41results about How to "Easy to modify and adjust" patented technology

The invention belongs to the technical field of unmanned aerial vehicle, and relates to a modular control method for a four-rotor aircraft, wherein the modular control method comprises the steps of (1), supplying electric power for each module of a control board by a power supply and a voltage stabilizing circuit, initializing each module after electrification of the control board, if a calibration signal is received, resetting a gyroscope, otherwise receiving data from a gyroscope module by a master control module and performing Kalman filtering, resolving an inclination angle by means of a quaternion for obtaining the current gesture of the aircraft, applying a four-rotor aircraft flight control method based on a digital PID algorithm, realizing an anticipated system performance through selecting a control gain, and adjusting the parameter of the four-rotor aircraft through upper computer software; and (2) outputting a PWM signal by the master control module according to the PID algorithm and driving a motor to operate through an MOS transistor, simultaneously detecting the current flight angle by the gyroscope module and performing feedback of the current flight angle to the master control module, receiving data from a remote controller by a wireless module and transmitting the received data to the mater control module for performing corresponding action. The modular control method has advantages of reasonable design and scientific principle.

The invention relates to a multi-version GIS slicing service system which comprises a file storage server, an application cache server, a slicing server and a client, wherein the file storage server is used for storing slicing associated files in layers according to types and versions, wherein the slicing associated files include a slicing data file, a slicing resource description file and a slicing index file, the slicing data file is used for storing slicing data information, the slicing resource description file is used for describing the type, grade, coordinate and version information of the slicing data, and the slicing index file is used for describing the index information of the slicing data; the application cache server is used for loading the slicing index information into the application cache server; the slicing server is provided with an access interface capable of receiving a slicing request and is used for receiving a slicing request of the client, acquiring the corresponding slicing index information and slicing data and returning the corresponding slicing index information and slicing data to the client; the client is used for sending the slicing request and receiving the returned slicing data. The system is capable of providing access and management for multiple versions of GIS slicing, and is simple in system structure and good in use effect.

The invention relates to a dynamic load simulation testing instrument and a simulation testing method. The dynamic simulation testing instrument comprises a servo motor, a servo driver with a moment driving mode and load setting and loading and parameter display software, wherein the load setting and loading and parameter display software can send a control command which simulates the position-moment relation of an actual mechanical structure to the servo driver through a bus for controlling the motion of the servo motor, and the servo motor is in reverse connection with a tested motor through a coupler. The simulation testing method comprises the following steps: controlling the operation of the simulation testing motor and the tested motor through the load setting and loading and parameter display software, using a PC (personal computer) to control the simulation testing motor driver to apply a moment which is reverse to that of the tested motor on the simulation testing motor by adopting the moment control mode through the load setting and loading and parameter display software, and further performing simulation testing on the tested motor. The simulation testing instrument and the simulation testing method have the advantages that the instrument has simple structure, and is convenient to operate and maintain; and the dynamic loads of various different mechanical structures, such as a cam and the like, can be simulated.

The invention relates to an interactive training courseware generation system and method based on webpage flow. The system comprises a content display setting module and a page skip setting module, wherein the content display setting module is used for inserting courseware content into a webpage and typesetting and editing the courseware content in the webpage, and the page skip setting module is used for setting multiple page skip events before entering a next webpage. According to the method, the courseware content is inserted into a content display setting area corresponding to the content display setting module, and subjected to typesetting and editing according to courseware requirements; then, the mode of entering the next webpage is set in a page skip setting area corresponding to the page skip setting module; next, the courseware content and the multiple page skip events continue to be set in sequence till all pages of courseware are set. Compared with the prior art, the interactive training courseware generation system and method based on the webpage flow have the advantages of being convenient to use, high in flexibility, good in interactivity, low in cost and convenient to share, facilitating data recording and the like.

The invention relates to the technical field of metal molding and casting, in particular to a method for quickly casting a large precision casting based on a 3D printing technology; through combination of a 3D printing and molding technology and a lost foam casting technology, by using special shell type coatings, a casting without the defects of recarburization, pores, slag inclusion or wrinkledskin can be cast, and the requirements of a high grade and complex structure and the precision casting can be met; and the method has the advantage of green, environmental protection and no pollution.The method comprises the steps of three-dimensional modeling, making of a fusible model and a special shell mold, boxing of the shell mold, negative pressure pouring and the like. The method has theadvantages of simple processing technology, no need of developing a mould, short production time, easy regulation and modification, low production cost, green, environmental protection and no pollution, and the molding process can be finished in real time; the requirements of individualization and customization cam be met; high quality products can be made, and massive casting and precision casting are both taken into consideration.

The invention provides a three-dimensional laser scanning-based land expropriation and housing removal physical goods investigation method and an investigation system thereof. According to the technical scheme of the invention, firstly, the point cloud data of a target object are obtained through the three-dimensional laser scanning technology, wherein the point cloud data are composed of the three-dimensional information of topography, houses and the appendage thereof, tree vegetation, bridges, special projects, power lines, communication lines and the like. Secondly, after the treatment of the related software, a ground feature model obtained by point cloud data is matched with images, so that a high-precision three-dimensional model is obtained. The method and the system have the advantages of low cost, simplicity, feasibility, rapidness, convenience and strong applicability, and meet the requirements of usability and convenience. A three-dimensional information system supporting platform is established for the planning design of involuntary resettlement and rehabilitation and the management of land expropriation and relocation for large and medium-sized water conservancy projects, so that the working efficiency is greatly improved. The accuracy of data and the intuitiveness of real objects are guaranteed, and the adjustment and the modification are convenient in operation. Meanwhile, detailed landform data can be obtained, so that the subsequent demolition workload can be conveniently and finely tracked and compared.

