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300results about How to "Environmental factors have little influence" patented technology

Method and device for display of navigation information

The invention discloses a method and a device for display of navigation information and relates to the technical field of map navigation. The method comprises the following steps: detecting whether a client side is in a screen-locking state; acquiring real-time navigation information applied to navigation of the client side in real time if the client side is in the screen-locking state to obtain navigation elements under the real-time navigation information; and based on an internal storage based on a pattern under the current screen-locking state, rendering the navigation elements under the real-time navigation information to a screen in the screen-locking state in real time. According to the method and the device for the display of the navigation information, the navigation information is displayed to a user in a picture form, so that the navigation information can be dynamically displayed on a screen-locking interface; the intuition performance is high, the influence of the environment in which a voice is located is reduced, the user can see the navigation application without unlocking the screen to perform a series of operations such as finding and switching to navigation application and then entering into a foreground so that the navigation can be implemented by directly seeing the navigation elements; the influence on the driving of the user is reduced.
Owner:BEIJING SOGOU TECHNOLOGY DEVELOPMENT CO LTD

Automatic stacking/reclaiming system for bulk cargo storage yard

The invention provides an automatic stacking / reclaiming system for a bulk cargo storage yard. The automatic stacking / reclaiming system comprises a stacker distributed in the storage yard and provided with a stacking cantilever, a reclaimer distributed in the storage yard and provided with a reclaiming cantilever, a first laser scanning device installed on the stacking cantilever and used for acquiring scanning data of the storage yard, a second laser scanning device installed on the reclaiming cantilever and used for acquiring the scanning data of the storage yard, a stacking positioning device and a reclaiming positioning device for acquiring GNSS positioning information, a stacker control device, a reclaimer control device, a remote stacking processing device and a remote reclaiming processing device. The stacker control device and the reclaimer control device acquire and output the GNSS positioning information, receive a stacking control signal and a reclaiming control signal, and control the stacker and the reclaimer to execute corresponding stacking / reclaiming actions according to the control signals. The remote stacking processing device and the remote reclaiming processing device receive a stacking instruction and a reclaiming instruction input by a peripheral user, acquire coordinate information of the corresponding storage yard according to the instructions, the scanning data and the GNSS positioning information, and generate stacking / reclaiming path information to serve as the stacking / reclaiming control signals to be output to the stacker control device and the reclaimer control device. The automatic stacking / reclaiming system is based on GNSS positioning, and is high in accuracy and low in cost, data can be shared, and automatic operation of the bulk cargo storage yard is achieved.
Owner:CCCC THIRD HARBOR CONSULTANTS

Landslide MIMO radar monitoring system and monitoring method

The invention discloses a landslide MIMO radar monitoring system and monitoring method. Emitting and receiving antennas of the system are an MIMO radar antenna array. Emitting and receiving time-sharing selectors are connected with emitting and receiving antenna array elements respectively. A system synchronization control unit is connected to the emitting and receiving time-sharing selectors through an antenna time-sharing control unit. The monitoring method is characterized by carrying out MIMO antenna array time-sharing emission and step frequency continuous wave signal reception; carrying out inverse Fourier transform and distance compression on echo data, carrying out phase discontinuous correction on radar echo data, calculating time delay compensation factor and carrying out beam forming method azimuth focusing to obtain a high-resolution complex image; carrying out continuous monitoring to obtain a plurality of complex images and forming complex image pairs; and calculating differential interference phase after complex image pair registering and extracting deformation value and carrying out early warning. According to the landslide MIMO radar monitoring system and monitoring method, non-contact remote monitoring is achieved, monitoring range is wide, azimuth resolution ratio is high, real-time performance is high, data acquisition is quick, system device is light and portable, and layout is adjustable.
Owner:GUILIN UNIV OF ELECTRONIC TECH

