Electricity: motive power systems inventions 10/06

20060238147 - Method and apparatus for sizing a drive unit for multiple applications with varying voltage requirements: A method for sizing components of a motor control system powered by a power supply includes receiving an upper nominal line voltage parameter for the power supply. A lower nominal line voltage parameter for the power supply is received. A first performance measure of the motor control system is determined...

20060238148 - Energy conversion systems: A device comprising a massfree energy receiver and means to convert massfree energy into ordinary electricity or mechanical work, including a pulsed plasma reactor driving an inertially damped drag motor....

20060238149 - Drive system for a vehicle moving along a trackway, particularly a magnetic levitation train: A drive system for a vehicle moving along a trackway, particularly a magnetic levitation train, includes a linear motor which has a stator extending along the trackway, and can be connected to a three-phase output voltage of an output transformer. An electrical power supply supplies a three-phase supply voltage which...

20060238151 - Image forming apparatus using noise-resistant motor control device: An apparatus for controlling a rotational motion of a motor is disclosed which includes: a signal generator generating a rotational state signal indicative of a rotational state of the motor; and a controller producing a control signal for controlling the rotational motion of the motor, based on the rotational state...

20060238150 - Method for controlling an electronically-commutated dc motor: A method for controlling an electronically commutated DC motor is provided, the DC motor including at least one particularly permanent magnetic rotor and a wound stator, which is a drive motor for an adjuster device on a pneumatically operated disc brake. The rotor position is determined from electrically measured parameters...

20060238152 - Method for detecting unbalanced conditions of a rotating load driven by a synchronous motor and for controlling said motor: The invention relates to a method for detecting unbalanced conditions of a rotating load driven by a synchronous electric motor (3) in washing machines (1) and similar rotably drum (2) household appliances and wherein at least a transient step is provided with variation of the angular speed (w) of the...

20060238153 - Handwheel-operated device: A handwheel-operated device comprising a fixed body, a handwheel and a moveable body, the handwheel being rotatable relative to the fixed body and the moveable body moveable relative to the fixed body, and the device further comprising a first motor operable to actuate the moveable body, first sensor means responsive...

20060238154 - Controller arrangement with automatic power down: A control circuit is described in which a single input terminal receives digital control signals and analog control signals. In accordance with the principles of the invention, the control circuit includes an automatic power down circuit to place the control circuit into a low power draw or “sleep” mode whenever...

20060238155 - Robot for making an interface surface: A robot for marking an interface surface is provided. The interface surface has coded data identifying a plurality of locations on the interface surface printed thereon. The robot comprises: an image sensor for sensing at least some of the coded data; a processor for generating indicating data using the sensed...

20060238156 - Self-moving robot capable of correcting movement errors and method for correcting movement errors of the same: A self-moving robot capable of correcting movement errors is provided. The self-moving robot includes a plurality of drive wheels, motors for rotating the drive wheels, drive wheel rotation detectors for detecting the amount of rotation of the drive wheels, a rotation detection unit for detecting rotation of the self-moving robot,...

20060238157 - Self-running robot having pressing sensing function and control method thereof: Disclosed is a pressing sensing technology of a self-running robot, comprising a pressing sensing unit for sensing pressing on the top of the self-running robot and a microprocessor for controlling driving of the self-running robot in accordance with the sensing signal from the pressing sensing unit to enable the self-running...

20060238158 - Digital control of motor drives: A digital controller is easily implemented for variable speed or torque control of an electric motor or generator by using a comparator to determine a choice of control state outputs....

20060238159 - Position calculation system for mobile robot and charging-stand return and method using the same: Disclosed herein is a mobile robot which is capable of accurately calculating a position of the wireless signal source using a wireless signal, and allowing the mobile robot to accurately and rapidly return to a charging-stand using the calculated position. The position calculation system for a mobile robot includes: a...

20060238160 - Drive apparatus: Optical disc drives designed for reduced power consumption switch the supply voltage in three stages between first, second, and third power supplies, but the reduction in power consumption that is possible in the drive circuits with three stage switching control is limited. A drive output tracking signal is generated according...

20060232231 - Fan module and control device thereof: Fan module and control device thereof. The fan module comprises a plurality of fans and the control device. The control device comprises a temperature sensing circuit, and a driving circuit. The temperature sensing circuit detects an ambient temperature of the fans and generates a sensing signal accordingly. The driving circuit...

20060232230 - Method and control unit for controlling fan motors: A method for controlling a first fan motor using a first pulse width modulation signal having a first pulse control factor, and for controlling a second fan motor using a second pulse width modulation signal having a second pulse control factor, so as to bring about an overall air output...

20060232232 - Drive controlling device of a motor-driven vehicle: A motor control for an electric motor powered vehicle having an accelerator control connected to a control circuit for supplying the desired driving power that senses possible errors of various types and stops the supply of driving power until normal operation resumes....

20060232233 - Drive assembly for a motorized roller tube system: A drive assembly for a motorized roller tube system includes a motor and a gear assembly having multiple gear stages. The motor of the drive assembly is operated inefficiently at a motor speed that is less than 50 percent of a peak efficiency motor speed producing sound pressure levels between...

20060232234 - Motorized roller tube system having dual-mode operation: A drive assembly for a motorized roller tube includes a motor and a gear assembly having multiple stages. The motor of the drive assembly is operated inefficiently at a speed that is less than 50 percent of peak efficiency motor speed producing sound pressure levels between approximately 40 dBA and...

