123results about How to "With adaptive function" patented technology

An enhancement type analog predistortion linear power amplifier, including a signal splitter unit, a first main power amplifier, a predistortion generation unit, a delaying filter, a error power amplifier, a 3dB electric bridge, a control cell and a receiver, the input end of the signal splitter unit is a radio frequency input terminal port, the input end of the first main power amplifier and the first input end of the predistortion generation unit are respectively connected to the output end of the signal splitter unit, the first output end of the first main power amplifier is connected to the input end of the delaying filter, the second output end is connected to the second input end of the predistortion generation unit, the output end of the predistortion generation unit is connected to the input end of the error power amplifier, the control cell controls every device, the output ends of the delaying filter and the error power amplifier are connected to the input end of the 3dB electric bridge, and the output end of the 3dB electric bridge is a radio frequency output terminal port. The enhancement type analog predistortion linear power amplifier provided by the invention has the advantages of improved ACPR, self-adapting function, considerably improved integral efficiency of power amplifier, thereby totally meeting the applied request of engineering.

The present invention discloses one kind of butt-jointing platform with several freedom degrees, and the butt-jointing platform is one self-regulating mechanical butt-jointing platform with adaptive control system. The self-regulating mechanical butt-jointing platform includes one support platform, one work platform and three planar regulating mechanisms in the same structure. It features that three planar regulating mechanisms and one servo mechanism set between the support platform and the work platform are distributed to form one square, and that three vertical regulating mechanisms in the same structure on the support platform are distributed to form one triangle. The present invention features the self adapting function including measuring the butt-jointing position and angle between the butt-jointed body and the butt-jointed cavity and regulating the position and angle automatically to ensure high butt-jointing quality and effect.

The invention discloses a self-adapting eyeglass lens cleaning and dust removal device, and relates to the field of lens cleaning. The device comprises a machine frame, a first motor, a second motor, a lens feeding conveying belt, a lens blanking conveying belt, a first cleaning mechanism, a lens dust removal device, belt wheels and a belt, wherein the first motor and the second motor are respectively fixed on the machine frame; an output shaft of the first motor is fixedly connected with the belt wheels so as to transfer the power; the belt is arranged on each belt wheel; through the clamping effect of the belts at the two sides on the edge of the lens, a lens conveyed from the feeding conveying belt is driven to move through the clamping effect of the belts at the two sides on the edge of the lens; the lens dust removal device comprises an air pump, a hose and a high-pressure air spray nozzle; the air pump is fixedly connected with the machine frame; the hose is connected with the air pump and the high-pressure air spray nozzle. The motors are used for driving the double belt wheels to rotate so that the lens advance under the effect of the clamping force of the belt; through the twice wiping cleaning by lint and the dust removal work of high-pressure air, the lens can be conveyed to a packaging machine by the blanking conveying belt.

The invention discloses a rocket-board computer dynamic character test method and system for controlling signal digital transmission, using a 1553B bus message to perform signal digital transmission. The method comprises: 1) according to a configuration file and a configuration parameter, obtaining various parameters comprising an input frequency feature point parameter, and an output result determination standard parameter; 2) according to the set input parameter, initiating an operation mode of a dynamic characteristics test system; 3) automatically generating input excitation for a tested object in a test item; 4) executing the dynamic characteristics test that is based on frequency feature point, backstoping an output result and storing a display; and 5) computing a deviation between the output result and a theoretical result, automatically determining whether the test result meets a requirement of a standard criteria, and obtaining a test result. The present invention provides a system for completing the method. According to the present invention, the method solves a problem of digital test of the dynamic character of the rocket-board computer in a rocke lanucher controlling system, and achieves construction application effects of digitization, automation and intelligentization of the dynamic character test.

