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1703results about How to "Simple control" patented technology

Long-stroke two-dimensional nano worktable system with angle compensation function

The invention discloses a long-stroke two-dimensional nano worktable system with an angle compensation function. A six-degree-of-freedom micro table designed on the basis of a piezoelectric ceramic actuator and a soft hinge chain carries out comprehensive compensation of linear positioning and angle errors on a long-stroke two-dimensional nano worktable. A driving mode that a stepping motor and a ball screw are combined is adopted, so a long-stroke two-dimensional nano worktable has a large pitching angle, a deflection angle and roll angle errors, and positioning precision is of micron size. The six-degree-of-freedom micro table has nanoscale linear positioning precision and millisecond-level angle positioning precision. The long-stroke two-dimensional nano worktable and the six-degree-of-freedom micro table are combined to form the long-stroke two-dimensional nano worktable system. Under control of a closed-loop control system, the six-degree-of-freedom micro table carries out the comprehensive compensation of the linear positioning errors and the angle errors on the long-stroke two-dimensional nano worktable, so two-dimensional long-stroke nano positioning is achieved.
Owner:HEFEI UNIV OF TECH

Flexible direct current transmission converter valve steady-state high-power running testing device and testing method

ActiveCN103033701ARealize power loop steady-state performance testMeet the requirements for concurrent testingElectrical testingElectrical resistance and conductanceRectifier diodes
The invention relates to a flexible direct current transmission converter valve steady-state high-power running testing device and a testing method. The testing device comprises an isolation transformer (TR1), a rectifier bridge (REC1) and a converter valve group. An alternating current input end of the rectifier bridge is connected with the isolation transformer. A direct current output end of the rectifier bridge is connected with the converter valve group. The testing device further comprises a BUCK-BOOST circuit which comprises an insulated gate bipolar translator (IGBT) module formed by an IGBT and an antiparallel diode, a resistor (R), a direct current bus support capacitor (C1) and a load electric reactor (L1). The resistor (R) and the IGBT module are connected in series and then connected with a direct current output end of rectifier bridge (REC1) in parallel. The direct current bus support capacitor (C1) is connected with two ends of a series branch circuit of the resistor (R) and the IGBT module in parallel and is connected with the converter valve group through the load electric reactor (L1). Through construction of a test platform which accords with the actual steady-state operation condition, the flexible direct current transmission converter valve steady-state high-power running testing device carries out steady-state power operation tests of a converter valve, carries out detection to current, voltage and temperature rising of components, and checks the correctness of design of the converter valve.
Owner:XJ ELECTRIC +1

Systems and methods for image presentation for medical examination and interventional procedures

Systems and methods which provide image presentation for medical examination, interventional procedures, diagnosis treatment, etc. from multi-dimensional volume datasets are shown. Reference indicators, providing information with respect to the relationship of an image to the physical world, are preferably provided to aid a viewer in interpreting the image. Such reference indicators may be provided in the form of tool markers and corresponding image marker. Degrees of freedom provided with respect to image manipulation are preferably selectively constrained to facilitate interaction with an image or images. Embodiments of the invention may implement a relatively simple bidirectional control to facilitate a survey of an entire image volume. Image display conventions may be provided which present images in a particular orientation to facilitate user interpretation of the image.
Owner:FUJIFILM SONOSITE

Radio remote address programmable two-way communication digital light control system

The invention relates to a radio remote control address programmable and bi-directional communication digital light control system, comprising a micro processor, a memory, a radio sending and receiving module, a LCD display, a plurality of keys, a photo inductor, a communication interface circuit for DMX512 and DALI and a plurality of system processing software. The invention has the advantages that the functions of on, off, timing and light-adjusting for the a wireless remote control light or a wireless remote control electric appliance are realized; a programmable online radio for user address setup is provided; the emitter can control the receiver as long as the emitter has the same address as the receiver; the communication is bi-directional while the control is unidirectional; the LCD of the emitter displays human-machine conversation and integrates the functions of time, temperature, timing and switch. The invention is suitable for the control and use of radio remote control light and household appliances in families, hotels, restaurants, companies and other locations.
Owner:李舒