Digital laser explosion loading dynamic photoelastic experiment system

The invention discloses a digital laser explosion loading dynamic photoelastic experiment system, which comprises a laser, a beam expanding mirror, a field lens combination, a left 1 / 4 wave plate, a right 1 / 4 wave plate, an analyzer, an explosion loading device, an exploder, a digital high speed video camera and a computer. The laser sends out continuous line beams which are converted into circularly polarized light through the beam expanding mirror, a field mirror and the 1 / 4 wave plate to be illuminated on a test sample of the explosion loading device, the circularly polarized light are converged through the right 1 / 4 wave plate, the analyzer and the field mirror to be illuminated into a lens of the digital high speed video camera, and finally, the circularly polarized light is exploded by the exploder and shot by starting the digital high speed video camera to form an explosion loading image. The system record and analyze the broadcast information including process of stress saves in the test sample under explosion loads, stress time and space distribution and the like, an optical path is simple, requirements for experiment environment and experiment cost are low, period is short, precision is high, and continuous observation of the whole fracture process is achieved.
Owner:CHINA UNIV OF MINING & TECH (BEIJING)

Automotive wheel center actual driving displacement measuring and extracting method

ActiveCN106524967AEasy to installAccurate determination of passband frequency rangeVehicle wheel testingTime domainEngineering
The invention discloses an automotive wheel center actual driving displacement measuring and extracting method which comprises the following steps of a, mounting an acceleration sensor on a wheel center position of a to-be-tested automotive wheel and sampling acceleration data of the wheel center; b, performing smoothing processing on sampled acceleration data, and eliminating high-frequency noise; c, performing Fourier transform on a time domain signal of the acceleration data after smoothing processing in the step b for obtaining a frequency domain signal; d, performing two times of integration on the frequency domain signal for obtaining a wheel center displacement component; and e, performing inverse Fourier transform on the wheel center displacement component for obtaining a wheel center actual driving displacement signal. The automotive wheel center actual driving displacement measuring and extracting method has advantages of high convenience in mounting the sensor, relatively high detection sensitivity, relatively wide sampling frequency range and relatively low influence by environment factors. Furthermore, a Welch method is utilized for accurately determining a passband frequency range in integral transformation, eliminating high-frequency noise, improving integral transformation accuracy and improving measurement accuracy.
Owner:重庆理工大科技发展有限责任公司 +1

Portable grain information detection device

The invention discloses a portable grain situation detection device, comprising a shell which is provided with a gas collecting inlet and a gas collecting outlet; the shell is internally provided with a detection circuit which comprises a single chip microprocessor, a temperature and humidity sensor, a carbon dioxide sensor and a micro-typed pneumatic pump; the temperature and humidity sensor and the carbon dioxide sensor are connected with the single chip microprocessor which is connected with the micro-typed pneumatic pump by a power driving unit. The portable grain situation detection device can be held by hand for use, is convenient for carrying, has fast detection speed, simple operation and exact result, and can meet the requirement of grain situation detection in national grain depots. The portable grain situation detection device of the invention is suitable for the early detection of grain storage fungi and pest damages, and ventilation effect evaluation in a grain depot, and ensures the safety of the management personnel of grain depots.
Owner:ACAD OF STATE GRAIN ADMINISTRATION

Coal flow video detection method under complex background

ActiveCN103886290AReduce work intensitySuitable for the requirements of automated productionCharacter and pattern recognitionFrame differenceGranularity
The invention provides a coal flow video detection method under a complex background. Through the method, the granularity and the amount of coal on a conveying belt can be detected in real time through acquired video images. First, a granularity detection area and a coal amount detection area are set in the images to be used for detecting the granularity and the amount of the coal respectively; then, the edge strength of the image of the granularity detection area in the horizontal direction is detected, and thus the coal is divided into lump coal or powdered coal according to the granularity of the coal; finally, a three frame difference method is applied to the image of the coal amount detection area to obtain the coal area on the conveying belt, then, the smallest convex polygon enclosing the coal area is calculated, and the amount of coal on the conveying belt is obtained according to the ratio of the area of the convex polygon to the area of the coal amount detection area. According to the method, influences of environmental factors such as dust and light are little, and various ground and underground environments of a coal mine can be detected accurately in real time in the conveying process of production.
Owner:西安华光科技股份有限公司 +1