This invention discloses a modeling method for on-line measuring 4-CBA contents based on limited -memory section of method of least square, which chooses nine most important process variables to 4-CBA content as assistance variables of flexible measuring model. And it employs the rolling correcting samples method of averaging and variance to bring information of old samples into the model to avoid missing information. The advantages of the invention are the following: 1, 4-CBA flexible measuring model is of linear model and of simple structure; 2, 4-CBA flexible measuring model is set up through rolling pattern with self-adaptation for systematic slow time-varying characteristics; 3, It employs l limited -memory section of method of least square to overcome saturation of sample; 4, the flexible measuring model of 4-CBA content is dynamic model with high accuracy.

The invention provides a self-adaption web crawler method based on machine learning. Because at present, software developers need to inquire about complex page codes and research rules to compile net crawler programs, no self-adaption programs exist to automatically guide crawlers to work and meanwhile the field of electronic commerce is not touched, the technical aim of mining a large number of data through the machine learning technology so as to position information related to the content on an unknown webpage needs to be achieved. The aim is achieved through the machine learning and data mining method. The method includes the main technical steps of data obtaining, characteristic extraction, isomerous data normalization, training data establishment, self-adaption training, learning method verification and self-adaption mode generation, the method is used for conducting position characteristic extraction and self-adaption training on the page codes of crawled websites, and a certain effect is achieved for research on self-adaption network crawlers in the field of electronic commerce.

The present invention relates to a modeling method of broadband radio frequency power amplifier. In the method, a memory-free non-linear nominal model is connected with a memory non-linear identification model in parallel so as to realize the modeling of the power amplifier PA. The modeling method makes full use of the prior knowledge of the PA, and adopts the mixed modeling idea which combines the traditional memory-free non-linear nominal model and the memory non-linear identification model, realizes the modeling of the broadband radio frequency PA, and greatly improves the performance of the whole PA model.

The invention relates to a distribution transformer with a self-adaptation function. The distribution transformer with the self-adaptation function comprises a distribution transformer body, an accessory of the distribution transformer body, an on-load capacitance and voltage adjustment integrated switch, an on-load capacitance and voltage adjustment comprehensive control device and a loaded side current transformer, wherein the distribution transformer body and the accessory finish the operations of voltage boosting and reduction, electricity transmission and on-loaded capacitance and voltage adjustment, the capacitance and voltage adjustment integrated switch finishes switchover of switching on and off the capacitance and voltage adjustment gears, the on-load capacitance and voltage adjustment comprehensive control device monitors and judges the operation state of the distribution transformer by monitoring the current data and voltage data, obtained through a current collecting unit and a voltage collecting unit, on the loaded side of the distribution transformer in real time and finishes control cover the on-load capacitance and voltage adjustment integrated switch, and the loaded side current transformer is used for providing the current data on the loaded side of the distribution transformer.

The invention relates to a crank block type under-actuated robot finger device belonging to the technical field of humanoid robot fingers and comprising a first finger part, a second finger part and an under-actuated joint. The under-actuated joint comprises a driving block, a joint shaft, a spring, a first shaft, a connecting rod, a second shaft and a drive plate; the spring is connected with the first finger part and the driving block; the connecting rod is respectively articulated with the driving block and the drive plate which is fixedly sleeved on the joint shaft; and the driving block is embedded in the first finger part. The device adopts the crank block mechanism to realize the rotation function of the second finger part, and the very short movement distance of the driving block can bring the large-angle rotation of the second finger part through reasonable dimension design; the device can coordinate with other driving fingers or driving joints to capture an object, has self adaptability, few driving parts, a short driving chain and low cost and is similar to human fingers, can be connected in series to form highly under-actuated multi-joint fingers and is applied to humanoid robot fingers.

The invention discloses an electronic accelerator pedal. The tail end of a pedal arm is provided with a force lag generating mechanism which comprises a base, two friction elements, a spring support and a spring; the two friction elements are arranged on two sides of the base, the spring support is arranged in an open slot at the upper end of the base, and the upper end face of the spring support is provided with a spring retainer which is arranged between a spring retainer of the spring support and a second spring retainer on a shell; and the lower end of the spring support is a wedge with a wide upper part and a narrow lower part, and two inclined planes at the lower end of the wedge are contacted with the end faces of the friction elements. The electronic accelerator pedal can generate good force lag effect and has good cost effectiveness.

