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WO/1983/001156A1 |
The electric machine according to the invention comprises an iron-free rotor provided with two windings (1, 2) each of them being formed by a plurality of coil elements (11, 12, 13 and 21, 22, 23). The elements (11, 12, 13) of the first ...
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WO/1982/004140A1 |
Synchronous operation device which operates a spindle motor (SPM) and a feed motor (ZMT) synchronously with each other during tapping work. A pulse generator (PG) generating a pulse (Sp) for each predetermined atnount of rotation of the ...
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WO/1982/001350A1 |
A control unit and a control method for an A.C. electric car in which a D.C. motor is driven by rectifying an A.C. source. When connecting a plurality of motors in parallel, the currents flowing in the armatures of the motors are unbalan...
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WO/1982/001283A1 |
An arrangement to provide variation of the speed or other operating parameters of an electrical machine without connection to the rotor. The machine is of the induction type having a winding in separate parts to create a flux movable in ...
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WO/1982/000738A1 |
An electrically operated dual motor drive system having first and second reversible traction motors (14, 16) driven by a power source (18). Motor control circuitry (10, 12) for controlling the direction of current flow through the motors...
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WO/1981/003249A1 |
Electrically operated dual-motor drive systems for industrial vehicles. In the prior art protection from current overload resulting from high torque low speed operation involved increased circuit complexity resulting from additional prot...
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WO/1981/000795A1 |
In the control of two or more electrical devices powered by a common battery and each actuated by a separate controlled rectifier chopper circuit, at least one of which is an SCR chopper circuit, under high stress conditions requiring bo...
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WO/1980/002487A1 |
Voltage-to-frequency-converter, in response to primary variable analog input signal (Vc), generates one or more trains (C; F) of output pulses. For each train, its frequency vs. primary input signal characteristic is in three ranges or m...
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WO/1980/001115A1 |
A cigarette making machine has a "master" motor (19; 70) driving at least one part (for example, the cut-off device (19) and a separate drive (24; 26; 28 or 73; 81; 89) for another part of the machine (for example, the garniture tape or ...
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JP7483254B2 |
To disclose an example of a water supply device capable of alleviating laboriousness of setting work.A water supply device 1 includes a function of communicating with each of control units CTL, counting the number of the control units CT...
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JP7478366B2 |
A motor system has a motor driver (21), a plurality of motors, a supply switch unit (31), an output controller, a switching controller, and a driving force reduction suppression unit. The supply switch unit (31) switches a circuit so tha...
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JP7478036B2 |
To provide a motor control device capable of reducing a load on a spindle motor without changing a rotation command of a spindle according to the present invention.A motor control device is comprised of: a spindle drive unit 1 for drivin...
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JP7477302B2 |
To provide a controller capable of improving power performance of a vehicle.A controller controls two motors that apply a vehicle driving force to an output shaft. The controller comprises a motor control unit in which an operation mode ...
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JP7474906B2 |
This clutch control apparatus is provided with a clutch device (26), a clutch actuator (50), and a control unit (40). The clutch actuator (50) is provided with a plurality of electric motors (521, 522) and a transmission mechanism (51). ...
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JP7473897B2 |
To provide a motor drive device and a motor drive method, capable of more efficiently driving a common mechanical load using a plurality of AC motors.A motor drive device drives N AC motors configured to be capable of driving a common me...
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JP7472745B2 |
A motor driving system (1) includes a main motor (75, 76), at least one sub-motor (71 to 73), a control circuit unit (11), a connector (31 to 33, 35, 36), and a motor connecting unit (43). The control circuit unit (11) has a main circuit...
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JP7468490B2 |
In the present invention: a front wheel drive unit (1F) is configured such that a first rotor (21F) is arranged on a first shaft (A1F), a first differential input gear (51F) is arranged on a second shaft (A2F), and the second shaft (A2F)...
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JP7469002B2 |
To provide a servo controller for an industrial machine allowing construction of a system achieving more excellent power efficiency than a conventional system. A servo controller includes: a driving motor that drives an industrial machin...
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JP7468296B2 |
To provide a motor control device which ensures reliability through fail safe in a configuration that one leg of a bridge circuit is shared for two DC motors.A motor control device 400 drives a first motor 71 and a second motor 72 which ...
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JP7464617B2 |
This motor drive device is provided with: timing setting units; carrier signal generation units provided for a plurality of respective motors, receiving setting signals from the timing setting units, and generating carrier signals on the...
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JP2024043838A |
An object of the present invention is to prevent an auxiliary electric motor from rotating beyond its maximum rated voltage. A drive unit 100 includes a drive source 2, a shaft 3, an auxiliary electric motor 4, and a clutch 5. The shaft ...
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JP7457874B2 |
This clutch control device comprises: a clutch device (26) that interrupts/connects power transmission between a prime mover (13) and an output target (21); a clutch actuator (50) that outputs a drive force for actuating the clutch devic...
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JP7456216B2 |
To provide a drive controller for a motor, an electronic timepiece, and a method for controlling the output of a drive signal of a motor that can allow a plurality of drive motors to do a continuous operation more easily and more evenly....
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JP7454767B2 |
A motor control system includes a control unit and a compensator. The control unit controls an operation of a shaft of a motor in accordance with an operation command for the motor. The compensator calculates compensation information bas...
