A hybrid vehicle includes an engine in which a particulate matter removing filter configured to remove particulate matter is disposed in an exhaust system; a motor configured to receive and output power; a driving circuit configured to drive the motor; an electric power storage device that is connected to the driving circuit; and a control unit configured to control the engine and the driving circuit. The control unit is configured, when a high temperature request for increasing a temperature of the particulate matter removing filter to a prescribed value or higher is issued, to control the driving circuit such that a loss of the driving circuit increases and to control the engine such that power greater than power at a time when the high temperature request is not issued is output from the engine.

The invention relates to an adaptive powertrain control for realizing an enhanced or optimized performance of one or more vehicle features. By monitoring vehicle performance, dynamic adjustments can be made to various vehicle operation parameters to enhance a feature of vehicle performance, such as fuel economy. A method (40) of controlling a vehicle powertrain includes monitoring vehicle performance (42) and determining whether at least one of a plurality of vehicle performance features may be enhanced (44). A plurality of operation parameters that are associated with the powertrain are identified that have a relationship to the at least one performance feature (46). An adjustment is automatically made to at least one of the identified operation parameters to thereby enhance at least one aspect of the at least one performance feature (48). The performance feature may comprise fuel economy or urea consumption.

The hybrid vehicle is provide with the control device configured to permit fuel cutoff of the engine when the SOC of the power storage device is greater than a first predetermined ratio, an amount of particulate matter deposited on the filter is less than a first predetermined amount, or a temperature of the filter is lower than a predetermined temperature. The control device is configured to set the allowable upper-limit ratio of the SOC: to a second predetermined ratio greater than the first predetermined ratio when the PM amount is less than a second predetermined amount less than the first predetermined amount, and to a third predetermined ratio equal to or less than the first predetermined ratio when the PM amount is equal to or greater than the second predetermined amount.

A method for regulation of a concentration/fraction of one or several substances in an exhaust stream in a motor vehicle through control of its driveline. The motor vehicle includes a driveline comprising a combustion engine; a driveline comprising a combustion engine connected to a gearbox, and an exhaust system for removal of an exhaust stream from the engine. The method includes the step: controlling the driveline for activation or deactivation of coasting of the vehicle based on one or several first parameters P.sub.1 for the regulation of a concentration/fraction C.sub.EXIX.sub.EX of one or several substances T.sub.EX in the exhaust stream, where at least one of the or several first parameters P.sub.1 are a first concentration/fraction difference between the first concentration/fraction C.sub.1/X.sub.1 in the exhaust stream and a reference concentration/fraction C.sub.RefIX.sub.Ref. Further, a computer program, a computer program product, a system and a motor vehicle such a system are disclosed.

The invention relates to a method of controlling a vehicle powertrain including determining that a performance feature associated with the powertrain is outside of a desired performance range. A plurality of operation parameters that are associated with the powertrain are identified that have a relationship to the performance feature. An adjustment is automatically made to at least one of the identified operation parameters to thereby bring the performance feature closer to the desired performance range. Preferably, the relationship comprises a mathematical model that corresponds to how the operation parameters influence whether the performance feature is within the desired performance range, the method further comprising identifying an actuator failure associated with the powertrain; determining at least one of the operation parameters corresponding to the actuator failure; determining a value of the corresponding operation parameter that is indicative of the actuator failure; and using the determined value as a fixed value for the corresponding operation parameter in the mathematical model.

A power generating set includes an engine operable in response to a flow of fuel to produce a flow of exhaust gas, a generator coupled to the engine and operable in response to operation of the engine to produce a total electrical power, and a primary load electrically connected to the generator to receive a portion of the total electrical power, the primary load having a cyclical pattern. A battery bank is selectively connected to the generator to receive a portion of the total electrical power and an insulated-gate bipolar transistor (IGBT) is positioned to selectively transition between a connected state and a disconnected state. The battery bank is connected to the generator to charge the battery bank when the IGBT is in the connected state and is disconnected from the generator when the IGBT is in the disconnected state.

A hybrid vehicle includes an internal combustion engine, a filter, an electrical storage device, a rotating electric machine, and a controller. The filter is configured to trap particulate matter in exhaust gas of the internal combustion engine. The rotating electric machine is configured to generate electric power using power from the internal combustion engine so as to charge the electrical storage device, and drive the internal combustion engine using electric power from the electrical storage device. The controller is configured to control the internal combustion engine and the rotating electric machine, so as to warm up the electrical storage device when regeneration control needs to be performed and when the temperature of the electrical storage device is lower than a reference value. The regeneration control is control for raising the temperature of the filter to a predetermined temperature so as to burn the particulate matter. The controller may be configured to execute the regeneration control when the temperature of the electrical storage device exceeds the reference value.

In a hybrid vehicle including: an engine having an exhaust system in which a filter that removes particulate matter is provided; a motor configured to generate a driving force for the hybrid vehicle; a power storage device configured to exchange an electric power with the motor; and an electronic control unit configured to control the engine and the motor. When an accumulation amount of the particulate matter of the filter is equal to or more than a predetermined accumulation amount, the electronic control unit is configured to permit fuel cut of the engine when a temperature of the filter is lower than a predetermined temperature, and the electronic control unit is configured to prohibit the fuel cut of the engine when the temperature of the filter is equal to or higher than the predetermined temperature.

A hybrid vehicle includes an engine that has a particulate matter filter, a motor, and an electronic control unit. The electronic control unit is configured to control the engine and the motor such that an intermittent operation of the engine is permitted and the hybrid vehicle travels with required power when a vehicle speed is lower than a first predetermined vehicle speed. The electronic control unit is configured to inhibit the intermittent operation of the engine when a deposition amount of particulate matters is equal to or greater than a first deposition amount and a state in which the vehicle speed is equal to or higher than a second predetermined vehicle speed and is lower than the first predetermined vehicle speed is continued for a first predetermined time.

When a starting point water temperature Twst is equal to or lower than a threshold value Twref1, catalyst warm-up control is executed, and when a cooling water temperature Tw becomes higher than the threshold value Twref1 or an operation time top of an engine becomes equal to or higher than a threshold value topref1, the control of the engine is shifted from the catalyst warm-up control to normal control. When the starting point water temperature Twst is higher than the threshold value Twref1 and is equal to or lower than a threshold value Twref2, PN suppression control is executed, and when the cooling water temperature Tw of the engine becomes higher than the threshold value Twref2 or the operation time top of the engine becomes equal to or higher than a threshold value topref2, the control of the engine is shifted from the PN suppression control to the normal control.