The invention relates to the technical field of touch screens. A self-adaption virtual keyboard system comprises a micro-processor system, a touch position detection module and a display device, wherein a display frame of the display device comprises a keyboard frame containing English letters from A to Z of a standard keyboard; the micro-processor system is used for executing a keyboard adjustment program; when executing the keyboard adjustment program, the micro-processor system is used for promoting a user to input letters of at least three different positions; at least three pieces of coordinate information of at least three different touch points are respectively determined by the micro-processor system through the touch position detection module; when the coordinate information at the three touch positions does not completely coincide with coordinates of the three letters, the display device is controlled by the micro-processor system to adjust the size of the keyboard frame. As the technical scheme is adopted, the self-adaption virtual keyboard system is capable of automatically adjusting the keyboard frame according to different users, and has a keyboard self-adaption function.

The invention provides a keyless keyboard input system based on the wireless sensor network technique and an input method thereof. The keyless keyboard input system includes a terminal processing system and a keyless keyboard, wherein the keyless keyboard is composed of a plurality of sensor nodes, and the sensor nodes respectively located on finger joints of a palm are capable of describing hand contour and position relation among the joints of the hand. During typewriting, finger actions trigger the sensor nodes to detect different information, and the different information is recognized as identification features for carrying out the identification process of the keyless keyboard, then the identification features are transmitted to the terminal processing system through wireless communication, the terminal processing system processes the transmitted signal data, and then mode identification is carried out according to pre-stored table information matching with finger curvature, thereby finishing the text input process based on the finger curvature. With the input system, huge space occupied by the keyboard is saved during development of digital products, and the products are quite small in structure and bring great convenience for users.

This invention relates to a close-packed WDM and puts forward a gain spectrum automatic control method and its device for a multipump distributed Raman amplifier relating to close-packed WDM among which the method includes: setting a pump power initial value, applying signal power spectrum scanning, applying signal equivalent power progressive control and signal gain spectrum slope progressive control till meeting the power control requirement. The device includes an amplifier with multiple pump lasers, a light coupler a light detector, a control system and an outer communication interface. This invention can automatically realize gain spectrum constraint.

The invention discloses a signal acquisition device and a signal processing method for an alternating current power current-sharing output system, and belongs to the field of alternating current power current-sharing output. The signal acquisition device performs current and voltage acquisition on each single-phase power supply of an alternating current power supply and a current-sharing power supply to obtain accurate signals, so that the current-sharing control accuracy of a microprocessor for the current-sharing power supply is improved. By the signal processing method, the amplitude, frequency and phase of each single-phase power supply in the alternating current power supply and the current-sharing power supply can be accurately detected, so that the current-sharing control accuracy of the microprocessor for the alternating current power supply is further improved, and a load is prevented from being burnt down.

The invention discloses a one-way movable throttle valve, an outdoor unit of an air conditioner and a filling and operating method of the air conditioner. The one-way movable throttle valve comprises a valve body and a valve core, wherein a valve body is internally provided with a sliding cavity, the valve core is arranged in the sliding cavity of the valve body and can relatively slide relative to the axial direction of the valve body; when the valve core slides in the valve body in the axial direction, the valve core has a throttling state and a filling state; a throttling channel is arranged on the valve core, and a filling channel is arranged on the valve body; and when the valve core is in the filling state, the first end of the throttling valve is communicated with the second end through the filling channel; and when the valve core is in the throttling state, the second end of the throttling valve is communicated with the first end through the throttling channel. According to the one-way movable throttle valve, the outdoor unit of the air conditioner and the filling and operation method of the air conditioner, the production cost of the outdoor unit of the air conditioner can be effectively reduced, and the production efficiency is improved.

