136results about How to "Simple programming" patented technology

The slide handler is an instrument that automatically transfers glass microscope slides from a cassette or magazine to a motorized microscope stage and then returns the slide back into the second cassette. The use of this instrument permits the unattended computer control, measurement and inspection of specimens mounted to the slides. Full modular integration of the system components allows for the slide handler instrument to be utilized with any microscope. The instrument system has a minimum of three components; namely a slide cassette indexer, an XY-stage, and a slide exchange arm. The indexer, the arm and the XY-stage are connected together and integrated into one unitary modular instrument that can be moved from one microscope to another.

A method and a system for programming an industrial robot to move relative to defined positions on an object. The system includes a geometrical model of the object, the real object, and an industrial robot. A plurality of measuring points are generated corresponding to different points on the surface of the real object expressed in a coordinate system associated with the robot. The system further includes a calibration module arranged to determine orientation and position of the geometrical model of the object relative to the coordinate system associated with the robot, a calculating module arranged to calculate the deviation between the measuring points and corresponding points on the geometrical model, and an adjusting module arranged to adjust the defined positions based on the calculated deviations.

The invention discloses a rapid sub pixel edge detection and locating method based on machine vision. The method includes the following steps that firstly, a detection image is acquired; secondly, denoising pretreatment is conducted on the image; thirdly, the gradient Gx of each pixel point in the horizontal direction and the gradient Gy of each pixel point in the vertical direction are calculated; fourthly, the gradient magnitude G0 and the gradient direction Gtheta of each pixel points under polar coordinates are calculated; fifthly, neighborhood pixel points of each pixel point are determined; sixthly, pixel-level edge points are determined; seventhly, the distance between a sub pixel edge point of each pixel-level edge point in the eight-gradient direction and the pixel-level edge point is calculated; eighthly, the distance d between each sub pixel edge point in the actual gradient direction Gtheta and the corresponding pixel-level edge point is calculated; ninthly, a cosine lookup table method is adopted for calculating rectangular coordinates of each sub pixel edge point in the actual gradient direction Gtheta, so that the image edge points are detected and sub-pixel-level localization is conducted. The whole method is high in calculation accuracy and speed.

An embodiment of the invention provides an equipment terminal, a control terminal, a server and an equipment terminal controlling method. The equipment terminal controlling method includes: receiving and analyzing an XMPP (extensible markup language-based messaging and presence protocol) based command transmitted from the server; converting the analyzed command into a UPnP (universal plug n play) protocol based command; and transmitting an analyzed UPnP protocol based command to a control module via a data interface, Via the equipment terminal, the control terminal and the server and the equipment terminal controlling method, the bottom-layer interfaces of the equipment terminal are unified, the defect of inconsistent interfaces when the equipment terminal is controlled by a local area network or a wide area network is effectively avoided, and automatic switching of controlling modes can be realized.

The invention discloses a method for displaying a webpage browsed by a mobile communication device. The method comprises the following steps of: receiving an operating command of a user in a browser interface, magnifying page display in the browser interface according to a proportion in the command when the command is to ''magnify the page with two fingers'' or ''double-click the page'', detecting whether words of text format exist in a display area by software after the page is magnified, if any, detecting the size of changed words, reading the changed size of the words, and automatically resetting the size of the words in a word setting area of a setting area of the mobile device (using the most approximate size of the words). Since automatic typesetting can be performed in the Android system after the size of the words is changed, automatic typesetting can be performed on the page. If no words of text format exist in the display area, the display state after magnification is maintained, and a user can wait for next operation. The problem of automatic typesetting after word magnification can be solved, and the user can easily read texts only by sliding the display area up and down after the words are magnified.

The invention relates to an oscilloscope with an improved front-end circuit. The oscilloscope includes the front-end circuit and a control processing module. The front-end circuit includes an input-stage buffer and addition circuit, a gain selectable amplifying module, an A / D conversion circuit and a D / A conversion circuit. The input-stage buffer and addition circuit is connected to the control processing module via the gain selectable amplifying module and the A / D conversion circuit sequentially. A gain selection output end of the control processing module is connected with an input end of the gain selectable amplifying module. The other end of the control processing module provides front-end-circuit offset signals via the D / A conversion module. The offset signals are output to the input-stage buffer and addition circuit. The oscilloscope improves a minimum resolution input by the ADC and reduces demands on the gain of a simulation front end and adopts switching of amplifiers of a plurality of gains in combination with digital gains so that cost is saved and a signal-to-noise ratio of input ADC signals is improved.

