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Patent Searching and Data


Matches 251 - 300 out of 19,932

Document Document Title
WO/2014/194104A1
A system that improves on known systems for reducing output torque by a motor in the event of a jam may include an electromechanical actuator (EMA), a motor configured to drive the EMA and a controller. The controller may be coupled to t...  
WO/2014/185123A1
The purpose of the present invention is to provide a motor control device for controlling a motor drive device which employs a regeneration resistance scheme, said motor control device allowing for accurate measurement of power consumpti...  
WO/2014/185489A1
This drive apparatus is provided with: a motor having a drive part that rotates a first shaft member; a transmission part that transmits the rotation of the first shaft member to a second shaft member that is different than the first sha...  
WO/2014/185292A1
Provided is an electric linear actuator with low power consumption. Said electric linear actuator has an electric motor (10), a motion conversion mechanism (11) that converts rotational torque from said electric motor (10) to linear forc...  
WO/2014/184833A1
Provided is a resolver malfunction detection method that can promptly detect malfunctions without requiring complex computations, an angle detection device, a motor, and a transport device. A circuit is provided that supplies a sinusoida...  
WO/2014/185040A1
An electrically raisable/lowerable storage device provided with a storage shelf (2) to be raised and lowered between an upper-limit position and a lower-limit position, a raising/lowering unit (3) for raising and lowering the storage she...  
WO/2014/180636A3
The invention relates to a circuit arrangement (1) for operating an electric machine (2, 2a), which has a plurality of lines (U, V, W), each for one phase of an alternating current to the electric machine, each line (U, V, W) having a pl...  
WO/2014/180737A3
The invention relates to a motor (1) for driving a pump (2), in particular a coolant pump, - having an electromagnet (3) for generating a first magnetic field by means of an electric current flowing through the electromagnet (3), - havin...  
WO/2014/181109A1
A method of controlling a motor of an electric power assisted steering system, the motor (14) having a plurality of phases (21), the method comprising taking as an input an input signal (12) indicative of a desired assistance torque and ...  
WO/2014/177802A1
Method and corresponding system for verifying the operation of a motor propulsion plant fitted to an automotive vehicle with electric or hybrid traction, the motor propulsion plant comprising an electric motor furnished with a permanent-...  
WO/2014/178331A1
The purpose of the present invention is to facilitate determining a load rate without an extra burden of managing a rated value for a motor driven by a drive device while reliably avoiding error in selecting the rated value. Provided is ...  
WO/2014/177907A1
An electronic device (410) is for controlling motor drive circuits for driving a multi-phase motor (460) in a force assisted system. Each motor drive circuit (420,420',420") selectively permitting current to flow into or out of a respect...  
WO/2014/178255A1
Provided is a controller capable of flexibly handling addition, modification and deletion of data to be read out or updated, and enabling an operator to intuitively designate the data desired for read out or update without imposing extra...  
WO/2014/173792A2
The invention relates to a method for operating a three-phase brushless DC motor (2) with a pulse-width modulation controlled electronic commutation in the event of a malfunction. A maximum number (n) of commutation steps, a direction of...  
WO/2014/174682A1
A magnet temperature estimation device for a permanent magnet motor comprises: a voltage detection unit (1) for detecting a voltage when a winding is energized; a high-order component detection unit (2) for detecting a high-order compone...  
WO/2014/173411A1
The invention relates to a method for monitoring drive engines, particularly for aircraft or the like, particularly in the start-up phase, wherein a detection of abnormal start-up behaviour, particularly elevated torque, is provided, or ...  
WO/2014/173792A3
The invention relates to a method for operating a three-phase brushless DC motor (2) with a pulse-width modulation controlled electronic commutation in the event of a malfunction. A maximum number (n) of commutation steps, a direction of...  
WO/2014/175628A1
The present invention relates to a servo motor controller for controlling a servo motor having a current limiting unit, and a non-tuning nonlinear control method therefor. According to the present invention, the servo motor controller co...  
WO/2014/173411A4
The invention relates to a method for monitoring drive engines, particularly for aircraft or the like, particularly in the start-up phase, wherein a detection of abnormal start-up behaviour, particularly elevated torque, is provided, or ...  
WO/2014/171191A1
The purpose of the present invention is to provide a motor control device capable of adjusting a gain parameter for pressure control, which can improve the control performance of the motor control device while ensuring a stable control s...  
WO/2014/167852A1
This motor drive device (30) is provided with an operation pattern generating unit (1), a position and speed control unit (23), a load characteristic compensation unit (24) and a load characteristic measurement unit (7). For each operati...  
WO/2014/168055A1
The present invention provides a technical means for improving the precision of tuning through which the parameters of an electric motor are adjusted to optimal values, the parameters being set in an electric motor drive apparatus. A con...  
WO/2014/167851A1
This motor drive device (2) is provided with a command response setting unit (22), a position and speed control unit (23), a load characteristic compensation unit (24), a servo adjustment unit (6), a command response setting function (22...  
WO/2014/167808A1
A motor drive device according to the present invention drives a motor while carrying out feedback control so that an actual operation follows a command. The motor drive device comprises: a feedback control unit for carrying out feedback...  
WO/2014/167690A1
A cooling control device and cooling control method for an electric-vehicle motor whereby damage to said motor can be reduced without making the user feel as though something is wrong are obtained. A vehicle control unit has the followin...  
