Abstract: A rail set assembly includes following elements. A retainer is capable of being fixed to a frame by a bending portion thereof and thus to provide a supporting force to the rail. The retainer further has a positioning locking hole. An engaging unit has a plurality of through holes and bending sides on each of a long upper side and a long lower side. The engaging unit can further retain the retainer in a certain position. A sliding track has a front fixing unit, a rear post, a long slot at a central part thereof. The sliding track further has a bending portion on each of an upper and a lower side of the track, and the sliding track is parallel and slidable along the engaging unit. An embedding unit has a guide block and a positioning block.

Abstract: In order to increase the reliability of the parts constituting the basket and to conveniently use the basket and to stably accomplish the operation of the basket, as the shaking of the basket is prevented, there is disclosed a basket operation device of a refrigerator, comprising: a basket freely moved in a back-and-forth direction in the state that the basket is supported by an inner wall of the refrigerator; a rotation shaft supported by the basket and moved with the basket and respectively rotated; a pair of rotation elements supported by both sides of the rotation shaft and rotated at the same angle to guide a movement of the basket when the basket moves in a back-and-forth direction; and a corresponding element formed in the inner wall of the refrigerator in a back-and-forth direction to contact with the rotation elements.

Abstract: A spark plug for an internal combustion engine has a housing and an insulator held in a clamping area of the housing, which electrically insulates a central electrode from the housing, a heat transfer area having a circumferential gap between the housing and the insulator being provided in the area of a combustion chamber-side end section of the housing for dissipating the heat absorbed by the insulator. The heat transfer area and the clamping area are spatially separated from each other.

Abstract: An image display device includes a display panel for displaying images, such as a PDP. The display panel includes either a plurality of grooves constituting a plurality of flow paths aligned in a certain direction on its rear surface, or a plurality of flow paths aligned in a certain direction internally. The above-described image display device can enlarge heat radiation area in the display panel, and efficiently decrease the temperature of the display panel.

Abstract: There is provided an organic electroluminescence (EL) device panel including a heat dissipation member formed on a lead-out wiring electrically connected to a first electrode or a second electrode. According to the organic EL device panel of the present invention, the organic EL device is not adversely affected by heat at a time of manufacturing and driving, so deterioration of pixels of the organic EL device is not generated.

Abstract: A spark plug is described for Otto-cycle engines having a metallic spark plug body, having a center electrode, having a ceramic insulator, which is arranged between the center electrode and the body and is based on aluminium oxide, and having at least one earth electrode. The invention provides for the insulator to be composed of 0.01% by weight to 1% by weight of magnesium oxide, at most 0.3% by weight of natural and/or impurities, with the rest being aluminium oxide, and being formed by solid-phase sintering so that it is very largely free of glass phases.

Abstract: A spark plug for an internal combustion engine includes a ground electrode, a center electrode, an insulator, a housing, and a folded packing which is situated on an outer circumference of the housing. The folded packing has: a hollow profile in cross section; a free leg directed outwards; and a support region. The folded packing lies on a contact surface in a support region, and the free leg is situated at an angle to the support region. The folded packing is pressed together during the mounting of the spark plug, and the free leg of the folded packing is designed to bend over in the direction of the support surface during the mounting to provide a diameter enlargement of the folded packing.

Abstract: The material contains a porous metal matrix impregnated with a material emitting electrons. The material uses a mixture of copper and iron powders as a porous metal matrix and a Group IIIB metal component such as Y2O3 is used as a material emitting electrons at, for example, the proportion of the components, mass %: iron: 3-30; Y2O3:0.05-1; copper: the remainder. Copper provides a high level of heat conduction and electric conductance, iron decreases intensity of copper evaporation in the process of plasma creation providing increased strength and lifetime, Y2O3 provides decreasing of electronic work function and stability of arc burning. The material can be used for producing the electrodes of low temperature AC plasma generators used for destruction of liquid organic wastes, medical wastes, municipal wastes as well as for decontamination of low level radioactive waste, the destruction of chemical weapons, warfare toxic agents, etc.

Abstract: A field emission display includes a field emission cathode and an anode electrode plate arranged above the field emission cathode. The filed emission cathode includes a substrate, and a plurality of electron-emitting areas spaced apart from each other and arranged on the substrate. Each of the electron-emitting areas includes a cathode, a gate electrode, and a number of first and second conductive lines. The cathode includes a first conductive substrate and a first carbon nanotube assembly having a plurality of carbon nanotubes each having a cathode emitting end having a needle-shaped tip. The gate electrode is faced to the cathode emitting end. The taper-shaped tips of the cathode emitting ends and the gate have a small size and higher aspect ratio, allowing them to bear a larger emission current at a lower voltage.

