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WO/2012/087373A1 |
An exemplary device for controlling movement of an elevator door includes a base configured to be secured in a fixed position on an elevator car. A motor is supported by the base. The motor has a shaft that rotates responsive to operatio...
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WO/2012/078598A2 |
In one embodiment, a system for reducing component noise in a motor in a automobile includes a first gate driver and a second gate driver, a high side FET; a low side FET; a charge pump circuit; a high frequency reduction component; and ...
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WO/2012/076478A1 |
The present invention relates to a monitoring method and system for monitoring an electric motor (3), comprising: - modelling means (5) for modelling a circle diagram on the basis of the strengths of the current of said electric motor, -...
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WO/2012/064202A1 |
An electronically commutated motor is programmed by applying a low frequency mains supply (303) to trigger the motor into programming mode (304) and then applying configuration data (306) to the motor by yet further frequency variations....
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WO/2012/060287A1 |
A load driving apparatus (100) comprises: a first terminal (LDOF) and a second terminal (LDOR) on to which a load is to be connected; and a driver (103) for controlling each of the terminal voltages of the first terminal (LDOF) and the s...
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WO/2012/060521A1 |
A voice coil motor (VCM) is disclosed, the VCM including: a stator including a magnet generating a first electromagnetic field; a mover including a bobbin formed with a hollow hole through which light passes and a coil formed on a periph...
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WO/2012/053310A1 |
[Problem] To provide a motor drive device that can readily protect a motor when the motor is locked. [Solution] A motor drive unit (890) with an input port (891a) to which a reference voltage (Vs) is input and comprising: a motor driver ...
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WO/2012/047886A2 |
An electric motor for propelling a vehicle includes a stator; a rotor that rotates with respect to the stator; a magnet located on the stator or the rotor; a first winding segment and a second winding segment located on the other of the ...
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WO/2012/045506A1 |
The invention relates to a method and a circuit assembly for operating an electrical machine. The method is carried out in particular in a start phase, wherein a current is limited by a controllable resistor, the controllable resistor is...
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WO/2012/044182A1 |
A method of controlling at least one motor in a motorised mobility vehicle, wherein the motor is part of a drive circuit for mobilising the mobility vehicle, the method comprising the steps of: utilising a stored profile of a motor perfo...
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WO/2012/028406A2 |
The invention relates to a circuit assembly for the pulse width modulated actuation of an electric motor. The circuit assembly has at least one transistor half bridge comprising a semiconductor switch, in particular an N-MOS transistor, ...
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WO/2012/023121A2 |
An electrical appliance with a resonant motor (10) for driving a vibratory component is provided that has a control unit for driving the resonant motor (10) with a predetermined driving frequency and for measuring at a predetermined time...
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WO/2012/023120A2 |
The present disclosure proposes a resonant motor unit that has a resonant motor, a control unit for driving the resonant motor at a driving frequency, for short-circuiting the resonant motor during at least a first short-circuiting phase...
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WO/2012/019669A2 |
The invention relates to an electronically commutated motor (20) comprising a first connection (46) for connecting to a positive pole of a direct-voltage source (47) and a second connection (50) for connecting to a negative pole (50) of ...
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WO/2012/020714A1 |
Provided is a motor control apparatus wherein a robot can be made to move appropriately even when a momentary voltage drop occurs, without stopping a motor that makes the robot move. The motor control apparatus (101), which controls a mo...
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WO/2011/143863A1 |
A stepping speed-regulating control device for a DC motor. The control device includes a motor (4). An output shaft (5) of the motor is connected to a grating (6) for cutting an optical coupler (7). The output terminal of the optical cou...
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WO/2011/141607A1 |
The invention relates to an electric driver circuit for supplying power to a power consuming device, said circuit comprising: a control unit for producing outgoing control signals; a control unit for receiving the input voltage from a po...
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WO/2011/128107A1 |
The invention relates to a method for controlling the position and/or speed of an appliance which can be moved by means of an electric motor (1) along a prescribed path. The control is performed continuously such that the selection of a ...
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WO/2011/117278A1 |
The invention relates to a method for operating a ship drive motor (2) fed by at least one pulse width modulated inverter (3), wherein circuit elements (5) of the pulse inverter (3) are switched at a changeable switching frequency, where...
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WO/2011/116586A1 |
A discharging circuit for controlling the speed of a brushed DC tubular motor and a control circuit thereof. The control circuit includes the brushed DC tubular motor, a sampling circuit, an amplifying circuit, a voltage following circui...
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WO/2011/119653A2 |
A modular drive brushless DC motor is disclosed. In one embodiment, a modular drive brushless DC motor includes a rotor having permanent magnets disposed on the inner surface of the rotor, and a plurality of stators mounted on a stator s...
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WO/2011/105468A1 |
Provided is a motor drive apparatus that can detect malfunctioning of a switching element, in addition to malfunctioning of an electric motor. The motor drive apparatus evaluates whether or not an electric motor (2) or a switching elemen...
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WO/2011/102955A1 |
A test controller and method to operate a rotary motor of a pump are provided. The test controller includes a test speed circuit electrically coupled to, but detachable from, the pump and being configured to apply at least one signal to ...
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WO/2011/095013A1 |
A speed setting controller for a DC motor is provided. An inductor (La, Lb, Lc) is connected in series between a switching tube (T1, T3, T5) of the speed setting controller and the DC motor. When a winding of the DC motor is powered on t...