Gesture-controlled mobile phone

The invention discloses a gesture-controlled mobile phone, which includes a baseband chip, and the mobile phone also includes a multi-channel proximity sensing unit connected to the baseband chip, and the multi-channel proximity sensing unit includes: an infrared LED An infrared LED array; an infrared detector connected to the infrared LED array, used to detect the reflected light of the infrared light emitted by each infrared LED; a gesture recognition module connected to the infrared detector, used to The reflected light of the infrared light recognizes user gestures; a gesture-command conversion module connected to the gesture recognition module is used to convert the recognized user gestures into instructions according to the preset gesture-command correspondence and send them to the baseband chip to execute. The invention enables users to realize gesture control on the mobile phone without touching mechanical keys and touch screens, and realizes smooth multi-point touch effect while achieving lower mobile phone manufacturing costs.
Owner:SHANGHAI SIMCOM LTD

Intelligent gesture and voice control system of curtain and control method thereof

The invention discloses an intelligent gesture and voice control system of a curtain and a control method thereof. The control system comprises a gesture collection unit, a voice collection unit, an identifying unit and an external equipment unit, wherein the gesture collection unit is used for obtaining a gesture movement of a user through a camera; the voice collection unit is used for obtaining a user instruction through a microphone; and after the identifying unit is used for respectively identifying and judging a gesture and a voice, information of two channels is integrated according to a time sequence relation of an identified information flow. The curtain can be operated according to an integrated result. According to the intelligent gesture and voice control system of the curtain and the control method thereof, gesture control and voice control can be independently used and also can be used in a combined manner, so that a user has more natural and harmonious experiences in intelligent home furnishing. The gesture and the voice are combined to control the curtain at the same time so that the problem caused by manually opening and closing the curtain in the existing family is reduced and the quantity of remote controllers in the family is reduced; and meanwhile, elderly people and children in the family, and disabilities can conveniently use the curtain.
Owner:SOUTH CHINA UNIV OF TECH

Full-automatic chemiluminescence immune analyzer and use method thereof

The invention provides a full-automatic chemiluminescence immune analyzer comprising a rack, and a sample introduction device, a reaction control device and an optical detection assembly which are arranged on the rack, wherein the sample introduction device comprises a reaction cup array mechanism, a reaction cup delivery rail, a sample adding gun head array mechanism, a reagent storage disc, a reagent filling rail, a sample conveying device, a sample storage disc, a first mechanical arm, a second mechanical arm, a third mechanical arm, a sample filling needle, a first reagent filling needle and a second reagent filling needle; the reaction control device comprises a reaction cup incubating disc, a primary magnetic separation rail, a secondary magnetic separation rail, a first cleaning and magnetic separation mechanism, a second cleaning and magnetic separation mechanism and a substrate filling mechanism; the optical detection assembly comprises a photomultiplier and a control circuit. The full-automatic chemiluminescence immune analyzer can automatically perform operations such as sample adding, reaction, data reading and the like in the chemiluminescence immune testing flow.
Owner:SHENZHEN YHLO BIOTECH

Virtual intelligent household simulation system and method

The invention discloses a virtual intelligent household simulation system comprising a household equipment layer, a storage service layer, and an application layer. Because the virtual reality technology is applied to the intelligent household design, the immersing experience and interaction for the intelligent household user as well as real-time controlling on intelligent equipment by the virtual reality experiencing person can be realized. With an intelligent equipment control interface provided by a virtual scene, a synchronous response between a virtual scene in a three-dimensional model and a household live scene is realized, so that basic function demands of traditional intelligent household controlling and displaying can be satisfied. Meanwhile, the user can roam or walk in a three-dimensional scene from various perspectives. On the basis of the control way, a real and visual effect is realized; and the operation interface has high interactivity. With the platform, a natural object information obtaining method and natural virtual interaction experience can be provided for the internet-of-things user; and real-time performance, precision, and stability requirements by related applications of the internet of things can be met.
Owner:GUILIN UNIV OF ELECTRONIC TECH

Device for detecting comprehensive performance of ball screw assembly in loaded state