The invention provides an electromagnetic resonance control circuit, an electromagnetic heating device and a method for controlling a transistor. The electromagnetic resonance control circuit comprises a power module, a resonance circuit, the transistor and a controller, the resonance circuit is connected to the power module, the transistor is arranged between the resonance circuit and the ground, and used for executing the power-on or power-off operation according to pulse width modulation signals sent by the controller to control the work state of the resonance circuit, and the controller is connected to the power module and the control end of the transistor, and used for adjusting the duty ratio of the pulse width modulation signals sent to the transistor according to the change condition of voltages output to the resonance circuit by the power module to control the power-on time of the transistor. According to the technical scheme, the power-on time of the transistor can be controlled according to the voltages output to the resonance circuit, power output is increased in a low-voltage area, power output is reduced in a high-voltage area, the peak voltage and the peak current of the transistor are reduced under the condition of identical power, and therefore the transistor is effectively protected.

The present invention relates to a fluid-solid coupling computing method based on a fixed grid technology and belongs to the technical field of fluid-solid coupling simulation. The method comprises the following steps of: A, calling a grid dividing module which adopts two sets of grids including an overall physical area formed by fluid and solid and a solid area; B, calling a fluid field computing CFD module to update a fluid field state variable and simultaneously obtain a force applied to a solid boundary node by the fluid; C, calling a solid computing CSD module to update a solid state variable and simultaneously obtain displacement and speed of the solid boundary node; D, calling a result output module to output the solid state variable and the fluid field information to a file for use in post-processing; and E, judging whether to end computing. According to the fluid-solid coupling computing method, a movable grid module is successfully avoided, so that the computing resources for updating the grid are greatly saved; and the defect that the action force on a fluid-solid interface is hard to calculate accurately because of traditional complex inner grid updating and boundary grid control computing on the basis of movable grid technology can be overcome.

A robust video tool is provided for use in a machine vision inspection system. The robust video tool comprises a region of interest, a user interface, edge detection operations, and excluded region operations that determine a set of current-feature edge points which includes edge points detected in the region of interest and excludes edge points in an excluded region. The excluded region is determined by an excluded region generator, based on at least one previously characterized feature which is a feature characterized by using a video tool that detects the edge points of, and characterizes dimensional parameters of, the previously characterized feature. Importantly, the robust video tool features and operations are configured to allow learn mode programming on a workpiece that is either properly fabricated or improperly fabricated, and the resulting program will operate reliably on a run mode workpiece that is either properly fabricated or improperly fabricated.

The invention discloses a mobile terminal remote assistance method. The mobile terminal remote assistance method comprises the following steps: receiving webpage content submitted by an assistance-accepting party through a pre-established interface transmission channel between an assisting party and the assistance-accepting party in a remote assistance state, wherein the webpage content includes a currently-displayed user interface acquired from a memory of the assistance-accepting party by the assistance-accepting party; displaying the user interface of the assistance-accepting party included in the network content; receiving voice input, converting the voice input into a voice instruction, and transmitting the voice instruction to the assistance-accepting party through a pre-established control transmission channel between the assisting party and the assistance-accepting party; and updating and displaying an assistance-accepting party user interface which is acquired subsequently and included in the webpage content submitted by the assistance-accepting party in order that the assistance-accepting party user interface displays a picture activity process formed after the action of the voice instruction on the assistance-accepting party. Meanwhile, the invention also discloses a mobile terminal remote assistance-accepting method corresponding to the mobile terminal remote assistance method, and devices and equipment corresponding to the methods. Through adoption of the mobile terminal and mobile terminal remote assistance and remote assistance-accepting methods and devices, remote assistance operations become more convenient and efficient.

The invention belongs to the technical field of electric power automation, and concretely relates to an intelligent fiber differential protection synchronization method based on Beidou time service. The method includes the steps: a Beidou signal reception device receives a Beidou time service signal; a protection device uses the signal as a re-sampling pulse to realize re-sampling of multiple samples and interpolation calculation, and then synchronization of protected sampling data is completed; and when normally receiving the Beidou signal, the protection device calculates the transmission time of synchronous data in a fiber by utilizing an accurate absolute marker of Beidou clock synchronization. If the protection device cannot receive the time service signal and a synchronization mode is switched to a conventional synchronization mode, the time service signal of a Beidou satellite serves as a fiber differential protection synchronous signal to solve the problems of inaccurate synchronization and information security. Therefore, the synchronization precision is increased, and synchronization errors of the conventional synchronization mode due to imbalance of fiber channel transmit-receive time delays are avoided.