20060232235 - Power source for a hybrid vehicle: A power source for a hybrid vehicle is provided which can protect its electric motor driving circuit from being damaged by a back electromotive force generated in a motor. The back electromotive force generated in an electric motor 44 is detected by a high voltage detector circuit 48 and converted...

20060232236 - Process for controlling industrial robots, and related robots, systems and computer programs: An industrial robot includes a manipulator (1) having a control unit (2) and a portable terminal (3), the unit and the terminal being able to communicate in wireless mode for executing a robot programming session. The unit (2) and the terminal (3) are configured so as to implement a step...

20060232237 - Method for adjusting parameters of an electric motor and variable speed drive using such a method: The invention concerns a method for adjusting motor parameters in a variable speed drive intended to control an electric induction motor M. The method includes a step for determining differences ΔID and ΔIQ between motor flux current and motor torque current references and measurements, a step for calculating a correction...

20060226799 - Motor unit including a controller that protects a motor of the motor unit from burnout: A motor unit includes a motor, a power source, and a motor control circuit. The power source supplies electric current to the motor. The motor control circuit is coupled to the motor and the power source, and includes a driver, a detector, and a controller. The driver controls duty cycle...

20060226800 - Scrolling backlight device for lcd display panel: A scrolling backlight device includes a plurality of light guides, a power supply adapted to supply an output voltage, a plurality of microlight engines each adapted to provide light to one of the light guides when supplied with the output voltage; and a plurality of switches adapted to selectively connect...

20060226801 - Drive control device for use in an image forming apparatus: A drive control device for use in an image forming apparatus comprises: a cover sensing unit which detects the opening of a cover of the image forming apparatus; a relay unit which controls supplement of a voltage for driving a laser scanning unit; and a relay operation control unit which...

20060226802 - Reversing motor windshield wiper system: A reversing wiper motor system has a first detector including a detectant which rotates in synchronism with the wiper. The detector physically identifies a plurality of distinct angular zones across the entire range of motion of the wiper, including a wiper park zone, a wiping zone, and a wiper out-of-bound...

20060226803 - Method and arrangement in connection with frequency converter: A method and arrangement for determining the effective time of a voltage pulse of phase voltage generated by a frequency converter provided with an intermediate voltage circuit, the voltage pulses of the phase voltage being generated from the upper and lower voltage levels (UDC, 0) of the intermediate voltage circuit,...

20060220598 - Remote activation of an automotive window washing system: A remote auxiliary switch for activating an automotive window washer of a window without activating a window wiper for the window is disclosed. An operator may conveniently dispense washer fluid from the on board reservoir of the existing wiper system to use when cleaning the window manually. The remote auxiliary...

20060220599 - Drive unit for controlling reciprocating electromagnets: A drive unit for use with a vibration welder having first and second electromagnets, each having first and second terminals, and being operable to reciprocate a vibration platen, includes phase U, V, and W drive circuitry and control circuitry. The phase U drive circuitry is coupled to the first terminal...

20060220600 - Electronic control system with torque and/or speed boost for motor vehicle seats: A motor vehicle seat adjuster includes a DC motor and a control system operably connected to the motor to control seat motion to a desired motion profile. Power to the motor is variable from less than 100% of normal power to greater than 100% of normal power. The desired motion...

20060220601 - Voltage converting circuit for electric vehicles: A voltage converting circuit for electric vehicles that is capable of stably performing precharge control from a high voltage battery to an inverter. The voltage converting circuit includes a high voltage battery for supplying electric power to a vehicle drive motor; and an inverter, which is interposed between the high...

20060220602 - Starting method for hall-less single-phase bldcm: The methods for starting a Hall-less single-phase BLDCM having an asymmetrical air gap are proposed. The provided methods are employed to input a specific amount of current impulse and stop the current impulse at a specific time such that the rotor of the single-phase BLDCM having an asymmetrical air gap...

20060220603 - Motor and drive control system thereof: Provided is a motor having a magnetic polar unit in which a permanent magnetic polar array having arranged therein alternately a plurality of permanent magnetic polar elements in alternate opposite poles is made to face a plurality of electromagnetic coil arrays alternately excited at opposite poles, and the permanent magnetic...

20060220604 - Opening and closing member control system: A motor drives a window glass of a door of a vehicle in an opening direction and a closing direction. A rotation sensing device outputs a pulse signal in response to rotation of the motor. A controller senses pinching of an object by the window glass based on the rotational...

20060220605 - Cordless power tool with overcurrent protection circuit: A cordless power tool uses a lithium battery as a power source of a motor and is provided with an overcurrent protection circuit. The circuit allows an overcurrent to instantaneously flow at the start-up time of the motor and shuts off an overcurrent which may flow when the motor is...

20060220606 - Device for detecting lift of autonomous mobile robot: Disclosed herein is a device for detecting lift of an autonomous mobile robot. The device comprises at least one detection unit to detect lift of the main body of the robot during driving of the robot and to generate and output the lift detection signal, and a controller to control...

20060220607 - Motor-driven power steering apparatus: In a motor-driven power steering apparatus, a plurality of rotational position detecting sensors are provided in an electric motor, and during an abnormality in any one rotational sensor, the electric motor can be driven by using a detected result of any other one rotational position detecting sensor....

20060220608 - Electric motor driving system, electric four-wheel drive vehicle, and hybrid vehicle: An electric four-wheel drive vehicle includes: an internal combustion engine; a generator for outputting DC electrical power; an inverter for converting DC electrical power, output from the generator, into AC electrical power; and an AC electric motor, which is driven by the inverter, for driving rear wheels. An electric motor...