Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 251 - 300 out of 18,731

Document Document Title
WO/2013/073026A1
The purpose of the present invention is to suppress the mutual interference between current controllers, and suppress a response to a motor current command and a low-frequency component of a motor current due to the voltage error of a po...  
WO/2013/068087A3
Method for controlling a motor using pulse width modulation (PWM), having the following steps of: measuring the PWM frequency; determining the carrier frequency of a set radio transmitter; matching the PWM frequency to the carrier freque...  
WO/2013/064474A3
The invention relates to a method for operating a multiphase electrical machine (2) in the event of a fault, wherein the electrical machine (2) is driven with the aid of a driver circuit (3), wherein the driver circuit (3) has half-bridg...  
WO/2013/057767A1
In the motor drive device and the roller conveyer device utilizing the motor drive device pertaining to the present invention, multiple control parameters are stored in, for example, an EEPROM (12) with regard to control parameters for a...  
WO/2013/058122A1
This motor control device generates a voltage command value from a current command value, performs feedback control by means of a detected current flowing through a motor, and is provided with: a speed control unit that performs speed co...  
WO/2013/058071A1
Provided is a ventilator device (1), comprising an air path (8) and a blower fan (17) which is positioned within the air path (8), and which is maintained at a prescribed set RPM by varying the duty ratio of drive voltage by PWM control,...  
WO/2013/058109A1
This motor control device generates a voltage command value from a current command value and performs feedback control by means of a detected current flowing through a motor. The motor control device is provided with: a speed control uni...  
WO/2013/054662A1
A reference modeling unit (3) calculates, for a position command (yc), a model position (ya) followed by the model of a control target (2), and a model torque (τa) for performing an operation in which the model of the control target (2)...  
WO/2013/053573A1
The invention relates to a method for operating a converter for a starter motor, in particular a belt-driven starter motor, of a vehicle, comprising the steps of detecting a temperature of the converter and controlling a current supplied...  
WO/2013/052540A3
An object (10) includes an electric actuator system (11) and a method (12). The object (10) may be a vehicle that includes wheels (18-21). The system (11) and method (12) include microprocessor based controllers (32), (33) and (37), elec...  
WO/2013/042578A1
A motor drive device (1) that is configured by using a setting display unit (20) regarding the driving of a motor, wherein when the setting content of a certain setting item is to be changed, this setting display unit (20) displays the s...  
WO/2013/037417A1
The invention relates to a device (1) for protecting a consumer (2), with a first current path (100) having two lines (101, 102), and a monitoring arrangement for detecting an imminent overload of the electrical consumer (2). In order to...  
WO/2013/037418A1
The invention relates to a device (1) for protecting a load (2), with a first current path (100) having two lines (101, 102), and a monitoring arrangement for detecting an imminent overload of the electrical load (2). In order to enable ...  
WO/2013/035735A1
Provided is a device which uses a resolver to detect an angle of rotation of a rotor, with which it is possible to obtain an angle of rotation of a rotor with a small error while reducing load on an adjuster. An angle measured value acqu...  
WO/2013/031268A1
Provided are an integrated servo system (3) and a method with which a motor (11) is controlled. The integrated servo system (3) is equipped with a position detection unit (13) that detects data used to calculate the position of the motor...  
WO/2013/030043A3
The invention relates to an electronically commutated electrical motor. The electronically commutated electrical motor has at least two stator coils and an in particular permanent magnetic rotor. The electrical motor also has a power out...  
WO/2013/031389A1
The purpose of the present invention is to reduce loss (heat generation) in a capacitor pre-charge circuit and to make the circuit more compact. A capacitor pre-charge circuit according to the present invention charges a capacitor to be ...  
WO/2013/026669A2
The aim is to provide a drive apparatus and a method with which the problems of dangerous braking torques and overvoltages in the field-weakening mode are reduced. Therefore, the invention proposes a drive apparatus for a motor vehicle h...  
WO/2013/026669A3
The aim is to provide a drive apparatus and a method with which the problems of dangerous braking torques and overvoltages in the field-weakening mode are reduced. Therefore, the invention proposes a drive apparatus for a motor vehicle h...  
WO/2013/025753A3
A system for operating a compressor. The system includes a motor, an inverter bridge, a voltage detection circuit, and a controller. The motor has a stator and a rotor. The inverter bridge is configured to provide a voltage to the stator...  
WO/2013/025753A2
A system for operating a compressor. The system includes a motor, an inverter bridge, a voltage detection circuit, and a controller. The motor has a stator and a rotor. The inverter bridge is configured to provide a voltage to the stator...  
WO/2013/023807A2
The invention relates to an operating state circuit for actuating an inverter (3), which supplies an n-phase electrical machine (5) with an n-phase supply voltage via phase connections (4a, 4b, 4c), wherein n ≥ 1, comprising an evaluat...  
WO/2013/023807A3
The invention relates to an operating state circuit for actuating an inverter (3), which supplies an n-phase electrical machine (5) with an n-phase supply voltage via phase connections (4a, 4b, 4c), wherein n ≥ 1, comprising an evaluat...  
WO/2013/018326A1
The present invention increases the precision with which locking faults and disconnection faults are determined, and eliminates the erroneous detection of motor faults in a container refrigeration device which refrigerates the interior o...  
WO/2013/018786A1
This invention provides a load control system which facilitates the construction of a control system for controlling multiple load drive elements such as actuators for load drive. In order to drive control each of a plurality of load dri...  