Indoor robot trajectory tracking system and method based on nine-axis inertial sensor

The invention discloses an indoor robot trajectory tracking system based on a nine-axis inertial sensor. The system comprises a mobile robot, wherein a sensor module, a sensor control module and an upper computer which are connected sequentially are arranged on the robot; when the robot moves, the sensor module can produce a triaxial acceleration value, a triaxial angular velocity value and a triaxial intensity value in real time, the sensor control module is used for performing operation control of the sensor module and data transceiving work, and the upper computer is used for processing obtained data and tracking the moving trajectory of the robot. The indoor robot trajectory tracking system is independent of GPS signals, is less affected by environment factors, can be used for trackingand positioning of the indoor moving trajectory of the robot in the environment without GPS signals and has higher accuracy and practical value. The invention further discloses an indoor robot trajectory tracking method based on the nine-axis inertial sensor.
Owner:常熟市长江不锈钢材料有限公司

DSP (digital signal processor) remote wireless upgrading method based on GPRS (general packet radio service)

The invention provides a DSP (digital signal processor) remote wireless upgrading method based on GPRS (general packet radio service), relates to a DSP remote wireless upgrading method and aims to solve the problem that optical fiber laying is time-consuming labor-consuming and difficult to maintain by a wired upgrading method. The method includes: a local server sends an upgrading instruction to a remote terminal device by a GPRS network, and the remote terminal device enters an upgrading mode after receiving the instruction and returns OK for response; the local server sequentially sends upgrading data frames, the remote terminal device checks the data frames and determines to be correct, and the data frames are stored into an external RAM (random access memory); and after all the data frames are sent, the remote terminal device erases a flash programming area inside a DSP and writes in program codes in the external RAM and reboots a chip to complete whole upgrading. The method is suitable for DSP remote wireless upgrading.
Owner:HARBIN INST OF TECH

End-carrying type large-diameter pile pier vertical bearing capacity detecting method

The end-bearing type large-diameter pile pier vertical load-bearing capacity detection method includes the following steps: a. according to the geological prospecting material estimating end-bearing capacity and frictional resistance value, designing and making load box; b. welding the load box on the full-length reinforcing cage end portion, hoisting and placing the reinforcing cage into the pile hole; c. cleaning pile hole, check and acceptance and pouring concrete; d. after the concrete strength is reached to 70%, slow-speed retaining loading process or rapid-speed retaining loading process to detect the load-bearing capacity of pile; and e. high-pressure injecting flow state expansion concrete into the load box. Its detection cost is low and its detection data are safe and reliable.
Owner:董天文

Real-time tracking system and method of mobile equipment

The invention provides a real-time tracking system and method of mobile equipment, applied to help improve tracking reliability and antijamming capacity of the mobile equipment. The system comprises a laser tracking base station subsystem and a tracking deviation feedback subsystem; the tracking deviation feedback subsystem comprises a receiving screen; the laser tracking base station subsystem comprises a controller, a driver, a horizontal motor, a pitching motor and a laser ranger; the tracking deviation feedback subsystem is used for processing an image acquired on the receiving screen and determining deviation information of a laser point relative to the center of the receiving screen; the controller is used for generating a control command according to the received deviation information and driving the driver to control the horizontal motor and the pitching motor, thus driving the laser ranger to rotate and allowing the laser ranger to send out laser to the center of the receiving screen. The real-time tracking system and method is applicable to the technical field of communications.
Owner:UNIV OF SCI & TECH BEIJING

Parking detection method and device based on fisheye camera, equipment and medium

