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Patent Searching and Data


Matches 751 - 800 out of 7,441

Document Document Title
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...  
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 ...  
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...  
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...  
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 ...  
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-...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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 ...  
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...  
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...  
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...  
JP2024003758A
The present invention provides a drive device and a drive control device that can reduce the burden on each of a plurality of motors. An EPU50 has a first DS100 and a second DS110. The first DS 100 includes a first motor 61 and a first i...  
JP7411871B2
A servo amplifier device is a servo amplifier device that incorporates a control drive circuit configured to control and drive a motor, the servo amplifier device including: a housing that houses the control drive circuit; an attachment ...  
JP7408434B2
The present invention is to provide a device capable of a synchronous operation of a motor of a different command system. A motor control device comprises: (a) a first ideal waveform generation unit; (b) a second ideal waveform generatio...  
JP7403103B2
A motor control system includes a motor and a motor control device. The motor control device includes an acquisition unit, a. diagnosis unit, and a control unit. The acquisition unit acquires control data. The control data includes a com...  
JP2023180882A
An object of the present invention is to prevent damage to a control circuit caused by a high-voltage power supply in a plurality of servo amplifiers having a common power supply path. [Solution] A motor control system includes a plurali...  
JP2023179114A
[assignment] The present invention performs control to satisfy the required brake torque even during the winding switching period during regeneration of the rotating electric machine. [Solution] An inverter 3 that supplies power to the r...  
JP7398947B2
To obtain a motor controller that can decelerate and stop along the trajectory of normal operation when an abnormality occurs.A motor controller includes a buffer that temporarily stores N position commands from a first position command ...  
JP2023177096A
[Problem] In a case where a first electric motor and a wire-wound field type second electric motor are applied to an electric four-wheel drive vehicle, drive torque is output from the first electric motor, and the second electric motor c...  
JP7392400B2
To provide a motor control system which can effectively restrict the abnormal output of a first motor and a second motor even when there is abnormality in a command value output from a higher-level control device.A motor control system m...  
JP7388071B2
In a wheel drive apparatus, a clutch is configured to switch a coupling mode between a first rotating shaft of a first rotating electrical machine and a second rotating shaft of a second rotating electrical machine to any one of (i) a po...  
JP2023166882A
To detect idling or slide of a wheel shaft of an induction machine.A controller 1 comprises: a power converter 2 that amplifies a voltage command v and supplies power to a plurality of induction machines 101, 102, 103, and 104; a magneti...  
JP7384134B2
A hybrid vehicle includes: a power generation device including an engine, a first rotating electric machine, and a first inverter; a drive device including a second rotating electric machine that outputs driving force, and a second inver...  
JP2023166237A
To provide an electric aircraft capable of reliably transmitting abnormality of an electric propulsion device or the like to a controller while suppressing increase in weight.An electric aircraft 1 includes a plurality of electric propul...  
JP7383924B2
To appropriately control a driven shaft.A control device according to an aspect of the disclosed technology comprises a drive control unit that, based on a detection signal from an angle detection unit provided on a motor, of a plurality...  
JP7382860B2
To provide a multicopter capable of keeping a good posture.One embodiment of the current invention has a control part 33 performing posture control of a multicopter 1 in the multicopter 1. The control part 33 determines an instruction DU...  
JP7381322B2
A robot (100) includes a resistance circuit (60) configured or programmed to perform a control to reduce a braking force of a dynamic brake by changing a resistance value of a resistance component (63) with respect to a power supply path...  
JP7379930B2
To provide a technique capable of achieving both of reduction of manufacturing cost and securing of sufficient fail safe performance.A motor control device includes: a first motor; and a second motor and controls a plurality of traveling...  
JP7378977B2
An architecture for an aircraft comprises two air-conditioning systems, two converters, each intended to supply one of the air-conditioning systems, and at least one first electric machine which starts up a first main engine of the aircr...  
JP7379053B2
To solve the problem in which: when a load is driven by a first motor and a second motor, the speed of the second motor may be periodically varied due to eccentricity of a rotation shaft of the second motor, and the rotation speed of the...  
JP7377732B2
A motor controlling device configured to control an on-board motor is provided, which includes an H-bridge type drive circuit comprised of first switching elements and configured to drive the on-board motor, and a controlling circuit con...  
JP7372564B1
The present invention detects the number of rotations per unit time of each of a large number of fans using a small number of wirings. [Solution] The rotation speed calculation device includes a synthesis unit that converts N pulse signa...  
JP7372924B2
A device-system comprises parallel operating devices (105-107) for driving an operating quantity towards a target value, and a control system for controlling each device at least partly based on a device-specific integral term relating t...  
JP2023158075A
To provide a motor control system, a motor control device, and a motor control method that can reduce the processing load on a host control device.A motor control system 1 includes a host control device 3 that outputs control commands, m...  
JP7368840B2
[Problem] To provide an environment information analysis method with which it is possible, with a simple configuration, to acquire environment information for the surroundings of a flight body. [Solution] An environment information analy...  
JP7366811B2
To provide a work machine making it easier for an operator to know a load state of a motor.A work machine includes a plurality of operation parts whose driving source is a motor, and a control means for controlling individual motors of t...  
JP2023155045A
To provide an electric tool that can be mounted with a wireless communication instrument and a plurality of electric motors, which is configured so that the weight of a battery and the height of the electric tool can be suppressed.An ele...  
JP2023154277A
To disclose a technique of suppressing deterioration of estimation accuracy of a charging state of a battery while suppressing the increase of a size of a power unit.A power unit comprises: a battery; a first rotational machine; a second...  
JP2023154126A
To provide a load drive system capable of reducing a torque shock by reactivating the system at a motor rotational speed accurately estimated by suppressing a current off-set error at a free running.A load drive system comprises: an inve...  
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...  
JP7364541B2
To provide a phase adjusting device capable of aligning initial phases of two drive shafts that are synchronously controlled with a simple configuration.A phase adjusting device 70 comprises: a torque acquisition unit 82 acquiring a torq...  

Matches 751 - 800 out of 7,441