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JP2011067093 |
To provide a power converter that reduces noise.The power converter includes: a DC connector 138; a first power module which converts DC current supplied from the DC connector 138 into AC current and outputs the AC current to a motor gen...
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JP2011062013 |
To provide an electric vehicle controller with which rotor position and frequency can be estimated, even during coasting running or stopping of a train.In a device for performing drive control of a permanent magnet synchronous motor 1, t...
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JP2011061957 |
To provide a control device of a vehicle that is enhanced in the probability for early detection of a failure; and to provide a control method.A control section has an emergency switching condition for switching a first mode to a second ...
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JP2011061921 |
To improve mileage by suppressing a power loss in a system, while ensuring required operability, in a motor driving system for electric vehicles.In the motor driving system for an electric vehicle which comprises a converter for DC volta...
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JP2011051545 |
To improve low-temperature starting characteristics of an engine while satisfying requirements such as miniaturization and cost reduction of a drive system in a vehicle having an engine and a motor generator as drive sources.A low voltag...
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JP2011055676 |
To suppress the fluctuation of a system voltage by a current zero-cross changing over the polarity of a battery current (a current flowing between a DC power supply and a step-up converter).The battery current IB is obtained on the basis...
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JP2011051554 |
To provide a motor control device for hybrid vehicle, capable of reducing uncomfortable noise by operating sound of a motor, which is felt by the vehicle interior occupant.The motor control device for hybrid vehicle includes: a determina...
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JP2011050183 |
To provide an inverter device preventing a motor from overheating, while it absorbs a regenerative power of the motor in the motor according to the charging condition of a battery.A control unit 11 obtains a regenerative power Wb, that c...
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JP2011050196 |
To achieve a motor control proper in response to the operation state of a power supply for travelling by a simple configuration.In an electric vehicle 1, a torque-current command value Iq* to a motor 10 and an excitation-current command ...
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JP2011042216 |
To provide a controller and a control method for a hybrid vehicle capable of appropriately controlling power requested by an internal combustion engine when the internal combustion engine is started.A travel control unit 250 selects one ...
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JP2011041373 |
To provide a power converter configured to improve the efficiency thereof and a motor.The power converter includes a DC power source 2, a potential selector 3 which selects one of the plural potentials of the DC power source 2, a smoothi...
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JP2011041447 |
To provide a means in a brushless motor sensorless drive system, by which a rotational state before starting is detected to determine a proper starting method, exact reverse brake control is achieved when a reverse rotational state is de...
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JP2011041342 |
To secure sufficient control performance of a traveling motor, by suppressing deterioration in rotation angle detection accuracy, even if there is an output waveform distortion of a resolver due to shape variation of the resolver, in a c...
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JP2011041461 |
To provide a system for multiple energy storage and management and a method of making the same.A propulsion system comprising an electric drive, a DC link electrically coupled to the electric drive, a first energy storage system electric...
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JP2011031870 |
To provide the variable voltage control method of a hybrid car whose fuel consumption is improved.There is provided the variable voltage control method of a hybrid car, in which the rotary shaft of a motor is connected to the output shaf...
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JP2011036072 |
To provide a controller of an electric vehicle enabling a quick shift response while suppressing a shift shock in the electric vehicle equipped with a stepped automatic transmission.The controller of the electric vehicle includes a motor...
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JP2011036028 |
To provide a power converter capable of realizing at least one of high-speed rotational driving of a motor and rapid charging of DC power source at a low cost.The power converter includes a first DC power source which has a DC power conv...
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JP2011036029 |
To provide a power converter in which a single phase converter and a three-phase inverter with reduced dimension of a conductor are arranged to reduce a manufacturing cost and result in improved mountability on a vehicle.A U-phase circui...
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JP2011036078 |
To provide a motor controller which can reduce vibration occurring in a motor even when a plurality of motors are driven.The controller of the motor controller corrects the displacement of rotation angle to 180 degree by controlling the ...
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JP2011030345 |
To further simplify a constitution of a power control circuit, and to prevent an idle slide in a cross region between torque characteristics at double-speed expansion and a limit adhesion curve of a wheel in a power device of an electric...
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JP2011027629 |
To detect insulation deterioration between a driving circuit and a body chassis regardless of the state of a switching element constituting a switching inverter.When insulation deterioration is not generated between the driving circuit 2...
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JP2011024369 |
To provide a power converter capable of achieving high efficiency of a power conversion section and a load, and ensuring normal operation of the load as required when a battery, a capacitor of a DC circuit or a switching element of the p...
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JP2011019305 |
To provide an inverter unit for driving a rolling stock permanent magnet synchronous motor which is easy to handle and is reduced in cost, while equalizing heat in the traveling direction of the vehicle.An inverter device for drive of a ...
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JP2011019327 |
To provide a flexible train control system capable of readily changing a capability of organizing train cars in real-time without changing a fundamental structure of a train and each of cars.Inverters 17 are installed on bogies 18a of th...
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JP2011019395 |
To provide a power conversion device that improves impedance characteristics between two power modules and multiple capacitors.A power conversion device 200 includes a laminated wiring board 501 of three-layer laminated structure on whic...
