Electricity: motive power systems inventions 01/07

20070018595 - Command-transmitting device for controlling a motorized blind with orientable slats: The command-transmitting device comprises control buttons (11, 12) and a movable control element (2b) movable in two directions along a theoretical axis of operation (D1), these control buttons and this movable control element being arranged on a first face (24) of the transmitting device, in which device the buttons (11,... Agent: Frommer Lawrence & Haug

20070018596 - Drive, and use of a drive: A drive, provided with an electric motor comprising a rotor (14), a stator (13) and a rotor shaft (24) coupled to the rotor, the rotor shaft (24) being coupled via a reduction (V) to a rotatable drive means (1), while the drive is provided with at least one measuring device... Agent: Jacobson Holman PLLC

20070018597 - System for damping of phase shifts and for attenuation of harmonics between at least one energy source and at least one brushless electric motor: In a system for damping of phase shifts and for attenuation of harmonics between at least one energy source and at least one brushless electric motor in aircraft, the object is to connect an active circuit for attenuation of harmonics of the current and of the high-frequency waves of the... Agent: Bachman & Lapointe, P.C.

20070018598 - Method of operating a three phase sensorless brushless motor: A method of operating a three phase sensorless brushless motor including a stator including three phase windings and a rotor carrying at least one permanent magnet, the method including switching power to the phase windings of the stator in synchronisation with the rotor position, by applying voltage strokes to the... Agent: Dykema Gossett PLLC

20070018599 - Motor driving device and motor driving method: A rotor position sensorless multiphase motor driving device includes a rotor; a plurality of phase windings; a common terminal to which one terminal of terminals at both ends of each winding is star connected; an upper-side drive transistor and a lower-side drive transistor connected to the other terminal of the... Agent: Ratnerprestia

20070018600 - Electrical control safety system comprising photocells or equivalent sensors: Electrical control safety system comprising two photocells or equivalent sensors applied on a sliding gate CA, the two photocell systems FC1, FC2 being composed respectively of at least two transmitters FC1-T,FC2-T and two receivers FC1-R,FC2-R, and the control safety system being cyclically able to make to operate during a first... Agent: Wenderoth, Lind & Ponack, L.L.P.

20070018601 - Method to automatically detect and predict performance shortages of databases: A Method for self controlled early detection and prediction of a performance shortage of an application is described comprises the steps of monitoring at least one performance parameter of the application, storing performance data including a time dependency of said performance parameter, using said performance data to compute a mathematic... Agent: Hovey Williams LLP

20070018602 - Device for demarcating an area: A device for demarcating an area, in particular for limiting the freedom of movement of animals walking about freely, is provided with a demarcating element (2) that is connected with a first vehicle (1) and with at least a second vehicle (10). At least the first vehicle (1) is provided... Agent: Howrey LLP

20070018603 - Method for the no-transmitter speed determination of an asynchronous machine: A method for the no-transmitter speed determination of an asynchronous machine, comprising the steps which follow: a module for field-oriented regulation calculates the voltages to be applied to the asynchronous machine on the basis of a setpoint for the speed, at least two values measured for the conductor current, and... Agent: Vidas, Arrett & Steinkraus, P.A.

20070018604 - Electromagnetic variable degrees of freedom actuator systems and methods: The present invention provides a variable reluctance actuator system and method that can be adapted for simultaneous rotation and translation of a moving element by applying a normal-direction magnetic flux on the moving element. In a beneficial example arrangement, the moving element includes a swing arm that carries a cutting... Agent: Michael C. Staggs Lawrence Livermore National Laboratory

20070018605 - Device for estimating pole position of synchronous motor: An influence resulting from double saliency of an electric motor, i.e., an influence of a deviation of the axis of an alternating current due to a rotor magnetic pole position θ on the estimation of a magnetic pole position, is eliminated, and, in particular, the magnetic pole position of double... Agent: Leydig Voit & Mayer, Ltd

20070018606 - Method and device for sensorless vector control for ac motor: A controller for an a.c. motor includes a vector control and calculating circuit (7) for controlling and calculating a vector from an exciting current command calculated in an exciting current command calculating circuit (5), a torque current command calculated in a torque current command calculating circuit (6), a coordinate transformed... Agent: Sughrue Mion, PLLC

