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Patent Searching and Data


Matches 251 - 300 out of 19,418

Document Document Title
WO/2014/067806A3
The invention relates to a method for operating an electronically commutated electric machine (2), having the following steps: Activating a driver circuit (3) in accordance with a commutation schema by switching power semiconductor switc...  
WO/2014/069281A1
This control device controls an electric vehicle driven by a drive motor unit (6) configured from an electric motor (4) and a mechanical unit (5), and is provided with: an equivalent efficiency estimation means (15) which estimates an eq...  
WO/2014/063926A3
A tracking circuit and method are disclosed for tracking an orientation of a rotor of a motor, such as a three-phase sensorless, synchronous, sine wave permanent-magnet motor, during a loss of source power to a motor drive. The circuit c...  
WO/2014/064836A1
A computation circuit different from a CPU is configured to perform a prescribed computation for consolidating information sampled during one cycle of a carrier frequency by variably controlling a sampling cycle for information in accord...  
WO/2014/057533A1
[Problem] To more accurately detect the overload state of a motor while achieving maximum motor performance. [Solution] A serial converter (3) has: an overload determination unit (35) for comparing, against a threshold, the detection val...  
WO/2014/057558A1
In order to accurately estimate the temperature of a permanent magnet used in the rotor of a motor, a motor control device of a vehicle provided with a motor as a power source includes: an estimation mode setting unit that makes an elect...  
WO/2014/056799A3
The invention relates to a motor control system and a method for the field-oriented control of an electric motor for driving a vehicle. The motor control system comprises a current setpoint creator (1), which is designed to receive a tor...  
WO/2014/055639A1
An active suspension system for a sprung mass. The suspension system has an electromagnetic motor that produces force on the sprung mass and that is powered by power from a power source. The motor has an armature, and a stator with coils...  
WO/2014/054142A1
[Problem] To easily execute selection processing of motor equipment in a multi-axis drive system provided with a plurality of mechanisms to be driven. [Solution] An equipment selection device for selecting motor equipment displays an ope...  
WO/2014/050854A1
Provided is a device capable of reducing power consumption. An actuator drive device (30) includes a DC voltage generation unit (31), a voltage detection unit (34), a drive voltage generation unit (37), and a switching unit (35). The DC ...  
WO/2014/050404A1
A motor control device (1) comprises: a communication unit (11) which receives a control command including a motor type identification signal representing the type of a motor (2) to be controlled and a signal designating the target rotat...  
WO/2014/045705A1
An audio signal which is outputted from a sound source circuit (14) is passed through a coil (16) within a transducer which oscillates a sound board, and a sound signal is emitted by the oscillation of the sound board. A microcomputer (3...  
WO/2014/041720A1
This motor control device (110), which controls a motor (105) that drives a fan (104), is equipped with: an air volume calculation unit (113) that calculates the air volume (Q) supplied by a fan (104); and a torque command generation uni...  
WO/2014/032718A1
The invention relates to a switchgear (1) which comprises a control unit (2), a supply connection (7) and a first current path (15), the first current path (15) comprising a first electromechanical switch (11) and, connected in series to...  
WO/2014/033201A2
A variable speed drive system employing an electric motor and a frequency converter arranged between an AC power source and the electric motor is operated. The frequency converter functions to convert AC power obtained from the AC power ...  
WO/2014/033201A3
A variable speed drive system employing an electric motor and a frequency converter arranged between an AC power source and the electric motor is operated. The frequency converter functions to convert AC power obtained from the AC power ...  
WO/2014/024360A8
Provided are a motor control device and a motor control method with which control can be implemented to accurately achieve a constant air quantity without relying upon pressure loss conditions and electrostatic pressure variation, while ...  
WO/2014/024359A1
Provided is a motor control device, a motor control method, and an air-blowing device with which control can be implemented to achieve a constant air quantity without relying upon pressure loss conditions and electrostatic pressure varia...  
WO/2014/023888A2
System for controlling the electromagnetic torque of an electric machine in particular for motor vehicle. System for control (1) of the electromagnetic torque of a permanent-magnet three-phase electric machine (10), comprising means (2) ...  
WO/2014/024360A1
Provided are a motor control device and a motor control method with which control can be implemented to accurately achieve a constant air quantity without relying upon pressure loss conditions and electrostatic pressure variation, while ...  
WO/2014/019882A1
The present invention relates to a method for detecting a fault in an electrical machine, in particular a synchronous motor, and to a motor control unit for controlling an electrical machine. In addition, the invention relates to a motor...  
WO/2014/017487A1
A main control circuit (11) for driving a motor is configured so as to have: a Pch FET (T11), which is provided in series with a diode (D1), and the source (S) of which is connected to a secondary-side contact (MC2) of a main contactor (...  
WO/2014/017019A1
A method for determining irregularity in an industrial machine driven using a motor. An irregularity is determined to be occurring in the industrial machine when the current difference between the motor current command value and the moto...  
WO/2014/017444A1
An audio signal that is output from an audio source circuit (14) is passed to a coil (16) in a transducer that vibrates a soundboard, and thereby generates an audio signal by vibration of the soundboard. A microcomputer (30) inputs the a...  
WO/2014/016767A1
An electric motor (1) with onboard inverter, comprising a motor body (2) which is associated with at least one output shaft (3) and supports an inverter (4) for adjusting the speed of the output shaft (3); the electric motor (1) comprise...  