An expansion method of power system IEC60870-5-101 / 104 standard comprises the following steps: a station end main module judges ASDU class identifier according to the received downlink information, if the class identifier is equal to 8CH, a protection sub-module is used to process, otherwise, processing is carried out according to standard flow, the protection sub-module processes a protection instruction into internal format according to the content of an information object, carries out protection instruction operation and packs the obtained protection information into user-defined ASDU message format which is sent to the main module for processing; a dispatch end statue main module judges the received information, if the class identifier is equal to 8CH, protection information part is packed into the internal format which is sent to the protection sub-module, otherwise, processing is carried out according to standard flow, and the protection sub-module directly packs the protection instruction into user-defined ASDU message format which is sent to the statute main module for processing; the protection sub-module invokes corresponding protection dynamic library for processing after simple judgment according to the protection information sent by the statute main module.

The invention discloses a fixed-length cutting system achieved based on a floating cutting machine. The fixed-length cutting system comprises two floating cutting machines, a cutting machine frame, two rotating tube riding wheel sets, two rotating tube riding wheel frames, an inlet and outlet tube system, a positioning device, a proximity switch A, a proximity switch B and an automatic control system. Floating control is adopted for the cutting system, the operation stroke of a cutting oil cylinder is determined by the diameter of a product, the size of a cut piece and the maximum abrasion loss of the cut piece in each operation together, and actions of the fixed-length cutting system interlock mutually and are accurately performed according to the sequence of pipe feeding, pipe conveying, straight pipe positioning, cutting and pipe discharging. The fixed-length cutting system achieves automatic fixed-length cutting on pipes of various specifications, and is high in cutting quality and cutting efficiency and safe.

The invention provides an underwater acoustic communication processing platform. The platform comprises an FPGA; an analog / digital conversion circuit on a front end of a processing board is connected with a general purpose I / O interface of the FPGA, and a digital / analog (D / A) conversion chip on the front end of the processing board is connected with the general purpose I / O interface of the FPGA; a DSP is connected with the FPGA by a data bus with EMIFA interfaces inside and outside of a chip; a chip selector, a read-write control line and a partial address line of the EMIFA interface are connected with the general purpose I / O interface of the FPGA; two DDR2 external dynamic memories of 128M are connected with a DDR2 dedicated control interface on a DSP chip by the data bus; the data bus and the address line of a network transmission module are interconnected with the EMIFA interface of the DSP; the chip selector and a read-write control signal are connected with an general purpose I / O pin of the FPGA; the DSP controls the network transmission by the FPGA; and a serial communication circuit is interconnected with an MCBSP interface of the DSP. The platform greatly improves the communication ability, has small size and smart and diverse application, and can play a role in underwater target detection and navigation, underwater voice communication, ultrahigh speed real-time underwater acoustic communication and the like.

A collaurum test-paper counter used for detecting residue is prepared for fixing collaurum test-paper in test paper insertion slot and placing prepared test paper into case, fixing 1-2 of light source and a focusing lens as well as an electric charge coupler at proper positions in said case, connecting electric charge coupler to monolithic computer being connected separately to display and light source as well as CCD driving circuit, and connecting output end of CCD driving circuit to input end of electric charge coupler.

The invention belongs to the field of underground transportation, and discloses an underground unmanned dumper control system which comprises a plurality of dumpers, a plurality of fixed communicationmodules and identifiable tags. An underground driving route of each dumper is divided into a plurality of connected driving areas, and each driving area is internally provided with the correspondingfixed communication module and the corresponding identifiable tag; the identifiable labels are used for calibrating roadway driving directions; the fixed communication modules are used for communicating with the dumpers in the driving areas so as to obtain the vehicle positions and the vehicle numbers in the driving areas; a visual sensor, a controller and a wireless communication module are arranged on each dumper; the visual sensor is used for recognizing information of the identifiable tag, and the controller is used for controlling the advancing direction of the dumper and is further usedfor communicating with the fixed communication module to obtain vehicle number information and information about the distance from the vehicle to the current vehicle in the traveling area. According to the invention, unmanned driving of the underground dumper is realized.

The invention discloses an accessory milling head base. The accessory milling head base comprises at least one accessory milling head, and also comprises a support fixed on the base and a slide platform matched with the support through an upper guide pair for bearing the accessory milling head; a combined switch which is arranged on the lower side of the tail of the slide platform, the switch is transversally and uniformly distributed, and guide bar arranged downward; actuators which are arranged on the upper side of the support for triggering the combined switch, the actuators comprise longitudinally distributed accessory milling head actuators with the quantity corresponding to the quantity of the accessory milling head, the spacing of the actuators corresponds to the spacing of the accessory milling heads, the actuators correspond to the switch, and when the accessory milling heads is moved to the replacing position, the corresponding switch is triggered by the corresponding actuator; and a motor which is used for driving the slide platform through a mechanical drive unit. The invention provides an accessory milling head base which can realize automatic conveying of the accessory milling heads according to a numerical control command.

