Abstract: An electric vehicle charging apparatus includes: a vehicle-side charging connector that is attachably and detachably connected to a charger-side connector provided in an outside vehicle charger; vehicle-side charging positive pole and negative pole lines that connect the vehicle-side charging connector and a power storage apparatus that is capable of being charged with the charger; a diode that is provided in the vehicle-side charging line, in which a forward direction is toward the power storage apparatus from the charger; and a resistor that is disposed in the vehicle to connect the vehicle-side charging positive pole line and the vehicle-side charging negative pole line between the diode and the vehicle-side charging connector.

Abstract: An operation plan preparation device includes a memory and a processor coupled to the memory. The processor executes a process including: generating a plurality of scenarios representing the possible set of supply and demand power curves that could occur under a given condition; first calculating an optimal operation plan by which the best evaluation value for a scenario in operation of a storage battery is obtained, and recording the evaluation value of that plan as a first evaluation value of that scenario; second calculating a second evaluation value for an operation plan candidate in the case when a scenario occurs in the operation of the storage battery; third calculating a difference between the first evaluation value and the second evaluation value relative to each scenario; and selecting the operation plan of the storage battery from among the plural operation plan candidates based on the difference.

Abstract: A vehicle is equipped with an engine, a motor generator, an electricity storing part, and an air-conditioning part. A control device for the vehicle includes: a determining portion that determines whether the vehicle approaches a destination; an estimating portion that estimates a cooling demand or a heating demand for a next trip of the vehicle; and a changing portion that changes a target value of a charge state of the electricity storing part from a normal value to a different value when the determining portion determines that the vehicle approaches the destination and when the estimating portion estimates that there is the cooling demand or the heating demand.

Abstract: A power supply system that supplies electric power to a load includes a first power storage device, a second power storage device, a power line for transmitting electric power input and output to and from the load, a converter for executing bidirectional DC voltage conversion between the first power storage device and the power line, and a switch connected between the second power storage device and the power line. When the switch is OFF, the control device performs voltage control of the converter so that a voltage value of the power line becomes a voltage command value, and when the switch is ON, the control device performs current control of the converter so that a current value of the first power storage device becomes a current command value.

Abstract: A method for displaying a distance to empty (DTE) of a vehicle include calculating an indicated distance to empty based on a learned fuel efficiency which is learned before starting. A target distance to empty is calculated based on an updated learned fuel efficiency which is updated until a present time. A driving mode is determined according to a difference between the indicated distance to empty and the target distance to empty. A final distance to empty is calculated according to the driving mode, and the final distance to empty is displayed.

Abstract: Methods and systems are provided for vehicles having a rechargeable energy storage system (RESS). A first sensor is configured to measure an ambient temperature for the vehicle. A second sensor is configured to measure a temperature of the RESS. The processor is coupled to the first sensor and the second sensor, and is configured to at least facilitate taking an action based on an expected degradation of the RESS after vehicle key-off based at least in part on the ambient temperature and the RESS temperature.

Abstract: When warming-up of a battery is in progress (S12), a battery charge state at the warming-up start time of the battery is set to a battery hold capacity SOChold (S14, S15), and a charge power for the battery is controlled so that a battery charge state SOC is kept at SOChold. When a present time is in a timer charge reservation time (S11), the charge power for the battery is controlled so that SOC becomes a full charge state SOCfull (S17). Even if SOC has a tendency to temporarily decrease due to a rapid increase of heater consumption power just after start of warming-up of the battery, by keeping SOC at SOChold (SOC=SOChold), SOC can reach a full charge state as intended during the timer charge reservation time. A proportion of charge using low-priced midnight power is increased to a maximum then running cost can be suppressed.

Abstract: A method is disclosed for controlling the operation of a mild hybrid electric vehicle having an engine and high and low voltage power systems selectively connectable via a DC to DC converter. The method comprises whenever possible using only a low voltage battery forming part of the low voltage power system to power low voltage loads during an engine E-stop performed automatically to save fuel and reduce emissions and whenever possible using only a high voltage battery forming part of the high voltage power system to recharge the low voltage battery when the engine is restarted following the E-stop.

