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JP7375949B2 |
A four-wheel drive system with boosting operation includes: a battery; a voltage boosting device; a front wheel drive unit connected parallel to the battery via the voltage boosting device and including a first motor generator and a firs...
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JP2023160105A |
To provide an electric vehicle capable of suppressing discrepancy between outputs a plurality of motors, with rotation speeds of output shaft thereof mutually restrained.An electric vehicle comprises: first and second motors; a drive for...
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JP2023160416A |
To provide a temperature estimation system that, based on the temperature of a first object to be monitored detected by a temperature sensor, can accurately estimate the temperature of a second object to be monitored different from the f...
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JP7373520B2 |
To provide a vehicle control device that suppresses slip-down when parking on a sloped road, without causing failure due to temperature rising of a driving motor and without causing a cost increase of a control structure.A vehicle contro...
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JP7372871B2 |
The present invention addresses the problem of properly performing motor control during overmodulation. In a motor control device 1, a carrier wave frequency adjusting unit 16 adjusts a carrier wave frequency fc so as to change a voltage...
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JP2023546107A |
The present application provides a vehicle drive system and an electric vehicle. The vehicle drive system uses a hybrid drive system with dual hub drive assemblies and centralized drive assemblies/dual independent drive assemblies. Dual ...
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JP2023545858A |
Embodiments of the present application provide a power battery heating circuit, a system, a control method, and a power consuming device, the power battery heating circuit comprising a power supply module including at least one assembled...
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JP2023157261A |
To provide a motor-driven roller capable of easily constructing a brake system during motorization, and improving a contribution to a decarbonization society, the improvement of a work environment, and maintainability.A motor-driven roll...
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JP2023157260A |
To provide a motor-driven roller capable of easily performing speed control while reducing a change from a conventional machine during motorization, and of improving a contribution to a decarbonization society, the improvement of a work ...
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JP2023156641A |
To provide a work vehicle which is high in efficiency of energy for driving rear wheels and is configured so that a battery is suppressed from being damaged due to vibration of a running vehicle body that is generated during running.The ...
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JP7367601B2 |
To provide a vehicular controller capable of reducing power consumption in an inverter.A control unit 50 as a controller includes: a shift position determination unit for determining whether the shift position of a vehicle 10 is in a mov...
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JP7368346B2 |
A vehicle includes a main motor for traveling and an electronic control unit that controls the main motor. The electronic control unit is configured to: extract, from time series data of a rotation speed of the main motor, vibration data...
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JP7367373B2 |
The motor control system is mounted on a movable object 1. A control unit 21 is provided to control a drive motor 3 such that a requested amount of rotary power of the drive motor 3, which is set on the basis of a detection value of an o...
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JP7367533B2 |
To provide an inverter structure that is advantageous to ensure an electromagnetic compatibility.An inverter structure includes an electric-vehicle inverter device 11 equipped with a high-voltage component 30 and a low-voltage component ...
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JP7366497B2 |
To provide a control method for a hybrid vehicle which exhibits a power performance responding to a driving force demand with a good response while suppressing fuel consumption in an engine when a mode transition request from an EV mode ...
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JP7365217B2 |
To provide a vehicular device which enables improvement of power efficiency while considering insulation countermeasures.A vehicular device 1 includes: a rotary electric machine EM; an inverter circuit INV; a capacitor C1 connected in pa...
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JP7363702B2 |
To reliably change a carrier frequency when a request torque to a motor increases.A PCU 14 drives a MG 12 as a power source of a movable body by supplying a driving signal modulated according to a carrier frequency. A prediction unit rea...
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JP7363554B2 |
To provide a motor control device that can avoid high battery voltage and increase in motor size.Provided are a motor 3 and a control unit 21, the motor 3 having a stator 34 on which a plurality of coils 36 are installed facing magnets 3...
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JP7363900B2 |
Provided is a secondary battery, where a positive electrode includes a first covered part covered with a positive electrode active material layer and a positive electrode active material non-covered part on a positive electrode foil, and...
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JP7363553B2 |
To provide a motor control device that can avoid high battery voltage and increase in motor size.Provided are a motor 3 and a control unit 21, motor 3 having a stator 34 on which a plurality of coils 36 are installed facing magnets 35 of...
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JP2023152732A |
To achieve protection of a battery and improvement of working efficiency in an electric work vehicle.An electric work vehicle includes at least one motor configured to drive one or both of a travelling part and a working part included in...
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JP7362434B2 |
To provide a braking control device capable of smoothly fluctuating acceleration of a vehicle while reducing an impact and noise caused by backlash.A braking control device includes: a motor control section 121 generating driving/braking...
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JP2023151438A |
To provide an electrically driven vehicle that is reducible in fuel consumption by increasing chances of generation of regenerative electric power by a travel motor.A controller 100 detects, as an inertial travel state, a state in which ...
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JP7361953B2 |
The present disclosure discloses a power battery heating method and device for an electric vehicle and a vehicle. The method includes: acquiring a heating power demand of a power battery; acquiring power demand information of a driving m...
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JP2023151968A |
To provide a cooling system for electric vehicle that can achieve both of pump load reduction and drive unit cooling improvement.A cooling system 40 is a cooling system for electric vehicle, which is equipped with a drive unit 60 located...
