In a hybrid vehicle that selects a series mode in which an engine drives a motor generator to generate electric power and a driving motor drives drive wheels, the series mode is suspended to temporarily stop fuel supply to the engine, and the motor generator forcedly drives the engine using electric power supplied from a driving battery to perform motoring, and failure determination of the O2 sensors is performed based on oxygen concentrations of an exhaust gas from the engine detected by a front O2 sensor and a rear O2 sensor when the fuel supply to the engine is stopped and when the fuel supply is restarted after finish of the motoring.

A hybrid vehicle including: an engine; a motor; a power storage device; and a control device configured to: i) automatically start and stop the engine; ii) execute, in a current trip, a power storage capacity decreasing control of controlling the engine and the motor such that a power storage capacity of the power storage device in a case where the hybrid vehicle is predicted to be parked at a predetermined point is lower than that in a case where the hybrid vehicle is predicted to not be parked at the predetermined point, and execute, in a next trip, a power storage capacity recovering control; and iii) limit execution of the power storage capacity decreasing control when the hybrid vehicle is predicted to be parked at the predetermined point is predicted and a stopping prohibiting condition for the engine is satisfied.

A vehicle control apparatus includes: a state determining portion configured to determine whether an engine is in a first operational state corresponding to a normal operation state or a second operational state corresponding to an engine stop state in which the engine is stopped and/or a catalyst warming-up state in which the engine is operated to warm up a catalyst; and a shift control portion configured, in process of a shifting action of a transmission mechanism, to control at least an engaging pressure of an engaging coupling device as one of a plurality of coupling devices of the transmission mechanism, which is to be placed in an engaged state upon completion of the shifting action, such that the engaging pressure of the engaging coupling device is controlled to be lower when the engine is in the second operational state, than when the engine is in the first operational state.

A control device for a hybrid vehicle, includes a travel route creation unit creating a travel route from a starting point to a destination through a stopping point by referring to map information; a parking time period estimation unit estimating a parking time period of the hybrid vehicle at the stopping point; a travel load prediction unit predicting a traveling load of the hybrid vehicle in each of sections obtained by dividing the travel route by referring to the map information; and a travel mode setting unit setting, for each of the sections, a traveling mode of an EV mode, in which the battery provides power for traveling as a main power supply, or an HV mode, in which the internal combustion engine provides the power for traveling as the main power supply, on the basis of the parking time period and the traveling load.

Methods and systems are presented for regenerating a particulate filter. In one example, vehicle speed control mode parameters may be adjusted in response to an amount of soot stored in a particulate filter being greater than a first threshold. The vehicle speed control parameters may be returned to base values in response to the amount of soot stored in the particulate filter being less than a second threshold.

The invention relates to a system comprising a plurality of first sensors to measure parameters characterizing a vehicle operating state; a second sensor to measure a parameter characterizing an emission of an fuel processing apparatus; a control device to measure repeatedly over a predefined time period and to determine a vehicle operating state based on a first data set with measured values from the plurality of first sensors and predefined parameter ranges describing a predefined vehicle operating state; an allocation device to allocate a second data set comprising measured values from the second sensor to the predefined vehicle operating state; and an evaluation device to determine a characteristic value for assessing or optimizing the operating behavior of the vehicle based on the vehicle operating state and the second data set, wherein the characteristic value characterizes an energy efficiency of the vehicle or an emission behavior of the fuel processing apparatus.

A control apparatus for a vehicle provided with an engine having a filter for removing particulate substances from an exhaust emission, drive wheels, and an automatic transmission, includes: a shift control portion configured to control a speed ratio of the automatic transmission; a drive power source control portion configured to control an output of the engine on the basis of the operator-required vehicle drive force; an engine output limiting portion configured to limit the output of the engine, preferentially to an output control of the engine by the drive power source control portion, while the filter is plugged with the particulate substances accumulated therein; and an upper limit setting portion configured to set an upper limit of the operator-required vehicle drive force used by the shift control portion, on the basis of limitation of the output of the engine by the engine output limiting portion.

A control device for an internal combustion engine includes processing circuitry. The processing circuitry is configured to execute a purging process that draws the fuel vapor trapped in the canister into the intake passage by controlling the purge valve, a fuel feeding process that feeds the air-fuel mixture, which includes the fuel supplied to the cylinder, to the exhaust passage without burning the air-fuel mixture in the cylinder, and a fuel supply process that supplies fuel to the cylinder when the fuel feeding process is being performed. The processing circuitry is further configured to perform the fuel supply process by performing the purging process.

Power system optimization is disclosed. An example power system described herein may include an engine control module that receives measurements associated with sensors, identifies settings associated with control devices, determines that a first set of parameters associated with the one or more control devices is to be optimized according to a first optimization process, iteratively performs the first optimization process until the first set of parameters are optimized, determines that a second set of parameters associated with the one or more control devices are to be optimized according to a second optimization process, iteratively performs the second optimization process until the second set of parameters are optimized, and, after the second set of parameters are optimized according to the second optimization process, configures one of the control devices to operate using an optimized value for the control device determined using the second optimization process.

A hybrid vehicle is provided. A vehicle V has a gasoline particulate filter (GPF) provided on an exhaust passage to capture particulate matter (PM) included in exhaust, a generator motor connected to a crank shaft of an engine, an exhaust temperature sensor acquiring a filter temperature correlated with a temperature of the GPF, and an electronic control unit (ECU) performing motor drive control for rotating the crank shaft with the generator motor when a filter temperature is higher than or equal to a PM combustion start temperature and a PM combustion integration amount that is an integration amount of PM combusted in the GPF is less than a PM discharge integration amount.