The invention discloses a parking detection method and device based on a fisheye camera, equipment and a medium, and the method comprises the steps: obtaining a fisheye image collected by the fisheyecamera, and carrying out the correction of the fisheye image, and obtaining a to-be-detected image; inputting the to-be-detected image into a pre-trained vehicle detection model, and determining coordinate information of each vehicle in the to-be-detected image based on the vehicle detection model; and acquiring parking space area coordinate information of each parking space in the to-be-detectedimage, and determining whether a vehicle is parked in each parking space according to the coordinate information of each vehicle and the parking space area coordinate information of each parking space. According to the embodiment of the invention, vehicle detection is realized based on the pre-trained vehicle detection model, the influence of environmental factors is small, and the detection accuracy can be ensured even in a poor environment.
Owner:ZHEJIANG DAHUA TECH CO LTD

Intelligent alarm rain gauge

The invention relates to an intelligent alarm rain gauge, which comprises a rain gauge, an alerter and a measuring cylinder, wherein the lower part of the measuring cylinder is provided with a water drain valve and a pressure sensor; the pressure sensor is connected with the alerter and is installed on a fixed seat, and the pressure sensor is connected with the alerter through a cable; and the alerter comprises a case, an LED (Light-Emitting Diode) display screen installed on the case, and a control circuit installed in the case. The intelligent alarm rain gauge has the advantages of simple structure, small size, no pollution, light weight, long service life and low standby power consumption and can not be polluted or corroded by dust, greasy dirt, moisture, salt mist and the like. The intelligent alarm rain gauge has the characteristics of simplicity in installation, convenience in maintenance and more humanized operation, and the intelligent alerter can be externally connected with a simple rain gauge or tipping-bucket rain gauge. A communication mode adopts standard RS485 communication. The intelligent alarm rain gauge also has the advantages of stable running, high reliability, high compatibility, high accuracy of measured values, small temperature drift and small influence from environmental factors.
Owner:湖北亿立能科技股份有限公司

Food-grade lipid Pickering emulsion and preparation method thereof

The invention belongs to the technical field of food, medicine and cosmetics processing, and discloses a good stability and high safety food-grade lipid Pickering emulsion stabilized by a solid lipidnano-dispersion and a preparation method thereof. The food-grade lipid Pickering emulsion of the invention is prepared by performing homogenizing A on a vegetable oil and a solid lipid nano-dispersionhaving a mass ratio of 1:9 to 5:5; and preparing the solid lipid nano-dispersion by using fully hydrogenated vegetable oil as a raw material through steps of melting, homogenizing B and cooling. Thepreparation method has the advantages of simple preparation method and mild condition, the good stability and high safety food-grade lipid Pickering emulsion stabilized by the solid lipid nano-dispersion is milky white, the emulsion is fine, and a droplet size is 200-400nm; the emulsion has good stability and does not show delamination and oil separation after being placed for one month, has greatapplication potential in the fields of food, medicine and cosmetics, and can be used for transporting fat-soluble active substances.
Owner:SOUTH CHINA UNIV OF TECH

Massive thermal shock testing device of hyperthermal material

The invention discloses a massive thermal shock testing device of a hyperthermal material. The device comprises an upper environment module and a lower environment module, wherein upper heating furnaces and lower heating furnaces are correspondingly arranged in the environment modules; a sealing partition is arranged between the two environment modules; and a specimen prepressing mechanism is mounted at the top of the upper heating furnace and comprises a fixing frame, screws, springs and push fingers. A specimen introduction mechanism is mounted between the upper heating furnace and the lowerheating furnace in a penetrating manner; the upper end of the specimen introduction mechanism is connected with a speed reducer via a transmission shaft and then connected with a motor; the specimenintroduction mechanism is equipped with specimen retainers, specimens and a specimen guide pipe; and a cushion is mounted at the bottom of the specimen introduction mechanism and supported by a tray.The device has the technical effects that the device can ensure controllable initial speeds of the specimens to be tested, achieve testing of the specimens in the same lot at the different initial speeds and perform massive thermal shock resistance testing of the specimens, is high in efficiency, and can ensure thermal shock testing environments of the specimens in the same lot are good in consistency and testing results are high in reliability.
Owner:CHONGQING UNIV

Multi-wavelength Brillouin erbium-doped fiber laser with annular cavity based on Taiji structure