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JP2011019326 |
To provide a flexible train control system capable of readily changing a capability of organizing train cars by exchanging bogies M and T.An attribute recording unit 21 stores the attributes indicating performance of equipment installed ...
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JP2011015603 |
To provide a control device of a load drive system that can retain an output voltage of a converter even if the motion of the converter is suspended under the condition of an extremely small load.The control device of the load drive syst...
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JP2011004541 |
To provide a control configuration which is commonly applied over a wide range of torque control without causing complication of arithmetic processing in feed forward control for changing the voltage phase of the a rectangular voltage ap...
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JP2011004540 |
To increase communication speed between a vehicle control means and a converter control means in a controller of a power converter for vehicle while reducing the processing load.The controller of a power converter for vehicle includes: a...
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JP2011004566 |
To provide an auxiliary power supply apparatus for an electric vehicle with high energy utilization efficiency without enlarging the apparatus or increasing complexity.A battery 43 is connected to a DC input side of an inverter 42, that ...
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JP2010288451 |
To provide a power conversion apparatus for an AC electric vehicle, which suppresses loss of a semiconductor switching element in a multi-pulse region and increases an output of an inverter in one-pulse region.A converter controller 4 of...
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JP2010284029 |
To provide a power supply circuit for driving an inverter that is configured in a space-saving manner and has high accuracy on an output voltage.The power supply circuit 1 for driving an inverter generates the drive power supply for driv...
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JP2010283932 |
To provide a controller for load-driving system which can hold the output voltage of a converter, even if the operation of the converter pauses in a minimum load state.The controller for load-driving system, in which a converter steps up...
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JP2010284049 |
To improve maintainability and reduce weight by improving the environmental condition around the gate control circuit of a power conversion apparatus for a rolling stock.In the power conversion apparatus, a power conversion unit 6 includ...
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JP2010283951 |
To provide a motor control apparatus for efficiently using power by performing regeneration control and free run control on an SR motor, according to the intent of an operator.The motor control apparatus is provided with an operation mod...
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JP2010279207 |
To provide a molded motor which enhances a heat radiation property on the motor case side where a drive shaft in a stator projects, and to provide an electric vehicle and a manufacturing method for the molded motor.In the molded motor 10...
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JP2010270349 |
To provide a method for depositing a coating film containing carbon particles capable of manufacturing the coating film containing carbon particles at a low cost, a heat transfer member, a power module having the heat transfer member, an...
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JP2010273455 |
To provide an electric vehicle control device that reduces the inspection and maintenance work of an earth fault detection means, and shortens a period of inspection and maintenance.In the electric vehicle control device constituted of a...
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JP2010268626 |
To observe an input voltage limit into a load device, relating to a power supply unit equipped with a voltage conversion part for varying the input voltage to the load device.A step-up/down converter 12 includes switching elements Q1 and...
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JP2010268566 |
To properly correct imbalance between left and right wheel torques to enable stable driving even when a permanent magnet of a permanent-magnet synchronous motor for driving the driving wheels has been demagnetized.A demagnetization deter...
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JP2010268582 |
To provide an on-spring vibration damping control device of a vehicle which can suppress the deterioration of the accuracy of on-spring vibration damping control, and the vehicle.The on-spring vibration damping control device of the vehi...
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JP2010268578 |
To avoid the number of revolutions of an electric motor from reaching a band of the number of revolutions corresponding to a resonance frequency of a circuit in a state that a voltage of a high-voltage system is high, and to cope with th...
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JP2010259299 |
To enhance detecting accuracy on the rotating frequency of a rotor, and to stably and smoothly start a motor during sensorless speed control.An electric-vehicle controller includes a variable-voltage variable-frequency inverter (VVVF inv...
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JP2010259202 |
To provide an electric vehicle controller for preventing electric shocks caused by charge accumulated in stray capacitance of main electric motors in electric vehicle controllers including a main electric motor open switch.In the electri...
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JP2010259269 |
To provide an electric motor and an electric vehicle wherein a refrigerant pipe and a power line can be readily routed.An electric motor 100 includes an annular stator core 70 for housing a rotor 80, that rotates about the axis of rotati...
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JP2010259217 |
To smoothly warm up an energy storage means while preventing the energy storage means from being charged and discharged by excessive power.When battery warm-up is requested (S320, 330), heat generation of internal resistance of the batte...
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JP2010259253 |
To provide a power output device, capable of operating at the efficiency higher than before, and to provide an electric vehicle.The electric vehicle includes one or more motors without permanent magnets which are sub motors and no perman...
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JP2010259325 |
To improve operational efficiency of an electric motor by more appropriately adjusting a difference in potential between a positive terminal bus and a negative terminal bus of an inverter circuit.A power output device includes a capacito...
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JP2010252607 |
To prevent reduction in energy efficiency in power control and reduce the scale of a power controller that transmits and receives power to/from a coiled circuit which applies electromagnetic force to a rotary driving object.A controller ...
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JP2010252524 |
To provide a device for controlling an energy storage of an electric rolling stock combining a step-up/down chopper and an electric capacitor and being capable of securing a power obtaining a power running even at a low speed to a main c...
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