Electricity: motive power systems inventions 12/05

20050285550 - Planar motor initialization method, planar motro, lithographic apparatus and device manufacturing method: A planar motor is controlled by supplying a three-phase alternating current to a coil assembly. Each phase is supplied to one of three coils. The coils are positioned in a magnetic field generated by a magnet plate having alternating magnet poles at its surface for generating an alternating magnetic field....

20050285552 - Radio-linked, bi-directional control system for model electric trains: A wireless system uses a direct UHF radio frequency (RF) signal to control electric trains and train accessories. A controller, such as a handheld unit used by the toy train operator, accepts control commands and transmits encoded control data over a high frequency radio link directly to a receiver, on...

20050285551 - System and method for power seat motor control: A method for controlling a vehicle power seat motor including the steps of generating at least one control signal using a controller, and adjusting the speed of the motor in response to the at least one control signal such that speed of the motor is maintained to a predetermined curve....

20050285553 - System and method for adapting to barrier nuisances and obstructions: A barrier movement operator moves a barrier between open and closed positions. The operator receives a first request to move the barrier. The actual force required to move the barrier is measured. An obstruction to barrier movement is determined by comparing the measured actual force to a first predetermined force...

20050285554 - Energy storage system and method for hybrid propulsion: A hybrid propulsion system. The system comprises one or more hybrid propulsion traction drives having an electric motor operable to produce mechanical power for propulsion. A hybrid propulsion traction drive is operable to receive power from an on-board power generation system. The electric motor is operable to receive power from...

20050285555 - Electrically operated drive controller, electrically operated drive control method and its program: An electrically operated drive controller includes first and second electric current command value calculation means which calculate first and second electric current command values based on a target value of torque of an electrically operated machine. The controller also includes a voltage command value calculation processing means which calculates a...

20050285556 - Electrically operated drive controller, electrically operated drive control method and its program: An electrically operated drive controller includes first and second electric current command value calculation processing means, for calculating first and second electric current command values from a target value of torque of an electrically operated machine; voltage command value calculation processing means, for calculating a voltage command value from the...

20050285557 - Rain detection system and method for controlling the same: A rain detection system generates an operation signal for operating a wiper system on a window based on a detected window condition. The rain detection system includes a detection means for intermittently detecting an amount of liquid on the window, a calculation means for calculating an increase rate of the...

20050285558 - Adaptive command filtering for servomechanism control systems: Preferred embodiments of the invention implement techniques for modifying the command trajectory, the architecture of a servomechanism control system, or both, to reduce the servo error during and/or after the command trajectory. An iterative refinement procedure generates for use by the servomechanism control system a corrective input, du, which significantly...

20050280378 - Image-forming device: A motor drive device for driving of a plurality of motors in a proper manner, having a first motor, a second motor, and a current controller. The first motor is able to drive at up to a first maximum permissible current of A1. The second motor is able to drive...

20050280379 - Disc drive apparatus and motor driver circuit: A motor driver circuit according to the present invention comprises an edge signal generation means for generating an edge signal indicating the timing of phase-switching according to the values of a plurality voltages induced when driving the motor and a drive voltage control means for controlling the highest value of...

20050280380 - Multivibrator circuit for pulse width modulation: A multivibrator circuit has one series circuit including a first resistance and a first capacitor and determining a first switching time, and another series circuit including a second resistance and a second capacitor and determining a second switching time, a potentiometer having an arm that establishes a first resistance subregion...

20050280381 - Single track brush-based position encoder for rotating shaft: A position sensor generates a signal representative of the angular position and, if desired, angular velocity of a rotating object using only a single circular track and plural brushes that ride on the track when the object rotates. The single circular track can have plural segments, and the sensor can...

20050280382 - Apparatus for controlling electric motors and related control method: An electric motor controller controls the currents flowing through the phase windings of an electric motor. The electric motor controller includes driving stages for driving respective phase windings of the motor and a memory for storing samples of reference signals. The driving stages force currents corresponding to the reference signals...

20050280384 - Air delivery system and method: A system and method of controlling airflow within an air delivery system. The method begins by identifying and measuring a particular air conditioning system's blower characteristics. A mathematical relationship for finding a particular CFM based on torque and speed is developed utilizing several discrete airflows within regions or bins within...

20050280383 - Electrically operated power steering controller and adjusting method of driving electric current offset in this controller: The invention proposes an electrically operated power steering controller for inputting a driving electric current offset value of higher accuracy and being able to make an offset correction of a driving electric current by using this driving electric current offset value of higher accuracy, and an adjusting method of this...

20050280385 - Automatic output power limiting electrical device: The present invention provides electrical devices that derive power from an incoming power source to produce output power to drive the device. The device includes circuitry or other means for determining at least one characteristic of the incoming power source, and for adjusting the output power used to drive the...

20050280386 - Apparatus and method for starting an electric motor: An apparatus and method of starting an electric motor (having a rotor that rotates in a given direction during steady state operation from the at rest position) generates a preliminary signal that causes the rotor to rotate in an opposite direction to that of the given direction. The method and...

