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Patent Searching and Data


Matches 301 - 350 out of 19,418

Document Document Title
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...  
WO/2013/143740A1
The invention relates to a control device (10) for controlling an engine drive torque (Mist), with a load estimation device (1) having a first input terminal for receiving a current engine rotational speed (ω), a second input terminal f...  
WO/2013/140906A1
In order to prevent a motor from performing regenerative braking when a short-circuiting failure occurs in MOSFETs constituting an inverter as well as when a ground fault or a supply fault occurs in any of phase output lines, a power con...  
WO/2013/136645A1
This motor control system is provided with: an upper level controller that receives notification signals and transmits command signals; a motor control device that transmits notification signals and receives command signals; a signal tra...  
WO/2013/137480A3
An electric tool for driving a tip tool, the electric tool includes: a removable battery; the brushless motor configured to generate a driving force for driving the tip tool; an inverter circuit configured to supply drive power from the ...  
WO/2013/132733A1
This motor control device comprises: a PWM demodulation processing unit for demodulating a PWM command signal (Si) into a speed command value (Vr); a rotation control unit for generating a motor driving value (Dd) according to the speed ...  
WO/2013/132941A1
A frequency control apparatus comprises: an input operation unit that determines whether a predetermined operation by an operator has been input; and a control unit that, when the input operation unit has determined that the predetermine...  
WO/2013/132986A1
This control device for a rotating electric machine is equipped with: a torque command calculation unit (40) that calculates a torque command; a braking force command calculation unit that calculates a braking force command; a first torq...  
WO/2013/131905A3
Method for limiting peak currents, particularly depending on a charge quantity provided by a voltage source, and the maximum pitch of the current flanks of an electric motor (11) for an electrohydraulic motor vehicle brake system, partic...  
WO/2013/129532A1
Provided is a dynamometer system capable of stable speed control and position control even in instances of large load inertia. A speed-control device (6C) in a dynamometer system is provided with: a speed-control-circuit unit (61A) for c...  
WO/2013/128505A1
This motor control device (8a) is provided with: units (6-10) for acquiring information indicating motor speed (ω) and motor torque (T); an air flow computer (11) for computing the air flow (Q) of a fan (1) on the basis of the motor spe...  
WO/2013/129294A1
A command value generating circuit (7) determines an acceleration profile (A(t)) representing temporal changes in acceleration of a mechanical load (3) in such a manner that: the mechanical load (3) accelerates from a standstill at a fir...  
WO/2013/123947A1
A rotating electrical motor having a stator with a plurality of stator poles each having a field coil that can be energized sequentially to produce a rotating magnetic field, and a rotor with a plurality of rotor poles for being driven i...  
WO/2013/125034A1
[Problem] To prevent a motor from stopping when an over speed alarm or the like occurs during the main circuit power supply voltage recovery. [Solution] A control unit (6) has a torque limitation unit (17) that begins a first torque limi...  
WO/2013/121852A1
Provided is a vibration suppression control device for an electric motor-driven vehicle, which suppresses the vibration of a vehicle with the electric motor as a power source, wherein the vibration suppression control device is provided ...  
WO/2013/120967A1
A method and controller for controlling the torque a wind turbine is described wherein the wind turbine is configured to deliver power via a converter to a public grid. The method comprises the steps of: receiving a fault signal; and, in...  
WO/2013/122111A1
A method for controlling a spherical motor (10) involves the following: creating beforehand and storing a torque map in which the positions of coils (18) of a stator (14) that are in a coordinate system of a rotor (12) are associated as ...  
WO/2013/120212A1
In a protective device (5) for a doubly fed three-phase generator (4) having a stator winding (4.1) and a rotor winding (4.2), the rotor winding (4.2) is connected to a frequency converter (7) which comprises a machine-side converter (7....  
WO/2013/117500A3
The invention relates to a system for controlling the power supply of an electric machine with which an automobile is provided and which contributes to the movement thereof, wherein the control system is connected, at the input thereof, ...  
WO/2013/118574A1
The purpose of the invention is to provide a power supply control device that reliably stops the operation of a compressor when an abnormality occurs in the compressor. A compressor inverter (28) has a plurality of transistors (Q28a to Q...  
WO/2013/113051A3
A method for monitoring the short-circuiting switching device of a three-phase motor (3) for the drive for vehicles, which switching device is fed from a DC voltage source (1) via a controlled converter (2), wherein the short-circuiting ...  
WO/2013/110672A3
The invention relates to an electric machine, comprising: a set of at least six windings; voltage supply devices capable of supplying an electrical phase; a circuit for controlling the voltage supply devices controlling phase shifts betw...  
WO/2013/110691A3
A wind farm has at least two wind energy installations (1), which each have a generator (10) having a converter (11) for producing electric power. The invention provides a harmonic predictor (6) that determines the harmonic expected from...  
WO/2013/110501A3
The invention relates to a method for actuating a BLDC motor for reducing the current ripple in an intermediate circuit capacitor, wherein there are means for monitoring pulse width modulated signals (PWMU, PWMV, PWMW) for each motor pha...  
WO/2013/110482A3
The invention relates to an overvoltage arrester for an electrical drive, especially a drive for a motor vehicle. The overvoltage arrester is designed to be connected to an on-board power supply system of a motor vehicle. The overvoltage...  
WO/2013/104896A1
In a method of operating an electrical drive system (10) that includes an electric motor (70), the electric motor (70) comprises an armature, which is mounted on a stator, and a rotor. Aligning the stator flux with the rotor flux enables...  
WO/2013/099400A1
An aim of the present invention is to provide a permanent magnet motor controller that can effectively suppress flexural rotation vibrations in a structure that easily produces flexural rotation vibrations generated in a permanent magnet...  
WO/2013/099900A1
Provided is an actuator control apparatus, wherein the output of an actuator is made to follow an instruction input from an upper-level control unit with good precision. In a motor control apparatus (100), a microcomputer (10) sets an up...  
WO/2013/098102A3
The invention relates to a method for operating an electric machine (4), in particular of a motor vehicle, wherein the electric machine (4) is operated in an operating range bounded by the rotational speed and/or the torque of the electr...  
WO/2013/097976A3
The invention relates to a method for controlling the position of an actuator (6) of a positioning element (2), having the following steps: carrying out a control on the basis of a control deviation between a predefined intended position...  
WO/2013/099031A1
[Problem] To enable the average mechanical engineer to perform solo the setting to the adjustment of a motion control-related section. [Solution] This engineering tool has the function of being able by means of an input operation of a ge...  
WO/2013/098102A2
The invention relates to a method for operating an electric machine (4), in particular of a motor vehicle, wherein the electric machine (4) is operated in an operating range bounded by the rotational speed and/or the torque of the electr...  
WO/2013/099032A1
[Problem] To enable the average mechanical engineer to perform solo the setting to the adjustment of a motion-control-related section. [Solution] This motion controller (5) has a motion control means that outputs to motor drive devices (...  
WO/2013/092755A1
The invention relates to an inverter for driving an electric motor installed in a road vehicle, said inverter comprising: at least one sensor for measuring a voltage and current within the inverter; storage means for recording the values...  
WO/2013/092040A1
The invention relates to a power converter circuit (4), which comprises at least two submodules (24, 26) in a series circuit, which draws electrical power from a power source (8) outputting a DC voltage (18), via an inductance (22). Each...  
WO/2013/092752A1
The invention relates to an inverter for driving an electric motor installed in a road vehicle. Said inverter comprises: at least one sensor for measuring at least one voltage and at least one current within the inverter; a storage means...  

Matches 301 - 350 out of 19,418