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Patent Searching and Data


Matches 251 - 300 out of 20,240

Document Document Title
WO/2015/055659A1
A control device (1) has a safety unit (4) which is designed to generate safety control signals (S1 to S4). A driver unit (5) of the control device (1) is designed, irrespective of a state of motor control signals (M1 to Mn), to generate...  
WO/2015/049140A1
The invention relates to a method for controlling and/or regulating a permanently excited synchronous machine having a rotor and a stator having a motor control designed in multiples, comprising a plurality of motor components, each comp...  
WO/2015/045549A1
The present invention communicates with an upper-level controller and enables additional functions that achieve communication with the upper-level controller to be freely customized while causing the detailed contents of an electric moto...  
WO/2015/043981A1
The invention relates to a method for operating a power supply unit (30) for an on-board electrical system (100) of a motor vehicle, wherein the power supply unit (30) has an electrical generator (20) comprising a stator having a stator ...  
WO/2015/044737A1
An inverter controller (4) is configured to control an inverter device (1). The inverter device is configured to generate a drive voltage of an AC load by a switching operation of a switching element connected to a reflux diode. The inve...  
WO/2015/045170A1
A speed calculation unit (3) calculates an angular speed of an electric motor (11) on the basis of pulse signals outputted from a PG (12), and an acceleration calculation unit (4) calculates angular acceleration of the electric motor (11...  
WO/2015/036162A1
A motor position sensor device (1000) comprises a motor position detection unit (1010) being configured to detect a position of a rotor (1110) of an electric motor (1100). The motor positon sensor device (1000) comprises a selection circ...  
WO/2015/037402A1
 A door drive apparatus having a door (1) that opens and closes an exit/entrance, and an electric motor (5) for opening and closing the door (1), wherein the apparatus is provided with: a storage device (3) for storing in advance infor...  
WO/2015/033427A1
An air conditioning device comprises: a compressor motor (41) for driving a compressor; current detectors (21, 23) for detecting currents flowing through power-supply lines connecting between a three-phase AC power supply (3) and the com...  
WO/2015/030083A1
A control device (5) for a rotary electric machine obtains the nth-order component of the drive current supplied to a three-phase rotary electric machine (1) from the direct-current component and the primary component (with the drive cur...  
WO/2015/028744A3
The invention concerns a method for detecting a failure in a three-phase alternator connected to a three-phase rectifier bridge. The method comprises the following steps: - rectifying (70) the voltages generated by the three-phase altern...  
WO/2015/025488A1
 This drive device, which controls an electric motor, is composed of a combination of a plurality of devices such as a circuit breaker, an electromagnetic switch, an inverter, and a servo amplifier. In the prior art, there has been a p...  
WO/2015/022722A1
A coil temperature estimation unit (12) estimates the coil temperature of a motor (1) on the basis of the previously given coil equivalent resistance, thermal capacity, and thermal resistance of the motor (1), the voltage applied to the ...  
WO/2015/022718A1
Provided is a motor control device capable of, even when an abnormality occurs in a motor driving circuit or a multi-phase electric motor, continuing to control the driving of the electric motor, and also provided are an electric power s...  
WO/2015/019652A1
The present invention relates to a drive control apparatus for an electric motor, and a method for controlling the electric motor. The present invention suppresses generation of electric brake, while protecting a semiconductor relay from...  
WO/2015/019653A1
The present invention relates to a motor control device for a vehicle used, for example, for an electric power steering control device which generates an assistive force with an electric motor as a driving source in accordance with a ste...  
WO/2015/019495A1
A motor control device according to an embodiment includes a torque-current control unit, an excitation-current control unit and an estimation unit. The torque current control unit controls the torque current of a motor on the basis of a...  
WO/2015/020009A1
A vehicle-use control device of an embodiment of the present invention is provided with an inverter that converts direct-current power into three-phase alternating-current power and supplies the alternating-current power to a motor for d...  
WO/2015/012576A1
The present invention relates to a driving apparatus for a motor. The driving apparatus for the motor is provided with a rotor position detection unit for detecting position information of a rotor of the motor, a motor driving unit for d...  
WO/2015/011955A1
A reciprocating electric tool according to an aspect of the present invention comprises a mounting unit, a motor, a power transmission unit, and a control unit. The control unit is configured so as to: operate the motor at a first speed ...  
WO/2015/013303A2
A safety system for an electric motor controller is provided. The safety system includes a torque safety monitor having a first processor distinct from a second processor of a main motor controller. The first processor is configured to o...  
WO/2015/005016A1
A device for controlling an inverter (6) for driving a motor (10) comprises: a current command value calculation means for, based on an input torque command value and a rotating state, calculating a current command value for the motor (1...  
WO/2015/004885A1
A control device for a motor according to the present invention comprises a position detector (107), a feed-forward controller (101), a predistorter (102), a feedback controller (103), a vibration suppression controller (104), a torque c...  
WO/2015/002122A1
In this system, an acceleration region (SU) and a deceleration region (SD) are provided between the operation start position and the operation end position of a wiper arm (1), and in the acceleration region/deceleration region, the targe...  
WO/2015/000930A1
The invention relates to a method for actuating a multiphase frequency converter for actuating an electric machine 8, said electric machine 8 being suitable as a traction drive of a vehicle. The frequency converter comprises power switch...  
