a first input shaft and a second input shaft fitted over the first input shaft, a first and a second driving gears mounted on the first and second input shafts and rotating synchronously with the first and second input shafts, respectively, an output shaft, a first and a second driven gears mounted on the output shaft and rotating synchronously with the output shaft, the first and second driving gears on the first and second input shafts meshing with the first and second driven gears on the output shaft,an output unit configured to transmit power transmitted by the transmission unit to at least one of front and rear wheels of the vehicle,a synchronizer disposed on the output shaft of the transmission unit and configured to enable or interrupt power transmission between the transmission unit and the output unit and to selectively synchronize the output unit and the transmission unit,a first motor generator coupled with one of the first and second driving gears on the first and second input shafts of the transmission unit and configured to adjust a rotating speed of the output shaft coupled with the synchronizer according to a speed of the vehicle,a second motor generator configured to drive at least one of the front and rear wheels, anda power battery coupled with the first and second motor generators respectively; and

    controlling the synchronizer to engage or to disengage based on the operation parameters.

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