20070013324 - Control system for window lifters of a motor vehicle: A control system for a first window lifter adjusts a first window pane of a motor vehicle having a first drive, and for a second window lifter for adjusting a second window pane of the motor vehicle having a second drive, having a control device. The control device may be... Agent: White & Case LLP Patent Department

20070013325 - Motor drive unit: A motor drive unit comprises a DC power source, a plurality of inverter circuits for converting the a power of this DC power source to an AC power, current detectors for detecting an output current of at least one of those plurality of inverter circuits and a controller for performing... Agent: Ratnerprestia

20070013326 - Device and method to configure same: A motor controller for controlling an electric motor including a soft starter and a human-machine interface for control and configuration of the soft starter. The soft starter includes a visual display and a selector associated with the visual display. A method to configure a motor controller for controlling an electric... Agent: Venable LLP

20070013327 - Apparatus for detecting over current of dual motor in vehicle: An apparatus for over current detection of a dual motor for use in a vehicle. This invention prevents each motor from burning out by more precisely detecting an over current of each motor in the dual motor within an overall drive area of the dual motor. This can be accomplished... Agent: Coleman Sudol Sapone, P.C.

20070013328 - Linear motor with progressive motion control: In a linear motor and its progressive motion or motion control, e.g., for modular transport devices with straight and curved route sections forming a route course, extensive modularity or flexibility of the linear motor may be guaranteed with little expenditure in terms of equipment and software, e.g., with regard to... Agent: Kenyon & Kenyon LLP

20070013329 - Method and circuit arrangement for the sensorless determination of load states of synchronous linear motors: The invention relates to a method and to a circuit arrangement used to regulate synchronous linear motors, especially linear drive mechanisms in film drawing systems. The force (Fclip) between the stationary primary part (20) and the moved secondary part (30) is determined in a sensorless manner from the voltages and... Agent: Nixon & Vanderhye, PC

20070013331 - Adjustment system for a motor vehicle: Adjustment system for a motor vehicle, having a mechanically commutated drive motor and a control apparatus, in which the clontrol apparatus has means for measuring a ripple of a drive current through the mechanically commutated drive motor caused by the mechanical commutation, the control apparatus designed to control the drive... Agent: White & Case LLP Patent Department

20070013330 - Control method of sensorless brushless direct current motor: Disclosed herein is a control method of a sensorless brushless direct current (BLDC) motor, and more particularly, a drive control method of a concentrated winding BLDC motor which prevents shutdown due to failures of detection of zero cross points (ZCPs). A reference voltage inputted to comparators is altered to set... Agent: Blank Rome LLP

20070013332 - Device for powering a variable speed drive: Variable speed drive comprising a main rectifier module (10) including thyristors (K1, K2, K3) to power a main continuous bus (15) from an external power network (5), an inverter module (30) delivering a variable control voltage to an electric motor from the main bus (15), an auxiliary rectifier module (20)... Agent: C. Irvin Mcclelland Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070013333 - Ac motor driving apparatus and method of controlling the same: The AC motor driving apparatus comprises an inverter for supplying power to an AC motor, current sensors for detecting current that flows in the motor or inverter, a rotation sensor for detecting the rotation of the rotor in the motor, and a control unit for controlling the driving of the... Agent: Crowell & Moring LLP Intellectual Property Group

20070013334 - Electronic line shaft with phased lock loop filtering and predicting: An improved electronic line shaft provides for a predictor sending predicted position and/or velocity values to servant drives that may be later strobed in by high speed low-latency strobe signals to eliminate network jitter and delay. The predictor may be implemented as a phase lock loop, providing filtering of a... Agent: Rockwell Automation, Inc./bf

20070013335 - Manual operation device for automotive vehicle: A manual operation device for controlling an instrument mounted on an automotive vehicle includes: an operating portion to be operated manually; an actuator for applying a force to the operating portion; a detection portion for detecting an operation position of the operating portion; a memorizing element for memorizing a force... Agent: Posz Law Group, PLC

