Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 251 - 300 out of 18,427

Document Document Title
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...  
WO/2012/079936A3
The invention relates to a method for operating an electric hand tool (10) driven by an electric motor, comprising an overload protection for protecting at least one component (12, 30) of the electric hand tool (10) against thermal overl...  
WO/2012/076212A3
The invention relates to a method for controlling an electric machine (14), especially for using in a drive train (12) of a motor vehicle, the electric machine (14) comprising three phase conductors by which means it is supplied with ele...  
WO/2012/076213A3
The invention relates to a method for operating an electric machine (12), especially for providing driving power for a drive train (10) of a motor vehicle, the electric machine (12) being controlled by means of a plurality of phase curre...  
WO/2012/077233A1
To be obtained in the present invention is a rotating electrical machine that can be made more compact. The rotating electrical machine is provided with: a stator (2) comprising an armature winding (9); a rotor (3) installed rotatably in...  
WO/2012/077767A1
Disclosed is a motor control circuit for variably controlling motor speed, capable of automatically setting an appropriate control gain depending on the set motor speed. The disclosed motor control circuit (10) is provided with: a period...  
WO/2012/072314A2
The invention relates to a method and a device for operating an externally excited electric machine (1), in particular synchronous machine. In this context, a variable which characterizes a rotor temeperature (Temp_Rotor) and/or a stator...  
WO/2012/072075A3
A power supply (1 ) for electronic equipment, such as measurement equipment and signal transmitters for industrial control systems, said power supply being adapted to be connected to a wide range of voltages of the supply network and com...  
WO/2012/072314A3
The invention relates to a method and a device for operating an externally excited electric machine (1), in particular synchronous machine. In this context, a variable which characterizes a rotor temeperature (Temp_Rotor) and/or a stator...  
WO/2012/070275A1
The present invention provides a drive control system that reliably prevents careless runaway from initial operation by promptly detecting an error in the forwarding of position detection data. A position detector is given the function o...  
WO/2012/069229A3
The invention relates to a method for driving an electric machine (14) in the motor runup mode by means of power electronics (18), in particular for use in a motor vehicle (10), wherein the power electronics (18) have a plurality of driv...  

Matches 251 - 300 out of 18,427