InactiveCN103389205ARealize detectionReal-time detection of the number of rotationsMachine gearing/transmission testingCouplingBall screw
A device for detecting comprehensive performance of a ball screw assembly in a loaded state comprises a testboard machine body fixed on a cast iron platform, wherein a servomotor is arranged at one end of the testboard machine body; the output shaft of the servomotor is connected to one end of the ball screw assembly through a first coupler, a dynamic torque sensor and a second coupler; an eddy current sensor and a rotary encoder are arranged at the other end of the testboard machine body; a grating scale and an infrared temperature sensor are arranged on the testboard machine body; a rolling guide rail is arranged on the testboard machine body, and is provided with an analog working table; the analog working table is connected to the rolling guide rail through a rolling guide rail slide block, and is connected to a loading device; a ball screw assembly nut is arranged on the analog working table through a nut support base. The device is stable in properties, quick in movement and testing response speed, comprehensive and accurate in testing performance parameters, and simple in structure, and can realize the comprehensive performance detection of ball screw assemblies with different models in no-loaded states or loaded states.
Owner:XI AN JIAOTONG UNIV

Radiotelecontrol intelligent light control system capable of setting control light hint map

The invention discloses a radio remote-controlled intelligent light control system which can be provided with light controlling diagrammatic maps, and comprises a microprocessor, a memory, a radio receiving and transmitting assembly, a touch-screen LCD, a key, an optical inductor and system processing software. The same address of a transmitter and a receiver, as well as the self serial number of a lamp are set, so as to ensure that the transmitter and the receiver are established to form a multi-unit communication system; therefore, the radio remote control of the light or electric apparatus can be realized; the touch-screen LCD on the transmitter displays control results and the light position control diagrammatic maps. The light control system is suitable for use in households, hotels and restaurants, companies, etc.
Owner:李舒

Plume diagnosis device of electric propulsion engine

The invention discloses a plume diagnosis device of an electric propulsion engine, comprising a current collecting device, a current meter and a current collecting device moving part. The current collecting device consists of current collecting rings which are concentric and are different in size; the current meter is used for monitoring the current collected by each current collecting ring; the current collecting device moving part is used for realizing the movement of the current collecting device along the direction of plume axis of the engine so as to obtain current distribution at different axial positions; and the current collecting device obtains charged particle number density of the plume at different radial positions by the current collecting rings with different diameters. The invention adopts a device which is simpler, obtains the divergence angle of the engine plume and distribution condition of charged particles in the plume; and the operation and control in the diagnosis process are relatively simple and are easy to master.
Owner:BEIHANG UNIV

Vehicle air conditioner control system and control method

The invention discloses an automobile air conditioner control mode. An air quality control system is provided as a subsystem in an automobile air conditioner control system (11). An air quality inductor and an air cleaner are disposed in the air quality control system, are disposed at a ventilation position of the automobile air conditioner, and are connected with the air quality control system by a signal circuitry. The air quality control system is combined with the air conditioner control system, and the automobile air conditioner system is controlled by using a simple switch mode of the working mode. Each parameter of the air in the automobile such as temperature, humidness, air quantity or wind direction is controlled automatically, new wind is replenished and purified, air quality and riding comfort are enhanced, the control method is simple to be implemented, and convenience is provided for the old and babies especially.
Owner:CHERY AUTOMOBILE CO LTD

DC bus voltage following control circuit suitable for multi-path parallel LEDs

ActiveCN101754541AThe voltage value remains constantLoss minimizationElectric light circuit arrangementControl signalVoltage drop
The present invention discloses a DC bus voltage following control circuit suitable for multi-path parallel LEDs, which comprises a DC output power source, a DC output voltage control circuit and a load, wherein the output end of the DC output voltage power source is connected with the multi-path load formed by connecting control circuits and LED lamps in series. The present invention is characterized in that one path of highest voltage in the multi-path load is detected out by the DC output voltage control circuit, and a voltage signal which is detected out is converted into a constant circuit signal; the constant circuit signal and a voltage drop voltage signal of a LED are in a special proportion character, and then, a reference signal Vor of output circuit voltage is generated by resistance voltage dividing; the reference signal Vor is sent to the positive input end of a voltage ring as a reference signal; the reference signal is compared with an output voltage sampling signal Vosof another output end of the voltage ring, and a control signal is output to the DC output voltage source to output voltage Vo. The present invention has simple structure, and is suitable for variousconstant control circuits.
Owner:INVENTRONICS HANGZHOU