Abstract: A lamp in which an inner bulb containing a light emitting tube or a light emitting filament and an outer bulb containing the inner bulb are attached coaxially to a base, and a spacer made of a thin metal sheet is attached to an exhaust tube protruding from a central region at the top end of the inner bulb coaxially supporting the inner bulb to the outer bulb.

Abstract: An image display apparatus includes a display panel having an anode and an anode terminal, wherein the anode is disposed at an inside of the display panel, the anode terminal applies a voltage to the anode from an outside of the display panel and includes a portion disposed inside of the display panel and a portion disposed outside of the display panel, and an anode cap attached on an external surface of the display panel for holding an electroconductive wire applying a voltage to the anode terminal. In addition, a fixing member detachably fastens the anode cap, wherein the fixing member has a through hole in which the portion of the anode terminal disposed outside of the display panel is inserted, and the fixing member is fixed to an external surface of the display panel. The anode cap has inside thereof a fastening portion to be detachably fastened by the fixing member.

Abstract: A method of preparing a field electron emitter includes preparing an aqueous solution including a carbon nanotube-nucleic acid composite, preparing a substrate to receive the carbon nanotube-nucleic acid composite, and electrophoresis-depositing the carbon nanotube-nucleic acid composite onto the substrate.

Abstract: To provide a light emitting device that does not experience a decline in radiant efficiency in use, enables luminous flux from LED elements to be increased, and white light of good color rendering to be produced, and heat generated by the LED elements to be smoothly transmitted to an SiC fluorescent substrate. The light emitting device is provided with first LED elements for emitting UV radiation, second LED elements for emitting visible light, an SiC fluorescent substrate that is mounted with the first LED elements and the second LED elements and is made of SiC doped with at least one of B and Al as well as N and emits visible light when excited by radiation emitted from the first LED elements, and has a body made of inorganic material.

Abstract: An OLED display including a first substrate on which a plurality of OLEDs are formed, a second substrate attached with the first substrate, a photo sensor formed on the second substrate and for detecting incident light generated by an external source, and a plurality of shield layers covering the photo sensor and for blocking (or preventing) light emitted from the OLED from being detected by the photo sensor.

Abstract: The invention relates to a radiation emitting device, with a substrate (100) and a layer sequence disposed on top of it. Said layer sequence comprises a first electrode surface (200) with a first contact (210) for applying a voltage, at least one functional layer (300), which emits radiation during operation, and a second electrode surface (400). In the layer sequence, a plurality of partial regions is present that is modified in such a way that the emission of radiation visible to an external observer therefrom is interrupted. The distribution density of these partial regions varies depending on their distance from the contact.

Abstract: A top emission type organic light emitting display apparatus that can improve contrast without using a black matrix and can simply the manufacture of a color filter. The top emission type organic light emitting display apparatus includes a substrate, an organic light emitting device arranged on the substrate and including a first electrode layer and a second electrode layer arranged opposite to each other and an organic light emitting layer arranged between the first electrode layer and the second electrode layer, an encapsulating member arranged to encapsulate the organic light emitting device, a polarizing film arranged on the encapsulating member and a color filter arranged between the encapsulating member and the polarizing film, the color filter being arranged directly on the polarizing film.

Abstract: An organic light emitting diode (OLED) display apparatus, including a substrate, at least one thin film transistor (TFT) on the substrate, an insulating layer covering the at least one TFT and having a via hole and a groove, a first electrode on the insulating layer and electrically connected to the at least one TFT through the via hole, a pixel define layer on the first electrode and the groove, the pixel define layer having an opening that exposes the first electrode; an intermediate layer electrically connected to the first electrode through the opening, the intermediate layer including an organic emissive layer, and a second electrode on the intermediate layer. The organic emissive layer may be easily formed in the opening because a step between the organic emissive layer and the pixel define layer may be reduced as a portion of pixel define layer fills the groove.

