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JP7324008B2 |
A motor control apparatus includes: an excitation unit configured to excite a plurality of excitation phases of each of a plurality of motors that include first to Nth motors and a control unit configured to control the excitation unit s...
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JP7322434B2 |
To provide a left and right wheel drive device which reduces unintended torque difference between left and right wheels.In a left and right wheel drive device 15 comprising a first motor 1 and a second motor 2 which drive left and right ...
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JP7318340B2 |
A motor system (11) comprises: a plurality of motors (M1–Mn); temperature detection units (14) capable of detecting motor temperatures of the motors; and control units (13, 16) configured to alter the output of at least one motor when ...
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JP2023106293A |
To correct a tilt of a lens due to unbalance in drive capability among a plurality of drive sources according to a position of the lens.A driving device is provided, which comprises: a calculation unit that calculates a driving amount of...
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JP2023104807A |
To achieve torque response conforming to intended behavior of an electric vehicle.An electric vehicle control method allows each motor controller 31 to execute estimated torque calculation processing of calculating each estimated torque ...
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JP2023102406A |
To suppress deterioration in regeneration efficiency when a battery is charged.A motor drive system includes: a battery; a double stator type axial gap motor; an inverter circuit for controlling power running drive and regenerative drive...
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JP7310114B2 |
To provide a motor control apparatus with a vibration due to a difference in torque between the left and right wheels suppressed, thus improving the quietness and ride comfort.A motor control apparatus 15 for a vehicle 10 that includes a...
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JP7310465B2 |
A synchronization control device (10) includes: a main axis command calculator (Cmm) that calculates a main axis command position based on time-series target position information; a main axis modeler (Mm) that calculates a predicted main...
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JP2023096650A |
To provide a manufacturing apparatus and the like capable of reducing the number of power storage devices even when a plurality of power supply parts (for example, AC/DC converters) are used.A manufacturing apparatus includes: electric m...
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JP2023528901A |
The energy conversion device includes a first electric motor control circuit (101) connected to a battery pack (104), a second electric motor control circuit (102) connected in parallel to the first electric motor control circuit (101), ...
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JP2023095269A |
To provide an actuator that facilitates a specification change.The actuator includes a motor unit that is provided with a motor and a motor driver circuit and an interface unit that is connected to the motor unit and is provided with an ...
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JP2023093066A |
To provide a technique capable of changing a set value for driving a motor by using a control signal line of the motor not in operation without increasing the number of control signal lines.A recording device includes a plurality of moto...
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JP7300362B2 |
An electric vehicle includes first and second traveling motors, first and second rotational position sensors, and a measurement controller. The first rotational position sensor detects a rotation angle of the first traveling motor and ha...
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JP7299477B2 |
An electric motor system (2) includes a drive shaft (30) rotatable around an axis, a first electric motor (60) and a second electric motor (70) each configured to rotate the drive shaft (30), a first inverter (91) configured to supply po...
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JP7298978B2 |
This bogie and vehicle is provided with: a bogie body; a pair of travel wheels disposed on both sides of the bogie body in a direction intersecting with the traveling direction and capable of rolling motion on the traveling road surface ...
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JP7298433B2 |
A first inverter (36) drives a first dynamo-electric machine (37). A second inverter (46) drives a second dynamo-electric machine (47). A first control unit (33) controls the first inverter (36). A second control unit (43) controls the s...
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JP2023088683A |
To provide an electric vehicle control method and an electric vehicle control device which correct a difference in rotation speeds between driving wheels driven with different motors when such a difference occurs and facilitate conversio...
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JP2023088149A |
To achieve absolute synchronous operation without the need for a high-precision position sensor.A synchronous operation system 1 includes: a command completion flag operator 240 that outputs a flag Fr that is 0 from immediately after pow...
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JP2023086117A |
To provide a drive line for a vehicle having an electric machine with variable level of regeneration efficiency and capable of changing a relationship between thermal energy and electric energy generated by the electric machine during re...
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JP7292673B2 |
To provide a discharge device and the like that are excellent in distributing the load of a regenerative operation.A drive unit 10 includes a power supply line L1 that supplies power to a motor 30, receives regenerative power from the mo...
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JP7292049B2 |
A motor control apparatus includes: a switching power supply; a first motor configured to operate with a voltage from the switching power supply; and a control unit configured to control the first motor, wherein the control unit is furth...
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JP7291092B2 |
To provide a new technology capable of detecting idling or sliding, under batch control by vector control of three or more motors.Under batch control by vector control of each motor 30 in n-axes (n≥3) connected in parallel with a power...
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JP2023523905A |
including one radial electric machine and one or more axial electric machines each having a rotor mechanically coupled to a single shaft and configured to directly drive the single shaft Magnetically decoupled and separately controlled e...
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JP7283227B2 |
A braking control device includes a front wheel motor that controls a front wheel hydraulic pressure to adjust a front wheel braking torque, a first motor that adjusts a right rear wheel braking torque, and a second motor that adjusts a ...
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JP7283443B2 |
To provide a rotary machine control device capable of simultaneously driving a multi-phase rotary machine and a plurality of DC rotary machines.An ECU10 (rotary machine control device) is capable of driving a three-phase motor 800 and a ...