The invention discloses a realizing method for IEC61850 configuration software of compartment equipment of an intelligent substation. The treatment mode of combining the documents in various special formats with software programs is adopted; the documents are in user-defined formats and are used for detailing parameter attributes and software interfaces; the software programs are used for treating internal logics, manufacturing the software interfaces and generating SCL documents reaching the IEC61850 standard; the parameter configuration can be completed by loading the documents on the compartment protection equipment; and finally, IEC61850 configuration software is developed, so that the IEC61850 parameters of the compartment protection equipment in the intelligent substation can be flexibly configured. The method disclosed by the invention has the advantages of convenience in maintenance, stability in operation, flexibility in configuration, simplicity and easiness in use, convenience in transplanting, and the like.

The invention relates to a ship transformer excitation surge current restraining device which is connected between a power supply bus and a ship transformer. The restraining device comprises a miniature transformer, a rectifier, a voltage stabilization capacitor, an inverter and an output inductor, wherein the miniature transformer, the rectifier, the voltage stabilization capacitor, the inverter and the output inductor are sequentially connected. The primary side of the miniature transformer is connected with the power supply bus and the output end of the output inductor is connected with the ship transformer. The miniature transformer is used for increasing the voltage at the secondary side and achieving the function of isolation protection. Alternating current is changed into direct current through the rectifier. A charging capacitor is used for supporting the voltage at the direct current side and flat waves at the same time. The output inductor is used for filtering out high-frequency glitches. Compared with the prior art, the ship transformer excitation surge current restraining device has the advantages that the structure is simple, excitation surge current can be effectively restrained, the responding speed is high, and the restraining effect is good.

The invention belongs to the technical field of power system control and particularly relates to a plug-and-play power system stabilizer design algorithm. The plug-and-play power system stabilizer design algorithm comprises the steps of: building a local model by employing voltage of a high voltage side bus of a transformer at an outlet of a generator, carrying out linearization on equation sets of the model and then substituting the equation sets into a differential equation set and arranging the equation set into a matrix form; solving steady-state initial values of other variables according to system parameters and given variable initial values under a steady-state operating point; calculating an open-loop electromechanical oscillation mode as shown in the specification; designing the power system stabilizer by a phase compensation method; arranging the designed stabilizer on the generator for simulation verification; and changing the system operating state, namely changing output power of the generator, collecting a local signal again through an automatic collection device, designing stabilizer parameters after the operating state changes and carrying out simulation verification, thereby achieving the plug-and-play function and the robustness of the stabilizer under different operating states of the system.

The invention discloses an automatic calibration system and method based on an LVDT sensor. The system comprises a constant-frequency constant-amplitude signal generation unit, a channel gating and LVDT driving unit, an access gating low-noise pre-amplification unit, a programmable gain unit and a microprocessor unit, wherein the output end of the constant-frequency constant-amplitude signal generation unit is connected with the input end of the channel gating and LVDT driving unit; the output end of the channel gating and LVDT driving unit is connected with the input end of the access gatinglow-noise pre-amplification unit; the output end of the access gating low-noise pre-amplification unit is connected with the input end of the microprocessor unit; the output end of the microprocessorunit is connected with the input end of the channel gating and LVDT driving unit and the input end of the programmable gain unit; and the output end of the programmable gain unit is connected with theinput end of the access gating low-noise pre-amplification unit.

The invention discloses a method and apparatus for cleaning a ship navigating in an ocean comprising setting a plurality of RFID tags on both sides of that ship navigating in the ocean for navigate the movement of a robot, setting a plurality of RFID tags on both sides of the RFID tags, and setting a plurality of RFID tags on both sides of the RFID tags for navigating the movement of the robot. The robot is provided with an RFID tag reader and writer for respectively exchanging information with a plurality of RFID tags on the ship. The robot placed on the ship is released into the sea along the ship side, and the robot moves on the ship side according to the signal sent by the ship in response to the RFID tag reader / writer. When the robot moves on one side of the ship, it washes the ship according to the signal it detects to wash the ship. The method of the invention can carry out contactless line inspection cleaning on ships in navigation, get rid of the restriction of docks and wharves, reduce the loss of ship stopping navigation, prolong the life of the ship, enhance the capability of ocean navigation of the ship, and increase the navigation mileage.