Power system of range-extended hybrid electric vehicle and control method thereof

The invention discloses a power system of a range-extended hybrid electric vehicle. The power system comprises an ISG, an engine, an EMS and an HCU. The ISG works as a starting motor of the engine or works as a generator. The HCU is connected with the EMS through a CAN bus and an independent cable. When the ISG works as the generator, the HCU transmits a target rotation speed signal and a target torque signal of the engine to the EMS through the CAN bus. The HCU further transmits an accelerator position simulation signal to the EMS through the independent cable. The EMS controls the engine to output rotation speed to reach target rotation speed and output torque to reach target torque. It is unnecessary to directly control the ISG by the HCU in the power generation process, so that the control mode of the HCU is simplified, the development difficulty of the range-extended hybrid electric vehicle is lowered, development time is shortened, cost is saved, and reliability is improved.
Owner:UNITED AUTOMOTIVE ELECTRONICS SYST

Touch control device and method thereof

A touch control device and a method thereof are disclosed. A driving voltage is applied to a first conductive layer of the touch control device. A second conductive layer is connected via scanning lines to a scan sensing circuit. To detect the location where a touch or depression occurs, the scan sensing circuit repeatedly and sequentially scans first ends of multiple elongate conductive strips that constitute the second conductive layer. The coordinates of the location of the depression is determined on the basis of the scanning result that the scan sensing circuit performs over the elongate conductive strips of the second conductive layer and the voltage that the first conductive layer applies to one or more of the elongate conductive strips of the second conductive layer that correspond to the location of the depression. The second ends of the elongate conductive strips of the second conductive layer can also be connected to the scan sensing circuit via scanning lines to allow the scan sensing circuit to perform scanning operation over the first and second ends of the elongate conductive strips of the second conductive layer in a sequential and repeated manner.
Owner:TRENDON TOUCH TECHNOLOGY CORPORATION

Dual-capacitor module based MMC type multi-port power electronic transformer

The invention discloses a dual-capacitor module based MMC type multi-port power electronic transformer. The transformer comprises a modular multilevel converter (MMC), a DC / DC converter and an inverter, wherein the MMC has two sub modules; the DC / DC converter comprises a primary part, a high frequency voltage transformation part and a secondary part, wherein the primary part has four kinds of selective topologies. The transformer can be operated on the high voltage direct current side at a low voltage; the transformer has fault ride-through capability, and relatively less devices are used; the module in the MMC and the DC / DC converter are responsible for direct current voltage control and power control respectively; a single capacitor voltage of the module can be controlled independently, or two capacitor voltages of the module can be controlled simultaneously; the transformer is equipped with the four ports, including a high voltage direct current port, a high voltage alternating current port, a low voltage direct current port and a low voltage alternating current port, so that the transformer is suitable for multi-kind high-voltage high-power occasions of multiple voltage levels, and particularly suitable for the energy internet; for example, the transformer can be used as an energy router, and the like.
Owner:SOUTHEAST UNIV

LC series resonance high frequency chain matrix-type inverter topology and resonance modulation method thereof

The present invention provides a LC series resonance high frequency chain matrix-type inverter topology and a resonance modulation method thereof. The topology comprises of a full bridge LC series resonance inverter, a high-frequency transformer T, a matrix converter and a CL-type filter which are connected in order. The modulation method is configured to process the SPWM wave through separation and link semi-excitation modulation logics to obtain driving signals of a transformer pre-stage LC series resonance inverter and a transformer post-stage matrix converter so as to allow the work duty ratio of the transformer pre-stage resonance circuit excitation resonance work state in the resonance half period to be controllable and realize the control of energy side transmission to the output load. The transformer post-stage matrix converter is modulated and decoupled to two common current-type inverters for controlling, a switch tube performs switching during the zero current outputting to realize zero current switching to avoid causing voltage overshoot problems and realize energy bidirectional flow and four-quadrant operation. The power transformation grades are few, the control method is simple, the circuit stability is high, and the like.
Owner:YANSHAN UNIV

