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Matches 301 - 350 out of 18,731

Document Document Title
WO/2012/159878A3
The invention relates to a device for actuating an electronically commutated electric motor, said device comprising a control unit. The control unit can be used to emit first control signals to a first switchgear by means of which the el...  
WO/2012/160092A2
The invention relates to a method for operating a brushless electric motor, the windings of which are controlled by an inverter using six switches, wherein the inverter comprises three outputs, which are associated with the windings of t...  
WO/2012/160694A1
In order to provide a practical implementation means which reliably determines control system malfunctions with a motor control device, a motor control device is equipped with: a motor driving means that supplies motor current to a motor...  
WO/2012/160874A1
A motor control device equipped with: an operation determination unit (6) that determines whether the motor (1) is in the operating state or the stopped state on the basis of an operation command signal X* or an operation signal Xm; an a...  
WO/2012/160092A3
The invention relates to a method for operating a brushless electric motor, the windings of which are controlled by an inverter using six switches, wherein the inverter comprises three outputs, which are associated with the windings of t...  
WO/2012/159879A3
The invention relates to a method for operating a multi-phase electric machine (2), wherein control voltages (UA, UB, UC) to be applied to phase windings of the electric machine (2) are provided according to a predefined commutation meth...  
WO/2012/160090A3
The invention relates to a method for operating a brushless electric motor, the windings of which are controlled by an inverter using six switches, wherein the inverter comprises three outputs that are associated with the windings of the...  
WO/2012/158335A3
A system and method are provided for reducing the energy consumed by a pump jack electric motor by reducing the supply voltage to the motor when the motor would be generating energy in open loop mode. By substantially eliminating the ene...  
WO/2012/157382A1
In order to reduce discomfort due to task operations that include acceleration, the present invention is provided with: a mode switching unit that sets a task mode; a task mode/maximum turning output conversion table (TB11) that obtains ...  
WO/2012/152353A1
The present invention is concerned with a method, an apparatus and a computer program for monitoring the condition of electromechanical systems in which electrical rotating machinery is used and in which at least one electrical signal is...  
WO/2012/152463A3
The invention relates to a method (40) for monitoring a torque of an electric motor (10), in particular for application in a motor vehicle, wherein the electric motor (10) is supplied with electric current (IS1, IS2, IS3) in multiple pha...  
WO/2012/152681A1
The invention relates to an electromotive drive (1) for furniture, which comprises a power supply device (5), a manual control (7), and a control device (17), and which is to be simplified and improved with regard to its switching functi...  
WO/2012/150063A3
The invention relates to a method and device for monitoring an angular orientation of a rotor in an electric motor (1). An angle detection device (3) coupled to the rotor, such as in the form of a resolver, can be used for repeatedly det...  
WO/2012/146248A3
The present invention relates to a method for regulating a set of first noise harmonics from a permanent magnet machine operatively connected to a power supply unit, the method comprising the step of injecting a second set of harmonics i...  
WO/2012/146412A3
The invention relates to a control device (12) for actuating a pulse-controlled converter of an electric drive system, having: an open-loop/closed-loop control circuit (12a) which is configured to generate pulse-width-modulated actuation...  
WO/2012/147142A1
A motor driving apparatus detects the rotation position of a motor by inputting two detection signals from a rotation position sensor, and controls the voltage to be applied to the motor according to the detected rotation position. The m...  
WO/2012/140455A3
Present invention relates to a fault-tolerant control scheme for variable-speed variable-pitch wind turbines with an inverter-fed generator. Invention is focused on generator faults that can be well characterized with machine flux path a...  
WO/2012/142008A3
A system for controlling operation of a motor drive during fast start-up of an induction motor includes an AC motor drive having a PWM inverter and a control system to generate a command signal to cause the PWM inverter to control an out...  
WO/2012/135965A3
An actuator (1') for driving a regulating element (30) for controlling a fluid flow in a flow channel (29) includes an electric motor (4) for driving the regulating element (30) and a control unit (2) for controlling a current provided t...  
WO/2012/136212A3
A method for controlling an electric motor (2) is suggested, wherein at least one design limit of the electric motor (2) is complied with by controlling an increase and/or a decrease of the rotational speed of the electric motor (2).  
WO/2012/130503A3
A method for operating an electric machine (24) in short-circuit operation, in particular for use in a motor vehicle, characterized by the steps of: measuring at least a first and a second phase current of the electric machine (24), comp...  
WO/2012/129581A3
The invention relates to a pumped storage plant (1) comprising a pump-turbine (5), which can be switched between pump operation and turbine operation and which has several pump-turbine modules (8), which are connected to each other in th...  
WO/2012/132411A1
Provided is an electric compressor that reduces the time until the release of a power supply connection is detected and prevents electric shock due to the residual voltage of a capacitor. A capacitor (114) is provided between a power sup...  
WO/2012/131506A2
An electric motor arrangement comprising an electric motor and a controller, wherein the electric motor includes a stator having a plurality of coil windings, and a rotor having a plurality of permanent magnets, and the controller is arr...  
WO/2012/133066A1
An actuator monitoring system (1) is provided with: an electrical actuator (10) that is provided with an electrical motor (11); and a control device (20), which outputs to the electrical motor (11) a control command (CMD) that controls o...  
