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WO/2008/133240A1 |
Provided is a fan control system which suppresses increase of start-up load, which is due to a fan previously started rotation and applied on fans other than the fan previously started rotation, at the time of starting a plurality of fan...
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WO/2008/130560A1 |
A mover (344) moving a stage (238) along a first axis and about a second axis includes a magnetic component (454), and a conductor component (456). The magnetic component (454) includes one or more magnets (454D) that are surrounded by a...
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WO/2008/127826A1 |
A control apparatus for multiplexing a single distributed control amplifier to control multiple axes of motion in a multi-axis machine. In one example, the control apparatus comprises a distributed control motor amplifier, a first motor ...
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WO/2008/126629A1 |
An electric vehicle includes a control unit (76) having overcurrent generation judgment means (84), inverter selection means (86), and inverter drive control means (88). The overcurrent generation judgment means (84) judges whether an ov...
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WO/2008/121051A1 |
The invention relates to a method in a milking system for creating a required vacuum level, the milking system comprising at least two variable speed vacuum pumps P1, P2. The method comprises the steps of: utilizing a first variable spee...
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WO/2008/117603A1 |
When a sensor value outputted from a rotational position sensor due to mechanical tolerance occurring in the structure of the rotational position sensor is including an error, an actual number of revolutions (curve k6) calculated from th...
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WO/2008/099842A1 |
Provided is a power supply system for supplying power to a first drive device and a second drive device which function as a drive source of a mobile body. A fuel cell is connected to an accumulation device via a power conversion device. ...
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WO/2008/095595A2 |
Disclosed are a method and a system for determining the position of a first part of an electric motor relative to a second part thereof. The magnetic field strength generated or at least influenced by magnets of the second motor part is ...
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WO/2008/086608A1 |
A wind turbine and method of operation thereof uses a plurality of generators and a controller to control the operation of the turbine based on various parameters. The generators are each smaller than the total power capacity of the turb...
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WO/2008/088265A1 |
The present invention relates to a device for a torque meter for determining of for example viscosity, shearing force or concentration of liquids or suspensions, and comprising two elastically connected concentric axles, one external hol...
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WO/2008/074736A1 |
The invention relates to a drive control unit (1) for at least one electric motor (5), the control unit determining a sequence of target values (x*) for the motor (5) based on an application program (12) and/or based on input by a user (...
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WO/2008/065792A1 |
In a hybrid automobile (20), when it travels in a two-motor travel mode in which both motors (MG1, MG2) are connected to a drive shaft (67) by a transmission (60), torque commands (Tm1*, Tm2*) for the motors (MG1, MG2) are set such that ...
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WO/2008/065067A1 |
The invention relates to an electric drive system for a unit of a vehicle, particularly a motor vehicle, comprising a vehicle wiring system, a controllable bridge arrangement, and an electric machine. The vehicle wiring system encompasse...
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WO/2008/062801A1 |
An automatic guided vehicle system includes an automatic guided vehicle, which has a battery mounted thereon and moves by a driving motor driven by the battery, and a recharging device for recharging the battery. The automatic guided veh...
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WO/2008/056771A1 |
An electric power steering device (EPS)(1) has a rack actuator (23) for applying assisting force to a rack shaft (5), a column actuator (24) for applying assisting force to a column shaft (8), and an ECU (25) for supplying driving electr...
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WO/2008/046473A1 |
The invention relates to an installation and method for operating said installation, comprising a drive device that can be connected to a supply voltage source, particularly an alternative voltage source, via electrical lines which are a...
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WO/2008/037701A1 |
The invention relates to a method for controlling an electric variable transmission, comprising the following steps: a first target value (Tit) and a second target value (Tot) are predefined for a first (Ti) and second torque (To); actua...
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WO/2008/038695A1 |
Provided is a method for controlling a plurality of AC linear motors of the same specification which are connected to one another and simultaneously operated so that a set of linear motors having a desired thrust appears to be operating ...
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WO/2008/025499A1 |
Method for the movement control of spindles, whose drives are connected for energy exchange purposes, in particular as a result of the connection of intermediate circuits of the converters surrounded in each case by the drives, wherein p...
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WO/2008/027378A2 |
A system (10) comprising at least one flywheel (46), a first motor (12), a dynamo (20), and a second motor (22). The first motor (12) may consuming electrical power and urging rotation of the flywheel (46). The dynamo (20) may use rotati...
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WO/2008/019976A1 |
A signal converter device (8) comprises a programmable logic circuit (23), wherein a number of binary input signals (E) are being transmitted from the outside of the signal converter unit (8). The programmable logic circuit (23) is progr...
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WO/2008/018157A1 |
A plurality of current sensors (41,42,51,52,61,62) are provided which are associated with a plurality of inverter circuits (40,50,60) that drive a plurality of motor generators (MG1,MG2,MGR), respectively. The zero adjustment of each cur...
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WO/2008/018183A1 |
A motor control system controls a plurality of motors (51x, 51y) for moving an object in different axis directions. The motor control system includes a plurality of target devices (4x, 4y) and a host device (2) for supplying a synchroniz...
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WO/2008/016086A1 |
A power branch system for driving multiple motors by a single servo driver, in which each motor is protected from an overload. The power branch system has a power line (15) branched off in the middle and interconnecting the single servo ...
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WO/2007/139045A1 |
A power output device including a motor with a permanent magnet and a motor without a permanent magnet. A voltage step-up device (10) is connected to an electricity storage device (B). A first drive device (30) is connected to the step-u...