The invention provides a NAND flash controller with an instruction queue function, which is composed of a micro controller, a system interface controller, a system-side DMA (direct memory access) controller, a system memory access arbitration logic unit, a system memory, a NAND flash instruction queue memory, a NAND flash instruction queue execution control logic unit, a NAND flash DMA controller, a NAND flash data cache and a NAND flash interface controller. The whole implementation process of NAND flash instruction is controlled completely by the NAND flash instruction queue execution control logic unit, and participation of the micro controller is not needed. The controller of the invention can greatly simplify the programming design of a system, and improve the instruction execution speed of the system, thereby improving system performance.

The invention provides a method for correcting new energy power station grid connection performance evaluation indexes. The method comprises: a grid operation data interface which transfers the operating data of the grid to a critical section identification module; a critical section identification module which determines a critical section based on the data transmitted by the grid operation datainterface; a grid-assisted control decision-making module which provides assisted decision making; a new energy power station operation data interface which transfers the operation data of the new energy power station to a new energy power station grid connection performance evaluation software module; a new energy power station grid connection performance evaluation software module which evaluates the grid connection performance of the new energy power station based on the operation data of the new energy power station; a support vector machine model module for modeling; and a new energy power station grid connection performance evaluation index adaptive correction module which can sort evaluation indexes.

The invention discloses an alternating current charging control strategy suitable for the different working conditions of a hybrid MMC (modular multilevel converter). The alternating current chargingcontrol strategy comprises the following steps that: an alternating current circuit breaker is switched on, and full-bridge sub-modules and half-bridge sub-modules are subjected to uncontrollable charging; after the full-bridge sub-module enter controllable states, and the average voltage of the full-bridge sub-modules is greater than a certain value, and the T2 switching tubes of the all full-bridge sub-modules are switched on; when the average voltage of the full-bridge sub-modules and the half-bridge sub-modules reaches a set value, a sub-module voltage-sharing control strategy is enabled,the full-bridge sub-modules and the half-bridge sub-modules are sorted in a unified mode, a certain number of full-bridge sub-modules and half-bridge sub-modules are switched off step by step, the voltage of the full-bridge sub-modules and the half-bridge sub-modules is charged to approximate a rated value, and charging is completed. With the charging control strategy adopted, an MMC control system does not need to additionally judge the operation mode of the MMC, the access state of the MMC does not need to be judged, and therefore, controller program design can be simplified, and the reliability of the successful charging startup of the hybrid MMC is improved.

The invention discloses a method for preparing pure-phase monodisperse ZnS nanocrystalline by using diethylene glycol serving as a solvent. The method comprises steps of dissolving Zn (NO3)2.6H2O in the diethylene glycol, regarding the Zn (NO3)2.6H2O which is dissolved in the diethylene glycol as a zinc source precursor solution, dissolving thiacetamide and Polyvinylpyrrolidone (PVP) in the diethylene glycol, regarding the thiacetamide and the PVP which are dissolved in the diethylene glycol as a sulphur source precursor solution, pouring the sulphur source precursor solution into a flask with three necks which is provided with a condenser tube, feeding a nitrogen flow, heating, injecting the zinc source precursor solution of which the mol ratio of Zn and S is 1:1, conducting reflux for 10 minutes at the temperature from 180 DEG C to 200 DEG C, cooling to the room temperature by using water, cleaning centrifugally by using absolute ethyl alcohol, dispersing zinc oxide nanocrystalline in alcohol and sealing and storing the zinc oxide nanocrystalline. The zinc blende ZnS nanocrystalline which does not have any impure phases and is good in dispersibility is synthesized, the process is free from pollution, the device is simple, the preparation cost is low and the scale industrial production can be applied.

