Electricity: motive power systems inventions 09/06

20060208673 - Device and method to monitor an apparatus: An apparatus for monitoring and control of one or more electric motors, including a motor controller, equipped with a soft starter. The soft starter includes memory for storing operations and event data, as well as a human-machine interface for making the event information available for display and/or analysis. A method...

20060208674 - Controller, drive assembly and half-bridge assembly for providing a voltage: A half-bridge assembly is provided, such as for use in a drive assembly of a controller for controlling a motor. The half-bridge assembly includes a first arrangement, and a first diode electrically connected in parallel with the first arrangement. The half-bridge assembly also includes a second arrangement electrically connected in...

20060208675 - Motor controller with enhanced noise immunity unbuffered hall sensors: A method and apparatus of interfacing a Hall sensor to a commutation circuit comprises receiving output signals from the Hall sensor; detecting when the Hall sensor output signals are within a predetermined range; generating commutation output signals when the Hall sensor output signals are in a predetermined state for a...

20060208676 - Power window device: A power window device that suppresses heating in a motor used to lower and raise a window glass. For each door of a vehicle, the power window device includes an ECU that controls a motor in accordance with the operation of a switch to raise the window glass. A pulse...

20060208677 - Furniture item, and adjustment mechanism for a furniture item: A furniture item includes a fixed first structure, a second structure, and a drive assembly for moving the second structure in relation to the first structure between predefined target positions. The drive assembly has at least two servo drives. An adjustment mechanism is provided for maintaining the second structure in...

20060208678 - Power closure with anti-pinch: A power closure system with anti-pinch having a closure, a motor operatively connected to the closure, a sensor operatively producing signals indicative of motor speed, an anti-pinch activator coupled to the sensor and the motor, the anti-pinch activator including a predetermined trigger value; a measured value; a stored value; a...

20060208679 - Temperature sensor-actuated infrared type load control system: A temperature sensor-actuated infrared type load control system includes an infrared remote-control transmitter, which has a temperature sensor for detecting ambient temperature and a plurality of infrared transmitting devices for transmitting infrared signal, a controller which is installed in the load and has an infrared receiver for receiving and processing...

20060208680 - Drive apparatus: Optical disc drives designed for reduced power consumption switch the supply voltage in three stages between first, second, and third power supplies. The reduction in power consumption that is possible in the focusing and tracking drive circuits with three stage switching control is limited. This drive apparatus enables further reductions...

20060208681 - Conversational numerical control apparatus: Step data are sequentially read out from a conversational program created in a conversational format. The processor 13 determines whether or not leaning control in the step is possible. When the leaning control is possible, a learning start command is added to the start of the program to create and...

20060208682 - Internal integrated encoder and method of use: In a preferred embodiment, an apparatus, including: a motor; a code wheel attached to a rear surface of a rotor of the motor; and an read head/circuit board assembly attached to an inside surface of an end bell of the motor, the read head/circuit board assembly disposed so as to...

20060208683 - Motor control device: A speed controller includes a speed integration compensation low-pass filter, an integral control system, a proportional control system, and a multiplication device 134. The speed integration compensation low-pass filter has a transfer function corresponding to a delay of a speed control system. The integral control system 136 is multiplied by...

20060208684 - Dynamic aperture driving apparatus and method for reducing vibration: The present invention generally relates to a dynamic aperture for controlling the intensity of light of projection lens, more particularly to a dynamic aperture driving apparatus and method for reducing vibration by which vibrations are minimized in spite of command for sudden location change. The dynamic aperture driving apparatus comprises...

20060208685 - System for precharging a dc link in a variable speed drive: A variable speed drive with a converter that is controllable to precharge a DC link is provided. The variable speed drive also includes an inverter. The converter converts a fixed line frequency, fixed line voltage AC power from an AC power source into DC power. The DC link filters the...

20060208686 - Brushless dc motor coupled directly to ac source and electric apparatus using the same motor: A brushless DC motor is disclosed, in which a commercial AC source is full-wave rectified by a rectifier and then converted into a generally flat and low DC voltage not more than 45V by a DC voltage converter. The low DC voltage is applied in a full-wave driving method to...

20060208687 - Motor frive inverter control apparatus: A motor drive inverter control apparatus includes a rectifier circuit for rectifying an AC power supply, an inverter circuit driven by an output from the rectifier circuit, a motor driven by an output from the inverter circuit, a first capacitor coupled in parallel to the output of the rectifier circuit,...

20060208690 - Controller for brushless motor: In a controller for brushless motor which suppresses the generation of abnormal noise when the motor current is controlled by updating voltages applied to the coils, the present values of the applied voltages to the coils are calculated from the d axis target current, the q axis target current, the...