The invention discloses a multi-wavelength Brillouin erbium-doped fiber laser with an annular cavity based on a Taiji structure, which comprises a pump light source (6) and an annular cavity with a Taiji structure, wherein the annular cavity with the Taiji structure comprises a first coupler (1), a first single mode fiber (3), a second single mode fiber (4), a third single mode fiber (5) and a second coupler (2). In the annular cavity with the Taiji structure of the invention, the first single mode fiber, the second single mode fiber and the third single mode fiber have bilaterally injected pump light simultaneously, thereby effectively reducing the threshold value for generating Stokes signals and further being favorable for generating high-order Stokes signals. The EDFA is arranged outside the annular cavity, thus link loss and ASE noise in the cavity are reduced, and the system is more compact and stable. A commercial EDFA can be used for well inhibiting a self-excited cavity die and has a flat gain spectrum, thus multiple wavelengths can be stably output in a very wide range only by changing the input wavelength of a tunable laser.
Owner:SOUTHWEST JIAOTONG UNIV

Ultrasonic puncturing navigation method based on electromagnetic location

The invention belongs to the technical field of medical appliances, and relates to an ultrasonic puncturing navigation method, particularly to an ultrasonic puncturing navigation method based on electromagnetic location. The navigation method orderly comprises the following steps: A, tracking and collecting position information of a probe and a puncturing needle through a puncturing location system under the control of a navigation software subsystem, wherein the puncturing location system refers to an electromagnetic puncturing location system; B, transmitting the collected information to an ARM (Advanced RISC Machines) processor in the navigation software subsystem through the electromagnetic puncturing location system, and performing data correction and post treatment; and C, transmitting the information after being corrected and post-processed to an ultrasonic imaging equipment through the navigation software subsystem to realize visual display. The ultrasonic puncturing navigation method based on the electromagnetic location has the advantages of exact location, small volume and light weight; the method is nonradiative and is slightly affected by environmental factor; the puncturing needle path is displayed in real time; and the needle tip position can be clearly observed at random angle, the puncturing accuracy is improved, the hemorrhagic complication is reduced, and the safety is improved.
Owner:HANGZHOU PLATO TECH

On-line diameter measurement device for large-diameter solid of revolution

The invention discloses an on-line diameter measurement device for a large-diameter solid of revolution, and the device comprises a first measurement group and a second measurement group, wherein the first measurement group and the second measurement group are symmetrically arranged on two sides of a measured solid of revolution; the first measurement group and the second measurement group are symmetrical to the axis of the measured solid of revolution; the two measurement groups respectively correspond to two ends of the measured solid of revolution; each measurement group comprises a transmitting end for transmitting measurement lights, a receiving end aligned with the transmitting end and an adapting piece for connecting the transmitting end and the receiving end; the measured solid of revolution is positioned between the transmitting end and the receiving end; the measured lights are formed into blocked lights and residual lights after meeting the measured solid of revolution, wherein the blocked lights are blocked by the measured solid of revolution and can not be transferred to the receiving end, and the residual lights penetrate through the measured solid of revolution to reach the receiving end; the receiving end receives the residual lights and calculates the light band width of the residual lights; the receiving end inputs the light band width into a processor; and the processor calculates to obtain the diameter of the measured solid of revolution. The on-line diameter measurement device has the advantages of high measurement precision and low manufacture cost.
Owner:ZHEJIANG UNIV

Line locking welding and heat treatment integrated operation construction method

InactiveCN103643604ASafe construction is guaranteedAdaptableRailway track constructionCushionInstability
The invention provides a line locking welding and heat treatment integrated operation construction method, belongs to the technical field of online welding of steel rails, and is capable of solving the problem of instability of existing replacement construction and online locking welding technologies. According to the rail welding standard operation process, two zones for locking welding and pulling locking are formed, and the welding zone and the pulling locking zone in front of the welding zone can be constructed independently; according to a selected zone length L and a rail temperature difference, a corresponding pulling quantity delta L can be obtained, and rails are directly pulled for locking welding; during construction, fasteners in a range of 20 m from steel rails at a static end should be completely removed, gauge rods are used for locking the steel rails, and special rail cushion devices are placed under the steel rails, so that a line is elevated to produce a downward slope 1% of an original line. A rail welding vehicle climbs to a station and enables the steel rails at movable and static ends to be aligned, an air-pressure rail welding machine falls, and construction operations of rail pulling, welding, air blast cooling and pressure-maintaining heat treatment are sequentially completed through one-time clamping. The operation construction method is mainly applied to online welding of the steel rails.
Owner:SOUTHWEST JIAOTONG UNIV +1

