A method for controlling a hybrid electric vehicle includes: connecting a first motor directly connected to an engine to a second motor directly connected to a transmission input terminal through a dual mass flywheel; determining a target angular acceleration of the first motor according to a gear shifting progress rate so that an angular acceleration of the first motor follows a target angular acceleration of the transmission input terminal when a gearshift is performed in the transmission; and controlling a torque of the first motor based on the target angular acceleration of the first motor.

An engine misfire detection device is mounted on a hybrid electric vehicle that includes an internal combustion engine and a generator. The internal combustion engine has a plurality of cylinders and a crankshaft and is dedicated to power generation. The generator is connected to the crankshaft via a torsional damper. The engine misfire detection device includes a generator rotation angle sensor and a processor. The generator rotation angle sensor detects the rotation angle of the generator rotating shaft. The processor is configured to execute a misfire detection process. The misfire detection process includes a first misfire detection process of determining that the internal combustion engine has misfired when an amplitude correlation value that correlates with the magnitude of amplitude of rotation speed of the generator rotating shaft and is detected by the generator rotation angle sensor is greater than a determination threshold value.

The invention relates to a system (10) for a vehicle trailer (106), in particular to a semi-trailer (106) comprising, a function block (30) with a data input (33) for receiving gear change signals (34) of a vehicle (108), in particular a utility vehicle (108), which tows said vehicle trailer (106). The function block (30) comprises a controller (35) for generating a torque-increasing request signal (36) in accordance with a received signal of the gearchange signals (34) and a data output (37) for outputting the torque-increasing request signal (36) to an electric motor control device (14) of at least one electric drive (12) of the vehicle trailer (106). The invention further relates to a vehicle trailer (106) with a system (10) and to a method for operating such a system (10).

A system for a vehicle trailer includes a function block having a data input configured to receive gear shift signals of a vehicle towing the vehicle trailer. The function block includes a controller configured to generate a torque increase request signal depending on a received gear shift signal of the gear shift signals, and a data output configured to output the torque increase request signal to an electric motor controller of at least one electric drive of the vehicle trailer.

A control device of a hybrid vehicle of the disclosure includes a clutch controller configured to perform slip control of a hydraulic clutch in response to satisfaction of a start condition of an engine and to perform pressure increase control of increasing a hydraulic pressure to the hydraulic clutch with elapse of time after a rotation speed difference between the engine and a motor enters a predetermined range; and an engine controller configured to start fuel injection and ignition of the engine before the rotation speed difference enters the predetermined range, to control the engine such that the rotation speed of the engine becomes equal to a target rotation speed after the start of the fuel injection and the ignition, and to increase the target rotation speed of the engine as an angular acceleration of the motor becomes larger during execution of the pressure increase control.

A vehicle slip control apparatus to be installed in a vehicle including a drive source configured to output power to a driving wheel of the vehicle and a gear pair interposed between an output shaft of the drive source and the driving wheel includes a rotating speed detector, a slip determination unit, and a slip determination prohibition unit. The rotating speed detector is configured to detect a rotating speed of the output shaft. The slip determination unit is configured to determine, when an absolute value of an angular acceleration of the rotating speed detected by the rotating speed detector exceeds a set threshold, that the driving wheel is in a slip state. The slip determination prohibition unit is configured to prohibit the determination by the slip determination unit until a predetermined time elapses after a direction of torque outputted from the drive source is inverted.

An eco-friendly vehicle and a launch control method for an eco-friendly vehicle reduces an unpleasant secondary launch effect based on a gear alignment state of a transmission in a specific situation. The launch control method includes: determining a first condition for enabling a preset stop control when the first condition is satisfied; turning off a control for generating a creep torque of a motor when a brake is released; controlling a transmission in an open state and enabling the control for generating the creep torque; and when a second condition for revolutions per minute (RPM) of the motor is satisfied, controlling the transmission in a lock state through a slip state.

A variable gauge train control device comprises an inverter, a location detector, and a torque calculator. The inverter collectively controls torques of main electric motors. The location detector detects an entry into a gauge changeover section. The torque calculator, upon detection by the location detector of the entry into the gauge changeover section, suspends idling control that otherwise restricts the torques of the main electric motors and calculates a first torque pattern for making the inverter operate in accordance with the torques of the main electric motors.

Systems and methods for operating a driveline of a hybrid vehicle are presented. In one example, the systems and methods determine a driveline disconnect boost time during vehicle operating conditions when it may be less noticeable. The driveline disconnect boost time may then be used to close a driveline disconnect clutch in a way that may reduce torque disturbances through the driveline.

A method for operating a drive device for a motor vehicle, which has an internal combustion engine, an electric motor, and a gearshift transmission. A drive shaft of the internal combustion engine can be coupled by a shift clutch to a motor shaft of the electric motor and the motor shaft is coupled to a transmission input shaft of the gearshift transmission. A driven shaft of the drive device is coupled to or can be coupled to a transmission output shaft of the gearshift transmission. In a first shifting state, the shift clutch is disengaged for decoupling of the internal combustion engine and the electric motor and, in a second shifting state, is engaged for coupling of the internal combustion engine and the electric motor.