20060208688 - Controlling method of a motor state: A controlling method of a motor state described herein detects the motor operation in a regeneration state or a motor state. The output frequency value of an AC motor drive is calculated and adjusted to stabilize the voltage of a DC bus such that over-voltage protection is avoided. Therefore, a...

20060208689 - Method and system for controlling an electric motor in the event of flux reduction: This method consists, in particular, of using a dynamic system (MM) representing a model of the motor to be controlled, provided with at least one integrator (Int) and having as input the difference between a limited value of a control voltage (u) to be applied to the motor (M) and...

20060202645 - Control and motor arrangement for use in model train: A control and motor arrangement in accordance with the present invention includes a motor configured to generate a locomotive force for propelling the model train. The control and motor arragement further includes a command control interface configured to receive commands from a command control unit wherein the commands correspond to...

20060202646 - Conveyance control apparatus and image forming apparatus: A conveyance control apparatus controls an amount of movement of a carrier. A first encoder detects an amount of movement of the carrier and outputting a first signal. A second encoder detects an amount of movement of a drive member driving the carrier. A control part acquires an amount of...

20060202647 - Serial fan set and rotation speed-matching curve generation method thereof: A serial fan set and rotation speed-matching curve generation method thereof are provided. The serial fan set comprises a rotation speed control module, a first fan and a second fan, in which the rotation speed control module is used to receive the power signal and produce the rotation speed driving...

20060202648 - Intelligent power management for actuators: A system and method is disclosed for intelligent power management of actuators such as those used in papermaking. Multiple power supply units are connected to a common power bus. The power bus is connected at predetermined locations to a communications bus. The communications bus is connected in series with all...

20060202649 - Control system to monitor the functioning of an electromechanical drive in a vehicle: A control system for an electromechanical drive in a vehicle has a motor (29) whose connections (24, 25) are connected to the assigned control elements (2, 3) of a bridge circuit, a control circuit (21) with signal connections (12, 13) at which control signals are provided for controlling the control...

20060202650 - Methods and systems for medical imaging: Methods and systems for medical imaging are provided. The system includes a gantry assembly having a stator, a first rotor rotatably coupled to the stator, the first rotor configured to rotate about an examination axis at a first rotational speed, and a second rotor rotatably coupled to at least one...

20060202651 - Powered panel moving system: A powered panel moving system includes a motor, electronic drive circuitry, a mechanism, a coupler, and electronic function circuitry. The drive circuitry drives a rotor of the motor. The coupler couples rotational output of the rotor to the mechanism to drive the mechanism in order to move the panel. The...

20060202652 - Motor control method and motor controller: A motor speed, duty, and power source voltage are detected (steps S1 to S3). Referring to a load point map, a load point value is obtained (steps S4 and S5). The load point map is created with the motor speed, duty, and power source voltage taken as parameters, and is...

20060202653 - Motor driver, motor driven by the motor driver, and apparatus employing the motor: A motor driver includes a first signal selector and a second signal selector. The first signal selector is used for selecting a signal to be supplied to an energizing unit of driving coils, and selects either one of a normal energizing pattern signal supplied from an energizing signal generator or...

20060202654 - Wiper controller for controlling windshield wiper: A wiper controller includes: a sensor for detecting a waterdrop on a windshield; a wiper for wiping the windshield; and control means for controlling operation of the wiper. The control means monitors a waterdrop reflection when the sensor detects the waterdrop. The waterdrop reflection is a diffuse reflection of light....

20060202655 - Dc motor control apparatus and recording apparatus: When torque of a DC motor is dropped down to zero at a stop position, force is generated by deformation of a member for transmitting the torque of the DC motor. The force moves the driven body which is in the stopped state, which results in a shift of the...

20060202656 - Stepping motor control apparatus, stepping motor control method, and stepping motor control program product: A stepping motor control apparatus includes a control circuit to control the excitation sequence of a stepping motor, and a switching circuit to switch electric power to be supplied to the stepping motor based on an instruction from the control circuit, and when the stepping motor is rotated from a...

20060202657 - Voltmeter relay with improved terminal coupling: More particularly, the innovation requires an elastic tooth (8) to be formed in the base-plate (5) of the terminals (3, 4), for example by semi-punching, and an opening to be made in the base (2) of the relay casing, in the wall of the seating (7) onto which said terminal...

20060197476 - Control system: A transmission path delay is set in a shift setting register. A slave unit generates a PRE_ITP signal in response to a timing signal (ITP signal) issued by a master unit. The phase difference between this PRE_ITP signal and the ITP signal unique to the slave unit is loaded into...