WO/2014/017146A1
Provided is a technology of detecting not only a main direct current voltage, but also a sub-direct current voltage, thereby contributing to protection of a main rectifying circuit and a sub-rectifying circuit. A main power supply circui...  
WO/2014/012712A2
Methods for protecting an electric motor from overload, which serves to drive an actuation device, wherein first a critical operating state of the electric motor is deduced and, when a critical operating state is detected, measures for p...  
WO/2014/012712A3
Methods for protecting an electric motor from overload, which serves to drive an actuation device, wherein first a critical operating state of the electric motor is deduced and, when a critical operating state is detected, measures for p...  
WO/2014/010063A1
A motor controller comprises: a position detector having a detection element for outputting an analog sine wave in accordance with the movement of an object to be detected, an analog filter for filtering the analog sine wave outputted fr...  
WO/2014/005593A3
This invention relates to a method of controlling and a control system (100) for a superconductive rotating electric machine (200) comprising at least one superconductive winding (102; 103), where the control system (100) is adapted to c...  
WO/2014/006368A3
A method of controlling a brushless motor comprising sensing a temperature, using the sensed temperature to define a current limit, and sequentially energising and de-energising a winding of the motor, the winding being de-energised in r...  
WO/2014/006368A2
A method of controlling a brushless motor comprising sensing a temperature, using the sensed temperature to define a current limit, and sequentially energising and de-energising a winding of the motor, the winding being de-energised in r...  
WO/2013/189635A3
The invention relates to a method for controlling an inverter (10) using space-vector pulse width modulation, in particular to control an electric machine, the inverter being equipped with a plurality of controllable switches (S) and bei...  
WO/2013/189518A1
The invention relates to a method for transmitting information between an electric motor (2) and a motor control unit (4) by means of at least one transfer signal (T1, T2), wherein, as information, motion state information of the electri...  
WO/2013/189630A1
The invention relates to a method (40) for controlling an inverter (10) using space-vector pulse width modulation, in particular to control an electric machine (14), said inverter (10) being equipped with a plurality of controllable swit...  
WO/2013/189632A3
The invention relates to a method (60) for controlling an inverter (10) using space-vector pulse width modulation, in particular to control an electric machine (14), said inverter (10) being equipped with a plurality of controllable swit...  
WO/2013/189629A3
The invention relates to a method for controlling an inverter (10) using space-vector pulse width modulation, in particular to control an electric machine (14), the inverter (10) being equipped with a plurality of controllable switches (...  
WO/2013/190429A3
A control unit for identifying a fault in an electric motor or generator, the control unit comprising means for measuring a value of a first parameter associated with the operation of the electric motor or generator; means for increasing...  
WO/2013/190429A2
A control unit for identifying a fault in an electric motor or generator, the control unit comprising means for measuring a value of a first parameter associated with the operation of the electric motor or generator; means for increasing...  
WO/2013/189641A3
The invention relates to a method for actuating an inverter (10) by means of space vector pulse width modulation, in particular for actuating an electrical machine (14), wherein the inverter (10) has a plurality of controllable switches ...  
WO/2013/190429A9
A control unit for identifying a fault in an electric motor or generator, the control unit comprising means for measuring a value of a first parameter associated with the operation of the electric motor or generator; means for increasing...  
WO/2013/186975A1
An upper-level controller is installed with a plurality of different control software corresponding to a plurality of delivery destinations of a cooling blower for cooling a main machine battery installed on a vehicle. The upper-level co...  
WO/2013/186871A1
When measuring the cogging torque of a test motor from a q-axis current generated by a driving motor when bypassing a torque sensor and directly connecting the test motor to and driving the same with the driving motor, first the q-axis c...  
WO/2013/178907A3
A method for monitoring the torque produced by a motor vehicle engine (M), in particular an electric engine comprising: -a step (15, 20) of comparing an estimated or measured value of the torque produced by said engine (CE) with a low li...  
WO/2013/181570A2
A system (for controlling cooling of an alternator) compirses a control system, an alternator, and a blower fan, the alternator having a stator and a rotor. The control system is adapted to estimate one or more temperatures of the stator...  
WO/2013/181570A3
A system (for controlling cooling of an alternator) compirses a control system, an alternator, and a blower fan, the alternator having a stator and a rotor. The control system is adapted to estimate one or more temperatures of the stator...  
WO/2013/178907A2
A method for monitoring the torque produced by a motor vehicle engine (M), in particular an electric engine comprising: -a step (15, 20) of comparing an estimated or measured value of the torque produced by said engine (CE) with a low li...  
WO/2013/176981A1
A variable flux electric machine including a frame, an armature rotatably mounted within the frame, a first field having a plurality of windings that defines at least one wound pole fixedly mounted relative to the frame, a second field h...  
WO/2013/171403A1
A method for determining at least one state of an electric circuit (1), the electric circuit (1) comprising at least: -one electrical winding of a polyphase rotating electrical machine stator (4), said winding (4) comprising a plurality ...  
WO/2013/167309A3
The invention relates to a selection unit (60, 280) for selecting the configuration (K1 to K3) of an electric motor (10, 54, 250), comprising: an input unit (EE), which can receive at least one signal (295) or data, which indicates a dri...  

Matches 251 - 300 out of 19,418