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JP2009189154 |
To identify an abnormal portion of a charging circuit in an electric vehicle in which a power storing device capable of storing power for travelling of a vehicle can be charged from an AC power supply outside the vehicle.While changing a...
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JP2009189198 |
To reduce the capacitance of a discharge resistor and to reduce constraint on installation space due to heating, by performing on/off control with the switch for a discharge circuit under an excessive DC voltage.As an excessive voltage u...
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JP2009189181 |
To protect equipment including power conversion units by controlling a switching frequency (carrier frequency) of the inverter so that the relationship between the temperature of magnets of an AC motor and the temperature of the power co...
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JP2009179196 |
To secure an opportunity to determine whether abnormality is determined when there may be abnormality in a difference between a detected value that is a difference between a detected atmospheric pressure that is an atmospheric pressure d...
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JP2009177991 |
To properly satisfy a request of a drive force in a fore-and-aft direction and a request of a drive force in a cornering direction in a vehicle in which at least one of pairs of right and left front wheels and right and left rear wheels ...
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JP2009177967 |
To control the heat generation of a motor and incompatibility to a driver.In a vehicle, a torque reduction rate value RT1 is set with a tendency of becoming smaller as road surface gradient and vehicle weight M get larger (S340), when an...
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JP2009177994 |
To output a drive force capable of coping with a change in the operation of a driver as much as possible when the operation or the state of a vehicle is changed when drive sources are independently provided in fore-and-aft and right and ...
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JP2009171772 |
To simplify charging control at low cost, relating to a vehicle on which a current collecting device for obtaining electric current from an overhead wire and an accumulator are mounted, for travelling on a track not having the wire parti...
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JP2009171768 |
To provide a controller for an electric vehicle which effectively reduces a loss of an inverter, and to provide the electric vehicle having it.A carrier frequency setting portion 64 sets a carrier frequency FC based on a torque command T...
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JP2009165326 |
To suppress overdischarge or the like of an electricity accumulating means resulting from a slip by idling of driving wheels.In a hybrid motor vehicle 20, when vehicle motion integrated control by a brake ECU 95 is canceled, a target sli...
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JP2009163947 |
To provide a fuel cell system or the like capable of boosting a voltage to a step-up ratio higher than an existing fuel cell system.The fuel cell system is provided with a fuel cell and a soft switching converter of pulse width modulatio...
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JP2009165243 |
To provide a fuel cell system that employs a more compact relay for interrupting the output of a fuel cell.A fuel cell system 10 for supplying power to a motor 16, and the like, includes a fuel cell 11, an FC step-up converter 12, i.e. a...
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JP2009165315 |
To simply cope with fluctuation in the different width between an overhead-line voltage and an energy storage voltage by one of step-up voltage control or step-down voltage.In a railway rolling stock, an energy storage device 4 charged a...
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JP2009165246 |
To provide a fuel cell system which can step up the output voltage of a fuel cell by soft switching, and to provide a step-up converter for fuel cell.A fuel cell system 10 comprises a fuel cell 11, i.e. a DC power supply, and a step-up m...
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JP2009155989 |
To provide a revolving drive control device and construction machine including it, controlling the braking force according to the work status.An upper revolving structure of the construction machine is driven to revolve by a revolving mo...
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JP2009159792 |
To provide a driving apparatus improved in accuracy in calculation of a rotating speed in a rotor equipped in a motor.In the driving apparatus, a plurality of sensors outputting pulse signals in response to the approaching speed of magne...
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JP2009159682 |
To provide a driving force controller providing a function for improving efficiency of a driving force source and a function for improving travel stability of a vehicle.The driving force controller has a driving force source generating t...
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JP2009159663 |
To provide a motor drive device including multiple converters connected in parallel wherein the production of overvoltage can be prevented when a system is brought to an emergency stop.A first converter 10-1 and a second converter 10-2 a...
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JP2009159789 |
To suppress a fuel-cell system from excessively generating power over a vehicle travelling electric power by turning off an accelerator during controlling a traction.An HV-EUC 12 is equipped with: a TRC torque annealing processor 112 to ...
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JP2009159793 |
To provide a vehicle control unit capable of calculating a yaw moment M acting on a vehicle, with no use of slip rate s and slip angle of a tire.The speed of each wheel in lateral direction is calculated based on the speed of a vehicle b...
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JP2009153251 |
To provide an onboard system controller for easily identifying a cause of a failure in a DC/DC converter.If a conversion from an input voltage into an output voltage fails, the DC/DC converter 40 included in an onboard system outputs an ...
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JP2009149179 |
To provide the control apparatus of a power transmission apparatus for a vehicle for suitably suppressing rotational change affecting durability of a motor when a shift position in a direction opposite to a vehicle traveling direction is...
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JP2009153348 |
To reduce the size and weight of a power supply for electric vehicle for supplying power to a lighting or an air conditioner of an electric vehicle.The power supply for electric vehicle 1 is provided with: first to third inverter phases ...
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JP2009153274 |
To provide a vehicular power supply unit capable of effectively preventing degradation in a contact of a precharge relay at current cut-off due to a precharge fault.This vehicular power supply unit includes: contactors 2 connected respec...
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JP2009137404 |
To provide a vehicular drive device for adequately protecting a power control unit from any external shock.The vehicular drive device includes a motor generator for generating the driving power, and a power control unit (PCU) 21 which is...