Multi-base-station hybrid location method and device

The invention relates to a multi-base-station hybrid location method. The multi-base-station hybrid location method comprises the steps of reading pilot frequency information of base stations on the periphery of a terminal, and enabling the pilot frequency information to comprise arrival time difference and pilot frequency intensity of one or a plurality of cells; obtaining main cell PN, and determining position coordinates and sector ranges of serving base stations according to the main cell PN; calculating distances according to the corresponding arrival time difference of a cell PN at least comprising the main cell PN, and initially determining an area where the terminal is located according to the distances and the position coordinates and the sector ranges of the serving base stations; screening neighbor cell PN according to a threshold value of the pilot frequency information; performing correction refinement on the initially determined area according to the main cell PN and the pilot frequency information corresponding to the screened neighbor cell PN, and determining the accurate position of the terminal. The invention relates to a multi-base-station hybrid location device. According to the multi-base-station hybrid location method and device, the problem that consideration on environmental differences of base station signal transmission in different directions in an existing multi-base-station location algorithm is lacked can be solved, and errors in a time difference location technology caused by the influence of a wireless transmission environment can be reduced as far as possible.
Owner:CHINA TELECOM CORP LTD

Hydrodynamic force based unmanned aerial vehicle (uav) replenishment device

The invention discloses a hydrodynamic force based unmanned aerial vehicle (uav) replenishment device which is mainly applicable to the field of seaborne replenishment and is characterized by mainly comprising a water surface engine compartment, a connecting hose and a fuselage, wherein an engine is arranged in the water surface engine compartment, provides power for the entire replenishment device, and pumps seawater, the pumped seawater is conveyed to the fuselage by the connecting hose and then is sprayed out through a spray tube to generate thrust and provide power for flight of the fuselage. An object loading platform is arranged on the fuselage and used for carrying and transporting seaborne goods and materials. The hydrodynamic force based unmanned aerial vehicle (uav) replenishment device solves the problems that the existing replenishment device for seaborne ships is complicated in structure, longer in previous preparation time, liable to influence of sea wave and sea breeze, and has higher requirements for synchronization of two ships and has the advantages of being high flexibility and speed and being suitable for replenishment.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS

Special rhizobium-containing controlled release fertilizer for soybean as well as preparation and application thereof

The invention relates to a special rhizobium-containing controlled release fertilizer for soybean as well as preparation and application thereof. The fertilizer contains the following ingredients by weight parts: 10-25 parts of urea coated nitragin compound, 5-15 parts of sulphurated macromoleclar polymer coated urea, 8-18 parts of 5% humic acid coated urea, 35-40 parts of diammonium phosphate and 20-30 parts of potassium chloride. The invention further provides a preparation method of the special controlled release fertilizer for soybean. The dosages of the potash fertilizer, the phosphatic fertilizer and the enveloped nitrogenous fertilizer with the nutrients released at different periods are reasonably selected according to the rule of requirement of fertilization of soybean to form the special fertilizer with the double functions of inoculation and fertilization for soybean. Field experiments show that the utilization efficiency of the fertilizer can be obviously improved, and theyield of the soybean can be obviously increased.
Owner:河南豫邮金大地科技服务有限公司

Longitudinal welded pipe welding seam protrusion detecting system based on laser scanning