Abstract: In a top emission type organic EL display device, brightness gradient in a screen is reduced while keeping a screen brightness. A reflection film is formed under a lower electrode and the light from an organic EL layer is emitted through an upper electrode. Light absorption of the upper electrode is larger on the side of a shorter wavelength. When a film thickness of the upper electrode is enlarged in order to reduce the brightness gradient in a screen, the film thicknesses of the upper electrodes for a red pixel and a green pixel are enlarged without enlarging the film thickness of the upper electrode for a blue pixel. This makes it possible to reduce the brightness gradient as well as to suppress the light absorption of the upper electrode.

Abstract: An organic light emitting device having an anode, a cathode and an organic layer disposed between the anode and the cathode is provided. In one aspect, the organic layer comprises a compound having at least one zwitterionic carbon donor ligand.

Abstract: A plasma display panel (PDP) includes a front substrate and a rear substrate facing each other, a barrier rib between front and rear substrates to partition discharge cells, an address electrode extending from the rear substrate in a first direction to correspond to the discharge cell, an electromagnetic wave shield layer on an internal surface of the front substrate, and a display electrode on the front substrate separated from the electromagnetic wave shield layer and extending in a second direction that crosses the first direction to correspond to the discharge cell.

Abstract: In various embodiments, a high pressure discharge lamp is provided. The high pressure discharge lamp may include a lamp axis, and a two-ended discharge vessel that surrounds a discharge volume, electrodes extending into the discharge volume enveloped by the discharge vessel, and a fill that includes metal halides being accommodated in the discharge volume, the discharge vessel being surrounded by an outer bulb with a base at one end and being held therein by a frame, wherein the frame comprises a short supply lead and a long supply lead, the long supply lead comprising two straight conductors with a winding part therebetween, the winding part executing at most 1.25 turns about the discharge vessel.

Abstract: A highly reliable ultra-high pressure mercury discharge lamp with a low risk of breakage of the quartz tube. The ultra-high pressure mercury discharge lamp includes a light emitting tube 2 in which a pair of electrode systems 24a, 24b is enclosed within a quartz tube. The pair of electrode systems 24a, 24b is outfitted with an electrode 21a, 21b having a weld 21a-2, 21b-2, a metal strip 22a, 22b with one end that is welded to the weld 21a-2, 21b-2, and a connection line 23a, 23b connected to the other end of the metal strip 22a, 22b. An aperture portion 22a-1, 22b-1 is provided in the metal strip 22a, 22b in the area surrounding the weld 21a-2, 21b-2.

Abstract: An automotive lighting assembly receiving light from a power source and for producing light. The automotive lighting assembly includes a first lighting circuit which is operatively connected to the power source for emitting light as a function of electric current. A second lighting circuit is operatively connected to the power source independently from the first lighting circuit. The second lighting circuit emits light as a function of the electric current. The automotive lighting assembly also includes a controller which is electrically connected between the power source and the first and second lighting circuits for independently operating the first and second lighting sources to emit a chosen amount of light in a chosen direction.

Abstract: A lamp overload detection/modulation circuit including a microcontroller unit for detecting rectangular wave signal reflective of the power used by the lamp load and pulse width signal of AC power. The positive bandwidths of the two signals are compared with a predetermined full-load value. In the case that the positive bandwidths of the two signals are both larger than the full-load value, it is indicated that the lamp load is under an overload condition. Under such circumstance, the microcontroller unit controls a lamp load driving unit to change driving manner and lower the power used by the lamp load to a value within a nominal range. Then the lamp load automatically restores to the full-load state. Accordingly, the lamp is protected from long-term overload condition.

Abstract: Methods and systems are provided to increase or optimize the illumination used with a sensor to measure printed ink colors on a substrate at high speed (up to 3 m/s) and high resolution. By modifying the number of light sources, their wavelengths and/or their relative intensities, the optical contrast can be increased or optimized to yield a higher signal-to-noise ratio and improved accuracy for the measurement of multiple colors. In one implementation, multiple LEDs with selected output peak wavelength may be used to achieve higher contrast imaging for each color.

Abstract: The invention relates to an electronic candle and an electronic night lamp. The electronic candle includes a light-emitting diode (LED), a capacitor and a control circuit. The capacitor has a first terminal coupled to a first terminal of the LED, and a second terminal coupled to a common voltage. The control circuit has a first control terminal coupled to the first terminal of the LED, and a second control terminal coupled to a second terminal of the LED. In a detecting period, the control circuit provides a preset voltage across the first and second terminals of the LED so that the LED is reversely biased for a preset time. Then, the first control terminal of the control circuit is set to high impedance. Next, the control circuit detects a variation of a voltage of the first terminal of the capacitor with respect to time to determine whether to light up the LED.