Abstract: A driving pattern based plug-in hybrid electric vehicle (PHEV) energy consumption preplanning process enables a PHEV trip-oriented energy management control (TEMC) to utilize scalable levels of available trip foreknowledge in order to optimize the onboard energy (fuel and electricity) usage. The preplanning process generates an optimal battery state-of-charge (SOC) depletion profile for a given trip to be traveled by a PHEV. The preplanning process may generate the battery SOC profile using a driving pattern based dynamic programming (DP) algorithm. The TEMC controls the onboard energy usage in accordance with the battery SOC profile, which is optimized for the trip. The preplanning process makes use of spatial domain normalized drive power demand (SNDP) (or S-NDP) distributions in which each set of distributions is indicative of a respective driving pattern. The trip foreknowledge is used to select the driving pattern best representative of the driving process for the trip.

Abstract: A method and system for controlling a fuel cell vehicle are provided in which a bidirectional converter monitors a state of a fuel cell vehicle in real time to improve control responsiveness in a transient state of the fuel cell vehicle. The method includes receiving, by a bidirectional converter, a command for a current limiting value in the high voltage battery from the fuel cell controller while the fuel cell vehicle is driven. In addition, the bidirectional converter is configured to determine whether the fuel cell vehicle is switched to a predetermined mode and change the current limiting value of the high voltage battery. A predetermined control is performed by the bidirectional converter based on the changed current limiting value when the fuel cell vehicle is switched to the predetermined mode.

Abstract: Systems and methods for operating a battery pack supplying power to propel a vehicle are disclosed. One example method comprises, adjusting a battery pack state of charge window in response to vehicle mass. Adjusting the battery pack state of charge window in response to vehicle mass may allow the battery pack to provide an increased amount of energy to a motor so that the motor may provide torque to a driveline for a longer period of time and/or absorb more vehicle generator produced power during vehicle operations.

Abstract: Energy storage device for storing electric energy for the partial or complete electrical drive of a vehicle, wherein the device has energy storages and power storages, a drive unit of a vehicle with an energy storage device as well as method for operating an energy storage device.

Abstract: The invention relates to a method (40) for operating a battery arrangement (14) of a motor vehicle (10), in particular a traction battery of the motor vehicle (10), wherein expected environmental conditions and/or use parameters of the motor vehicle (10) are determined (42), wherein an expected withdrawal of energy from an electrical energy store of the battery arrangement (14) is determined (44), wherein a heat loss of the battery arrangement (14) is calculated (46) on the basis of the expected withdrawal of energy, wherein a temperature profile (30) of the battery arrangement (14) is predicted (48) on the basis of the calculated heat loss and the expected environmental conditions and/or use parameters, and wherein a temperature of the battery arrangement (14) is set (54) on the basis of the predicted temperature profile (30).

Abstract: A hybrid vehicle includes a combustion engine, an electric motor, and a drive train that is optionally connectible to the electric motor or the combustion engine. An operating mode of the hybrid vehicle is determined automatically as a function of a setpoint torque and an operating state of the hybrid vehicle, the operating mode specifying whether the combustion engine, the electric motor, or the combustion engine and the electric motor is/are used as the drive mechanism of the hybrid vehicle. The operating mode is determined at least such that an efficiency of the drive train including the drive mechanism selected in accordance with the determined operating mode is at a maximum. Depending on the determined operating mode, the combustion engine and/or the electric motor is/are coupled automatically to the drive train for operating the hybrid vehicle.

Abstract: A method for exiting the vehicle transport mode including placing the vehicle ignition in a predetermined position, monitoring the fuel level and exiting the vehicle transport mode when the fuel level exceeds a predetermined threshold. The method may also include the step of monitoring the inclination angle of the vehicle and maintaining the vehicle in the vehicle transport mode when the inclination angle exceeds a predetermined threshold.