WO/2012/133799A1
Provided is a motor-ripple inhibiting apparatus that can estimate an error in a system identification model. The motor-ripple inhibiting apparatus is provided with: a Periodic Disturbance Observer (PDO) that estimates disturbance torque ...  
WO/2012/121200A1
A diagnostic device for a motor (6) in an electric vehicle that drives the wheels (2) thereof using the motor (6), the diagnostic device being provided with: a startup-time abnormality detection means (98) for, when the vehicle has been ...  
WO/2012/121007A1
Provided is a current control device, which does not require a motor revolution speed sensor, and which can perform failure detection with wide application range. On a same semiconductor chip, a semiconductor element (1) for current cont...  
WO/2012/121078A1
While an impeller (3) is rotating at a predetermined rotation speed (X0), the load current value (I) of a motor (4) rotating the impeller (3) is read; and when the load current value (I) is determined to be lower than a predetermined thr...  
WO/2012/118625A3
There is provided an electronic device that includes a heatsink and a set of IGBTs coupled to the heafsiiik and configured to deliver power to a field exciter and a battery. The electronic device also includes a temperature sensor dispos...  
WO/2012/114071A1
A protection circuit (44) is disclosed for protecting an electrical generator in case of failure of a power control device in the excitation circuit. The electrical generator comprises a main machine (10), an exciter (18) for providing e...  
WO/2012/114071A9
A protection circuit (44) is disclosed for protecting an electrical generator in case of failure of a power control device in the excitation circuit. The electrical generator comprises a main machine (10), an exciter (18) for providing e...  
WO/2012/114901A1
Provided is an electric automobile that can avoid vehicle traveling problems by means of early detection of short circuit abnormalities of a motor coil. In the electric automobile, a motor (6) that drives wheels (2) is a synchronous moto...  
WO/2012/114902A1
Provided is an electric automobile that, without suddenly obstructing the operation of the vehicle, manages the temperature of a motor and can swiftly take appropriate countermeasures. This electric automobile is provided with: a motor (...  
WO/2012/114903A1
Provided is an electric automobile that can rapidly take appropriate countermeasures when motor torque becomes uncontrollable. The electric automobile is provided with: a motor (6) that drives wheels (2); an ECU (21); and an inverter dev...  
WO/2012/112430A3
A centrifuge includes a regenerative braking safety system including an electrical system reversibly coupled to a power source. A motor is coupled to the electrical system. The motor is capable of driving a rotor using power delivered th...  
WO/2012/107948A1
An electric-powered system using a power storage apparatus is made to be an inexpensive and highly-reliable system, which does not require a management apparatus for managing charging/discharging. The electric-powered system (1) is provi...  
WO/2012/107474A3
The invention relates to an electric-motor furniture drive (1), comprising a power supply device (5) and a manual control (7) for moving movable furniture components relative to each other, the electric-motor furniture drive (1) having a...  
WO/2012/108246A1
Provided is a technology such that a state quantity related to a motor can be estimated with precision on the basis of another state quantity. The present specifications disclose a device for estimating a state quantity related to a moto...  
WO/2012/103995A3
The invention relates to a method and an apparatus for controlling a pulse-controlled inverter (2) which is used for controlling an electrical machine (1). In this case, a sensor unit (4) captures a variable which characterizes the speed...  
WO/2012/102282A1
An electric pump device according to one embodiment of the present invention comprises a state determination unit and a gain adjustment unit. The state determination unit determines whether or not the device is in a stable state, in whic...  
WO/2012/101613A3
A switch arrangement for an electric motor or generator having a plurality of coil windings that during operation of the electric motor or generator are electrically coupled to form a star point connection and that are arranged to have d...  
WO/2012/098394A3
An interconnection for connecting a switched mode inverter to a load, the interconnection comprising: a plurality of insulated conductors (311-313, 321-323); sleeving means (351) sleeving the insulated conductors together; and at least o...  
WO/2012/093545A1
Disclosed is a motor control device provided with: an acceleration/deceleration processing unit (5) which performs acceleration/deceleration processing according to acceleration/deceleration parameters in which an inputted operation comm...  
WO/2012/093711A1
An anomaly detector determines whether or not the absolute value of a detected first electric current value Ix_hp and/or the absolute values of second electric current values Ix_lp exceed a first threshold I1 that is set corresponding to...  
WO/2012/090343A1
An actuator driving apparatus is provided with: a digital filter (10) for conducting phase compensation of a torque command digital signal, using a fed back digital signal; a digital PWM generating unit (11) for generating a plurality of...  
WO/2012/090781A1
A motor control apparatus (1) comprising: a command generator (11) for generating an acceleration pattern that chronologically shows acceleration command values used when making a target object (34) move to an intended position using a m...  
WO/2012/086459A1
A motor drive control device for efficiently and stably controlling a motor is provided with: a speed processing unit for generating a second value by converting a first value corresponding to the current speed into a duty cycle; a torqu...  
WO/2012/086550A1
A motor control device controls operation of a control object that has a motor and an oscillatable element. The motor control device comprises: a generation unit that generates, in accordance with status information that relates to the o...  
WO/2012/086460A1
The embodiment of the present invention prevents a motor drive wheel from idling. Specifically, the motor drive control device of the present invention is provided with: a first calculating unit for calculating a first vehicle speed of a...  

Matches 301 - 350 out of 18,731