Vehicle intelligent key device, vehicle remote control drive system and vehicle remote control drive method

A remote control system for remotely driving a passenger vehicle, comprising a key controller configured to receive a signal sent by a vehicle intelligent key device and to generate a remote signal according to the received signal, a body control module configured to control the passenger vehicle to enter into a remote control mode according to the remote signal, and an automatic transmission configured to control a gear of a gearbox of the passenger vehicle to switch according to the remote signal.
Owner:BYD CO LTD

Assemblied anthropomorphic manipulator based on imbedded shape memory alloy electric machine

A combined anthropomorphic manipulator based on embedded marmem motor is composed of a palm consisting of front palm and back, three fingers consisting of the drive segment and the driven segment, which are made of marmem (or shape memory alloy-SMA) motor, and a controller. Said ESMAA comprises U-shaped or straight-line SMA wire embedded in the silicon rubber cylinder and curvature sensor.
Owner:HUAZHONG UNIV OF SCI & TECH

Power-interrupting-free shifting speed changing box of electric vehicle and shifting control method of power-interrupting-free shifting speed changing box

The invention discloses a power-interrupting-free shifting speed changing box of an electric vehicle and a shifting control method of the power-interrupting-free shifting speed changing box. The speed changing box comprises a first gear pair mechanism, a second gear pair mechanism, a disc clutch and a shifting control mechanism, in the shifting control mechanism, a first gear overrunning clutch and a control overrunning clutch are mounted in corresponding gears, a control friction plate is fixed on a roller retainer and a roller shifting fork of the first gear overrunning clutch, a wave spring is mounted in an annular groove in an end surface of a second control gear, and a control pressure plate is axially pre-tightened through the wave spring, is clamped in the annular groove in the end surface of the second control gear and rotates along with the second control gear. By the shifting control method of the speed changing box, first gear engaging, second gear engaging and gear reversing actions can be realized and do not intervene. By the power-interrupting-free shifting speed changing box of the electric vehicle, the problem of interrupting of shifting power of the traditional AMT is solved, and a smooth speed ratio switching process can be realized. In addition, by the structure, a shifting fork and a shifting fork shaft are further omitted, the system structure is greatly simplified, and the total weight of a transmission is reduced.
Owner:青岛莱吉传动系统科技有限公司

Brush direct current motor speed regulation device with compensation feedback function and method therefor

The invention relates to the field of brush direct current motor speed regulating control, in particular to a compensation feedback speed regulating device of a brush direct current motor and a method therefor. The method realizes the speed regulating control to the brush direct current motor via acquiring and analyzing speed gain links of the voltage signal of the motor and current compensation control links of a motor working current signal; the speed gain links provide voltage feedback; and the current compensation feedback control links provide wasted current feedback used for compensating consumption and caused by the motor armature inner resistance; and a feedback controller of the device provided by the invention comprises the two links, and the device can also be used for achieving the method. The invention has the benefits that close-cycle control to the rotation speed of the motor is achieved via the speed gain link; an extra speed sensor is not required; the rotation speed deviation of the load change, which is caused by the motor armature inner resistance, is corrected by the current compensation control links; and the control is simple, the cost is low, and the universal property is high.
Owner:JIANGSU HAOFENG AUTO PARTS

Natural converting type hybrid high-voltage DC circuit breaker

The invention relates to a natural converting type hybrid high-voltage DC circuit breaker, and belongs to the field of DC circuit breakers applied to DC transmission distribution networks. The circuit breaker is formed by connecting a plurality of completely the same high-voltage DC circuit breaker modules in series though a disconnecting switch; each high-voltage DC circuit breaker module is on the basis of the natural converting type hybrid DC circuit breaker; each circuit breaker module comprises a main current branch, a main circuit breaker branch, an overvoltage protecting and energy absorbing branch and a measuring control system; the three branches are interconnected in parallel and are respectively connected with the measuring system; the measuring system controls the working time sequences of the three branches. According to the circuit breaker, active devices such as charging capacitor for assisting zero crossing are saved; the control is simple, the reliability is high, and the demand of domestic DC transmission network and DC distribution network on the DC circuit breaker can be met.
Owner:TSINGHUA UNIV