Abstract: An ECU executes a program including: a step of calculating a reference value Itag_b; a step of performing a first Pchg calculating process when a SOC at present is not in a predetermined range or speed V of a vehicle is smaller than a threshold value, or when a target value Itag is not less than the reference value Itag_b; and a step of performing a second Pchg calculating process when the SOC at present is in the predetermined range between SOC(1) and SOC(2) and the speed V of the vehicle is not less than the threshold value V(0), and when the target value Itag is smaller than the reference value Itag_b.

Abstract: In a control apparatus for controlling front-wheel and rear-wheel rotating electrical machines capable of driving front and rear wheels of a vehicle on electrical power of a battery, a command torque determinator determines command torques for the rotating electrical machines based on a predetermined torque distribution ratio, a power distribution ratio calculator calculates a power distribution ratio based on the torque distribution ratio, an outputtable torque calculator calculates outputtable torques of the rotating electrical machines, a power distribution ratio corrector corrects the power distribution ratio based on the outputtable torques, and a power distributor distributes the electrical power of the battery between the rotating electrical machines in the corrected power distribution ratio.

Abstract: A power conversion device includes a first capacitor connected in parallel to a direct-current power supply, plural power converters that drive plural synchronous machines, a second capacitor connected in parallel to a direct-current side of power converters, a switching circuit inserted between the first and second capacitors, a switch-start instruction unit that controls starting of an operation of the power converters, and a control unit that controls the power converters based on a motor velocity and a voltage of the first capacitor. The switch-start instruction unit turns off the switching circuit while the power converters stop, turns off the switching circuit until a terminal voltage of each of the synchronous machines becomes equal to a predetermined value when each of the power converters starts operating, and turns on the switching circuit when the terminal voltage of each synchronous machine becomes equal to or smaller than the predetermined value.

Abstract: Disclosed is an electric vehicle, a battery charging station, and an electric vehicle battery exchange reservation system including the same. The electric vehicle includes a power level detection unit adapted to detect a power level of a battery mounted on the electric vehicle; a communication unit adapted to communicate with a battery charging station; and a control unit adapted to determine a battery charging station, in which the battery of the electric vehicle is to be exchanged, based on the power level of the battery and a route of travel of the electric vehicle and transmit a battery exchange reservation command to the determined battery charging station. Based on the battery power level of the electric vehicle, a battery charging station existing along the route of travel is requested to provide battery information, and battery exchange is reserved accordingly, so that batteries can be exchanged more efficiently and conveniently.

Abstract: In hybrid construction machine employing a hydraulic motor and an electric motor for the driving of the swing structure, satisfactory operability of a combined operation of the swing structure and other actuators is secured irrespective of the operating status of the electric motor. A control device of the hybrid construction machine executes control selected from: hydraulic/electric complex swing control for driving the swing structure by total torque of the electric motor and the hydraulic motor when a swing operating lever device is operated; and hydraulic solo swing control for driving the swing structure by the torque of the hydraulic motor alone when the swing operating lever device is operated.

Abstract: A hybrid hydraulic excavator includes: an engine; a generator motor; an electric storage device; a commanding system being configured to command at least activation of a service mode for maintenance and execution of a charge-release process for the electric storage device; a display being configured to provide at least information on the charge-release process for the electric storage device; and a display controller being configured to control displaying of the display. The display controller commands the display to display charge-release-failure information when the charge-release process is ongoing at the elapse of a predetermined duration of time since the activation of the service mode was commanded.

Abstract: Provided is an electric power control apparatus capable of suppressing charge/discharge with respect to an electrical storage device under an anomalous condition. The electric power control apparatus includes an electrical storage device including electrical storage modules, a module-temperature detection section, a temperature-condition judgment section, an adopted-module-temperature selection section, and a charge/discharge-electric-power-upper-limit setting section. The temperature-condition judgment section makes a judgment on a temperature condition of the electrical storage device based on a temperature detected by an electrical-storage-device temperature detection section.