WO/2014/159157A1
A system and method for monitoring and controlling the amount of electrical current provided to a motor used to actuate a field device within a control system.  
WO/2014/156164A1
The motor drive device according to the present invention is provided with a basic servo-control function and an automatic-adjustment function. The servo-adjustment method according to the present invention is for such a motor drive devi...  
WO/2014/154290A1
The present disclosure relates to a method for controlling a chain-link converter, said converter comprising three phase legs, each of which phase legs comprising a plurality of series-connected converter cells, each of which cells compr...  
WO/2014/155112A1
A drive system for a brushless DC motor having a rotor including at least one permanent magnet and a stator including at least one phase winding, the system comprising a drive circuit including switch means associated with the winding fo...  
WO/2014/158379A3
A motor driver includes at least two terminals suitable for being coupled to a motor controller and to receive a motor command signal and transmit a motor status signal when the motor driver is controlling a motor. A serial data communic...  
WO/2014/157508A1
[Problem] To provide an electric-powered vehicle that enables a pedaling feeling similar to that in a vehicle in which a pedal rotation mechanism and a driving wheel are mechanically connected to be obtained. [Solution] A vehicle in whic...  
WO/2014/147757A1
A motor drive system according to an embodiment of the present invention is provided with a motor having a strain area in which mechanical strain occurs due to excitation current, a motor controller for controlling driving of the motor, ...  
WO/2014/148731A1
Disclosed therein is a method of operating a variable magnetic flux motor. The method of operating the variable magnetic flux motor, which includes a rotor and a stator located inside the rotor, the rotor including first magnets and seco...  
WO/2014/149355A3
A load commutated inverter (LCI) drive system for a synchronous electrical machine is provided. The system may include a first supply bridge and a second supply bridge, each of which may include an alternating current to direct current (...  
WO/2014/138757A1
Method for identifying pole slip of an electrical generator (2), in particular synchronous generator, which is electrically connected to a power supply system (1), wherein a rotor (3) of the generator (2) is mechanically connected to a m...  
WO/2014/133750A1
A ground fault protection system (216) is disclosed. The ground fault protection system may include a controller (306) that is configured to receive signals representing a ground fault detection voltage and a DC link voltage of a machine...  
WO/2014/130201A1
An electric motor controller is configured to be coupled to an electric motor. The controller is also configured to control the electric motor to produce torque when direct current (DC) link voltage has a 100% voltage ripple, or when dir...  
WO/2014/128829A1
A vehicular electric motor control device (100) is a vehicular electric motor control device that controls electric motors(MG1, MG2) capable of providing a plurality of characteristics with different torque output upper limits. The vehic...  
WO/2014/128401A3
An electrical architecture (1) for converting DC voltage into AC voltage, and vice versa, comprising: -a DC/AC voltage converter (2), comprising a plurality of arms mounted in parallel, each arm comprising two controllable switching cell...  
WO/2014/128437A2
A method of monitoring an electric motor circuit of the kind comprising an electric motor having a plurality of phases delta configuration, a plurality of electrical switches arranged in a bridge, operable in response to signals from a c...  
WO/2014/128437A3
A method of monitoring an electric motor circuit of the kind comprising an electric motor having a plurality of phases delta configuration, a plurality of electrical switches arranged in a bridge, operable in response to signals from a c...  
WO/2014/126295A1
The present invention relates to a network-based motor control system-on-chip (SoC) and a motor control method. The network-based motor control system related to an example of the present invention includes a network unit; a first proces...  
WO/2014/125604A1
A motor drive circuit comprises: a CPU for controlling the operation of a bridge circuit by controlling the control voltage output from a pre-driver; a voltage detection circuit for detecting the voltage of a battery on the basis of the ...  
WO/2014/118942A1
When a bus bar current detected by a bus bar current detector (11) exceeds a current cutoff value, an overcurrent detector (12) outputs an open signal for turning off switching elements (5 - 10) to a gate driver (14) to cut off the energ...  
WO/2014/115382A1
This motor control device (19) supplies a detection current to a motor (9) at a prescribed time period, detects the voltage between both ends of a smoothing capacitor (13) when the detection current is supplied, and determines from the c...  
WO/2014/115626A1
This induction motor control device, which sets a motor torque command value on the basis of vehicle information and controls an induction motor connected to the drive wheels, calculates a first torque current command value and a first e...  
WO/2014/112178A1
In order to obtain a motor control apparatus for achieving high speed and good response characteristics, the motor control apparatus is provided with: a speed model (21) for calculating the change component of a first state variable (ΞΎ)...  
WO/2014/109057A1
An energy assist system selection support device for supporting the selection of an energy assist system that includes a step-up and step-down chopper unit, an electricity storage unit, and a motor and drives a machine, the energy assist...  
WO/2014/103693A1
A motor torque command value is inputted into a filter with a characteristic Gm(s)/Gp(s), which is composed of a model Gp(s) of transmission characteristics from the torque input to the vehicle to the motor speed output and of an ideal m...  
WO/2014/103601A1
A motor control device having a lock mechanism (11) for locking the rotation of a wheel, and a motor, comprises: a detection means for detecting the release of the lock mechanism (11); a damping control means for controlling torsion vibr...  

Matches 251 - 300 out of 19,932