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WO/2011/095719A1 |
The invention relates to a method for controlling a power switch that is connected in series between a terminal of an electric motor and a terminal of a battery supplying power to said motor. Said method comprises a phase (50) for limiti...
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WO/2011/086946A2 |
An electric operating machine comprising a motor and a power circuit driving the motor by the electric power supplied from a battery. The power circuit comprises a voltage conversion part converting an input voltage entered in accordance...
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WO/2011/086945A2 |
The power circuit comprises a voltage conversion part converting an input voltage entered in accordance with a voltage of a power source to generate an output voltage and outputting the generated output voltage to the motor and a current...
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WO/2011/073127A1 |
The present invention relates to a motor control card (1) used for controlling the brushless direct current (BLDC) motors, having a three-phase inverter (3) which transforms direct current received from the AC-DC converter (2) to three p...
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WO/2011/069869A2 |
The invention relates to an electric motor having a stator and a rotor. The electric motor also comprises a controller, wherein the controller is connected to the stator and/or rotor, and is designed for applying current to the stator an...
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WO/2011/067337A1 |
The invention relates to operating an electric motor (12), wherein a motor actuating signal (W) is generated and transmitted to the motor (12). According to the invention, in order to reduce the noise (Pv) generated by operating the moto...
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WO/2011/064030A1 |
The invention relates to an apparatus for determination of the motor current (IMotor) through a direct-current motor (2) in a motor system (1), comprising: - a voltage controller (3) which cyclically applies a supply voltage to the direc...
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WO/2011/060531A1 |
In an electrically powered vehicle, a computer-controlled switching system activates relays to switch additional discrete batteries into a circuit in response to throttle level, where a processor is configured to decide what specific bat...
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WO/2011/057577A1 |
A lawn mower (1) includes a housing (3), a motor (4) which is connected with the housing and is provided with a motor shaft (6), a mowing blade (8) connected with the motor shaft and having at least one cutting edge (10), a power providi...
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WO/2011/057629A2 |
The invention relates to an assembly for actuating an actuator that can be moved between a first end position and a second end position, comprising a direct-current motor and a gear train for moving the actuator. An end position sensor d...
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WO/2011/049543A1 |
The invention proposes an electric motor with a DC travelling magnetic field and variants thereof. The motor has, within its device, an immovable stator with a winding laid in the slots. In one variant, the motor is constructed as a thre...
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WO/2011/031788A2 |
Embodiments of the invention provide methods of controlling a motor, such as a servo motor. One method can include monitoring a current temperature of the motor and a power stage of the motor substantially continuously and substantially ...
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WO/2011/026772A2 |
The invention relates to a device for controlling an electric motor with a pulsed control signal, especially with a pulsed voltage signal or a pulsed current signal, said device comprising a switching element (105) for converting a const...
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WO/2011/026672A1 |
The invention relates to a method and a device for determining a starting speed of a starter of a start-stop system. According to the invention, at least one electric variable of the starter is measured during a starter run-up and the cu...
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WO/2011/019038A1 |
Disclosed is technology for driving a switching element, for driving a load, within a suitable temperature range. In a normal control state, the MCS (20), on the basis of power supply voltage or an indication value, transfers the operati...
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WO/2011/004471A1 |
Disclosed is a vehicular damper system characterized by comprising an electromagnetic damper (10) provided with: (i) an electromagnetic motor (46) for acting in accordance with the approaching and leaving actions of a spring upper portio...
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WO/2011/004470A1 |
Disclosed is a vehicular damper system characterized by comprising: an electromagnetic damper provided with (α) an electromagnetic motor (46) for acting in accordance with the approaching and leaving actions of a spring upper portion an...
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WO/2011/001149A1 |
A motor control system has a sensor for measuring an operational parameter of a motor and includes means for converting the measured operational parameter into an electrical resistance value. The operational parameter measured by the sen...
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WO/2010/150745A1 |
An angular velocity estimate (ωe) used for the control of a motor of an electric power steering apparatus is derived as follows. A resistance calculating unit (52) calculates a motor resistance value (Rc) on the basis of detected values...
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WO/2010/136240A1 |
The invention relates to a direct current motor system comprising a direct current motor having a commutator for controlling windings of the direct current motor, an interference filter for reducing the interference emissions towards and...
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WO/2010/118978A2 |
The invention relates to a method for operating a control circuit (10) having a first output (12) and a second output (14) and having an associated first switching means (16) and an associated second switching means (18), wherein an actu...
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WO/2010/118703A1 |
A self-propelled lawn mower is provided. The lawn mower includes: an onboard battery (4); an electric blade motor (8) operatively connected to the battery for rotating a mowing blade; an electric drive motor (6) operatively connected to ...
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WO2010109964A1 |
A semiconductor integrated circuit device is provided with a motor rotation speed determination circuit for determining the rotation speeds of a motor so as to change motor drive waveform generation processing according to the rotation s...
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WO/2010/092204A1 |
The invention relates to a system for detecting earth faults in rectifier-fed DC systems, comprising: - an earthing impedance (6) in the transformer (1) which feeds the rectifier (3); - a device (23) for measuring the current which flows...
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WO/2010/083877A1 |
The invention relates to an electric motor having a stator (465), to a rotor (470), and to a device for analyzing a signal provided for controlling said motor (11), having a receiving unit (430, 440) for receiving a control signal (PWM_m...
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WO/2010/075926A1 |
The invention relates to a device and to a method for operating a drive (100) having a mechanically commutated electric motor (110), - wherein a rotary position (s) of the drive (100) is determined by a circuit (300) from a ripple of a m...
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