Abstract: Provided is a hybrid construction machine preventing an electrical storage device from overcharge, including a hydraulic actuator, a hydraulic pump, a generator-motor which performs electric generator and motor actions, an engine, an electric actuator which generates regenerative electric power, an electrical storage device which performs a charge-and-discharge action with the generator-motor and the electric actuator, a charge-rate detector which detects a charge rate C1 of the electrical storage device, and a control section which controls an operation of the generator-motor and a charge-and-discharge action of the electrical storage device. The control section, when the charge rate C1 exceeds a set value Cs, performs overcharge-prevention control of making assist power by the electric motor action of the generator-motor be greater than that when C1?Cs, the set value Cs predetermined as a charge rate at which receiving the regenerative electric power can overcharge the electrical storage device.

Abstract: Method for adjusting a state-of-charge within an electrical energy storage device of a hybrid powertrain system includes monitoring a plurality of electrical energy storage device parameters and determining a discharge power capability of the electrical energy storage device based on the monitored plurality of electrical energy storage device parameters. If the discharge capability is less than a first threshold, a state-of charge adjustment mode is activated. The state-of-charge adjustment mode includes increasing a commanded state-of-charge to an elevated state-of-charge to increase the discharge capability to achieve the first threshold and maintaining the commanded state-of-charge at the elevated state-of-charge until the discharge capability achieves the first threshold.

Abstract: A driving control method for a hybrid vehicle has state of charge (SOC) ranges including a high SOC range, an intermediate SOC range and a low SOC range, and a plurality of power distribution strategies corresponding to the respective SOC ranges. The driving control method controls the hybrid vehicle using a power distribution strategy corresponding to an SOC range to which a current SOC of the hybrid vehicle belongs. When a speed of the hybrid vehicle is high or low and is outside a predetermined range, boundary values of the intermediate SOC range and the low SOC range among the SOC ranges are increased.

Abstract: A vehicle control apparatus includes a motor unit, a power accumulating device, a charging power control section, a vehicle state detecting section, a braking/driving force control section, a turning determination section and a charging power correction section. The motor unit is configured to generate an independent driving/braking force for at least each of left and right driving wheels. The charging power control section is configured to set charging power supplied to the power accumulating device in accordance with a power accumulation state of the power accumulating device. The braking/driving force control section is configured to control a braking force or a driving force generated by the motor unit based on the operating state of the vehicle. The turning determination section is configured to determine whether a prescribed vehicle turning condition exists. The charging power correction section is configured to increase the charging power when the prescribed vehicle turning condition exists.

Abstract: A system and method is provided for balancing a storage battery for an automotive vehicle. The battery is of the type including a plurality of storage cells. The system includes a thermoelectric device and a controller. The thermoelectric device receives thermal energy and converts the thermal energy into electric energy. The controller determines a subset of the storage cells in the battery to be charged based on an amount of electric charge in each of the storage cells. Furthermore, the controller causes the electric energy to be distributed to each storage cell in the subset in an effort to balance the battery in the vehicle.

Abstract: A method and system for conditioning an energy storage system (ESS) for a vehicle, like a high-voltage battery or a fuel cell used for vehicle propulsion. It may be detrimental for a high-voltage battery in a parked vehicle to be exposed to extreme temperatures for an extended period of time. Thus, the method and system may be used to condition such a battery—for example, by heating it up if it is too cold or by cooling it down if it is too hot—so that the performance, durability, lifespan and/or other aspects of the battery are improved. In an exemplary embodiment, the method predicts if the battery will need conditioning the next time the vehicle is parked and, if such conditioning is needed, then the method predicts if the battery has sufficient charge to perform this conditioning. If the charge appears insufficient, then the method operates an energy generator that provides additional charge to the battery in anticipation of the needed conditioning.

Abstract: When an abnormality except for a temperature abnormality of a travel-purpose battery is detected, a battery of the present invention renders a system main relay to make a change to a battery-less travel mode while using a battery cooling fan to cool the travel-purpose battery. When a temperature abnormality of the travel-purpose battery is still detected, a system-off command signal is output to cause the hybrid vehicle to become unable to travel. In this way, limp home mode and system shutoff of the hybrid vehicle can be surely implemented even in the case where an abnormality occurs to the travel-purpose battery.

