Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 701 - 750 out of 31,647

Document Document Title
WO/2014/057946A1
Disclosed is a motor control device for electric vehicles that controls the torque of a motor connected to drive wheels by setting a motor torque command value on the basis of vehicle information, wherein the motor control device compris...  
WO/2014/057910A1
Disclosed is a motor control device for electric vehicles that controls the torque of a motor connected to drive wheels by setting a motor torque command value on the basis of vehicle information, wherein the motor control device: determ...  
WO/2014/057047A3
The invention relates to a circuit assembly (SA) for discharging an electrical energy store (ES), comprising a first discharge current path (ELP1) from a first, positive current connection (A11) of the energy store (ES) to a second, nega...  
WO/2014/057575A1
The present invention is equipped with a magnet state output means (7) that estimates the magnetic flux of a permanent magnet forming a magnetic field in a synchronous machine (1). The magnet state output means is equipped with: a magnet...  
WO/2014/054096A1
Provided are a motor driving circuit, a motor with a built-in motor driving circuit, a pump motor with a built-in motor driving circuit, and an air conditioner, ventilation fan, heat pump/hot-water supply device, and air conditioner with...  
WO/2014/054657A1
In a control device for an electric vehicle which sets a motor torque command value on the basis of vehicle information and controls the torque of a motor connected to a driving wheel, the control device applies a filter processing to th...  
WO/2014/051167A3
An electric power tool comprising a voltage conversion circuit configured to control magnitude of a voltage applied to a motor in accordance with magnitude of load.  
WO/2014/049694A1
[Problem] To suppress the effects of disturbances such as parameter fluctuations. [Solution] A motor controller comprises: a proportional-integral (PI) compensator (11) that generates a voltage command on the basis of a deviation between...  
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/2014/050283A1
In order to provide a drive control device for a rotary electric machine that is capable of causing the rotary electric machine to generate a torque faithful to a torque command irrespective of the magnet temperature of permanent magnets...  
WO/2014/050792A1
A method for measuring the impedance of a permanent magnet synchronous motor according to an exemplary embodiment of the present invention comprises the steps of: a) providing a stator of a stationary part of the permanent magnet synchro...  
WO/2014/048537A3
The invention relates to a method for operating an electric machine and to an electric motor for carrying out said method, wherein a rotor winding at the rotor is designed as a rotary field winding, and wherein a stator winding is arrang...  
WO/2014/049693A1
[Problem] To provide a current control system with high gain and wide band width. [Solution] A motor controller comprises: a proportional-integral (PI) compensator (11) that generates a voltage command on the basis of a deviation between...  
WO/2014/049867A1
A heat pump that has a compressor equipped with a motor for which sensorless vector control is possible even at a low rotation speed or under a low load is obtained while the cost thereof is suppressed. This heat pump device is equipped ...  
WO/2014/045760A1
A motor control device includes a switching element for controlling a motor, a current control unit for outputting a PWM signal to drive the switching element, and a setting unit for setting a carrier frequency for the PWM signal. Furthe...  
WO/2014/046235A1
This inverter control device is provided with: an inverter (6) that converts DC power inputted from a DC power source to AC power, and supplies the AC power to a motor; a command value calculating means for calculating a command value fo...  
WO/2014/045348A1
[Problem] To provide a field-winding rotating electrical machine that can release a limitation in field current within a predetermined time period in the situation of a vehicle needing the output of ordinary circumstances, even in the st...  
WO/2014/038262A1
A vehicle drive mechanism comprising an engine, a double-rotor type motor, a battery, and a control unit. When the vehicle is in a high-speed cruising state, the control unit reduces the output torque of the engine if the state of charge...  
WO/2014/034291A1
In order to provide feedback on the basis of deviation in the primary magnetic flux when performing primary flux control, an electric motor control device (1) is equipped with: a first coordinate conversion unit (101) that converts a thr...  
WO/2014/033849A1
This thyristor activation device is equipped with a control angle computation unit (9) that contains functions or a table showing the relationship between rotation speed (N) of a synchronous machine (21) and phase control angle (γ) of a...  
WO/2014/034333A1
To provide an electric vehicle drive system capable of improving the stability of a travelling vehicle when a regenerative operation is suspended during operation of a regeneration cooperative brake, the electric vehicle drive system has...  
WO/2014/030459A1
In order to provide a motor driving circuit with which the portion corresponding to a malfunctioning phase can be separated while reducing the size and the cost, this motor driving circuit, which drives a motor, is equipped with: a secon...  
WO/2014/031401A3
Embodiments relate to systems and methods for space vector pulse width modulation switching using bootstrap charging circuits. Platforms and techniques are provided for controlling a power inverter using space vector pulse width modulati...  
WO/2014/029793A3
The invention relates to a method for controlling an electric motor of a hand-held power tool, according to which the electric motor is controlled by means of a pulse width-modulated signal, the carrier frequency of the pulse width-modul...  