InactiveCN106323192AQuality improvementDetect pout defects in real timeUsing optical meansContact methodLaser scanning
The invention discloses a longitudinal welded pipe welding seam protrusion detecting system based on laser scanning. The longitudinal welded pipe welding seam protrusion detecting system comprises a transmission device, a two-dimensional laser scanning sensor and an upper computer, wherein the two-dimensional laser scanning sensor is arranged above a welding seam and used for scanning the welding seam along the axial direction of a welded pipe at equal distance, and acquiring two-dimensional contour data of the welding seam and radial cross sections of the welded pipe on both sides of the welding seam at different positions; the transmission device is used for adjusting the position of the two-dimensional laser scanning sensor; and the upper computer is connected with a controller of transmission device and the two-dimensional laser scanning sensor through commutation lines. The longitudinal welded pipe welding seam protrusion detecting system based on laser scanning adopts a non-contact method for detecting types of welding seam protrusions of the welded pipe, and has the advantages of easy implementation, high adaptability, high precision and the like.
Owner:HENAN POLYTECHNIC UNIV

Wireless charging positioning system and method, electric vehicle, and wireless charging emitting system

The invention discloses an electric vehicle wireless charging positioning system. The wireless charging positioning system includes a charging emitting end, a charging guide device, a charging positioning device, a charging receiving end, a positioning detection device, and a control device; the charging guide device generates a charging guide signal; the charging positioning device generates a charging positioning signal; the positioning detection device detects the charging guide signal and the charging positioning signal; the control device acquires a current operation parameter of an electric vehicle after receiving a charging start signal, generates a charging guide control signal according to the current operation parameter and the charging guide signal, generates a charging positioning control signal according to the charging positioning signal so as to position the charging receiving end and the charging emitting end; and the charging receiving end, the positioning detection device and the control device are arranged on the electric vehicle. The wireless charging positioning system is accurate in positioning, and can improve the charging efficiency. The invention also discloses an electric vehicle, a wireless charging emitting system, and a wireless charging positioning method.
Owner:BYD CO LTD

UWB-based ship berthing assist method and system

The invention provides a UWB-based ship berthing assist method and system. The system includes a data acquisition platform, a data processing platform and a data display platform. The method includes a first step, in which a data acquisition module acquires UWM node information in real time and transmits the information to a data processing module; a second step, in which the data processing module processes the information transmitted in the first step and obtains the contours of a dock and a ship, the distance from the ship to the dock, the angle and relative speed and early warning information; a third step, in which a data storage module saves the above information in real time and meanwhile transmits the information through the data transmission module to the data display platform so that an external client can assist the ship in berthing at the dock; and the first to third steps are repeated for data real-time update to achieve dock berthing assist function. The invention assists the ship in berthing through UWB positioning technology and network technology, and has the advantages of low cost, wide coverage, high positioning precision and small impact of environmental factors.
Owner:SHANGHAI JIAO TONG UNIV

Optical testing system used for ship model water surface experiment and testing method thereof

The invention discloses an optical testing system used for a ship model water surface experiment and a testing method thereof. The system comprises a water pool, a water pool guide rail, a reference plane module, a ship model, a laser range finding module, a data collection and processing module, and a power supply module. The system and the method can be used for measuring transverse metacentric radiuses and longitudinal metacentric radiuses of the ship model and a real ship, can also be used for collecting and processing rolling and pitching hydrostatic experiment data of the ship model and the real ship, and is capable of measuring and displaying the transverse metacentric radiuses, longitudinal metacentric radiuses, transverse angular displacements, longitudinal angular displacements, rolling movement hydrodynamic coefficients and pitching movements hydrodynamic coefficients of the ship model and the real ship in real time. The system is convenient to install, high in measurement precision and free from the influences of environment magnetic fields, and compared with a testing system composed of an inclinometer or an attitude instrument, the influences of environment temperature are substantially reduced.
Owner:JIANGSU UNIV OF SCI & TECH

Light-induction anti-soil anti-fogging self-cleaning resin glasses lens and preparing method thereof