The invention discloses a programming algorithm for conical large-angle automatic fiber placement. Firstly, a numerical control placement device is adjusted to enable an axis of a rotary shaft on which a pressure roll is located to be in the same horizontal plane as a main shaft of a mould, and the placement device is adjusted according to a semi-cone angle of a cone to enable the pressure roll to be located at one end of the cone and perpendicular to a horizontal bus of the cone; secondly, the placement device is adjusted according to a relation between a screw angle of the cone and a screw pitch to enable a forward direction of the pressure roll to be along a tangent direction of a spiral line at the end surface; thirdly, the step length x of a fiber placement mechanism in the axial direction of a cone housing each time is set, and the step length xtan alpha of the fiber placement mechanism in a direction perpendicular to the axis of the cone housing each time, a main rotary angle defined in the specification and a rotary angle delta beta of the pressure roll are calculated; and finally, the rotary angle delta beta is subjected to computer language programming, and the motion quantity of each shaft, corresponding to the stepping of the fiber placement mechanism in the axial direction of the cone housing each time is output, so that the programming is finished.

The invention discloses a local and remote control panel of a soft starter of a hydraulic pressure station. The internal structure of the DSP control panel comprises a main control CPU, and the main control CPU is correspondingly connected with a power supply module PWR, a communication module CANopen, an input module IN, an output module OUT and a JTAG interface. The local and remote control panel achieves local / remote control and state display of the soft starter, supports the C and assembly mixing programming, and brings convenience to logic changes and function extension; the local and remote control panel is small and exquisite in size, simple in structure, easy to install and maintain, good in integration with a traditional hydraulic pressure station control part, long in service life, high in expansibility, simple in communication, good in protective performance and free of additional data acquisition cards, signals are isolated, the heat value of the local and remote control panel is low, the local and remote control panel can stably run in an explosion-proof box body, and a cooling system does not need to be additionally arranged.

The invention relates to a satellite platform system based on a novel topological structure and an integration method thereof. The satellite platform system at least comprises a load for receiving a remote control instruction of a measurement and control board to execute a corresponding operation, and platform equipment for receiving a remote measurement instruction sent by the measurement and control board to collect satellite working condition data and receiving a control instruction sent by the load and / or the measurement and control board to control satellite attitude change. The satelliteplatform system further comprises a computer board which is in data connection with the platform, the load and the measurement and control board. The computer board is configured to adjust prioritiesof executing algorithms in the platform equipment, the load and the measurement and control board in a manner of sharing at least part of data based on triggering of a conflict event when at least one of the platform equipment, the load and the measurement and control board executes an operation.

A conveying apparatus is provided with a control device for performing infinite rotation control of rotation of a strut or wrist shaft of a robot conveying an article and a drive shaft of a conveyor. The control device comprises a rotary shaft (6) rotationally driven, a drive (7) for rotating the rotary shaft, an encoder for detecting a rotation of the rotary shaft, a servo control device (22) for controlling the drive (7) based on a program command, a main control device (10) for controlling rotation, and an infinite rotation control device (12) for controlling infinite rotation. The program command is prepared and position control is carried out based on a reference encoder value. In the case of issuance of a command from a command circuit, by adding or subtracting an encoder value equivalent to a position-moving amount, the reference encoder value is changed and stored. Thus, it is possible to obtain a conveying apparatus capable of performing infinite rotation control under the state of maintaining any operation range at any deceleration ratio.

The invention discloses an intelligent positioning anti-theft system based on GPRS and the GPS and a signal transmission method of the intelligent positioning anti-theft system and belongs to the field of electronic detection communication. The Intelligent positioning anti-theft system based on the GPRS and the GPS comprises three parts, namely an intelligent positioning anti-theft host, a user terminal system and an article positioning system; the intelligent positioning anti-theft host is composed of a sensing unit, a conversion unit, a control unit, a communication unit and a power supply unit; the user terminal system is composed of a signal receiving and transmitting unit and a display operating unit, and the display operating unit comprises an alarm system; the article positioning system is an independent system solely composed of a positioning unit which has a communication function; signal transmission can be conducted in a mode of dual-bank one-way and manual two-way interaction communication or dual-bank one-way and automatic two-way interaction communication or dual-bank manual / automatic two-way interaction communication or signal transmission communication achieved through series connection closing of the three constituent parts. The intelligent positioning anti-theft system is low in cost, convenient to use, stable and reliable.

The invention discloses a programming system for a hub deburring robot. The programming system comprises a model processing module, a user interaction module, a deburring path generation module and an offline program generation module, wherein the model processing module is used for reading a three-dimensional model of a hub to be machined, then a machining path of deburring operation on the hubis selected in an interactive mode through the user interaction module and the deburring path generation module, and the machining path is discretized; discretized key points are selected to serve asfeature points of machining for the robot, posture information of the key points is added according to hub deburring technological parameters, a linear or circular arc transition mode between the keypoints is selected, and motion speed and acceleration parameters of the robot are added; and then according to the three-dimensional coordinate information of the key points and the related information, a program capable of being directly operated by the robot is generated through the offline program generation module.