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Patent Searching and Data


Matches 301 - 350 out of 20,585

Document Document Title
WO/2015/083213A1
A control device is used in an electric vehicle that uses a motor as a traveling drive source and is decelerated by the regenerative braking force of the motor when an accelerator operation amount decreases or becomes zero. The control d...  
WO/2015/079574A1
A control device for an electric vehicle in which a motor is a travel drive source and which decelerates using the regenerative braking force of the motor if the accelerator operation amount is decreased or is zero, wherein if the accele...  
WO/2015/071127A1
The invention relates to a method for operating an electric machine (110) comprising am electronic power converter (115) which is electrically connected to a reference ground potential (UB). A ground difference voltage between the ground...  
WO/2015/071974A1
Provided is a control device for a rotary machine, the rotary machine being provided with a power feeding unit which feeds power corresponding to a power feeding command to the rotary machine, a rotating state detection unit which detect...  
WO/2015/067530A1
The description comprises a drive for a steering system of a vehicle, comprising: a first winding (3) of an electric machine, a first power electronics (2) for controlling the first winding (3), a second winding (5) of an electric machin...  
WO/2015/068214A1
A trace data collection system (1) is provided with: a controller (2) that comprises a trace start signal transmission determination unit (22) that determines a condition for transmitting a trace start signal and a trace start signal tra...  
WO/2015/068210A1
A trace-data generation unit (14) of a trace-data recording system (S) generates motor-control-related trace data for a device. A trace-data transmission unit (31) transmits the generated trace data to a server over a network (N). A trac...  
WO/2015/062834A1
A method for operating a multiphase electric motor comprising a stator with at least two, in particular three, phases (a, b, c) and a rotor, wherein the respective phase (a, b, c) is controlled in each case by a high-side power switch an...  
WO/2015/062448A1
A submersible ground control apparatus comprises a housing component. A heat dissipation component, a display panel (110) and a main control board (17) are arranged inside the housing component. A power board (15) for converting a three-...  
WO/2015/064003A1
A vehicular open/close body control device is provided with: an input circuit that inputs a voltage signal indicating a drive voltage applied to the other end of an open/close motor for a vehicular open/close body to one end of which a p...  
WO/2015/063892A1
[Problem] To determine the occurrence of abnormality in a gate buffer. [Solution] A motor control device (1) that controls a motor and that comprises: a gate drive circuit unit (30) that drives an inverter unit; a PWM control unit (60) t...  
WO/2015/063842A1
[Problem] To increase speed loop gain even for a three-inertia mechanical resonance system. [Solution] A motor control device (100) for controlling a motor, said motor control device (100) having a speed estimator (6) for outputting, on ...  
WO/2015/063427A3
A method for controlling a polyphase electric power steering motor. A method for controlling a polyphase electric power steering motor of a motor vehicle, said motor comprising a stator (1) having: an electric winding connected in star c...  
WO/2015/059486A1
A method of operating an electric motor of an electric power assisted steering system of the kind having a defined fault mode in which the motor is incapable of generating an output torque when the rotor is located in at least one angula...  
WO/2015/059784A1
The objective of the present invention is to obtain a motor control device and a motor control method with which vibration generated in a vehicle can be suppressed without increasing loss. A second upper/lower limit clipping unit uses an...  
WO/2015/059555A1
A control device for a vehicle is equipped with second determination means for determining that the vehicle is stopped when first determination means determines that a rotational speed of a three-phase alternating-current electric motor ...  
WO/2015/058969A1
The invention relates to a method for operating an electronically commutated synchronous machine, which comprises a stator having at least two, in particular three, phase windings and a rotor having at least one permanent magnet, wherein...  
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...  

Matches 301 - 350 out of 20,585