20060197477 - Manual-powered generator and assemblies therewith: The invention provides a manually-powered electrical assembly. In one aspect, the manually-powered electrical assembly can be a light assembly that comprises a light source, an electrical generator, and a manual actuator assembly. The electrical generator is electrically connected to the light source and is operable to provide an electric current...

20060197480 - Apparatus and method for driving the multiphase motor using the magnetic pole position detector: A motor driving apparatus includes a motor driver which includes a parallel circuit in which a plurality of series circuits are connected in parallel. Each of the plurality of series circuits has a high side switching device and a low side switching device connected in series. A voltage detector detects...

20060197478 - Method for starting single phase bldcm having asymmetrical air gap: The proposed method for starting a motor having a stator, a rotor, a winding and an asymmetrical air gap, comprising the steps of: (a) exciting said winding with a current impulse such that said stator generates a magnetic field and going to one of steps (b) and (d); (b) driving...

20060197479 - Sensorless and brushless dc motor: A sensorless and brushless motor is disclosed including a stator, a rotor, a control circuit and an induction coil (50). The stator includes a stator core (30) and a stator coil (34) wound around the stator core. The rotor includes a rotor magnet (40). The control circuit is electrically connected...

20060197481 - Motion control system for barrier drive: A system for operating a barrier system such as a garage door, gate or fence. A DC motor is connected to and operates a barrier drive. A power amplifier is configured to receive power signals from a power supply and to output modulated DC signals to the DC motor. A...

20060197482 - Low noise back emf sensing brushless dc motor: A low noise electronic three phase bridge controlled brushless DC motor suitable for whiteware appliance pumps and other appliance applications. Back EMF zero crossing sensing is used to determine rotor position and thus stator winding commutation times. Motor torque and speed are controlled by pulse width modulating the operation of...

20060197483 - Power tool with remote stop: The present invention is directed to a power tool including a wireless remote stop for terminating the flow of electricity to an electric motor. The electric motor is configured for operating a working element assembly of a power tool, such as an arbor/circular saw blade included a table saw. In...

20060197484 - Motor controller: A motor controller having the electronic cam function that makes it smooth operation even if the number of operation patterns is lessened is provided. The electronic gear function included in a servo-amplifier and a divider are used to vary the gear ratio of an electronic gear in a previously provided...

20060197485 - Method of assuming acting point of floor reaction force to biped walking mobile body and method of assuming joint moment of biped walking mobile body: While a biped walking mobile body is in a motion, including level-ground walking, the position of the center of gravity (G0) of the biped walking mobile body, the position of an ankle joint (12) of each leg (2), and the position of a metatarsophalangeal joint (13a) of a foot (13)...

20060197486 - Robot controller: A robot hand is moved at a moving speed in direct movement from a start position to an end position. When the robot hand passes through a setting position on a movement route from the start position to the end position, a setting position passing signal is outputted. At this...

20060197487 - Antivibration device having rotary flyweights and an epicyclic geartrain: An antivibration device for reducing the vibration of a structure, includes a stationary casing, mounted on the structure, and first and second sets each including two contra-rotary rotors having eccentric flyweights, the flyweights and the rotors being disposed respectively in first and second mutually parallel planes, the centers of rotation...

20060197488 - Circuit and method for controlling motor: A motor control circuit for reducing current consumption. A stepping motor control circuit includes an A/B phase current setting signal generation circuit for generating an A/B phase current signal setting signals provided to a stepping motor driver to supply a stepping motor with a predetermined amount of drive current. Based...

20060197489 - Motor control apparatus: In an automatic transmission position control by a motor, it is determined whether the present instant belongs to a starting period, that is, the present instant is immediately after resetting of a control unit or application of power to it. If it is the starting period, an actual shift position...

20060197490 - Half-bridge control circuit: A circuit is configured to detect an output state of a first half-bridge circuit and to generate a first signal and a second signal based on the output state to reproduce the output state at an output of a second half-bridge circuit....

20060197491 - Low voltage, two-level, six-pulse induction motor controller driving a medium-to-high voltage, three-or-more-level ac drive inverter bridge: A method and circuit enabling off-the-shelf controllers designed for use with a two-level AC drive inverter bridge (1920) to drive inverter bridges with three-or-more levels. Signals from an ordinary induction motor controller or a two-level induction motor controller (2200) are used to drive the twelve-or-more switches of a three-or-more level...