20050280387 - Drive apparatus for opening/closing body for vehicle: A drive apparatus for an opening/closing body for a vehicle includes a drive unit including a rotational drive apparatus, a reduction gear mechanism linked with a rotational shaft of the rotational drive apparatus, and an output member linked with the rotational shaft through the reduction gear mechanism and linked with...

20050280388 - Circuit for energy conservation: Thus, the invention relates to a method and apparatus for obtaining a desired output power, Po, from an electrical load by supplying sufficient pulse time modulation energy, Pin, to the device to replace only losses, Pl, and to maintain only the residual power, Pr, thus maintaining the desired Power output,...

20050280389 - Motor-driven power steering apparatus: In a rack and pinion type motor-driven power steering apparatus, the motor-driven power steering apparatus is provided with a rack position detecting means for detecting a position of the rack, a rack speed arithmetically operating means for calculating a moving speed (s) of the rack, a memory means for storing...

20050280390 - Electromagnetic alignment and scanning apparatus: An exposure apparatus that irradiates an energy beam to a substrate includes a projection optical system that projects the energy beam to the substrate, and a support device having a flexible structure to support the projection optical system. According to one embodiment, the flexible structure includes three flexible rods that...

20050280391 - System for supplying operating voltage to cpu: A system for supplying an operating voltage to a CPU (50) includes a power supply (10) for supplying power to a computer, a PWM controller (30), a feedback circuit (70), and a plurality of electronic elements. The PWM controller converts voltage supplied to the computer to an operating voltage of...

20050275358 - Protective circuit for reducing electrical disturbances during operation of a dc motor: A protective circuit, for reducing electrical disturbances or interference during operation of a DC motor, features a series transistor (62) arranged in a supply lead from a DC voltage source (12) to a DC motor; an auxiliary voltage source (52), associated with that series transistor, having a substantially constant auxiliary...

20050275359 - Relative drive device: A small, lightweight relative drive device is provided, which is capable of producing large torque. The relative drive device of a two-phase magnetic excitation type according to an aspect of the invention comprises first and second coil groups and a magnet group. The magnet group includes magnets disposed with alternating...

20050275360 - Motor with mechanism for storing mechanical energy for portable applications: A mechanical motor for collecting, storing, and using mechanical energy instead of electrical energy and for imparting kinetic energy (e.g., rotational movement) to move components of devices that need energy. The mechanical motor includes a drive shaft that is coupled to the component. A drive mechanism is coupled to the...

20050275361 - Hall sensor alignment for bldc motor: A technique for determining an alignment error of a Hall sensor location in a brushless DC motor drive, by measuring the back EMF waveform, preferably while the motor is coasting. According to the technique, an angular offset is calculated between a selected BEMF waveform and a selected Hall signal. Such...

20050275362 - Motor driving device, motor driving method, and electronic device: A motor driving device that is low in cost and capable to control the phase of a motor with high efficiency and with accuracy. A motor driving device includes a motor driving part, a rotor position detector, a current phase detector, a voltage signal generator, and a driving signal generator....

20050275363 - Control device of opening and closing member: A control device of opening and closing member includes a driving means for driving, by means of a duty ratio control, an opening and closing member, a speed detecting means, and a controlling means for driving the opening and closing member based on a position of the opening and closing...

20050275364 - Automatic gate operator: A barrier movement operator is having a position sensor in a telescoping barrier control arm is described. A controller, remote from the arm, senses the barrier position to identify limits of barrier travel and to control rate of travel of the barrier between limits. The operator includes both optical and...

20050275365 - Acoustic noise reduction using fan speed control: A method and apparatus is disclosed for acoustic noise reduction using fan speed control. The acoustic noise reduction using fan speed control includes a plurality of temperature detectors disposed at a plurality of locations within an electronics equipment enclosure, each detector having an associated setpoint temperature. An error value is...

20050275366 - Devices and methods for updating the programming of a system for controlling an electric rotary machine: A device may be configured for updating the programming of a control system of an electric rotary machine, the device having no screen. The device may include an electrical or optical connector element for connection to the control system, enabling data to be transferred between the device and the control...

20050275367 - Robot and robot leg mechanism: A robot with a body, at least one leg on each side of the body, and a hip connecting the leg to the body. The hip is configured to abduct and adduct the leg. A linkage is configured to rotate the leg along a predetermined path....

20050275368 - Filter network: Filter network for the reduction of the voltage switching speed between an electrical motor drive and an electrical motor and/or between an electrical distribution network and a motor drive, comprising for each electrical phase a self-damped inductor having a complex impedance determined by a magnitude (Z) and a phase (φ),...

20050269980 - Motor driver circuit, control method thereof, and electronic apparatus: A motor driver circuit comprising a diving circuit for driving at least one motor, a plurality of DC/DC converters, and a stopping circuit for stopping the DC/DC converter if failure is detected in an output of the DC/DC converter, wherein a first signal is outputted when a specific DC/DC converter...