Object-loading robot which can move as well as climb stairs

The invention relates to the technical field of robots, in particular to an object-loading robot which can move as well as climb stairs. The problems in the prior art that a stair-climbing and object-loading robot is complicated in structure and low in cost performance and it is hard to popularize the robot are solved. The object-loading robot comprises a supporting frame, caterpillar band drive mechanisms, a wheel caterpillar mode switch mechanism, an object-loading platform posture adjusting mechanism, driving hub motors, universal wheels and a control unit, the caterpillar band drive mechanisms, the wheel caterpillar mode switch mechanism, the object-loading platform posture adjusting mechanism, the driving hub motors, the universal wheels and the control unit are arranged on the supporting frame, through the wheel caterpillar mode switch mechanism, wheel caterpillar switching can be conducted aiming at the flat movement state or the stair climbing state, and thus the multiple movement modes of the robot are achieved. The object-loading robot is low in cost, small in size, and light in weight; the robot is flexibly switched between the flat movement mode and the stair climbing mode, and is more suitable for serving as a portable auxiliary object-loading robot, the control method is simple, and thus the object-loading robot is convenient to popularize.
Owner:ZHONGBEI UNIV

Device for sampling shallow soil of extraterrestrial star

The invention relates to a device for sampling shallow soil of an extraterrestrial star. The device comprises two parts, namely a guide rail swing-arm type position mechanism and a terminal executing mechanism, wherein the guide rail swing-arm type position mechanism comprises a guide rail, a moving unit, a swing arm joint, a swing arm and a terminal joint; the terminal executing mechanism comprises a shovel, a ratchet wheel, a sample box and a connecting and separating mechanism; a position mechanism has the advantages of high rigidity, good flexibility and simplicity in the control method and can be used for completing tasks of currently frequently-used four-freedom-degree two-stage space mechanical arms besides sampling the shallow soil of the extraterrestrial star; the terminal executing mechanism mainly relies on a shoveling task method while a ratchet wheel rotary-digging task method as a subsidiary; soil samples can be obtained effectively; the device has functions of temporary storage and primary package for samples; in addition, the samples are transferred into an airtight packaging device on an ascender; and thedevice for sampling soil has a wide application range.
Owner:BEIJING SATELLITE MFG FACTORY

Controlling method and device for intelligent device

The invention discloses a controlling method and device for an intelligent device, and belongs to the technical field of terminals. The controlling method comprises the following steps: when first gesture motion is detected, preparing for switching of controlling relation; when second gesture motion is detected, determining a targeted controlled device; building the controlling relation with the targeted controlled device; acquiring third gesture motion; controlling the targeted controlled device to execute operation corresponding to the third gesture motion. According to the invention, after the switch of the controlling relation is prepared through the first gesture motion, and the targeted controlled device is determined according to the second gesture motion, and the controlling relation with the targeted controlled device is built; the third gesture motion is further acquired; the targeted controlled device is controlled to execute the operation corresponding to the third gesture motion; the targeted controlled device is controlled; as the controlling relation can be switched to the targeted controlled device through the gesture motion, and control of the targeted controlled device can be fulfilled through the gesture motion, the controlling manner is simpler; the flexibility of the controlling manner is improved at the same time.
Owner:XIAOMI INC

Waveform control method of digital oscilloscope

The invention discloses a waveform control method of a digital oscilloscope, comprising the following steps of: enabling the horizontal direction of a touch screen to correspond to a time shaft of an input signal and the vertical direction of the touch screen to correspond to an amplitude shaft of the input signal; dividing a passage position regulation area, a triggering level regulation area and a triggering time regulation area on the relative position of a screen within a screen area according to a passage position indicator, a triggering time indicator and a triggering level indicator of the digital oscilloscope, determining a waveform scaling regulation area by taking a waveform display area as a center; then determining the CPU (Central Processing Unit) of the digital oscilloscope to execute the following operation according to an area of the touch position of a user: executing current passage switching or moving a waveform along the vertical direction when the passage position regulation area is touched, executing current triggering passage switching or regulating a triggering level when the triggering level regulation area is touched, and moving the waveform along the horizontal direction when the triggering time regulation area is touched. The invention has the advantage that the user can intuitively control various user interface objects already displayed on the screen.
Owner:郑州麦科信电子技术有限公司