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JP2009142038 |
To provide a vehicle drive unit with improved assembling performance and suppressed increase in size.The vehicle drive unit comprises: motor generators MG1 and MG2 which generate drive forces and are arranged apart from each other; a mot...
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JP2009136141 |
To reduce a power loss at low torque and high-speed rotation.Using secondary side target voltage characteristics (Fig. 4), a secondary side target voltage Vuc*m corresponding to a rotation speed, which is assigned to a target torque T* o...
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JP2009131077 |
To provide a power supply unit for vehicle, capable of suppressing charging the losses in charging a plurality of storage apparatuses from the outside of a vehicle.This power supply unit for vehicle is installed in parallel to an inverte...
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JP2009130993 |
To more properly control a high-voltage system voltage control circuit connected to a low-voltage system having a power storage device connected thereto and to a high voltage system having a power generator and a drive circuit of an elec...
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JP2009126189 |
To provide a wheel driving device of a vehicle capable of effectively improving efficiency of a traction motor.The wheel driving device of the vehicle, having the traction motor 20 provided with a stator 21 and a rotor 22 arranged in a c...
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JP2009130992 |
To more properly drive an electric motor in accordance with a target SOC (state of charge).An estimated load Lest of a motor is set at the tendency in which Lest is large as management center SOC* of a battery is smaller (S240), a basic ...
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JP2009131079 |
To improve drivability by automatically canceling the restrictions on boosting of a converter according to the accelerator pedal stroke when an "eco" economical switch is in an on state.A control section 50 of a control device 10 for a v...
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JP2009120020 |
To provide a wheel drive system for a vehicle capable of effectively improving efficiency of a traction motor.The wheel drive system has a rotor shaft 25 and the traction motor 20 having a stator 21 and a rotor 22 provided in a case 3 at...
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JP2009124810 |
To enhance a novel control method wherein the detection of the occurrence of slip or slid and the activation of readhesion control are separated from each other.When an occurrence of slip or skid of driving wheels increases the circumfer...
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JP2009124823 |
To provide a controller of a railway static power conditioner that controls the DC voltage of an inverter constantly and can control the effective power or reactive power of M-seat and T-seat more effectively.In the controller 3 of a rai...
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JP2009124854 |
To provide a rotary electric machine control system capable of operating a rotary electric machine under operation conditions required for the rotary electric machine without restricting torque as much as possible, and sufficiently prote...
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JP2009120021 |
To provide a wheel drive system for a vehicle capable of effectively improving efficiency of a traction motor.The wheel drive system for a vehicle has the traction motor 20 having a stator 21 and a rotor 22 provided in a case 3 attached ...
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JP2009118659 |
To provide a power system of a vehicle, which can be charged from various power supplies and has a reduced charging loss.The power system of a vehicle is equipped with batteries BA and BB; motor generators MG1 and MG2 which work as rotat...
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JP2009118544 |
To reduce side band noise, and besides, suppress its power loss.A motor controller PWM-controls the coil voltage of a motor so as to make the output torque of the motor the target torque, by determining the carrier frequency of PWM pulse...
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JP2009118716 |
To provide a driving device for vehicle, capable of improving the cooling performance, and dust-separating and removing performance.The driving device for vehicle includes a motor body 10, a cooling fan 12 mounted outside the case of the...
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JP2009112163 |
To make a primary-side capacitor miniaturized and lowered in cost, and to prevent a ripple of a primary-side voltage by smoothly controlling a secondary-side voltage of a converter.Since the primary-side capacitor 22 is made small in cap...
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JP2009111435 |
To provide a capacitor module which has connecting structure capable of providing high vibration resistance and a low inductance.The capacitor module includes a plurality of capacitors, and a laminate formed by a first wide conductor and...
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JP2009107528 |
To provide a hybrid car for driving a permanent magnetic motor with high efficiency and low noise from activation to a high speed operation under magnetic pole position sensorless control.The hybrid car 1 is loaded with an internal combu...
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JP2009106032 |
To secure stable traveling and continuous operation by suppressing generation of harmful harmonic components even when the output of a common zero-cross signal fails, in a controller for AC electric vehicle.The controller for AC electric...
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JP2009106099 |
To provide a controller for motor, which reduces the vibration of the number of rotations of a motor, and a control method thereof.The controller 10 is equipped with a filtering section 12 which includes a transmission characteristic G(z...
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JP2009100548 |
To provide an electric vehicle control unit for reducing inverter harmonic current in a specified signal frequency band, by changing a synchronous single-pulse control mode into a multiple-pulse control mode, when the synchronous single-...
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JP2009100566 |
To provide a device for bailing a vehicle out of a stuck state, which can execute the reverse rotation of a motor at an appropriate timing and thereby can be sure to bail the vehicle out of the stuck state rapidly.When the rear wheel(s) ...
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JP2009095079 |
To downsize an auxiliary power unit by enabling a reactor for reducing current ripple in the auxiliary power unit and a regenerative power storage unit to be shared.The electric rolling stock controller includes: a power converter 18, wh...
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JP2009095078 |
To provide a variable field motor device in which an axial direction length of a rotary shaft is small, and a motorcycle with the variable field motor device.The variable field motor device M has: a base 5; a motor rotary shaft 6 rotatab...
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JP2009093852 |
To provide a sealing structure of a connector for signal communication of high reliability, and also to provide an inverter device for a vehicle using the same.The sealing structure is provided with a connector for signal communication, ...
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