The invention relates to a wave filtering method, which solves the problem of noise filtration when a pulse echo signal is intervened by noise from the view of signal processing. The method comprises the following steps: acquiring a transmitted pulse signal, and obtaining a frequency spectrum of the transmitted pulse signal through Fourier transformation; performing waveform analysis on the frequency spectrum of the transmitted pulse signal, and determining a geometrical structure of the waveform of the frequency spectrum; determining effective bandwidth of the frequency spectrum of the transmitted pulse signal; determining central frequency of the frequency spectrum of the transmitted pulse signal; designing a wave filter; acquiring an actually-measured pulse echo signal, and obtaining a frequency spectrum of the actually-measured pulse echo signal by Fourier transformation; multiplying the frequency spectrum of the actually-measured pulse echo signal by a frequency response function of the wave filter in a frequency domain to obtain a frequency spectrum of a detection echo signal after wave filtration; and performing Fourier transformation on the frequency spectrum of the echo signal in the step, and multiplying the transformed frequency spectrum of the echo signal by a shifted factor to obtain a filtered detection echo signal. The method is particularly applicable to detecting a weak pulse echo signal.

The invention discloses an abrasion-resistant gear with a self-adaptive function and a manufacturing method thereof. The abrasion-resistant gear has a pressure and temperature self-adaptive function and particularly can maintain good drive capacity for a long time when the gear temperature rises instantaneously. In order to solve the problem that TiNi alloy / ceramic bionic structure material gearsare difficult to manufacture by a traditional gear mechanical machining mode, the gear is prepared through a selective laser melting (SLM) according to the following steps: selecting mixed elemental powder, TiNi alloy powder or TiNi alloy / ceramic composite powder, importing a two-dimension slicing model of the gear into a control system of a 3D printing forming device, setting SLM-based 3D printing technical parameters, carrying out 3D printing forming of the gear under vacuum / inert gas shielding, and carrying out thermal treatment on the formed gear under vacuum / inert gas shielding. The service life of the gear is greatly prolonged under high loads, and the gear is a novel high-performance gear with broad application prospects.

The invention discloses a wheel type robot chassis. The wheel type robot chassis comprises a round base plate, front and back universal wheels and left and right driving wheels, wherein the front andback universal wheels and the left and right driving wheels are connected to the round base, the universal wheels and the driving wheels are arranged in a rhombus shape, and the driving wheels are connected with a driving device. The driving wheels and the driving device thereof are connected to the round base plate through an elastic hanging device, the round base plate is connected with a collision detection device, and the collision detection device comprises a plurality of air pressure testing modules which are evenly distributed on the peripheral edge of the round base plate, and the airpressure testing modules are used for outputting collision signals when the air pressure increases. When the road surface changes, the elastic hanging device has an adaptive function, so that the driving wheels are always in contact with the ground and always has the driving ability, so that the wheel type robot is suitable for both flat environment and uneven environment, and the obstacle climbing ability is high. The collision detection device can detect the external collision force of the robot through the changes of air pressure reflected by the air pressure testing modules at different positions and realize the all-round anti-collision.

The invention discloses a system for online monitoring of a mutual inductor based on a deep network. The system comprises a mutual inductor monitoring assembly, a mutual inductor performance evaluation assembly, a mutual inductor standing book maintenance assembly and a monitoring equipment management assembly. The mutual inductor monitoring assembly carries out real-time monitoring and alarm on various functions of a mutual inductor and mutual inductor monitoring equipment. the mutual inductor performance evaluation assembly determines a deep neural network model for mutual inductor metering performance evaluation based on a deep learning algorithm according to pre-collected mutual inductor parameters, outputs a performance evaluation result of the mutual inductor by using the deep neural network model, displays the performance evaluation result of the mutual inductor, and analyzes the trend of the performance evaluation result of the mutual inductor. The mutual inductor standing book maintenance assembly is used for maintaining the standing book of the mutual inductor. The monitoring equipment management assembly manages the standing book information of a plant station, the standing book information of the mutual inductor, the standing book information of the monitoring equipment and the system of the detection equipment.