Abstract: In an electric-mileage learning when a running mode of a plug-in hybrid vehicle is a CD mode, acquisition of information for the electric-mileage learning is not performed in the case where the running mode is changed from the CD mode to a CS mode during one trip even when the running mode is changed to the CD mode afterward. The electric-mileage learning is performed by calculating a trip electric mileage using only information acquired in the CD mode before a change to the CS mode for the first time. This avoids inclusion of an error caused by running on the uphill road in the CS mode in a learned electric mileage even when the running is performed. This enhances the accuracy of the learned electric mileage, thus accurately calculating a possible EV running distance.

Abstract: In the present specification, degradation of a battery is suppressed in a hybrid vehicle having an EV mode in which the hybrid vehicle runs without using an engine and an HV mode in which the hybrid vehicle runs using both the engine and a motor. A controller of the hybrid vehicle is configured to limit a usage range of the battery in the EV mode with an execution request of the EV mode having been made by an information input from outside to the vehicle than in the EV mode with no execution request. The degradation of the battery is suppressed by limiting the usage range of the battery.

Abstract: A method for controlling a powertrain system includes monitoring an operator torque request, selecting a candidate powertrain system operating point, and determining a preferred engine torque range, a preferred torque machine torque range, and a preferred energy storage device output power range. The method further includes determining an engine torque, a torque machine torque, and an energy storage device output power based upon the operator torque request and the candidate powertrain system operating point. Power costs for operating the powertrain at the candidate powertrain system operating point are determined based on the determined engine torque, the determined torque machine torque, and the determined energy storage device output power range. Penalty costs are determined relative to the preferred engine torque range, the preferred torque machine torque range, and the preferred energy storage device output power range for operating the powertrain at the candidate powertrain system operating point.

Abstract: A hybrid vehicle (100) includes a voltage step-up device (17). The voltage step-up device (17) is provided between driving devices (18, 20) and an electrical storage device (16), and steps up input voltages of the driving devices (18, 20) to a voltage of the electrical storage device (16) or above. An HV-ECU (36) determines whether it is possible to reduce a CO2 emissions for a predetermined travel route by increasing the voltage of the electrical storage device (16). Then, when it is determined that it is possible to reduce the CO2 emissions, the HV-ECU (36) controls an SOC of the electrical storage device (16) so as to increase the SOC at a start of the travel route.

Abstract: An apparatus for charging batteries of an electric or hybrid vehicle includes a station. The station is located at a parking lot of a business. The station is preferably connected to a telephone line, CAT 5 or other cable, Internet or Wi-Fi to accommodate communication. A computer is connected to a remote server to receive updated vehicle charging parameters. A pivoting docking boom on the station cooperatively engages with a vehicle-charging boom located on the vehicle. Electrical contact pins on the vehicle-charging boom mate with sockets on the docking boom. A centerline pin grounds the vehicle to the station. The electrical contact pins permit up to three-phase charging capability and transmission of desired data. The station monitors the charging of the batteries and reports any problems. The station performs vehicle and payment confirmation without the driver exiting the vehicle. An alternate embodiment includes the station at a residence or garage.

Abstract: An apparatus is described including a hybrid power train having an internal combustion engine and an electric motor. The apparatus includes a hybrid power system battery pack that is electrically coupled to the electric motor. The apparatus includes an energy securing device that is thermally coupled to the hybrid power system battery pack. The energy securing device selectively removes thermal energy from the hybrid power system battery pack, and secure removed thermal energy. The energy securing device secures the removed thermal energy by storing the energy in a non-thermal for, or by using the energy to accommodate a present energy requirement.

Abstract: A battery ECU detects a state of charge and a temperature of a power storage unit, and transmits the state of charge and the temperature to an HV-ECU. The HV-ECU calculates the charge/discharge allowable power of the power storage unit based on the state of charge and the temperature of the power storage unit, and sets control-specific charge/discharge allowable power by correcting the charge/discharge allowable power so as to limit the charge/discharge allowable power to be changed at a predetermined first change speed. The HV-ECU then determines the power target value in accordance with the request from the driver within the range of the control-specific charge/discharge allowable power.