20070013336 - Software center and highly configurable robotic systems for surgery and other uses: Telerobotic, telesurgical, and/or surgical robotic devices, systems, and methods employ surgical robotic linkages that may have more degrees of freedom than an associated surgical end effector n space. A processor can calculate a tool motion that includes pivoting of the tool about an aperture site. Linkages movable along a range... Agent: Patent Dept Intuitive Surgical, Inc

20070013337 - Adaptive voltage-mode controller for a voice coil motor: A voltage-mode VCM controller is provided comprising an Infinite Impulse Response (IIR) filter that modifies a servo control voltage signal to a voltage driver in response to an adaptive compensator that configures the IIR filter in relation to an observed VCM velocity and an actual VCM velocity. An associated method... Agent: Fellers, Snider, Blankenship, Bailey & Tippens, P.C.

20070013338 - Overvoltage suppression technique for variable frequency drives operating reciprocating loads: A motor control for a reciprocating load includes overvoltage suppression. The motor control comprises a variable frequency drive (VFD) operatively connected to a power source for operating a motor to drive the reciprocating load. A sensor determines motor torque. A control unit is connected to the VFD and to the... Agent: Wood, Phillips, Katz, Clark & Mortimer

20070013339 - Motor control method and device thereof: A motor control method and device. The motor control device includes a programmable integrated circuit (IC) receiving a phase signal, the phase of which is consistent with the rotation phase of a coil of the motor. The programmable IC generates a duty-cycle signal in accordance with the period of the... Agent: Birch Stewart Kolasch & Birch

20070007914 - Control process for mode change decisions for an infinitely variable transmission: Control process for mode change decisions for an infinitely variable transmission with several modes of operation (A, B) comprising at least two parallel coupling paths, each containing a closed coupler for the first mode of operation (A) and open for a second (B), with the two couplers being closed simultaneously... Agent: C. Irvin Mcclelland Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070007915 - Recording apparatus: A recording apparatus including: (a) a recording head unit for performing a dot recording operation by activation of the actuators; (b) a main circuit for outputting a plurality of sets of drive waveform signals; and (c) a head driver unit for receiving the sets of drive waveform signals outputted from... Agent: Baker Botts LLP C/o Intellectual Property Department

20070007916 - Voltage modulating apparatus for motor of electrical vehicle: A voltage modulating apparatus for a motor of an electrical vehicle includes a driver, a governor, a PWM device, a Hall sensor and an energy saver. The driver sends a driving signal to a motor of the electrical vehicle. The governor is controlled by a user to output a speed... Agent: Yi-wen Tseng

20070007918 - Continuously variable frequency swinging armature motor and drive: Disclosed herein is a power device. The power device has a power source; timing circuitry powered by the power source for producing a current pulse output having a pulse width; a switch for triggering the current pulse output produced by the timing circuitry; an armature motor powered by the power... Agent: Whyte Hirschboeck Dudek S C

20070007917 - Switching device, generator-motor apparatus using switching device, drive system including generator-motor apparatus, and computer-readable recording medium on which a program for directing computer to perform control of generator-motor apparatus is recor: A generator-motor apparatus (100) includes a control circuit (20), an alternator (50), electrode plates (83, 84), and switching devices (SW1 to SW6). The electrodes plates (83, 5 84) have a substantial horseshoe shape, and are provided on an end surface of the alternator (50) so as to surround a rotating... Agent: Kenyon & Kenyon LLP

20070007919 - Switching arrangement: An apparatus for controlling an electric motor (14) for, when energized, moving a vehicle window (22) selectively up or down and selectively in an auto up or auto down mode. The apparatus includes an electrical circuit electrically coupled to the electric motor (14) to energize the electrical motor (14) to... Agent: Tarolli, Sundheim, Covell & Tummino L.L.P.

