Abstract: A drive control apparatus for hybrid vehicles adapted to facilitate controlling a rotation speed of an internal combustion engine, preventing excess speeds of a motor generator. The drive control apparatus for hybrid vehicles is adapted for a drive control of a vehicle using outputs from an engine and motor generators, and includes a target engine operating point setter for setting up a target engine operating point to determine target engine torque and a target engine rotation speed of the engine from target engine power and an efficiency of system. A motor torque command value calculator sets up respective torque command values of the motor generators, and an engine torque corrector corrects the target engine torque by a target engine torque correction value set up based on the torque command values of the motor generators and permissible output torque of the motor generators.

Abstract: An apparatus that both prevents excessive engine speed and satisfies a driver's requested drive torque. A control apparatus provides torque control to a hybrid electric vehicle and uses a calculated engine speed final target, and engine speed temporary target, which may not exceed an upper limit. In addition the control recalculates an engine operating point target based on the calculated engine speed final target and calculates an engine power final target based on the recalculated engine operating point target. An electrical power target is calculated based on the calculated engine power final target. Engine torque is controlled based on the calculated engine operating point target (especially the engine torque final target). In addition, motor generators are controlled to operate in power running mode or regenerating mode, based on the calculated engine operating point target and electrical power target.

Abstract: A regenerative control capable of realizing a comfortable operation, along with an efficient collection of a regenerative energy of a motor generator and an effective regenerative braking control. A regenerative control device for a motor generator generates a regenerative braking power for decelerating a motor vehicle at a time of collecting regenerative energy generated by driving of the motor vehicle. The arrangement includes a driving state detection unit for detecting a driving state and a deceleration level acquisition unit for acquiring a deceleration level. A braking force setting unit sets the regenerative braking force of the motor generator at a time of detection of a deceleration operation by the driving state detection unit. A braking force adjustment unit adjusts and suppresses the regenerative braking force set by the braking force setting unit, according to acquired deceleration level.