An apparatus and method of generating a virtual shift effect in an electric vehicle are provided. The apparatus for generating a virtual shift effect in an electric vehicle includes: a driving information detector configured to detect driving information of the electric vehicle; a controller configured to determine a virtual shift point based on the detected driving information and output a control signal for generating the virtual shift effect at the determined virtual shift point; and a disconnector configured to disengage power transmission between sub-driving wheels and sub-wheel motor, wherein the disconnector is engaged or disengaged according to the control signal output, and generates an impact occurring upon the engagement or disengagement of the disconnector as the virtual shift effect.

A method of controlling gear shifting in an electric vehicle includes: determining whether or not an electric vehicle travels in an electric vehicle (EV) traveling mode; determining whether or not kick-down gear shifting is required in the EV traveling mode; determining whether or not acceleration linearity control is possible, in a case where the kick-down gear shifting is required; performing correction of a torque of a motor in a case where the acceleration linearity control is possible; and performing gear shifting in a transmission on the basis of the corrected torque of the motor.

A system and a method for controlling shifting stage of a hybrid vehicle may include a speed detecting device that detects a vehicle speed, an automatic transmission that changes a shifting stage of the vehicle, and a shift controller connected to the speed detecting device and the automatic transmission. The shift controller is configured to determine a start of shift control based on a travel environment and a travel state of the vehicle, compares the vehicle speed with a target vehicle speed when the start of the shift control is determined, and performs the shift control based on a state of charge of a battery of the vehicle and a regenerative braking amount of the vehicle when the shift controller concludes that the vehicle speed exceeds the target vehicle speed.

A vehicle drive device includes: an electric motor; a multi-plate clutch including a plurality of clutch plates; a pressing mechanism configured to press the multi-plate clutch; an output rotary member to which a drive force of the electric motor is transferred through the multi-plate clutch; and a control device configured to control the electric motor and the pressing mechanism. The control device is configured to control the pressing mechanism using information on the result of test operation performed while the vehicle is stationary.

An electric vehicle drive device includes: a first motor; a second motor; a transmission mechanism coupled to the first motor and the second motor; and a control unit configured to control operation of the first motor and the second motor based on a drive signal. The transmission mechanism includes: a sun gear shaft coupled to the first motor; a first planetary gear mechanism; a second planetary gear mechanism; and a one-way clutch configured to restrict a rotation direction of a first carrier to a predetermined positive rotation direction. The drive signal includes gear change information indicating a first state in which the second motor is controlled based on torque or a second state in which the second motor is controlled based on rotation speed, and throttle information indicating an acceleration of rotation speed of a wheel.

A hybrid power driving system includes an engine, a planetary gear device, a first motor, a clutch gear device, a brake device, an engagement device, an intermediate shaft, and a second motor, the engine and the first motor are connected by the planetary gear device which includes first, second and third rotating elements; the clutch gear device is disposed between the first motor and the planetary gear device, the clutch gear device includes a clutch and a clutch gear and an engagement element connected to the clutch, the clutch gear is connected to the intermediate shaft; the engagement device is configured to engage the third rotating element and the engagement element, or engage the third rotating element and the brake device, or only engage the third rotating element; the brake device is configured to brake or unlock the third rotating element; the second motor is connected to the intermediate shaft.

A drive train for installation in a vehicle chassis includes a power source, two motor/generators (M/Gs), an array of batteries, and a control system for configuring the drive train to operate using only the power source, only the batteries or a combination of the power source and batteries. The control system may open or close clutches to configure the drive train with each M/G working as a motor or a generator. A M/G working as a motor may use power from the batteries to supply rotational power to drive the vehicle or operate accessories on the vehicle. A M/G working as a generator coupled to a power source generates electric power for charging the array of batteries. The vehicle, including components and subsystems, may be powered electrically from the batteries or powered from the engine.

A hybrid vehicle (10) has, as drive sources of the hybrid vehicle (10), an engine (20) and a motor (40) mutually coupled via a clutch (30). An engine start controller (1) for the hybrid vehicle (10) includes: a clutch transmission torque control section (61) that controls transmission torque of the clutch (30) on the basis of a predicted engine speed value at the time of starting the engine (20) using the motor (40) via the clutch (30); and a predicted engine speed value setting section (62) that sets the predicted engine speed value on the basis of a stop crank position of the engine (20).

A method and apparatus for delivering power to a hybrid vehicle is disclosed. The apparatus includes an apparatus for delivering power to a hybrid vehicle, the hybrid vehicle including a powertrain having a power take-off coupling, the powertrain including an engine and a transmission. The apparatus includes an electric motor operable to generate a torque, the motor being coupled to transmit a starting torque through the power take-off of the powertrain for starting the engine.

A method for operating an electromotive drive train for a vehicle is disclose. The electromotive drive train has an electric machine for driving at least one wheel of the vehicle, a traction battery of the vehicle, which can be charged by the electric machine via recuperation, and a clutch device arranged between the electric machine and the at least one wheel. The method has the following steps: ascertaining a maximum permitted recuperation power of the electric machine to be fed into the traction battery by the electric machine during a braking procedure of the vehicle; and setting a slip state of the clutch device such that the recuperation power generated by the electric machine during the slip operation of the clutch device does not exceed the maximum permitted recuperation power.