20070007921 - Method and apparatus for adaptive control of a disk drive in the presence of non-linear magnetic bias: According to a preferred aspect of the instant invention, there is provided a system and method of moving a disc drive arm in the presence of nonlinear magnetic bias. Further, in another preferred embodiment the instant method will be adaptive and/or self-corrective and is especially useful when used with disc... Agent: Fellers Snider Blankenship Bailey & Tippens

20070007920 - Motor controller: Even when an inertia is varied during an operation or a viscous friction is high, the inertia or a viscous friction coefficient can be identified by a control parameter adjusting unit (18) for performing a calculation on the basis of a torque command Tref and the speed Vfb of a... Agent: Sughrue Mion, PLLC

20070007922 - Enhanced floating reference frame controller for sensorless control of synchronous machines: A method and system for controlling a power converter coupled to a polyphase power line. The method includes measuring at least two motor phase currents, obtaining a floating reference frame for the current Park vector, adjusting the reference frame based on an estimated rotor speed, and controlling the power converter... Agent: Roylance, Abrams, Berdo & Goodman, L.L.P.

20070007923 - Automatic storm shutter control: The present invention provides wireless and direct wired methods and devices for automatically closing electrically-driven roll-down storm shutters in the presence of rain on one or more rain sensors.... Agent: Ronnie L. Pratt Of Prine KnollIPTechnologies, LLC

20070007924 - Handling system, work system, and program: A handling system able to efficiently process information relating to a plurality of conveyed articles, the handling system provided with a conveyer for conveying workpieces, a visual sensor for detecting positions of workpieces by acquiring images of a plurality of tracking ranges obtained by dividing a belt into sections, an... Agent: Dla Piper Rudnick Gray Cary US LLP

20070007925 - Digital speed controlling apparatus, digital motor controlling apparatus, paper conveying apparatus, digital speed control method, program for making computer execute this method, computer-readable recording medium, and image forming apparatus: A digital speed controlling apparatus includes: a target speed calculator that calculates a target speed of a driven conveyor belt, based on a sampling time; a current speed calculator that calculates a current speed of the conveyor belt, based on displacement and a difference of a sampling time; a target... Agent: C. Irvin Mcclelland Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070007926 - Servo controller: There is provided a servo controller for synchronously controlling a master side drive source to drive one drive axis and a slave side drive source to drive the other drive axis. The servo controller includes a correction data calculation means for calculating correction data to correct a positional deviation of... Agent: Drinker Biddle & Reath (dc)

20070007927 - Position controller and controlling method therefor: An objective is to obtain a high robust position controller and a controlling method therefor, with respect to their technique in which control gain, in order to prevent an overshoot due to frictions, is most suitably adjusted. The position controller having a feedforward system includes: a friction-coefficient-estimated-value setting unit for... Agent: Sughrue Mion, PLLC

20070007928 - Frequency converter, motor, motor drive system and maintenance method for motor drive system: A frequency converter for outputting a power to drive a motor, having: an inverter unit for inverting a d.c. power to an a.c. power; a control unit for controlling the inverter unit; and a housing for supporting at least the inverter unit and control unit, wherein a rise time change... Agent: Antonelli, Terry, Stout & Kraus, LLP

20070007929 - System and method of controlling power to a non-motor load: A motor drive for conditioning power to be delivered to a non-motor load includes a voltage feedback circuit that monitors a DC bus voltage and, based on changes in the DC bus voltage, adjusts a power conditioning scheme such that near steady-state load conditions are maintained in response to a... Agent: Ziolkowski Patent Solutions Group, Sc (eaton)

20070001629 - System and method for locomotive adhesion control: A traction control system for controlling an electric traction motor drivingly coupled to a wheel of a tractive vehicle. The traction control system includes means for determining speed of the wheel, means for determining tractive effort of the wheel and a control circuitry for controlling drive signals to the motor... Agent: Patrick S. Yoder Fletcher Yoder

20070001630 - Electric motor movement controlling method, an electric motor movement controlling system and a compressor: The present invention provides an electric motor movement controlling method, where the electric motor is fed by a total voltage proportional to the network voltage. The method comprises steps of making a first measurement of level of the network voltage at a first moment of measurement and making a second... Agent: Alston & Bird LLP