WO/2014/209741A1
A system and method for controlling an adjustable speed drive (ASD) to decelerate an AC load during a generating mode of operation is disclosed. The ASD includes a capacitor and an inverter coupled to a DC link. A current sensor system i...  
WO/2014/207242A1
A circuit board (36) having a temperature sensor arranged thereon for producing a temperature signal is associated with an electronically commutated motor (32), and a first assembly for continuously determining the service life of the mo...  
WO/2014/202908A1
Eddy current retarder equipment (1) able to be carried on board a vehicle, comprising: a stator assembly (2), comprising inductor windings (23) forming a circuit (4), a rotor assembly (3) designed to be mounted on a transmission shaft of...  
WO/2014/203097A1
A method of controlling a motor drive having a normal mode wherein a DC link voltage is charged using an AC (e.g. mains) power supply and an emergency mode wherein the DC link voltage is charged using a DC supply (e.g. from a battery) is...  
WO/2014/203429A1
This motor selection device retrieves the following, which are stored in a storage means: the maximum output torque (T), the dynamic friction torque (Ti), the constant load torque (Tm), the acceleration interval (ta), the constant speed ...  
WO/2014/202370A1
The invention relates to a method for recognising a wire-break fault during operation of a brushless DC motor (2). A switch-on delay duration (td_ONx) of a transition of an electrical phase potential (SHx) that rests on the stator windin...  
WO/2014/203430A1
This method for selecting an optimal movement pattern selects a plurality of selectable motors and suggests an optimal movement pattern from among the motor movement patterns defined by the position-determining interval during which the ...  
WO/2014/198461A3
A control unit for an electric motor comprises a protective circuit for limiting current or for polarity-reversal protection, the protective circuit comprising a field effect transistor having a gate. The protective circuit further compr...  
WO/2014/199142A1
A method of controlling a brushless motor. The method comprising measuring a temperature of the motor, adjusting a control value in the event that the measured temperature is lower than a threshold, and exciting a winding of the motor. T...  
WO/2014/198374A1
The invention relates to a method and a device for operating a closed-loop or open-loop speed-controlled electric motor (EM) of a fan drive, which motor is connected to an on-board system voltage (UB) of a motor vehicle and the motor spe...  
WO/2014/199994A1
When a feed forward table is used to suppress a torque pulsation of a device which has a battery as a main power source, the internal resistance of the battery causes a voltage fluctuation in accordance with a load power, thereby generat...  
WO/2014/199143A1
A method of controlling a brushless motor. The method comprises storing a power lookup table that comprises a control value for each of a plurality of voltages or speeds, measuring the magnitude of a supply voltage or the speed of the mo...  
WO/2014/198461A2
A control unit for an electric motor comprises a protective circuit for limiting current or for polarity-reversal protection, the protective circuit comprising a field effect transistor having a gate. The protective circuit further compr...  
WO/2014/198374A9
The invention relates to a method and a device for operating a closed-loop or open-loop speed-controlled electric motor (EM) of a fan drive, which motor is connected to an on-board system voltage (UB) of a motor vehicle and the motor spe...  
WO/2014/195706A1
A motor control circuit for an electric motor of an electric power assisted steering system comprises a switching circuit comprising a plurality of electrical switches, a current demand signal generator which converts the torque demand s...  
WO/2014/194104A1
A system that improves on known systems for reducing output torque by a motor in the event of a jam may include an electromechanical actuator (EMA), a motor configured to drive the EMA and a controller. The controller may be coupled to t...  
WO/2014/185123A1
The purpose of the present invention is to provide a motor control device for controlling a motor drive device which employs a regeneration resistance scheme, said motor control device allowing for accurate measurement of power consumpti...  
WO/2014/185489A1
This drive apparatus is provided with: a motor having a drive part that rotates a first shaft member; a transmission part that transmits the rotation of the first shaft member to a second shaft member that is different than the first sha...  
WO/2014/185292A1
Provided is an electric linear actuator with low power consumption. Said electric linear actuator has an electric motor (10), a motion conversion mechanism (11) that converts rotational torque from said electric motor (10) to linear forc...  
WO/2014/184833A1
Provided is a resolver malfunction detection method that can promptly detect malfunctions without requiring complex computations, an angle detection device, a motor, and a transport device. A circuit is provided that supplies a sinusoida...  
WO/2014/185040A1
An electrically raisable/lowerable storage device provided with a storage shelf (2) to be raised and lowered between an upper-limit position and a lower-limit position, a raising/lowering unit (3) for raising and lowering the storage she...  
WO/2014/180636A3
The invention relates to a circuit arrangement (1) for operating an electric machine (2, 2a), which has a plurality of lines (U, V, W), each for one phase of an alternating current to the electric machine, each line (U, V, W) having a pl...  
WO/2014/180737A3
The invention relates to a motor (1) for driving a pump (2), in particular a coolant pump, - having an electromagnet (3) for generating a first magnetic field by means of an electric current flowing through the electromagnet (3), - havin...  
WO/2014/181109A1
A method of controlling a motor of an electric power assisted steering system, the motor (14) having a plurality of phases (21), the method comprising taking as an input an input signal (12) indicative of a desired assistance torque and ...  
WO/2014/177802A1
Method and corresponding system for verifying the operation of a motor propulsion plant fitted to an automotive vehicle with electric or hybrid traction, the motor propulsion plant comprising an electric motor furnished with a permanent-...  

Matches 251 - 300 out of 20,240