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Patent Searching and Data


Matches 251 - 300 out of 19,207

Document Document Title
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...  
WO/2013/165753A3
A system and method for detecting ground faults in an AC motor drive is disclosed. A fault detection and protection system for an AC motor drive includes current sensors to measure first and second phase output currents, a voltage sensor...  
WO/2013/160142A1
The invention relates to a control device (1) for controlling a brushless DC motor (3). The control device (1) is designed to supply the DC motor (3) with energy. Furthermore, the control device (1) is designed to heat the DC motor (3), ...  
WO/2013/159461A1
A constant air volume control method of a motor. A function relationship Q = F(T, n, V) of an air volume is first established, and multiple rotating speed segments each have a corresponding adjustment coefficient V. A micro processor of ...  
WO/2013/159842A3
A drive arrangement (1) comprising an input (2) from a primary power source (5) and an auxiliary power source (7). The drive arrangement (1) incorporates a DC-DC converter (8) and a motor driver circuit (14). The motor driver circuit (14...  
WO/2013/161367A1
The present invention provides an electric motor control device capable of reducing the burden on the operator and automatically adjusting control parameters to achieve stable operation, and a method for automatically adjusting the devic...  
WO/2013/161399A1
Provided is a deposit detection device for an exhaust pump which can be implemented easily without generating burdens such as the installation of equipment for circulating a gas or the addition of or changing of a device operating mode. ...  
WO/2013/157542A1
This motor control device is an electric motor control device that has a control unit (control circuit unit) that outputs an electric motor forward-rotation command or a reverse-rotation command to the electric motor. The control unit is...  
WO/2013/157313A1
An electric-vehicle control device for setting a motor-torque command value on the basis of vehicle information, and controlling the torque of a motor linked to a drive wheel, wherein: at the motor-torque command value, a filtering proce...  
WO/2013/156793A3
A drive system for a motor 2 comprises a drive stage 15, control means16 arranged to control operation of the drive stage to control the drive current to the motor 2, and sensing means 30 arranged to generate a temperature output indicat...  
WO/2013/157314A1
A vehicle vibration-suppression control device is provided with: a first torque target-value calculation unit into which a motor torque instruction value is inputted, the first torque target-value calculation unit calculating a first tor...  
WO/2013/153328A3
A method for controlling the electric drive train (1) of a vehicle, said train comprising: - a polyphase electrical machine (4), comprising a stator electrical winding having a plurality of coils each forming an electrical phase of the s...  
WO/2013/150606A1
Provided is a rotation speed control device that is capable of reducing problems due to fluctuations of a drive voltage used for driving a rotary body. A drive voltage output unit (3) outputs a drive voltage in accordance with a setting ...  
WO/2013/150948A1
An electric power steering device equipped with a motor control device, said motor control device having a current detection circuit for detecting a motor current in the form of a detected current value, a drive control unit for driving ...  
WO/2013/150948A9
An electric power steering device equipped with a motor control device, said motor control device having a current detection circuit for detecting a motor current in the form of a detected current value, a drive control unit for driving ...  
WO/2013/143929A1
The method comprises the following steps: operating the synchronous machine (4) in idle mode; recording a measured phase-voltage value (206) of the synchronous machine (2); determining an expected phase-voltage value (208) by associating...  

Matches 251 - 300 out of 19,207