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WO/2005/112522A2 |
Methods and apparatus are provided tor an amplifier for use with a nonlinear load In some embodiment, a method is provided for driving a flash lamp The method comprises providing an amplifier (40, 50, 60 70 in Fig. 2) having a resonant r...
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WO/2005/110801A1 |
An electric vehicle controller in which a maximum frequency and a minimum frequency are extracted from frequencies corresponding to respective axle speeds, a first frequency difference is obtained by subtracting the minimum frequency fro...
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WO/2005/111754A1 |
A mobile position control device (60) comprising a coordinates conversion block (70), a translating direction control system (80) for feedback-controlling a Y1 linear motor (20A), a yawing direction control system (90) for feedback-contr...
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WO/2005/110802A1 |
An electric vehicle control device which functions as follows. A maximum frequency and a minimum frequency are extracted from frequencies corresponding to respective axle speeds. A first frequency deviation is obtained by subtracting the...
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WO/2005/107055A1 |
The invention relates to a method of controlling two or more commutator DC motors (M) with permanent magnets in driving mechanisms for setting a position of furniture parts such as tables, beds, chairs etc., where particular driving mech...
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WO/2005/107023A1 |
The invention relates to a device for connecting an electric drive to at least one supply network as well as several methods for producing such a connecting device. Said device comprises a first contact/terminal unit to which at least on...
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WO/2005/103351A1 |
A plurality of synchronous motors (M2, M3..) are supplied, in a parallel and synchronous manner, with energy by a machine frequency converter (10), in particular for spinning machines. An additional frequency converter (10) is required i...
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WO/2005/099415A2 |
A rotary wing vehicle includes a body structure having an elongated tubular backbone or core, and a counter-rotating coaxial rotor system having rotors with each rotor having a separate motor to drive the rotors about a common rotor axis...
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WO/2005/096490A1 |
Oscillation and other disturbance damping is provided for a system having a load driven by an electric motor. Damping is achieved using feedback in an active mode, where power is supplied in a normal operation mode of the electromagnetic...
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WO/2005/090114A1 |
The invention relates to a system (1) for driving the drive wheels (2) of an electrically-driven motor vehicle. The inventive drive system comprises: a first electric engine (3) which is powered by a first rechargeable battery (4), said ...
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WO/2005/089257A2 |
A combined heat and AC power generating system is disclosed having black start capability for the full time, simultaneous production of both electricity and heat. Heat generated within the system is captured and used for heating applicat...
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WO/2005/086910A2 |
The present invention is directed to a locomotive that includes: (a) a transmission (105) operable to drive a plurality of axles; (b) an electric motor (104) operatively connected to and driving the transmission; (c) an energy storage un...
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WO/2005/086339A1 |
A method of producing a library of vibration types for driving a plurality of vibration motors arranged in an object is provided. The method comprises the steps of (a) arranging said motors in the object; (b) specifying vibration pattern...
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WO/2005/081387A1 |
A control device (30) calculates an upper limit value of a duty ratio (DR_Ulim) according to a voltage (Vm) from a voltage sensor (13) and a threshold voltage (OVb) when an overvoltage is determined to have been applied to a battery (B),...
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WO/2005/074120A1 |
The invention relates to a method for reduction of the rotation speed of a drivetrain in a wind energy plant, comprising at least two asynchronous machines, from a first rotation speed to a second rotation speed, whereby a first asynchro...
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WO/2005/069471A1 |
A motive power outputting apparatus includes motor generators (MG1, MG2), inverters (30, 40), and a transformer (50). The motor generator (MG1) includes a three-phase coil (11), and the motor generator (MG2) includes a three-phase coil (...
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WO/2005/055411A1 |
There is provided a control device for a motor-driven power steering device for applying a steering auxiliary force by an n-phase motor to a vehicle steering system. The control device includes at least (n - 1) current detection means fo...
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WO/2005/019946A2 |
System for control of brush DC motors, with reversible operation, based on the determination of the angular or linear, absolute or relative position of the mobile device (2) moved by the motor (1) through direct and continous reading of ...
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WO/2005/015729A1 |
The invention relates to a device and method for operating at least two electric motors (10, 12), which are subjected to the action of pulse-width modulated signals (18, 20) by means of a common control circuit (30) via a respective outp...
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WO/2005/006536A1 |
A circuit for parallel driving synchronized motors, wherein an activating/driving circuit is efficiently utilized and wherein a plurality of synchronized motors can be parallel driven in synchronism regardless of differences in number of...
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WO/2005/001591A1 |
Reactive power (VAR) consumption in a power plant or facility having synchronous machines is adaptively controlled in an automated manner. Electrical parameters of the plant are dynamically monitored during plant operation, and the overa...
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WO/2005/002038A1 |
A motor drive system comprising mechanical power generators (1-5) outputting a mechanical power by burning liquid or gas fuel, a plurality of generators (6-10) being driven through the mechanical power generators to generate an AC voltag...
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WO/2004/097538A1 |
Disclosed are a method and a device for controlling a production unit in a production facility, controlling referring to controlling and monitoring the rotational speeds or angles of rotation of individual drive units (20-22) such that t...
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WO/2004/095683A1 |
There is provided a twin synchronization method capable of realizing a high-speed and highly accurate operation for a machine having a gantry-shaped structure. The twin synchronization control method synchronizes operation of two motors ...
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WO/2004/093287A1 |
A variable speed drive control system operates a variable speed drive to power a first load from a power source simultaneously powering a second load. An AC reactive power is monitored which may comprise or consist of an AC reactive powe...
