Vehicle and method for controlling synchronizer of the same
First Claim
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.
1 Assignment
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Accused Products
Abstract
A method for controlling a synchronizer of a vehicle is provided. The vehicle comprises an engine unit, a transmission unit configured to selectively couple with the engine unit and to couple with at least one of a plurality of wheels of the vehicle, a synchronizer configured to adjust a power transmission between the transmission unit and the wheels. The method comprises acquiring an operation mode and operation parameters of the vehicle and controlling the synchronizer to adjust the power transmission between the transmission unit and the wheels based on the operation parameters. A vehicle including a controller configured to control the synchronizer according to the method is also provided. The vehicle further includes a first motor generator configured to adjust a rotating speed of the synchronizer according to a speed of the vehicle, and a second motor generator configured to drive at least one of wheels of the vehicle.
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Citations
20 Claims
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1. A method for controlling a synchronizer of a vehicle, the method comprising:
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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, and a 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. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 20)
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9. A method for controlling a synchronizer of a vehicle, the method comprising:
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acquiring information on operation parameters of the vehicle, the vehicle comprising an engine unit, a transmission unit configured to selectively couple, via a clutch, with the engine unit and to couple with at least one of a plurality of wheels of the vehicle, a synchronizer configured to adjust a power transmission between the transmission unit and the plurality of wheels, a first motor generator coupled with the transmission unit and a second motor generator configured to drive at least one of the plurality of wheels, the first motor generator being configured to adjust an output rotating speed of the synchronizer, and a power battery coupled with the first and second motor generators respectively wherein the transmission unit comprises 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; and controlling the synchronizer and the clutch based on the operation parameters, wherein controlling the synchronizer and the clutch based on the operation parameters comprises disengaging the synchronizer and keeping the clutch in a disengaged state when the following conditions are satisfied; the vehicle is in an electric vehicle (EV) mode, and a speed of the vehicle is smaller than or equal to a speed threshold of the vehicle, and a required torque of the vehicle is smaller than or equal to a torque threshold of the second motor generator;
ordisengaging the synchronizer and keeping the clutch in an engaged state when the following conditions are satisfied; the vehicle is in a hybrid electric vehicle (HEV) mode, the speed of the vehicle is smaller than or equal to the speed threshold of the vehicle, the required torque of the vehicle is smaller than or equal to the torque threshold of the second motor generator, and an electric quantity of the power battery is larger than an electric quantity threshold of the vehicle. - View Dependent Claims (10, 11, 12, 13, 14)
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15. A vehicle, comprising:
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an engine unit; a plurality of wheels; a transmission unit configured to selectively couple 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 driving gear mounted on the first input shaft, a second driving gear mounted on the second input shaft, an output shaft, a first and a second driven gears mounted on 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 a power transmitted by the transmission unit to at least one of the wheels of the vehicle; a synchronizer disposed on the output shaft of the transmission unit and configured to adjust a power transmission between the transmission unit and the output 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 to the synchronizer according to a speed of the vehicle; a second motor generator configured to drive at least one of wheels of the vehicle; a power battery coupled with the first and second motor generators respectively; and a controller configured to acquire an operation mode and operation parameters of the vehicle, and to control the synchronizer to adjust the power transmission based on the operation parameters. - View Dependent Claims (16, 17, 18, 19)
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Specification