WO/2013/018205A1
This exercise device (100) is provided with a movable part (10), a drive part (13), a position detection unit (17) and a control unit (24). On the basis of the current drive position of the drive part as detected by the position detectio...  
WO/2013/013792A3
The invention relates to a drive system and a method for operating a drive system, comprising at least one converter feeding an electric motor and a safety monitor, it being possible for an alternating current, in particular a multi-phas...  
WO/2013/007511A2
The invention relates to a method for controlling the rotational speed of an electric drive motor (3) of a household appliance (1) by means of a control device (4), which is supplied with a tachometer signal (6) of a tachometer (5), said...  
WO/2013/007511A3
The invention relates to a method for controlling the rotational speed of an electric drive motor (3) of a household appliance (1) by means of a control device (4), which is supplied with a tachometer signal (6) of a tachometer (5), said...  
WO/2013/007414A1
In a method for adjusting a parking brake which comprises an electromechanical brake device with an electric brake motor for generating a clamping force, the motor constant of the brake motor is determined as a function of the motor resi...  
WO/2013/005388A1
This motor control device computes a correction value with a deviation correction unit when a move command generation unit has detected an emergency stop executed by an emergency stop command unit and transmission of a move command from ...  
WO/2013/004684A3
The invention relates to an electronically commutated electric motor. The electric motor has a stator and a rotor, in particular one formed with permanent magnets. The electric motor has a control unit, which is connected on the output s...  
WO/2013/004285A1
A system, method and computer program product for monitoring including detecting internal faults especially inter-turn faults of a synchronous generator (1) and thus protecting the synchronous generator (1). The synchronous generator (1)...  
WO/2013/005591A1
A motor control device comprises: a means for inputting parameters necessary for controlling a motor, the parameters consisting of the operation start and end positions of an object to be controlled, the maximum rotation speed of the mot...  
WO/2013/002152A1
The hybrid shovel according to an embodiment of the present invention is a hybrid work machine comprising: a rotary electric motor (21) for rotating an upper rotary body (3); hydraulic actuators (1A, 1B, 7-9); and a controller (30) that ...  
WO/2013/000630A3
The invention relates to an electrically excited machine (2), in particular for use in a steering system of a motor vehicle, comprising: a stator with a stator winding having multiple phases; an exciter winding (3) which is arranged so a...  
WO/2012/176268A1
While normal operation is being performed in accordance with a first command signal from a controller, motor driving information is sampled, acquired, and stored in a storage unit at regular intervals. When an abnormality occurs, a secon...  
WO/2012/171769A3
The invention relates to a method for controlling a wind turbine with a generator (1) comprising a stator (2), comprising a rotor (4) with at least two rotor poles (6), each of which comprises a pole winding (32, 42) for generating a mag...  
WO/2012/171603A3
The invention relates to a method (500) for controlling a torque of an electric motor of an electro-hydraulic system. The method (500) comprises the step of selecting (510) a value of a set point torque depending on a current pressure in...  
WO/2012/172647A1
[Problem] To allow a faulty wiring factor to be determined quickly and accurately. [Solution] This multiaxial motor drive system has: multiple motors (100) each equipped with an encoder (102); a high-order control unit (200) that outputs...  
WO/2012/169278A1
In order to reduce the amount of power to be consumed for positioning control as much as possible, a motor control apparatus generates a plurality of parameters for a command-value curve, which prescribes the transition of a position com...  
WO/2012/169413A1
A construction machine is provided with: a rotating body (1d); an electric motor (16) for driving the rotating body; an operating device (4b) for outputting an operating signal according to an operating amount and operating direction; an...  
WO/2012/165236A1
The purpose of the present invention is to reduce the time it takes for a vehicle-carrying lift conveyance device to move up and down. A mechanical parking device that uses a lifting motor (36) to raise and lower said lift conveyance dev...  
WO/2012/164740A1
[Problem] To make setting-up easier to carry out. [Solution] A multi-axis motor driving system comprises: a plurality of motors (100) provided with encoders (102) for detecting speed; an upper-level control apparatus (200) for outputting...  
WO/2012/163731A3
During the operation of a generator (10) in an electrical system (1), particularly in a stand-alone system, such as an onboard power supply system on a ship or an offshore platform, wherein the electrical system (1) comprises a first sub...  
WO/2012/165011A1
The load characteristic estimation device of a drive machine according to the embodiment comprises: an action command generation part (5) for generating action commands pertaining to the position and speed of a drive machine (3); a drive...  
WO/2012/163582A1
The invention relates to a method for operating an inverter, in particular a pulse-controlled inverter, comprising multiple phase systems (2, 3, 4), each of which has an outer conductor (7, 8, 9) and at least one semiconductor component ...  
WO/2012/163579A1
The invention relates to a method for operating an inverter (1), in particular a pulse-controlled inverter, comprising multiple phase systems (2, 3, 4), each of which has an outer conductor (7, 8, 9) and at least one semiconductor compon...  
WO/2012/163731A2
During the operation of a generator (10) in an electrical system (1), particularly in a stand-alone system, such as an onboard power supply system on a ship or an offshore platform, wherein the electrical system (1) comprises a first sub...  
WO/2012/163580A1
The invention relates to a method for operating an inverter (1), in particular a pulse-controlled inverter, comprising multiple phase systems (2, 3, 4), each of which has an outer conductor (7, 8, 9) and at least one semiconductor compon...  

Matches 251 - 300 out of 18,731