20060197476 - Control system: A transmission path delay is set in a shift setting register. A slave unit generates a PRE_ITP signal in response to a timing signal (ITP signal) issued by a master unit. The phase difference between this PRE_ITP signal and the ITP signal unique to the slave unit is loaded into...

20060197477 - Manual-powered generator and assemblies therewith: The invention provides a manually-powered electrical assembly. In one aspect, the manually-powered electrical assembly can be a light assembly that comprises a light source, an electrical generator, and a manual actuator assembly. The electrical generator is electrically connected to the light source and is operable to provide an electric current...

20060197480 - Apparatus and method for driving the multiphase motor using the magnetic pole position detector: A motor driving apparatus includes a motor driver which includes a parallel circuit in which a plurality of series circuits are connected in parallel. Each of the plurality of series circuits has a high side switching device and a low side switching device connected in series. A voltage detector detects...

20060197478 - Method for starting single phase bldcm having asymmetrical air gap: The proposed method for starting a motor having a stator, a rotor, a winding and an asymmetrical air gap, comprising the steps of: (a) exciting said winding with a current impulse such that said stator generates a magnetic field and going to one of steps (b) and (d); (b) driving...

20060197479 - Sensorless and brushless dc motor: A sensorless and brushless motor is disclosed including a stator, a rotor, a control circuit and an induction coil (50). The stator includes a stator core (30) and a stator coil (34) wound around the stator core. The rotor includes a rotor magnet (40). The control circuit is electrically connected...

20060197481 - Motion control system for barrier drive: A system for operating a barrier system such as a garage door, gate or fence. A DC motor is connected to and operates a barrier drive. A power amplifier is configured to receive power signals from a power supply and to output modulated DC signals to the DC motor. A...

20060197482 - Low noise back emf sensing brushless dc motor: A low noise electronic three phase bridge controlled brushless DC motor suitable for whiteware appliance pumps and other appliance applications. Back EMF zero crossing sensing is used to determine rotor position and thus stator winding commutation times. Motor torque and speed are controlled by pulse width modulating the operation of...

20060197483 - Power tool with remote stop: The present invention is directed to a power tool including a wireless remote stop for terminating the flow of electricity to an electric motor. The electric motor is configured for operating a working element assembly of a power tool, such as an arbor/circular saw blade included a table saw. In...

20060197484 - Motor controller: A motor controller having the electronic cam function that makes it smooth operation even if the number of operation patterns is lessened is provided. The electronic gear function included in a servo-amplifier and a divider are used to vary the gear ratio of an electronic gear in a previously provided...

20060197485 - Method of assuming acting point of floor reaction force to biped walking mobile body and method of assuming joint moment of biped walking mobile body: While a biped walking mobile body is in a motion, including level-ground walking, the position of the center of gravity (G0) of the biped walking mobile body, the position of an ankle joint (12) of each leg (2), and the position of a metatarsophalangeal joint (13a) of a foot (13)...

20060197486 - Robot controller: A robot hand is moved at a moving speed in direct movement from a start position to an end position. When the robot hand passes through a setting position on a movement route from the start position to the end position, a setting position passing signal is outputted. At this...

20060197487 - Antivibration device having rotary flyweights and an epicyclic geartrain: An antivibration device for reducing the vibration of a structure, includes a stationary casing, mounted on the structure, and first and second sets each including two contra-rotary rotors having eccentric flyweights, the flyweights and the rotors being disposed respectively in first and second mutually parallel planes, the centers of rotation...

20060197488 - Circuit and method for controlling motor: A motor control circuit for reducing current consumption. A stepping motor control circuit includes an A/B phase current setting signal generation circuit for generating an A/B phase current signal setting signals provided to a stepping motor driver to supply a stepping motor with a predetermined amount of drive current. Based...

20060197489 - Motor control apparatus: In an automatic transmission position control by a motor, it is determined whether the present instant belongs to a starting period, that is, the present instant is immediately after resetting of a control unit or application of power to it. If it is the starting period, an actual shift position...

20060197490 - Half-bridge control circuit: A circuit is configured to detect an output state of a first half-bridge circuit and to generate a first signal and a second signal based on the output state to reproduce the output state at an output of a second half-bridge circuit....

20060197491 - Low voltage, two-level, six-pulse induction motor controller driving a medium-to-high voltage, three-or-more-level ac drive inverter bridge: A method and circuit enabling off-the-shelf controllers designed for use with a two-level AC drive inverter bridge (1920) to drive inverter bridges with three-or-more levels. Signals from an ordinary induction motor controller or a two-level induction motor controller (2200) are used to drive the twelve-or-more switches of a three-or-more level...