Abstract: The present invention lights a gas discharge lamp with a stable average frequency and in the mean time grows tips evenly on the two electrodes of the gas discharge lamp so that the distance between the electrodes is maintained and the stability of the electric arc is enhanced. The present invention first applies a DC voltage and then a high-frequency AC voltage to the electrodes of the gas discharge lamp. The present invention then applies a reversed DC voltage and then a high-frequency AC voltage to the electrodes. This process is repeated and, as the tungsten ions in the electric arc are steadily deposited on the arc spots of the electrodes alternately and two tips are thereby evenly developed on the first and second electrodes, respectively.

Abstract: An image display apparatus of a present invention has a rear plate having a plurality of electron-emitting devices, a face plate having a light-emitting member, a high-voltage power source which applies a high voltage to the light-emitting member, a current detecting unit which detects an emission current from the electron-emitting devices, and a bypass capacitor. One end of the bypass capacitor is connected between the high-voltage power source and the current detecting unit, and the other end of the bypass capacitor is connected to a potential regulating electrode, and an electrostatic capacitance Cp of the bypass capacitor satisfies a following formula: Cp>?A/d where ?: permittivity of vacuum, A: an area of the light-emitting member, and d: a distance between the rear plate and the face plate.

Abstract: Provided are a light-source drive circuit substrate and a light source component which can drive a light source with sufficiently high light source characteristics even when environmental temperature greatly changes, and a display apparatus which includes the light source component. A light-source drive circuit (X) according to the present embodiment includes a controller (C) configured to drive a first light source (L1) and a second light source (L2) having at least one light source characteristics higher than those of the first light source (L1) when the environmental temperature is equal to or below a reference temperature. The controller (C) includes a selector (10) which selects a first driver (D1) for driving the first light source (L1) when the environmental temperature goes above the reference temperature, and selects a second driver (D2) for driving the second light source (L2) when the environmental temperature becomes equal to or below the reference temperature.

Abstract: A driver (10) for driving a gas discharge lamp (11), preferably implemented as half-bridge converter, has two states, corresponding to rising lamp current (dI/dt>0) and falling lamp current (dI/dt<0), respectively. A controller (12) always changes state (SS1?SS2; SS2?SS1) at predetermined phases (?s=2/8; ?s=6/8) of the lamp current. At other predetermined phases (?s=1/8; ?s=3/8; ?s=5/8; ?s=7/8), the controller randomly decides whether or not to change state (SS1?SS2; SS2?SS1), wherein the probability (p) for changing is larger than 0 and lower than 1. As a result, the frequency spectrum of the lamp power is smoothened, the power at individual frequencies being reduced, so that the probability of stimulating acoustic resonances in the lamp are reduced.

Abstract: A curing apparatus for thermally processing thin films on low-temperature substrates at high speeds is disclosed. The curing apparatus includes a strobe head, a strobe control module and a conveyor control module. The strobe control module controls the power, duration and repetition rate of a set of pulses generated by a flash lamp on the strobe head. The conveyor control module along with the strobe control module provide real-time synchronization between the repetition rate of the set of pulses and the speed at which the substrate is being moved under the strobe head, according to the speed information.

Abstract: A power supply system and a method for providing power supply to electrical equipment from conventional lighting circuits in buildings are disclosed. The invention is intended to provide power supply to electrical equipment, without the need of conventional alternating current (AC) power supply power socket outlets. Instead, it obtains electrical power from existing lighting points. An embodiment of the invention is disclosed for achieving this without disrupting normal operation of turning on and off existing lighting sources. The present invention consists a wall switch unit and a lighting source control unit. The wall switch unit control s the level or waveforms of AC voltage supply to the lighting source control unit while the lighting source control unit detects the AC voltage level or waveforms for switching on or off a lighting source.

Abstract: A driving method of a multi-channel driving circuit includes: receiving multiple driving signals corresponding to multiple to-be-driven elements, providing multiple randomized time delays, respectively adjusting the driving signals according to the randomized time delays to generate multiple delayed driving signals, and respectively driving the corresponding to-be-driven elements according to the delayed driving signals.

Abstract: A backlight module control system includes a power supply, a first backlight sub-module, a second backlight sub-module, a first transformer and a second transformer. The power supply is utilized for providing an operating power to the backlight module control system. A primary side and a secondary side of the first transformer are respectively coupled to the power supply and a first node of the first backlight sub-module. A primary side of the second transformer is coupled to the power supply, and a secondary side of the second transformer is coupled to the secondary side of the second transformer and a first node of the second backlight sub-module.