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WO/2007/135846A1 |
An electronic apparatus in which heat generation from a plurality of motors and a control circuit for controlling these motors can be suppressed without stopping operation of the motors entirely. When copy operation is started, temperatu...
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WO/2007/091428A1 |
An ECU (60) activates a breaking permission signal (RG) and outputs it to an AND gate (50) when a breaking signal (DWN) is inactivated. That is, when no error is detected by an error detection device (40), the ECU (60) normally activates...
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WO/2007/089529A2 |
An axial flux electric motor comprising a rotor and a first and second stator. The first and second stators have a first and second air gap located between the first and second stators and the rotor, respectively, and the second air gap ...
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WO/2007/086235A1 |
A vehicle (100) includes a motor generator (MG) and an inverter (14) driving the motor generator (MG). A power source apparatus for the vehicle includes a battery (B) as an electric storage device, a step-up converter (12) stepping up a ...
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WO/2007/086263A1 |
When fail signals (FE1, FE2) from first and second inverters (10, 20) are rendered inactive, i.e., when all inverters (10, 20) are proper, an ECU (50) renders first and second shut down permit signals (RG1, RG2) active for output to firs...
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WO/2007/079503A1 |
The invention provides a motor drive. The motor drive includes at least two motors which input energies are synchronized, and a mechanical directly proportional link for linking the motors.
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WO2007037105A9 |
An AC command voltage obtained by compensating a reference value of a commercial AC voltage output from a multiplication unit (140) using an FB control unit (142) is multiplied by k (0 = k = 1) by a multiplication unit (144) and output t...
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WO2007043500A9 |
When a control device obtains from a car navigation device a planned travel distance from a current position of a vehicle up to a previously set electricity charging waypoint (S20), the device lowers, based on the obtained planned travel...
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WO/2007/052542A1 |
A motor drive device includes: a position detection signal processing circuit for processing a position detection signal of a plurality of motors; a pre-drive circuit for generating an electrical connection switching signal of the motors...
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WO/2007/026947A1 |
When a control device (60) determines, based on a signal (IG), that an ignition key is turned to an OFF position, the control device outputs, based on a SOC of a main battery (B), a command for operation of an annunciation device (102) t...
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WO/2007/026941A1 |
When an ignition key is turned on (YES in S10), a control device estimates the time of arrival at a chargeable waypoint (user’s home etc.)(S110). Then, when the control device determines that the estimated time of arrival is during the...
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WO/2007/018107A1 |
A vehicle power supply device includes a battery (B1) as a first accumulation device, a battery (B2) as a second accumulation device, a vehicle load, a selection switch (RY0) for selecting one of the first and the second accumulation dev...
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WO/2006/132478A1 |
The present invention relates, in general, to a screen drive apparatus and a motor control apparatus applied to the screen drive apparatus. More particularly, the present invention relates to a screen drive apparatus using an ultrasonic ...
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WO/2006/112033A1 |
There is provided a motor controller in which abnormal state of a motor cable during driving of an AC motor can be detected by a processing unit without using an extra circuit. The motor controller comprises an AC motor, an inverter for ...
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WO/2006/095048A1 |
A set of elevators, e.g. an elevator group, is connected to a common power supply. The elevators are controlled by a common control system so that an elevator car having stopped is prevented from being dispatched in the up direction if, ...
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WO/2006/095497A1 |
When an ECU (40) determines that the motor rotation speed (MRN2) of a motor generator (MG2) exceeds a predetermined limit value (YES in step S20), it controls torque of the motor generator (MG2) to zero (step S30). Further, when the ECU ...
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WO/2006/080046A1 |
A power failure section can be infallibly detected even in a loaded state and application of voltage to the overhead power line can be stopped in a short time when a power failure is detected. An electric car controller comprises an over...
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WO/2006/057435A1 |
A cooperation control device (50) of a power output device includes a cooperation control unit (114). The cooperation control unit (114) calculates an intermediate value between a maximum value and a minimum value among a voltage instruc...
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WO/2006/050271A2 |
A compressor (26) is powered by a motor (24) which is, in turn, powered by a variable speed drive (VSD) (20). The switching frequency and voltage/frequency relationship of the VSD (20) may be adjusted dynamically to maximize efficiency.
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WO/2006/032121A1 |
A method of controlling the speed of an electric motor, said method being a digital method designed to control the speed of an induction motor that is powered by a triac device to a preset speed, in which the speed of the motor is measur...
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WO/2006/034217A1 |
A battery-powered vehicle for transporting a mined payload or supplies over the roadways existing in or around an underground mine, includes variable voltage, variable frequency drivers that convert DC voltage from a battery into an AC v...
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WO/2006/028638A2 |
In one embodiment, a multi-engine locomotive includes at least one converter to convert mechanical energy outputted by the engines to Direct Current (DC) electrical energy, a traction motor, and a DC bus connected to the engines, convert...
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WO/2006/022276A1 |
A remote maintenance system (1) is provided with a translatory device (2), a motor driver (3) for controlling a motor of the translatory device (2), and a user terminal (4). The motor driver (3) is provided with a memory which stores par...
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WO/2006/020667A2 |
The present invention is directed to a power control architecture for a vehicle, particularly a locomotive, in which a number of energy sources (105, 111, 115) are connected to a common electrical bus (101, 102) and selectively provide e...
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WO/2006/020587A2 |
The present invention relates generally to regenerative braking methods for a hybrid vehicle such as a hybrid locomotive, which are compatible with optimum management of a large battery pack energy storage system. Four methods for recove...
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