20050269979 - Variable speed motor: An outer-rotor variable-speed motor, to which single-phase AC power is applied and on which a rotor is provided outside a stator, comprises first and second main windings provided on a stator of the motor to form a plurality of poles, a frequency detector for detecting the frequency of AC power...

20050269981 - Control apparatus of electric vehicle: A control apparatus of an electric vehicle in which relays are switched to a disconnecting state without causing failure of the electric vehicle. Main relays Ry1, Ry2 switchable between a connecting state and a disconnecting state are provided between a drive motor 11 for driving driven wheels and a motor...

20050269982 - Motor drive control: A drive system for a three phase brushless motor uses an algorithm for position sensing which measures the inductance in the motor phases and determines the position from the measured inductances. In order to reduce acoustic noise, the inductances are measured during test periods Tsd, which are conducting states added...

20050269983 - Control apparatus for controlling traction motor equipped in vehicle: A motor control apparatus calculates a current command value based on a torque command value and a rotational speed of the traction motor, and calculates a voltage command value based on a difference between a detected current of a traction motor and the current command value so as to reduce...

20050269984 - Method, system and apparatus for opening doors: An improved garage door opener is disclosed. The garage opener has a motor drive unit for opening and closing a garage door. The motor drive unit has a microcontroller. Connected to the motor drive unit is a wall console that is located inside the garage. The wall console also has...

20050269985 - Driving a single-phase motor: A single-phase motor driving circuit includes a controller for outputting a control signal to drive a single-phase motor in a period in which a saw-tooth voltage of a predetermined cycle is larger than a duty setting voltage based on a result of comparing a detected temperature voltage changed based on...

20050264245 - Method for monitoring and controlling traction motors in locomotives: The present invention is directed to a locomotive comprising energy storage units, such as batteries, a prime energy source, such as a diesel engine, and an energy conversion device, such as a generator. The locomotive comprises one or more of the following features: a separate chopper circuit for each traction...

20050264246 - Circuit arrangement for supplying a control electronics system in electric machines: A circuit configuration for supplying the control electronics in an electrical machine 10 is specified, which includes a passive transformer circuit 20, which is powered by a phase current IP of the electrical machine 10 and which generates an auxiliary voltage VA that is used for supplying the output stage...

20050264247 - Stabilizer apparatus for vehicle: In a stabilizer apparatus for a vehicle, an electronic control unit calculates a target current of an electric motor from vehicle speed, steering angle, and lateral acceleration, and increases and decreases actual current such that the calculated target current flows through the motor. The control unit decreases the actual current...

20050264248 - Power steering control device for monitoring reference voltage: A power steering control device includes a torque sensor that detects a steering torque and outputs a torque signal having a torque neutral voltage is determined based on a predetermined reference voltage, a reference-voltage generator unit that generates the reference voltage, an A/D converter unit that A/D converts the torque...

20050264249 - Method of balancing the rotation of a motor: A method of balancing the rotation of a motor is provided. Whether or not the motor is in a balanced rotation is determined by detecting whether the variation of a power-factor angle is less than or equal to a preset balance angle according to the principle that the load on...

20050264250 - Driving circuit for a two-phase dc brushless fan motor: The present invention is a driving circuit for a two-phase DC brushless fan motor comprises a control unit, a Hall element, a motor and a motor protection circuit, an MOS element, a reverse protection circuit and a temperature control circuit. By sensing the running temperature of the motor by the...

20050264251 - Method and device for operating a machine, such as a multiaxial industrial robot: In order to improve the safety of a machine, particularly a robot, such as a multiaxial or multiaxle industrial robot during the operation thereof, particularly in the presence of human beings, the invention provides a method for operating the machine, which is characterized in that at least one path section...

20050264252 - Servo control system and its control method: After a controller #1 has started giving an interpolating instruction, the length on an interpolation line is calculated by a first calculation means in synchronism with a clock signal from a clock synchronous circuit 45, and after having executed a first step for generating a synthetic locus-use frame 100 based...

20050264253 - Linear power module: The present invention includes a reliable, configurable, compact, and low-cost linear electric motor controller for a vehicular heating ventilating and air conditioning (HVAC) system and methods of control. The controller features multiple input interfaces, specifically an interface for pulse width modulation control; an interface for discrete, stepwise control; and an...

20050264254 - Switched reluctance motor control with partially disabled operation capability: Certain circuit faults in a phase of a multi-pole, switched reluctance, rotary electrical machine are detected; and the machine is selectively operated with a detected circuit fault when the nature of the fault permits continued operation of the phase and the operation of the phase is desirable. The fault may...

20050264255 - Electric motor car controller: An electric motor car controller includes a voltage detector for detecting the voltage across a filter capacitor, an energy amount calculator for calculating the amount of energy of the filter capacitor from the output of the voltage detector, a frequency band component detector for extracting a given frequency band component...