Abstract: Disclosed herein is a system and method for incipient drive of a slow charger for a vehicle. Specifically, an incipient drive entry of the slow charger used when a battery is charged in an electric vehicle (EV) or a plug-in hybrid electric vehicle (PHEV) may be performed. The method includes operating, by a controller, a regulator by outputting a control pilot (CP) signal from electric vehicle supply equipment (EVSE). Additionally, the method includes operating, by the controller, a flip-flop by outputting a driving signal from the regulator and operating a switching mode power supply (SMPS) by outputting a driving signal from the flip-flop. The method further includes resetting, by the controller, the flip-flop by outputting a reset signal from a central processing unit (CPU) turned on by the SMPS.

Abstract: A battery system includes a plurality of battery modules electrically coupled together in series. The battery system also includes a first electronic control unit (ECU) configured to act as a master ECU. The master ECU is electronically coupled to a first one of the plurality of battery modules. The battery system further includes a plurality of slave ECUs, wherein each slave ECU is electronically coupled to one of the other of the plurality of battery modules. The master ECU is configured to control whether electrical power is provided to each of the plurality of slave ECUs.

Abstract: An electric drive vehicle is equipped with a battery usable for traveling and chargeable by an external power supply and a vehicle-side ECU that permits the battery to be charged by a power generating unit capable of charging the battery in a case where power supplied from the external power supply is smaller than a predetermined threshold value ? that is defined with regard to an acceptable power of the battery. More specifically, the vehicle-side ECU permits the battery to be charged by the power generating unit in a case where power supplied from the external power supply is smaller than the predetermined threshold value ? and a parallel charging request switch is operated so as to execute parallel charging.

Abstract: The invention relates to vehicles for transporting persons and/or goods, which vehicles travel on roads or alternatively on rails and at least partially use electrical energy using electric motors as drive units, wherein the electrical energy used is predominantly or substantially produced within the vehicle by converting kinetic energy, in particular components of the kinetic energy that are caused on the vehicle bodywork as gravitation effects and components of the kinetic energy from curve centrifugal forces and acceleration motions of the vehicle body, the vertical dynamic acceleration motions of the wheels and wheel suspensions, and other components, wherein the electrical energy generated in such away is temporarily stored in chemical energy stores (batteries) and/or other suitable storage media, for example, high-power capacitors or flywheel stores, until the electricity is used in the vehicle drive motors and/or other loads.

Abstract: Provided are a hybrid vehicle and control method thereof. The hybrid vehicle has a power storage device, an internal combustion engine, a power generation device, an input device and an electronic control unit. The electronic control unit is configured to control charging of the power storage device by the power generation device in such a manner that charging of the power storage device is promoted when an increase of the power storage amount is requested through the input device, and in a state where an increase of the power storage amount has been requested through the input device, to suppress charging of the power storage device when a travel load is small, as compared to when the travel load is large, and to mitigate suppression of charging of the power storage device when a predefined condition is met during suppression of charging of the power storage device.

Abstract: A hybrid vehicle includes a power storage device, an engine, a power generation apparatus, an input apparatus, and an ECU. The power generation apparatus is configured to generate charging power of the power storage device by using output of the engine. The input apparatus is configured to request, by a user input, an increase in a power storage amount of the power storage device. The ECU is configured to: (a) control charging of the power storage device by the power generation apparatus and accelerate the charging of the power storage device, when the increase in the power storage amount is requested, and (b) suppress charging of the power storage device at the time when a travel load is small in comparison with charging of the power storage device at the time when the travel load is large, when the increase in the power storage amount is requested.

Abstract: In a method for determining a power limiting value for an electric machine in a vehicle, the electric machine being assigned an energy storage device, an intermediate power value is calculated from a maximally allowable current of the energy storage device and an instantaneous voltage. A corrected intermediate power value is determined by adding at least one power loss to the intermediate power value. A first correction value is determined for reducing the absolute value of the corrected intermediate power value if an instantaneous power of the energy storage device is greater than the absolute value of the calculated intermediate power value. The power limiting value is determined by superimposing the first correction value on the corrected intermediate power value.

