Patent claim: The method according to claim 5 wherein performing the drive control of the vehicle based on the operation parameter and the selected operation mode of the vehicle further comprises after entering the HEVeco lowelectricquantity mode determining whether the speed of the vehicle is less than or equal to a fourth speed threshold if the speed of the vehicle is less than or equal to the fourth speed threshold determining whether the required power of the vehicle is less than or equal to a first power threshold if the required power of the vehicle is less than or equal to the first power threshold controlling the synchronizer to disengage operating the second motor generator with the required power and controlling the engine unit to drive the first motor generator with the first power threshold to generate electricity if the required power of the vehicle is greater than the first power threshold determining whether the required power of the vehicle is less than or equal to a second power threshold if the required power of the vehicle is less than or equal to the second power threshold controlling the synchronizer to engage operating the engine unit with the required power and controlling the first and second motor generators to stop if the required power of the vehicle is greater than the second power threshold determining whether the required power of the vehicle is less than or equal to a sum of the second power threshold and a third power threshold if the required power of the vehicle is less than or equal to the sum of the second power threshold and the third power threshold controlling the synchronizer to engage operating the engine unit with the second power threshold operating the second motor generator with a difference between the required power and the second power threshold and controlling the first motor generator to stopif the required power of the vehicle is greater than the sum of the second power threshold and the third power threshold determining whether the required power of the vehicle is less than or equal to a sum of the second power threshold the third power threshold and a fourth power threshold if the required power of the vehicle is less than or equal to the sum of the second power threshold the third power threshold and the fourth power threshold controlling the synchronizer to engage operating the engine unit with the second power threshold operating the second motor generator with the third power threshold and operating the first motor generator with a difference between the required power and the sum of the second power threshold and the third power threshold if the required power of the vehicle is greater than the sum of the second power threshold the third power threshold and the fourth power threshold controlling the synchronizer to engage calculating an operation power of the second motor generator based on the required power the second power threshold the third power threshold and the fourth power threshold operating the second motor generator with the operation power operating the engine unit with the second power threshold and operating the first motor generator with a difference between the required power and a sum of the second power threshold and the operation power if the speed of the vehicle is greater than the fourth speed threshold determining whether the required torque of the vehicle is less than or equal to a fourth torque threshold if the required torque of the vehicle is less than or equal to the fourth torque threshold controlling the synchronizer to engage operating the engine unit with a predetermined torque driving the first motor generator with a part of the torque of the engine unit to generate electricity and controlling the second motor generator to stop if the required torque of the vehicle is greater than the fourth torque threshold determining whether the required torque of the vehicle is less than or equal to a sum of the first torque threshold and the fourth torque threshold if the required torque of the vehicle is less than or equal to the sum of the first torque threshold and the fourth torque threshold controlling the synchronizer to engage operating the engine unit with the fourth torque threshold operating the second motor generator with a difference between the required torque and the fourth torque threshold and controlling the first motor generator to stopif the required torque of the vehicle is greater than the sum of the first torque threshold and the fourth torque threshold determining whether the required torque of the vehicle is less than or equal to a sum of the first torque threshold the second torque threshold and the fourth torque threshold if the required torque of the vehicle is less than or equal to the sum of the first torque threshold the second torque threshold and the fourth torque threshold controlling the synchronizer to engage operating the engine unit with the fourth torque threshold operating the second motor generator with the first torque threshold and operating the first motor generator with a difference between the required torque and the sum of the first torque threshold and the fourth torque threshold if the required torque of the vehicle is greater than the sum of the first torque threshold the second torque threshold and the fourth torque threshold controlling the synchronizer to engage calculating a fourth operation torque of the second motor generator according to the required torque the first torque threshold the second torque threshold and the fourth torque threshold operating the second motor generator with the fourth operation torque operating the engine unit with the fourth torque threshold and operating the first motor generator with a difference between the required torque and a sum of the fourth operation torque and the fourth torque threshold.

Related passage: The automobile speed detecting means 120 computes the automobile speed Vsp on the basis of the motor revolution number Nm detected by a motor revolution number sensor not shown etc.in this case the computation is performed as VspfNm using a function f.