WO/2014/024635A1
In order to provide an electric powertrain system having a plurality of heat generation sources and a plurality of heat transfer pathways, which diagnoses the abnormality of the heat transfer pathways and the joints in the powertrain sys...  
WO/2014/024402A1
This pulse-width-modulated waveform generation device is provided with the following: a storage unit that stores data for one or more pulse-width-modulated waveforms; and a control unit that is electrically connected to said storage unit...  
WO/2014/023726A3
An aircraft electrical apparatus comprises an engine starter motor control unit (1) configured to provide an AC input voltage to a transformer rectifier unit (2). Preferably, the apparatus comprises a transformer rectifier unit (2) for s...  
WO/2014/024636A1
Provided is a motor control device that performs a phase correction upon detecting a position error between a detected position, which is calculated from a motor rotational position sensor signal, and a motor-induced voltage position. Th...  
WO/2014/026124A1
A control system for a motor includes a pulse-width modulation module, a pulse skip determination module, and a duty cycle adjustment module. The pulse-width modulation module generates three duty cycle values based on three voltage requ...  
WO/2014/020107A3
A control device comprising an electric motor (19) with a support (20) and a rotor (21) movable relative to the support (20), a control unit (45) by means of which the speed of the rotor (21) can be controlled as a function of an intende...  
WO/2014/014642A3
A system and method for controlling an AC motor drive includes a control system programmed with an algorithm configured to optimize operation of the motor drive. Specifically, the control system is programmed to input an initial voltage-...  
WO/2014/013614A1
A voltage control unit (13) generates a d-axis voltage command value and a q-axis voltage command value on the basis of an operation command signal and a three-phase current. When the state in which the absolute value of the resultant ve...  
WO/2014/013666A1
The control device of the electric compressor establishes a rising temperature region (A), a decreasing temperature region (B) and a steady state region (C) from changes in the temperature of the switching element and sets the carrier fr...  
WO/2014/009375A3
A method for reducing the development of noise in a vacuum pump (10) which is operated with a frequency converter and which has a pump motor (12) which is driven by a frequency converter (14) is characterized in that the motor current is...  
WO/2014/009375A2
A method for reducing the development of noise in a vacuum pump (10) which is operated with a frequency converter and which has a pump motor (12) which is driven by a frequency converter (14) is characterized in that the motor current is...  
WO/2014/010218A1
In the present invention, the amount of increase in the amount of heat release of an inverter is increased by increasing the standing loss of an IGBT element in the inverter in order to prevent frost formation at an outdoor heat exchange...  
WO/2014/006820A1
A motor driving device comprises: an inverter circuit having switching elements; and a control device for controlling the switching of the switching elements. The control device sets a carrier frequency to f1 when a two-phase modulation ...  
WO/2014/002251A1
A heat pump device comprising: a compressor (1) that compresses a refrigerant; a motor (8) that drives the compressor; a winding switching unit (33) that switches the winding structure of the motor (8); an inverter (9) that applies a pre...  
WO/2014/000929A3
The invention relates to a method for operating an electrical motor apparatus (1) having a microprocessor (16), an working memory (17) and an electrically commutable electrical motor (2), which has a plurality of motor phases (3, 4, 5), ...  
WO/2014/002724A1
An electronic control device (10) is provided with a map specifying the relationship between a battery voltage (Vb), a motor speed (ωe), a torque value (T) for a motor (1), a d-axis current command value Id* and a q-axis current command...  
WO/2013/188940A3
The present invention refers to a new electric drive method for linear motor, and, more specifically, an electric drive method essentially based on the sinusoidal pulse width modulation technique, in which electric voltage (31 ) of elect...  
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/2013/189632A3
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/2013/189641A3
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/2013/186065A1
The invention relates to a method for estimating the value of a braking resistor (Rf) used in a power converter connected to an electric motor (M). The power converter comprises a braking cell (CelF) connected to the first power supply l...  
WO/2013/185760A3
A control circuit for driving an electric motor is described in which the control circuit includes a power factor correction circuit. The power factor correction circuit has a DC-link voltage. The control circuit is configured such that ...  
WO/2013/185760A2
A control circuit for driving an electric motor is described in which the control circuit includes a power factor correction circuit. The power factor correction circuit has a DC-link voltage. The control circuit is configured such that ...  
WO/2013/182781A1
The invention relates to a method for controlling a three-phase inverter (2) by means of pulse-width modulation, said three-phase inverter (2) being disposed between a direct current source (1) and an electric machine (3). The pulse-widt...  
WO/2013/181744A1
There is described a method for designing a control software product for integration with a main application of an embedded system adapted to control a power electronic component in a power electronic system, the method comprising: gener...  

Matches 701 - 750 out of 31,647