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WO/2004/088833A1 |
A system for driving synchronous motors (10) with built-in permanent magnets connected in parallel and operated by one inverter (9), characterized in that each synchronous motor (10) comprises a winding changing device (14) composed of a...
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WO/2004/082126A1 |
A novel system for adaptively controlling an electric vehicle to maintain desired speed under variable driving conditions. The system includes a control circuit for producing a control signal to control an electric motor of the vehicle. ...
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WO/2004/082121A1 |
The invention relates to a method for controlling a first fan motor with a first pulse-width modulation signal having a first pulse duty factor and for controlling a second fan motor with a second pulse-width modulation signal having a s...
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WO/2004/055386A1 |
A driving unit for working machines such as hydraulic shovels comprises a power generator (32) driven by an engine (31), and an electricity storage means (33) for storing the power generated by the power generator (32). An power motor (4...
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WO/2004/055960A1 |
A rotating electrical machine, such as an aircraft starter-generator, includes an exciter that has its stator windings divided into a number of sections. A plurality of switches are electrically coupled to the exciter stator winding sect...
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WO/2004/045059A2 |
A permanent magnet motor includes salient pole stator cores. The poles and/or linking portions therebetween are wound with a plurality of winding coil sets. Mutually exclusive speed ranges are established between startup and a maximum sp...
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WO/2004/024396A1 |
A combustion power framing tool (10) the invention has a nosepiece (26) for driving fasteners (20), a housing (14) and a combustion chamber (16) that produces primary power held within the housing (14). A fastener supply (36), such as a ...
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WO/2004/014767A2 |
Method and device for detecting the occurrence of a malfunction upon movement of an element (7) by means of a driving system. While the element is being moved, a difference (curve A) between a predetermined, desired value and an actual v...
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WO/2004/004112A1 |
The invention relates to a method for controlling an oscillating electric motor of a small electrical appliance, according to which electricity is at least temporarily fed to a coil (5) in order to create a magnetic field that originates...
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WO/2004/001952A1 |
Individual current control units are provided to respective motor winding systems of a multi-winding motor that constitutes a hoisting machine (6) for lifting/lowering a cage (8) to give the same torque instruction, and Ѳa and Ѳb obtai...
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WO/2003/097410A1 |
A controller of the side mirror of an automobile arranged such that a noise pulse signal is generated after ending generation of a pulse signal through inertial rotation of one motor by providing a specified time difference in the upward...
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WO/2003/087634A1 |
The invention relates to a method for determining the moving direction of a motor, especially an electric motor of a transmission actuating system for gear selection and/or shifting, whereby at least one signal of the motor is detected. ...
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WO/2003/085818A1 |
The invention relates to a converter system and a method, said system comprising at least one supply module VM providing a unipolar intermediate voltage, at least one drive module AM which can be fed by the intermediate voltage and respe...
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WO/2003/083611A2 |
An electronic control system (100), such as a field oriented control system, is provided, including a device to be controlled (165); an application control arrangement (155) including a plurality of functional blocks configured to perfor...
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WO/2003/084032A1 |
In an electrical rotating machine, two rotors (7, 8) are provided, each rotor (7, 8) has a plurality of permanent magnets (31, 32) along its peripheral direction thereof, arranged coaxially with the other rotor, and is driven by means of...
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WO/2003/079533A1 |
A control constant adjusting apparatus for use in a control device of a robot, a machining apparatus, and the like. The control constant adjusting apparatus includes a speed control unit (12), an estimation unit (13), an identification u...
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WO/2003/077412A1 |
A N pulse variable frequency drive for driving two or more motors that is the combination of two or more variable frequency drives with each drive driving an associated one of the two motors. One application is a decanter centrifuge whic...
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WO/2003/072388A1 |
A control system for individually controlling power from a single voltage source to a plurality of motors is described. A chopper circuit, in conjunction with the control system, generates drive−pulses, which operates the IGBT switchin...
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WO/2003/071671A1 |
The invention relates to a drive system with at least one main motor (HMO) and at least one actuator motor (SM1, SM2). Said drive system comprises a d.c. intermediate circuit (ZWK), in which the main motor, during deceleration in the gen...
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WO/2003/065565A1 |
A rotational speed control system, comprising a plurality of motor drivers for driving a plurality of motors at a same rotational speed without relying upon the quantity of the motor drivers and the characteristics of the motor drivers, ...
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WO/2003/056694A1 |
An electrical load apparatus (100) comprises a DC power source (B), voltage sensors (10, 20), system relays (SR1, SR2), capacitors (11, 13), DC&sol DC converter (12), an inverter (14), a current sensor (24), rotation sensor (25), control...
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WO/2003/056695A1 |
A cord tension control apparatus includes a brushless motor (M) generating counter electromotive force, a rectifier circuit (2) connected to a winding of the brushless motor (M), and a constant current circuit (3) connected to the rectif...
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WO/2003/045160A1 |
A process for preparing a chewing gum tablet includes cooling a chewing gum composition to a temperature at which the gum composition is brittle, and grinding the cooled, brittle gum composition to form a chewing gum powder. The gum comp...
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WO/2003/047083A2 |
The invention relates to a control device for operating a load circuit comprising at least one electric motor. The control device has a control stage, which generates a pulse-width modulated control signal, and has a power stage, which s...
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WO/2003/045724A2 |
In an electrically driven automobile, a dynamo-electric generating device(s), (12) is attached to one or more free-running wheels (8, 9) of the vehicle, which are not connected to the power drive of the vehicle. The free-running wheels (...
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