Abstract: A hybrid working machine includes an engine, an assist motor configured to assist the engine, a hydraulic pump driven by the engine, an electric power accumulating unit configured to feed the assist motor with electric power, an electric-discharge electric motor configured to perform power running with electric power of an electric power accumulator of the electric power accumulating unit, an electric-discharge hydraulic motor connected to the electric-discharge electric motor, and a hydraulic circuit configured to control driving of the electric-discharge hydraulic motor. The hydraulic circuit includes a circulation circuit configured to be connected to a hydraulic feed port and a hydraulic discharge port of the electric-discharge hydraulic motor and a selector valve configured to perform such switching as to connect the electric-discharge hydraulic motor to the circulation circuit at a time of performing an electric discharge operation.

Abstract: A system for operating an hybrid vehicle is described. The system includes an hybrid operating strategy module for controlling hybrid operating functions of the vehicle based on input data, a navigation system providing vehicle routing input data to the hybrid operating strategy module, and a traffic information system providing traffic information input data to the hybrid operating strategy module. The hybrid operating strategy module determines electric portions of the vehicle route for charging batteries of the vehicle and inner portions of the vehicle route for prioritizing electric driving.

Abstract: A vehicle having a battery pack with cells grouped into subsets and at least one controller programmed to charge and discharge the battery pack is disclosed. A control output is generated based on a pack state of charge derived from each cell's initial state of charge at vehicle activation and an electric charge accumulated or spent by less than all of the cells of each of the subsets since vehicle activation. A method of estimating battery pack state of charge is disclosed in which a pack state of charge is calculated by identifying subsets of cells having similar properties and calculating an electric charge accumulated or spent for fewer than all of the cells of each subset. A cell state of charge is calculated for all cells based on an average electric charge accumulated or spent. The pack state of charge is based on all the cell states of charge.

Abstract: A fuel cell vehicle is provided that can perform communicative filling only in a case in which it is possible to perform communicative filling appropriately. The vehicle includes: a pressure sensor and temperature sensor; a communication system that transmits data signals generated based on the outputs of these sensors; a battery; a lidded box that protects a hydrogen feed port; a lid switch; and a communicative filling ECU that activates the communication system after the lid has been opened. The ECU determines, based on the state of an activation prohibited flag, whether being a state in which activation of the system is not permitted in response to an opened-state of the lid having been detected. The ECU does not activate the system in a case of the flag being ON, and activates the system in a case of the flag being OFF.

Abstract: A control device for a hybrid vehicle causes the hybrid vehicle to travel in limp-home mode with motive power from an engine when either a motor or a battery for travel cannot be used. The engine incorporated in the hybrid vehicle includes an EGR device for recirculating part of exhaust gas to an intake system of the engine again. Even if an operation state of the engine satisfies a prescribed EGR permission condition for operating the EGR device, during the travel in limp-home mode with an abnormality detection flag being set to 1, the control device prohibits operation of the EGR device.

Abstract: Disclosed is an electrical leakage diagnosis apparatus for a vehicle which uses an insulation resistance sensor. The apparatus includes an insulation resistance sensor; a main switching part; and a battery power management part configured to terminate the operation of a driving part so as to control a driving motor of a vehicle when the value of a first insulation resistance outputted from the insulation resistance sensor is less than a previously set threshold value, and to determine that an insulation breakage has occurred in one or more driving components when the value of a second insulation resistance, measured after terminations of the driving components, exceeds the threshold value and to terminate the operation of the vehicle by turning off the main switching part so that electrical power supplied from the high voltage battery to the electrical field loads of a vehicle is disconnected.

Abstract: A battery charging control device for controlling a power generation device installed in an electric vehicle sets a battery energy management area using a current position of a host vehicle as a reference, detects at least one travelable route within the battery energy management area, calculates a battery energy management upper limit value and a battery energy management lower limit value on the basis of a maximum value and a minimum value of energy values required to travel to respective points on the travelable route from the current position, and calculates a battery energy management width by subtracting the management lower limit value from the management upper limit value. When the battery energy management width is not within a predetermined range, the battery energy management area is modified so as to enter the predetermined range.