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JP2024038802A |
An object of the present invention is to provide an electric motor drive device that improves the control response of the entire rolling mill while balancing the load between the drive devices for upper and lower rolls. An electric motor...
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JP7452551B2 |
A motor unit including: a first motor that drives a vehicle; a second motor that drives an auxiliary machine of the first motor; a first inverter that controls the first motor in response to a control signal transmitted from a main contr...
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JP7452360B2 |
An electric movable body (10) includes a plurality of motors (71, 72, 73, 74) and a plurality of batteries (21, 22), among which the motors and the batteries are connected such that each of the batteries supplies electric power to a moto...
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JP7453268B2 |
A multi-axis servo control system includes a plurality of motors (200) and a plurality of drive control apparatuses (100). The drive control apparatuses (100) are connected to each other through an external field bus (300). Each drive co...
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JP7452361B2 |
An electric movable body (510) includes an output shaft (531) and multiple motors (571, 572) that drive the output shaft. The electric movable body performs a double drive control to assign a drive state to at least two of the motors, pe...
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JP7451890B2 |
To accurately determine an abnormality in a driving system.A driving system of a vehicle (10) includes: a plurality of motors (21, 22) for driving left and right wheels (11, 12) independently from each other; a main control unit (70) for...
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JP7452026B2 |
To control an inverter circuit even when at least one of a motor current sensor and a voltage sensor has an abnormality.A motor control system 10 includes an inverter circuit 11, an inverter control unit 121 that controls operation of th...
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JP7452258B2 |
To appropriately prevent backlash between a motor and a driven shaft.A control unit according to an aspect of the disclosed technology comprises a drive command value generation unit that generates a first drive command value of 0 or mor...
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JP7450128B2 |
According to an embodiment of the present invention, provided is a speed control device for an electric motor, said device comprising: a first computation means for supplying a first speed reference to a first variable speed control devi...
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JP2024032650A |
The present invention provides a control panel that can further reduce the introduction cost for controlling the operation of each electrical device in coordination with other electrical devices. A control panel 1 enables interlock contr...
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JP7447831B2 |
Vehicle control devices (32, 50) are used in a vehicle (10) comprising: left and right drive wheels (20R, 20L) and rotating electrical machines (30) that are separately provided for each of the left and right drive wheels and rotate and ...
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JP7444083B2 |
A motor control device (10) is provided with a first circuit (68), a second circuit (67), and a control unit (400). The first circuit (68) is a two-system power converter circuit for energizing a multi-phase motor (800) having two multi-...
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JP7443110B2 |
To solve such problems that, in a technique which achieves vector control by feeding back a calculated torque value to a control current of a motor when performing vector control of a stepping motor, information of a conveyance sensor an...
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JP7439440B2 |
To provide a connector that can prevent voltage oscillation of a power supply path to a motor control unit.A connector comprises: a pair of input terminals; a pair of output terminals that are electrically connected respectively with the...
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JP7439666B2 |
An abnormality warning system (130, 130a) provides an abnormality warning for multiple motor systems (10) that drive a motor (11) used correspondingly to each of multiple rotors (30) included in an electric aircraft (20). The abnormality...
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JP7438097B2 |
To provide a drive command generation device that is able to set a speed of a main-shaft motor quickly and easily.A drive command generation device 20 is provided in a synchronous control system which executes control so that a slave-sha...
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JP2024020626A |
The present invention solves the problems of the prior art. A bidirectional motor (36) for a gas engine exchange device (10). One embodiment includes a housing (14), a battery receptacle (54), a motor (36), a power take-off shaft (38) th...
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JP7429879B2 |
This multi-axis motor drive device (1) is a device that controls an A axis motor (2A) and a B axis motor (2B), and comprises: a position command generator (12) that generates a position command (121) from the measurement start position t...
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JP7427809B2 |
This application discloses a redundant electronic control system and a device, which may be applied to an autonomous vehicle, an intelligent connected vehicle, a new energy vehicle, and the like. The redundant electronic control system m...
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JP7424772B2 |
To provide a vacuum evacuation device which can make circuit components for absorbing regenerative voltage such as brake resistance unnecessary and an operation method thereof.A vacuum evacuation device concerning one aspect of the prese...
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JP7421335B2 |
A motor drive control apparatus includes a receiving unit configured to receive a target rotation frequency outputted to a motor to be a drive control target of a predetermined plurality of motors from a host apparatus and receive stabil...
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JP7420347B2 |
To analyze stability of a DC power supply system in which power is supplied from a DC power supply through a DC bus to a plurality of servo devices including an inverter circuit and an electric motor, and reflect the analysis to the deta...
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JP7415891B2 |
A first circuit (68, 681, 682) supplies electric power to a polyphase motor (800). A second circuit (67) supplies electric power to a direct-current motor (720, 730) for outputting a torque so as to move a movable body (24) in a section ...
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JP7415772B2 |
To provide a control method and a control device for electric vehicle that can perform accurate and sufficient braking control even during a travel on a sandy road.A control method for an electric vehicle 100 includes: a driving torque t...
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JP7415029B2 |
A selection device includes: a storage unit storing a plurality of types of amplifiers in advance; an acquisition unit for acquiring a plurality of selected amplifiers selected for driving a plurality of designated motors designated in a...
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JP7413964B2 |
A motor control device drives first and second motors for outputting torque in braking or non-braking direction in a vehicle brake device, includes: an electric power converter that includes first to third legs having positive and negati...
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