Somatosensory control method for upper limb rehabilitation robot and rehabilitation training strategy

The invention discloses a somatosensory control method for an upper limb rehabilitation robot and a rehabilitation training strategy. Kinect is used for collecting upper limb motion data, an upper computer is used for processing the motion data and obtaining a control signal, and a lower computer is used for transmitting the control signal to a servo driver to drive a wearable exoskeleton mechanical arm to drive injured limbs to carry out rehabilitation training. The rehabilitation training strategy includes bilateral limb mirror image synchronized rehabilitation training under the mirror image somatosensory control, master-slave rehabilitation training under the synchronized somatosensory control and semi-active rehabilitation training. Body movement somatosensory control is adopted, the control mode is more intuitive and natural and simpler, multi-joint real-time coordinated control can be carried out, and training of complex motions is convenient to achieve; a somatosensory master-slave real-time control mode is convenient for physical therapists to adjust rehabilitation training plans in real time; patients can drive the injured limbs to carry out healthy limb and injured limb bilateral coordination synchronized mirror image motions through own healthy limb motions, repairing of the cerebral neurons is more conveniently promoted, and the therapeutic effect of a mirror image therapy on the whole injured limbs is improved.
Owner:南通大学技术转移中心有限公司

Power-driven translation door driving device based on permanent magnet linear motor

The invention discloses a power-driven translation door driving device based on a permanent magnet linear motor. The device comprises the permanent magnet linear motor, a door hanging plate and a rolling guide rail mechanism. The permanent magnet linear motor comprises a motor stator and a motor rotor, the rolling guide rail mechanism comprises a guide rail and rolling wheels. The motor stator comprises a stator core and a stator winding. The motor rotor comprises a rotor core and a set of magnetic steel with the same structure and size, air gaps are formed between the motor stator and the motor rotor, the door hanging plate is fixedly connected with the motor rotor, the rolling wheels are arranged on the motor rotor, the guide rail is arranged on the motor stator, and the motor stator position is fixed; a hall sensor is arranged on the tooth groove position of the stator core. By means of the power-driven translation door driving device, a transmission mechanism in the power-driven translation door driving device of a rotating motor is omitted, and thus noise is reduced, stability is improved, service life is prolonged, and the device is simple in structure and easy to control.
Owner:NANJING JINQI NEW ENERGY POWER RES INST CO LTD

Combustion-engined setting tool

A combustion-engined setting tool for driving fastening elements in a constructional component includes at least one combustion chamber (11) for receiving an oxidant-fuel gas mixture, a piston guide (17) located adjacent to the combustion chamber (11), and in which a drive piston (15) for driving the fastening elements in is displaceable by combustion gases, a ventilator for creating turbulence in the combustion chamber (11), and a compression device (30) for compressing gases fed into the combustion chamber (11) and driven by the ventilator drive (21).
Owner:HILTI AG

Ground fault current compensation system and method for self-produced power supply phase power supply

The invention discloses a ground fault current compensation system and method for a self-produced power supply phase power supply. The system comprises a phase power supply generator, a phase power supply phase compensator, a fling-cut switch, a controller and a voltage transformation device. An output end of a phase compensator of a power supply is connected to a system neutral point through thefling-cut switch. The system can passively generate power distribution network power supply phase power supply and harmonic phase power supply and input anti-phase power supply phase power supply andthe harmonic phase power supply into the system according to fault logic. The complete compensation of power distribution network grounding fault reactive current, harmonic current and active currentis achieved, the defect that compensation is incomplete by adopting a power electronic device inversion injection method after electricity is taken from a bus system is overcome, and the problems thatan active inversion method has a poor metallic grounding compensation effect and a traditional arc suppression coil cannot achieve full compensation are solved. The system is efficient and accurate and can completely compensate overvoltage and overcurrent generated by a grounding fault, the safety of a power grid and equipment is guaranteed, and the risk of electric shock of a human body is completely avoided.
Owner:YUNNAN POWER GRID CO LTD ELECTRIC POWER RES INST
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