The invention relates to a photoinduction anti-soil anti-fog self-cleaning resin lens and a producing method therefor. The resin lens comprises a resin lens substrate, a hard film layer arranged on the resin lens substrate, a antireflection coating covered on the hard film layer. The antireflection coating includes at least five layers of the film, wherein the outmost layer film is a TiO2-x-yCxNy film and the other layers film alternatively arrange by the TiO2-xCx flim and the SiO2 film and the first layer adjacent to the hard film layer is a TiO2-xCx film. The antireflection coating of the resin lens is prepared by the reactive magnetron sputtering technology on the resin lens plated with the hard film. The carbon doping of the titanium dioxide film is realized in the magnetron sputtering process by the reactive gas. The nitrogen doping is further realized by the plasma treatment to the carbon doped titanium dioxide film at the outmost layer of the antireflection coating. The resin lens has the advantages of many functions, stable performance, simple preparation process, low manufacturing cost and long-acting anti-soil anti-fog self-cleaning and anti-wear performance.
Owner:SCHOOL OF OPHTHALMOLOGY & OPTOMETRY WENZHOU MEDICAL COLLEGE

Vertical parallelometer

The invention discloses a vertical parallelometer. The vertical parallelometer comprises a marble platform. An L-shaped marble substrate is movably arranged on the marble platform. A guide rail is longitudinally arranged on a side surface, perpendicular to the marble platform, of the L-shaped marble substrate. A dial gauge capable of moving up and down is arranged on the guide rail. The dial gauge is horizontally arranged. A measuring head of the dial gauge is perpendicular to the side surface of the L-shaped marble substrate and is opposite to the side surface. According to the invention, the structure is simple, the design is reasonable and ingenious, the marble material is high in stability, environment factors have little influence on the marble material, and the marble material is easy to machine and relatively low in cost. The installation adjustment of the precise linear guide rail is relatively simple and convenient, an ordinary person understanding a little of the mechanical principle can carry out adjustment and self-correction to ensure the usage precision, and the vertical parallelometer is relatively practical. The integrated manufacturing cost is less than one tenth of that of an imported height instrument, so that the vertical parallelometer is rather economic and practical for occasions having usage requirements of verticality, parallelism and linearity.
Owner:东莞市鼎先激光科技股份有限公司

Chemical industry wastewater comprehensive treatment method

The invention relates to a chemical industry wastewater comprehensive treatment method which comprises a pretreatment system, a primary biochemical system, an ozone treatment system, a secondary biochemical system and an after-treatment system. By adopting the two biochemical treatment systems, the iron carbon treatment system is arranged before the primary biochemical treatment system, and the ozone treatment system is arranged between the two biochemical treatment systems so as to greatly enhance the biodegradability of the wastewater, so that the treated wastewater can satisfy the direct discharge requirement. The method is suitable for comprehensive treatment of various types of chemical industry wastewater, has the advantages of low treatment cost, high technical stability, high pollutant removal rate, stable and standard effluent water quality and the like, and is suitable to be widely used in chemical industry wastewater treatment.
Owner:浙江一清环保工程有限公司

Forest fire fast monitoring positioning system and monitoring positioning method thereof

InactiveCN106781185AImprove scienceImprove the ability to deal with in a timely mannerForest fire alarmsFire alarm electric actuationEngineeringMoisture sensor
The invention discloses a forest fire fast monitoring positioning system and a monitoring positioning method thereof. The system comprises a terminal node and a gateway node, wherein the terminal node and the gateway node are connected through a ZigBee wireless module; the terminal node comprises a first controller, a temperature and humidity sensor and a smoke sensor; the temperature and humidity sensor and the smoke sensor are connected whit the first controller; the gateway node comprises a second controller; the second controller is connected to a monitoring enter through a 3G network module. The forest condition is monitored in real time through the temperature sensor and the temperature and humidity sensor; the connection to the remote monitoring center is realized through the ZigBee wireless module and the 3G network module; the remote real-time monitoring and intelligent monitoring are realized; the forest monitoring and management scientificity is realized; the timely handling capability is improved. The forest fire fast monitoring positioning system and the monitoring positioning method also have the advantages that the control is simple; the cost is low.
Owner:GUIZHOU UNIV
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