Abstract: The present disclosure generally relates to lighting and energy control systems. In some embodiments, a control module is provided that can facilitate installation of lighting systems and control power consumption. Control module may control a ballast coupled to one or more lamps in a light fixture or energy consuming devices on a circuit. The control module can retrofit with various junction boxes or light fixtures and thus enable energy and sensor controls to be deployed in a wide variety of lighting installations which may be inaccessible due to cost or installation constraints. Control device may include a control circuit which provides relaying and one or more interfaces to provide power controls to various devices, such as ballasts, motors, appliances, or other devices.

Abstract: A power converting unit supplies a predetermined current to each of light-emitting elements by controlling a duty ratio of a semiconductor switching element. A light-emitting-element selecting unit sequentially selects a light-emitting element to be supplied with the current from the power converting unit. A duty-ratio control unit controls the duty ratio of the semiconductor switching element based on a value obtained by multiplying a gain by a difference between an output current of the power converting unit and a target current. A gain selecting unit changes the gain according to selected light-emitting element.

Abstract: A current-limiting protection circuit of remotely controlled ceiling fan-lamp is disclosed. The current-limiting protection circuit includes a microcontroller unit for detecting rectangular wave signal reflective of the power used by a lamp load. The rectangular wave signal is compared with nominal value. In the case that the positive bandwidth of the rectangular wave signal is larger than the nominal value, it is indicated that the lamp load is in an overloaded state. Under such circumstance, the microcontroller unit controls a lamp load driving unit to change driving manner and lower the power used by the lamp load to a value within the nominal range.

Abstract: Disclosed are an illumination apparatus for adjusting a color temperature and brightness, which can determine duties of pulse width modulation (PWM) control pulses for driving two light sources having different color temperatures, and an illumination system including the same. The illumination apparatus includes first and second light source units emitting light of different color temperatures, first and second pulse width modulation (PWM) driving units respectively driving the first and second light source units by a PWM control method, and a duty control unit controlling respective duties of PWM control pulses of the first and second PWM driving units according to a color-temperature set value and a brightness set value input from the outside. The duty control unit controls the duties such that the color-temperature set value is reflected in the respective duties of the PWM control pulses of the first and second PWM driving units in a complementary relation.

Abstract: An electric-motor controller uses multiple semiconductor switches in parallel, arranged so as to improve turn-on and turn-off synchronization. A physical “sandwich” arrangement improves manufacturability of some embodiments. A system using the controller can recharge a battery pack from a charging source of a different voltage by using a field coil of the motor as an inductor in a step-up or step-down circuit. Controller software monitors parameters such as battery voltage, temperature and current to adjust system operation.

Abstract: A microcomputer which obtains a rotor position signal from a biphase signal delivered by a resolver mounted on an electric motor according to a rotation phase of a rotor relative to a stator, thereby controlling the motor based on the rotor position signal. The microcomputer includes a digital signal converter which is configured by hardware and converts the biphase signal delivered from the resolver into a digital data position signal, the digital signal converter being mounted on a single chip.

Abstract: A BLDC (brushless direct current) motor system of the present invention includes a control circuit, a sequencer, a driving circuit, and a BLDC motor. The control circuit determines the maximum torque and the maximum speed of the BLDC motor. The control circuit includes an over-current detection circuit to generate a reset signal in response to a switching current of the BLDC motor. The reset signal is generated when the switching current of the BLDC motor exceeds a threshold. A pulse width of the PWM signal is correlated to the level of a speed-control signal and the level of the torque-control signal. The pulse width of the PWM signal is also controlled by the reset signal generated by the over-current detection circuit.

Abstract: The invention discloses a motor driving device for generating at least one driving signal according to a clock signal corresponding to the output signal of a hall sensor. The motor driving device also controls rotation of a motor via at least one driving signal, wherein the at least one driving signal includes a first driving signal and a second driving signal and the motor driving device controls the rotation of the motor according to the first driving signal and the second driving signal.

