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Matches 251 - 300 out of 20,579

Document Document Title
WO/2015/128639A1
A motor bridge driver integrated circuit comprises a first set of input ports arranged to receive control signals from a first microprocessor,a second set of input ports arranged to receive control signals from a second microprocessor,an...  
WO/2015/125214A1
A motor control circuit controls motor operation according to an input voltage and a control parameter. A voltage abnormality detection unit detects an abnormality of the input voltage by comparing the input voltage with an allowable vol...  
WO/2015/124855A1
The invention relates to a method for detecting a short circuit between the phases of a polyphase synchronous machine (1) comprising a stator (2) and a rotor (3), said machine being fitted with at least one angular position sensor (la) o...  
WO/2015/124876A1
The invention relates to a method for measuring ageing of permanent magnets (4) of a synchronous machine (1) comprising a stator (2) and a rotor (3), said machine (1) being fitted with at least one angular position sensor (la) of the rot...  
WO/2015/125909A1
The purpose of the present invention is to further improve the accuracy of machinery position control. A machinery (12) control device (14) is equipped with: a speed control unit (32) for calculating a torque command for the machinery (1...  
WO/2015/125235A1
This motor rotation angle detection apparatus is provided with: a plurality of motor rotation angle detectors (6, 7) that detect a rotation angle of a motor (1); and a normal angle determining apparatus (8), which has motor rotation angl...  
WO/2015/118678A1
Iron loss is one type of damage to a motor; when iron loss suddenly becomes large in the high-speed range of a motor, the motor cannot be protected by an electronic thermal relay for overload detection which operates at a fixed product o...  
WO/2015/116447A8
A multi-pulse transformer with multiple taps provides a constant magnitude voltage output to a variable speed chiller's compressor motor over a range of input voltages. The 3-phase transformer includes primary windings and a plurality of...  
WO/2015/116447A1
A multi-pulse transformer with multiple taps provides a constant magnitude voltage output to a variable speed chiller's compressor motor over a range of input voltages. The 3-phase transformer includes primary windings and a plurality of...  
WO/2015/110107A2  
WO/2015/112686A1
A method according to an exemplary aspect of this disclosure includes, among other things, electrically diagnosing a failure of a brushless DC motor of a surgical device.  
WO/2015/110130A1
The invention relates to a method for operating a high voltage network (3) of a motor vehicle (1), said high voltage network having a higher voltage than a low voltage network (2), wherein a high voltage network unit (14) of a control de...  
WO/2015/107685A1
A power conversion device that performs variable-speed control of a permanent magnet synchronous electric motor and that is equipped with: a converter; a DC intermediate circuit having a smoothing capacitor; an inverter, which is equippe...  
WO/2015/105510A1
A conveyance system includes a car; a machine for imparting motion to the car, the machine including a stator and a rotor, the stator including 12*k stator teeth, the rotor including 11*k rotor poles, wherein k is a natural even number, ...  
WO/2015/097733A1
When acquiring an induced-voltage coefficient for a motor with unknown motor constants, there is the problem that if not enough information regarding said motor is available and it is difficult to estimate approximations for said induced...  
WO/2015/097986A1
Provided is power equipment designed to obtain a power-saving effect associated with the operation of an electric motor by producing a harmonic suppression function on the side of a power trunk line for supplying power to the electric mo...  
WO/2015/096907A1
It is proposed a multi-phase electric drive and it method. The multi-phase electric drive includes a multi-phase power transformer, including at least one primary winding and a first number of secondary windings, said primary winding bei...  
WO/2015/090755A1
The invention results in improved switching from the idling mode to an active short circuit mode of an electric machine. According to the invention, the switch from the idling mode to the active electric short circuit mode is delayed unt...  
WO/2015/094949A1
The subject matter of this specification can be embodied in, among other things, a current control assembly that includes an electrical current flow path having a maximum current flow rate, a first current limiter in the electrical curre...  
WO/2015/090756A1
The present invention provides a device and a method for changing over an electric machine from the regular operating mode into the open-circuit mode. In order to avoid excessive increases in voltage and associated adverse effects on the...  
WO/2015/090754A1
The present invention provides a method and a device for operating an electric machine for a soft changeover from a normal or free-wheel mode to an active short-circuit. To this end, a voltage with which the electric machine is actuated ...  
WO/2015/090735A1
The invention is based on a circuit arrangement having a voltage converter (10) with an input path (42), an output path (52) and a plurality of phases (15), wherein each phase (15) has at least one half-bridge (20) and at least one fuse ...  
WO/2015/093175A1
An electric motor control device comprises: a voltage command generation unit for calculating a voltage phase command value; a torque reference response generation unit for calculating a torque reference response; a torque calculator for...  
WO/2015/090306A1
The invention relates to a method for determining a rotor temperature of an electric motor in a hybrid drive of a motor vehicle, wherein preferably a permanent-magnet-excited synchronous machine is used as the electric motor, wherein the...  
WO/2015/087403A1
A motor control system in one mode of an embodiment comprises a device being controlled, said device having a motor and a communication unit, and a motor control device that controls said motor on the basis of a carrier signal, the value...  
WO/2015/087554A1
Provided are: an electronic control unit capable of inhibiting power loss from two output terminals of first and second power modules to current convergence points; an electric power steering device; and a vehicle. The electronic control...  
WO/2015/087553A1
An electronic control unit (50) is provided with a housing (90) having housed therein power modules (60A, 60B), an input/output board (70), and a control board (80). The housing (90) has: a mounting section (90y) and a ceiling section (9...  
WO/2015/087577A1
This motor control system comprises a device being controlled, said device having a motor and a communication unit, and a motor control device that controls said motor on the basis of a carrier signal, the value of which varies cyclicall...  
WO/2015/087540A1
A motor-driving apparatus that drives a motor while controlling said motor on the basis of an external command signal from an external device. Said motor-driving apparatus has an external-command processing unit, a program storage unit, ...  
WO/2015/087555A1
This electronic control unit (50) is provided with: power modules (60A, 60B); an input/output substrate (70) having, mounted thereto, an input connector (71) and an output connector (72); and a control substrate (80). The input/output su...  
WO/2015/082459A1
The invention relates to an electric motor (1), in particular a fan motor, comprising a device (5) for generating a sequence (3) of signals that comprises a plurality of especially blocks (22) of signals. The blocks (22) of signals compr...  
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...  

Matches 251 - 300 out of 20,579