The invention discloses a deformable wheel-track combined pole-climbing robot, and belongs to the technical field of pole-climbing robots. The robot mainly comprises an outer arm, a frame, an inner arm, an inner arm electric push rod, an outer arm electric push rod, an inner arm rotating motor component, an outer arm rotating motor component, a track module and a power module. The inner and outer arm rotating motor components are fixedly connected to the frame, the inner and outer arms are hinged to the rotating motor connecting pieces of the inner and outer arms, the two ends of an inner and outer arm electric push rod are hinged to the frame, the inner and outer arm frame bodies through hooke joints respectively, and the track module and the power module are arranged on the back and the front of a frame platform respectively. The inner arm and the outer arm are convenient to open, close and rotate, high in adaptability, easy in form conversion, high in pole climbing stability and good in universality.

The invention provides an active filtering circuit for preventing harmonic of a 400V power distribution system in a plant. The active filtering circuit comprises a slow starting circuit, a filtering circuit and an inversion circuit, wherein the slow starting circuit is connected with an A phase, a B phase and a C phase of a three-phase power supply, a rear end of the slow starting circuit is connected with the filtering circuit, a negative electrode of the filtering circuit is connected with a null line pole N of the three-phase power supply, the inversion circuit is connected in parallel withthe filtering circuit by a reactor, and a rear end of the inversion circuit is connected with an energy storage circuit and then is connected with the null line pole N of the power supply. By the active filtering circuit, each harmonic can be compensated, flickering can be prevented, reactive power can be compensated, various functions by a machine are achieved, the active filtering circuit is relatively reasonable in cost performance, the filtering characteristic is free from the influence such as system impedance, the risk of resonance with the system impedance can be eliminated, the activefiltering circuit has an adaptive function, the changing harmonic can be automatically traced, and the active filtering circuit has the characteristics of high controllability, rapid response and thelike.

The invention provides a weld zone machine vision device with a self-adaptive liquid crystal filter screen. The weld zone machine vision device comprises a current and voltage sensor, an embedded type control system, a touch displayer, the liquid crystal filter screen, a liquid crystal filter screen drive device, a digital camera and a camera external triggering controller. The embedded type system generates a triggering signal according to a welding current signal and an arc voltage signal which are collected by the current and voltage sensor and transmits the triggering signal to the liquid crystal filter screen drive device, and therefore the liquid crystal filter screen can be converted to the image acquisition state from the switch-off state. Meanwhile, the trigger signal is used as a frame trigger signal and output to the corresponding digital camera. By the adoption of the weld zone machine vision device with the self-adaptive liquid crystal filter screen, dynamic vision sensing with self-adaptive image acquisition moment, self-adaptive transmittance of the filter screen and self-adaptive image acquisition spectral region is achieved in the welding process.

The invention belongs to the technical field of sewage automatic treatment, and discloses a sewage treatment automation operating system implemented by utilizing a statistical modeling technology. The sewage treatment automation operating system comprises an integrated module, an early-warning module, a USAOS system, a communication module, a Web service system, a reporting module, a database system and a daily management module, wherein the integrated module is used for receiving and issuing instructions among an anaerobic module, a facultative module, an aerobic module, a sludge module, a dephosphorization module and a denitrification module, and the integrated module is connected with the early-warning module; and the integrated module sends code processing data to the USAOS system, the USAOS system returns a scheduling strategy to the integrated module at the same time, the USAOS system can further read alarming and early-warning information, the USAOS system issues an instruction to the daily management module according to the information, and the daily management module exerts the information on equipment. The sewage treatment automation operating system can achieve unattended operation, adjusts sewage flow and equipment operating parameters in a fully-automatic manner, sends out early warning, and can realize remote intervention and diagnosis.