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JP2023148131A |
To achieve a technique for facilitating setting of supply amount of cooling water to an oil cooler to desired amount according to an occasional situation when supplying cooling water to both of the oil cooler for cooling oil stored in a ...
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JP2023148848A |
To provide a simpler railway system capable of charging a power storage device of an electric motor vehicle by boosting the voltage of a ground charging stand.A railway system, which operates an electric motor vehicle equipped with a pow...
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JP2023145910A |
To improve motor efficiency in a low-torque region and ensure maximum torque needed by a vehicle.In an electric vehicle including a motor 2 and an inverter 4, the motor 2 is configured so as to house, in one housing: a rotor 20 which rot...
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JP2023144243A |
To provide a control device of an electric vehicle which can suppress degradation of a battery.In a control device 1 of an electric vehicle according to one aspect of the present disclosure, an ECU 17, in a case where a motor 13 performs...
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JP7359244B1 |
An object of the present invention is to provide an inverter control device that achieves both improved comfort in a vehicle and improved starting performance of the vehicle. [Solution] In a control device 10 for an inverter 2 that contr...
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JP7359318B2 |
A driving force control method that is executed in a vehicle including a first electric motor configured to drive a front wheel and a second electric motor configured to drive a rear wheel, and that distributes a requested driving force ...
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JP7357159B2 |
An electric vehicle control method including using a first motor and a second motor as travel drive sources, performing drive control on the first motor by transmitting a first torque command value to a first inverter, and performing dri...
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JP7356400B2 |
To provide a vehicular control device capable of suppressing a deterioration in drivability.Specifically, for example, a control device sets target creep torque Ttgt for allowing a vehicle to creep as target starting torque. The control ...
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JP2023136720A |
To provide a driving device of an electric vehicle capable of ensuring the insulation property of a high-voltage component.A power delivery module is disposed on an upper part of a power train, and is disposed so as to locate a rear end ...
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JP2023135841A |
To control a SOC of each battery to an appropriate value in a vehicle of which front wheels and rear wheels are independently driven by a motor.A control device of an electric vehicle comprises a front wheel drive device for driving fron...
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JP2023136466A |
To suppress voltage fluctuation when activating a fuel cell.A work vehicle comprises: a step-down circuit which is provided between a fuel cell and a converter; a contactor which is provided in parallel with the step-down circuit and swi...
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JP7350120B1 |
An object of the present invention is to provide an electric hydraulic excavator that can avoid stalling of an electric motor that drives a hydraulic pump even if the power that can be supplied by each power source fluctuates. An electri...
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JP7349401B2 |
To solve an imbalance of an output current of each power storage unit in a train loaded with a plurality of power storage units.A no-load delivery voltage ES and an equivalent internal resistance R which are a control parameter defining ...
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JP7349314B2 |
For starting an AC electric motor (104) of a mining vehicle (300) it is first accelerated (501) to a first speed with a second AC voltage provided by an onboard battery-powered inverter (102) of the mining vehicle (300). A phase of a fir...
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JP2023127718A |
To provide a vehicle drive system which, while reducing an agitation loss of oil by a speed reducer in starting a vehicle, allows sufficient cooling oil to flow into a motor to improve reliability of the motor.A vehicle drive system 100a...
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JP2023128522A |
To provide a power conversion system capable of improving a utilization efficiency of regenerative electric power.A power conversion system comprises: a driving circuit of a dynamo-electric motor; a regenerative invalidation detection pa...
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JP7340991B2 |
To provide an electric motor vehicle control device which can start in an advance direction without largely retreating in an upward gradient environment or the like and without generating the large impulse.An electric motor vehicle contr...
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JP7340432B2 |
To provide an electric vehicle drive system which can increase a degree of freedom of a vehicle interior layout, can improve maintainability, and enables an engine driven vehicle to be easily converted to an electrically driven vehicle.A...
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JP2023125607A |
To provide a vehicle drive device which facilitates downsizing regardless of a dimension of an inverter unit in an axial direction.A power transmission mechanism 2 which transmits drive force between a rotating electric machine 1 and a p...
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JP2023125772A |
To provide a hybrid transport equipment which contributes to enhancing energy efficiency while curbing influence of noise.A hybrid vehicle 10 comprises: an engine ENG; a motor MOT; an engine control device 30 which switches between all c...
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JP2023125606A |
To provide a vehicle drive device which facilitates downsizing while securing a large inverter chamber.A power transmission mechanism 2 which transmits drive force between a rotating electric machine 1 and a pair of wheels comprises a di...
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JP7339797B2 |
A vehicle includes a front-wheel motor, a rear-wheel motor, a temperature detector, and a distribution ratio controller. The front-wheel motor drives a front wheel. The rear-wheel motor drives a rear wheel. The temperature detector detec...
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JP7339857B2 |
The motor control unit reduces the drive braking torque for applying the braking force to the drive wheel by the reverse rotation timing predicted by the reverse rotation prediction unit at the latest, and the friction braking unit incre...
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JP7338400B2 |
To enhance protection performances of a drive unit and an inverter concerning a vehicle drive device.A vehicle drive device comprises an inverter 6 and a tabular protector 7. The inverter 6 is fixed to an upward direction of a drive unit...
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JP7338194B2 |
To improve pedal response at start of traveling in a vehicle having a one pedal configuration capable of stopping the vehicle only through an operation of an accelerator pedal.An acceleration/deceleration pedal (operation section) 12 is ...
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