Abstract: A system for controlling a trapezoidally (square wave) driven DC motor includes a unipolar commutation circuit coupled between a DC power supply and a brushless DC motor. The motor has three phases formed by respective stator windings coupled at respective proximal ends to a common node and having respective opposite ends remote from the common node. The commutation circuit drives the motor according to a commutation cycle including three primary steps. During each primary step, one of the phases is driven while the other two phases are not driven. Voltages at the remote ends of the undriven phases are sensed, and timing signals are generated at points where the voltages coincide. The timing signals are used to determine motor position and speed, and to synchronize the commutation cycle with motor position and speed. In one embodiment, the commutation cycle includes transitional steps between the primary steps for smoother operation.

Abstract: One embodiment relates to modernizing a technical system, in particular a producing system with the aim of obtaining economic and technical advantages. The technical system comprises at least one drive mechanism provided with at least one drive motor powered by a power element, a torque controller controlling the power element and a speed controller prescribing the nominal value of the torque (Msoll) for the torque controller. When the determination of the nominal value of the torque (Msoll) for the torque controller by the speed controller is deactivated, a standard drive element is available. The drive element comprises at least one speed controller, a torque controller and a power element. The nominal value of the torque (Msoll) of the torque controller of the drive motor is determined by a speed controller of the standard drive element.

Abstract: Electric motor controllers that dynamically adjust a motor resistance parameter are described. In order to adjust the motor resistance parameter, power is applied the electric motor while the controlled vehicle is stopped and its brake is set so that the vehicle remains stopped while a measurement is taken that can be used to determine motor resistance. A new motor resistance value is then generated based at least in part upon the measurement(s) and the motor resistance parameter is set to the new motor resistance value. The new motor resistance parameter may then be used in the control of the electric motor. In some embodiments, the measurements are taken after the controller receives a brake release request but before actually releasing the brake. The described arrangement can be used in a wide variety of motor controllers and is especially well suited for use in low cost controllers that control motors that are susceptible to wide variations in their resistance such as brushed permanent magnet DC motors.

Abstract: A method of controlling a power converter in an electric drive machine is disclosed. The method may include determining a first switching frequency and determining a second switching frequency. The method may also include comparing the first switching frequency and the second switching frequency. The method may further include selecting a power converter switching frequency from the lesser of the first switching frequency and the second switching frequency to control a power converter.

Abstract: A safety drive unit (10) with a safety circuit (12) resets a flap or a valve into a specified safety position for controlling a gas or liquid volumetric flow, in particular in the field of heating, ventilation, and air conditioning (HVAC) fire protection and monitoring systems. The safety drive unit (10) essentially comprises an actuator (14) with a controllable electric motor (28), a capacitive energy storage unit (20), an energy converter (22) with a power module, and a power supply (18). During normal operation, the electric current in the power module of the energy converter (22) is converted to a lower voltage and stored in the capacitive energy storage unit (20) with at least one double-layer capacitor. If the voltage drops below a predetermined value or if there is a power failure, the stored electrical charge is converted back to a higher voltage by the same power module, and the electric motor (28) is activated until the specified safety position is reached.

Abstract: A method for controlling the movement of axles whose drives are connected for exchanging energy, in particular by connecting intermediate circuits of the converters respectively comprised by the drives, prior to the start of the movement, a predictive determination of the sequence of movements being performed, in the process of which first the time-critical axle is determined, then the travel profile of the time-critical axle is defined, then a respective total energy consumption is assigned to the possible travel profiles of additional axles, from these, the profile is selected that has the smallest total energy requirement associated with it, and then the movement is carried out.

Abstract: A torquer apparatus generally comprises a reaction-gyro sphere consisting of a concentric assembly of a substantially spherical rotor and a substantially spherical stator. This is implemented in the present invention as a rotor with magnetic poles such that, when radially projected on a concentric octahedron, the same symmetrical pattern is obtained on all faces of said octahedron, the polarity of the poles projected on two adjacent faces of said octahedron being opposite and a stator with at least twenty poles magnetized with coils and such that, when radially projected on a concentric icosahedron, the same symmetrical pattern is obtained on all faces of said icosahedron, said stator being-in nominal position-concentric with said rotor. Real-time measurements, or equivalent information, of the position of the rotor with respect to the stator are obtained together with exported torque from the stator, or the orientation of the rotor with respect to the stator.

Abstract: A drive and a method, including an electric motor, which is supplied by a rectifier, the rectifier including a time-discrete closed-loop control structure, which regulates the stator current of the electric motor by setting the voltage applied at the motor, the current of the motor being acquired in time-discrete fashion, the closed-loop control structure including a closed-loop controller whose actual value is a first current component of the current, the setpoint input of the closed-loop controller being coupled with at least one upstream setpoint limiter.