20070001631 - Driving device and method: A driving device has a magnetostrictive actuator that drives a load member based on a driving signal, a sensor that detects an action of the load member, and a compensation unit that performs feedback compensation on the driving signal which the magnetostrictive actuator receives, based on a detection signal that... Agent: C. Irvin Mcclelland Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070001634 - Bi-directional single-phase fan and motor thereof: A bi-directional single-phase motor includes a stator, a rotor and a control circuit. The rotor is coupled to the stator and rotates along a first direction or a second direction. The control circuit is disposed in the stator and has a first inductive element and a second inductive element. When... Agent: Birch Stewart Kolasch & Birch

20070001633 - Effective switching frequency multiplier inverter: A switching frequency multiplier inverter for low inductance machines that uses parallel connection of switches and each switch is independently controlled according to a pulse width modulation scheme. The effective switching frequency is multiplied by the number of switches connected in parallel while each individual switch operates within its limit... Agent: Ut-battelle, LLC Office Of Intellectual Property

20070001635 - Method and system for starting a sensorless motor: A motor drive system for a sensorless motor includes a catch start sequencer that controls the motor drive system to robustly start the motor in the event the motor rotor is rotating in forward or reverse direction prior to activating the motor drive system. In particular, the catch start sequencer... Agent: Ostrolenk Faber Gerb & Soffen

20070001632 - Motor drive and magnetic disc apparatus: A back electromotive force detection circuit 12 incorporates an A/D conversion circuit 14 that converts the output from a differential amplifier circuit A2 into a digital signal and an offset calculation circuit 15 that sets the resistance value of a variable resistor R2 according to the output from the AID... Agent: Fish & Richardson P.C.

20070001636 - Torque controller in an electric motor: The torque of a motor operated by an inverter circuit is controlled to allow maximum torque in the motor when the motor is stalled or at low rotation speeds. Control is accomplished by providing a switching frequency to the motor at a first switching frequency, detecting a rotation speed of... Agent: Sirote & Permutt, P.C.

20070001637 - Barrier operator controller with user settable control limits when entrapment device present: A barrier operator includes a drive motor and a controller for causing the motor to move the barrier between open and closed positions and for monitoring parameters related to forces acting on the barrier during movement thereof. If no external entrapment device is connected to the controller, the controller automatically... Agent: Kenneth R. Glaser Gardere Wynne Sewell LLP

20070001638 - Robot with vibration sensor device: Methods and apparatuses for calibrating and teaching a robot to accurately work within a work environment are described. The present invention preferably provides one or more vibration sensor devices operatively coupled with a robot. In one aspect of the present invention a method comprises the steps of providing a vibration... Agent: Kagan Binder, PLLC

20070001640 - Digital servo system with moving average filter: The invention relates to a method and an arrangement for a digital servo system with moving average filter, which is used as an input filter for a digital signal processor of the servo system to shorten processing delay, which improves the stability of the control loop and/or allow a fast... Agent: Thomson Licensing Inc.

20070001639 - Digital servo system with pre-processing old control states: The invention relates to a method and an arrangement for a digital servo system with pre-processing old control states to shorten processing delay, which improves the stability of the control loop and/or allow a fast servo signal processing, which improve the overall servo control performance. The digital signal processor of... Agent: Joseph J. Laks, Thomson Licensing Inc.

20070001641 - Multiple motor position control: A controller for motor activation providing accurate and repeatable position changes by pressing and releasing a push button switch. Repeatable position changes are made in an advance direction by triggering a digital counter for a predetermined number of cycles of a reference clock signal. Backlash in retard motion of the... Agent: Hamilton, Brook, Smith & Reynolds, P.C.

20070001642 - Stepping motor controller, printer, stepping motor control method and stepping motor control program product: A stepping motor control method including: supplying hold current for holding a rotor of a stepping motor at a prescribed angle to the stepping motor as required while the stepping motor stops; performing a phase change at a frequency lower than a maximum self-start frequency when the stepping motor is... Agent: Edwards & Angell, LLP

20070001643 - Method and control circuit for determining an operating state when controlling a fan motor: A method is described for determining an operating state on triggering a fan motor, the fan motor being operated with the aid of a switching device, the switching device being activated via a pulse-width-modulated triggering signal, a pulse duty factor of the triggering signal predefining a triggering state of the... Agent: Kenyon & Kenyon LLP