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JP7283978B2 |
A control device includes: an output unit configured to select a motor and output a drive command to a motor drive unit that should be connected to the selected motor so that the selected motor executes a predetermined feed operation; an...
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JP7276293B2 |
This control device is applied to a system comprising a plurality of rotating electrical machines (11a, 11b) and power converters (15a, 15b) having switches (SWH, SWL) for upper and lower arms. The control device comprises control circui...
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JP2023066074A |
To provide a method for generating a visualized image of deterioration tendency of AC rotary machines which is to centralizedly manage and visualize a deterioration tendency of a plurality of AC rotary machines, which can be used for pla...
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JP2023066168A |
To provide a power conversion method for achieving PWM control for suppressing a ripple current of one smoothing capacitor shared by each switching circuit in an electric power conversion device for performing power control of three or m...
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JP7272860B2 |
To provide a conveyance control device which can maintain tensile force to be supplied to a material, while coping with the change of a mechanical loss generated during the conveyance of the material.A conveyance control device (3) inclu...
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JP7271965B2 |
There is provided an electrically driven vehicle that well balances calculation volumes and communication volumes of two control devices configured to drive and control motors for driving. The electrically driven vehicle comprises at lea...
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JP2023059653A |
To provide a driving system that can quickly secure necessary deceleration force, while suppressing a battery from being overcharged to protect the battery.A driving system 1 of an electric vehicle has a power generator MG0, a first moto...
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JP2023059811A |
To provide a vehicular control device that enables timings when control circuits are activated to coincide with each other even when a vehicle power supply is turned on during execution of power latch control.A vehicular control device i...
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JP2023058185A |
To make it possible for a control unit common to each motor to control power supply to each motor by a PWM signal of different carrier frequency in an electric work machine having two motors.An electric work machine includes: a first and...
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JP2023057684A |
To prevent unlocking of a door from becoming impossible after a double-lock operation.A door lock control device 1 controls a lock part 50 for locking/unlocking a door, and a double-lock part 60 for bringing the locked door into a double...
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JP2023054720A |
To achieve exact movement and stopping of a heavy object by reducing a time lag of the transmission of a motor driving force to a roller for improved followability.A transport roller device 100 performs only actions of 'forward', 'retrac...
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JP7257784B2 |
A power calculation apparatus includes a power measurement unit configured to measure alternating-current electric power input to a converter unit to obtain measured power, power consumption estimation units configured to estimate power ...
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JP7255439B2 |
A drive system (300) establishes a normal state in which a first switch (150) is ON and a gang switch (50) is OFF, in the case where it is determined that there is no abnormality in the state of a first rotating body driven by a first mo...
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JP7255426B2 |
To carry out a functional test of an electric drive system at an operation site of an electric vertical take-off and landing aircraft.A control device 19 controls an electric drive system 10 having a drive motor 12 that is mounted in an ...
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JP7255264B2 |
To provide a temperature control device of a motor for a vehicle which can make drive states of a plurality of motors for driving left and right wheels of the vehicle relatively approximate each other by a simple constitution.A temperatu...
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JP2023049118A |
To provide a program driving device with improved accuracy of driving.A program driving device 1 mainly includes: a housing 10; a program medium 2 removably attached to the housing 10 in which driving information for commanding driving o...
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JP2023514309A |
Generating thrust values for a plurality of motors in the aircraft, each flight controller in the plurality of flight controllers generating thrust values for each of the plurality of motors using an optimization problem with a single so...
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JP7251222B2 |
An electric motor control device includes a target torque setting unit setting target torque for each of a right-side control circuit and a left-side control circuit, and a failure occurrence determination unit determining whether there ...
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JP7251129B2 |
To provide a configuration capable of attaining both of a target value of a rotary motion difference between two motor sides and a target value of output torque for control and responding to differential movement of a planetary mechanism...
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JP7250570B2 |
To provide a control device capable of reducing the occurrence of defects in electronic components due to regenerative electric power when the regenerative electric power occurs in the motor.The control device is a control device provide...
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JP7247722B2 |
To provide a motor system capable of reducing a facility load by suppressing a starting current low, and capable of being exchanged in a short period when the motor system is in failure.A driving source 4 making a load device 2 operate w...
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JP7248506B2 |
To provide a technique for suppressing amplification of amplitude of switching noise without changing a switching frequency in a motor drive device provided with two AC motors.A motor drive device includes: a DC power source; a first inv...
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JP2023512685A |
An electric vehicle includes a DC bus and multiple batteries each coupled in parallel to the DC bus. At least one switch is coupled in series between at least one battery of the plurality of batteries and the DC bus, and a plurality of i...
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JP2023041209A |
To provide a drive unit capable of contributing to downsizing of a casing size while achieving reduction in cost.A drive unit includes a first drive part group 11 of which each generates magnetic field and which has a plurality of first ...
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JP7243490B2 |
To achieve a technology that enables an AC machine drive system having two inverters connected in parallel with a common DC power supply; even in a case where a short-circuit failure has occurred in one of the inverters; to continue driv...
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