The invention relates to a construction progress plan optimal making method. The method comprises the steps that a corresponding BIM (building information model) is established according to a construction drawing, and lightweight processing is performed; the BIM is imported into BIM progress management software for integration; time parameters are given to all components in the BIM according to aconstruction progress plan in the BIM progress management software, so that the BIM is associated with the construction progress plan; the BIM progress management software is utilized to perform three-dimensional visual simulation on the BIM associated with the construction progress plan, the rationality of the construction progress plan is checked through the visual simulation, and unreasonable parts are optimized to form an optimized construction progress plan and a BIM associated with the optimized construction progress plan; and the construction progress plan in a required format is exported. Through the method, three-dimensional visual simulation on the construction progress plan can be realized, and modification and adjustment of the construction progress plan are convenient and fast.

A network access method used for the wireless digital communication, a wireless communication system comprises a number of wireless communication module, and each wireless communication module has its own baseband controller and radio transceiver, and the independent local clock, and it is characterized by: the base station comprises one or more above wireless communication modules, each wireless communication module occupying a band, and the band is divided into a management channel and several business channels; in addition, the single wireless communication module becomes the user terminal, and the user terminal can work not only in the management channel, also in the business channel, through frequency hopping to realize, and the wireless communication module of the base station sends and receives the information through the timeslot of the local clock definition, which processes wireless communication with one or more user terminals, and it has the advantages of high flexibility, scalability and portability, and it can be used in personal communication, LAN communication, industrial control, and other fields.

The invention discloses a shaft part parameter measurement system and method. The system includes an industrial computer, a hub, an image acquisition system, a motion control system and a grating scale. The method includes steps of determining whether to set a new shaft part type or select an existing shaft part type of the system; mounting shaft parts; selecting a measurement mode, including parameter measurement, shape and position measurement and image measurement; saving the measurement result; determining whether the quality of a to-be-tested part is qualified or not; measuring the same shaft part type or a newly-replaced shaft part type; saving parameters and outputting the result. The system and the method are advantaged in that measurement accuracy is high, the measurement speed isfast, measurement parameters are a lot, parameter measurement demands of various shaft parts can be satisfied, market changes can be better adapted, and the market prospect is broad.

The invention relates to a curved surface template segmentation method, a curved surface template segmentation device, computer equipment and a storage medium. The method comprises the steps of obtaining a to-be-segmented curved surface and a target segmentation unit size; extracting a first direction length and a second direction length of the target segmentation unit in the two curved surface directions from the target segmentation unit size; extracting a first structure line from the to-be-segmented curved surface according to the first direction length, determining a first segmentation point in the first structure line according to the second direction length, and generating a first isoparametric curve according to the first segmentation point; extracting a second structure line from the to-be-segmented curved surface according to the second direction length, determining a second segmentation point in the second structure line according to the first direction length, and generatinga second isoparametric curve according to the second segmentation point; and generating a segmentation line of the to-be-segmented curved surface according to the first isoparametric curve and the second isoparametric curve, obtaining a three-dimensional template segmentation model according to the segmentation line, and outputting the three-dimensional template segmentation model. By adopting the method. The working precision of curved surface template segmentation can be improved.

The invention relates to the technical field of metal molding and casting, in particular to a method for quickly casting a large precision casting based on a 3D printing technology; through combination of a 3D printing and molding technology and a lost foam casting technology, by using special shell type coatings, a casting without the defects of recarburization, pores, slag inclusion or wrinkledskin can be cast, and the requirements of a high grade and complex structure and the precision casting can be met; and the method has the advantage of green, environmental protection and no pollution.The method comprises the steps of three-dimensional modeling, making of a fusible model and a special shell mold, boxing of the shell mold, negative pressure pouring and the like. The method has theadvantages of simple processing technology, no need of developing a mould, short production time, easy regulation and modification, low production cost, green, environmental protection and no pollution, and the molding process can be finished in real time; the requirements of individualization and customization cam be met; high quality products can be made, and massive casting and precision casting are both taken into consideration.

The invention provides a special crankshaft multi-bend reversing machine. A hydraulic machine is fixedly installed on a single rectangular machine body vertical support, a sliding block with an upper die part is driven through a main hydraulic cylinder in a driving mode, the sliding block is in sliding fit to stand column longitudinal sliding rails on the two sides of the machine body vertical support in a sliding mode, a lower die part is installed on a lower support, a fixed die frame and a rotary die disc which correspond to each other in an up-and-down mode are assembled in the upper die part and the lower die part, a twisting arm is pivoted between stand columns on the two sides, and a pivoting center is coaxial with the rotary die disc. According to the technical scheme, a conventional three-beam four-column main machine structure is removed, device occupied space and land occupied areas are greatly reduced, operation space is accordingly released to the maximum degree, it is important that the twisting structure has the advantages that the power is high, and the maximum twisting corner is large in scope, the twisting quality and the twisting effect are guaranteed, and the machining efficiency is improved.

The invention provides an LED display screen control system supporting real-time editing. The LED display screen control system comprises a data storage module, a data transmission module, a display area and a window editing module, wherein the data storage module is connected with the display area and the window editing module and is used for storing the LED display screen data edited and configured by the display area and the window editing module, and the data transmission module is connected with the data storage module to obtain the configured LED display screen data, transmit the configured LED display screen data to the LED display screen and control the updating display of the LED display screen in real time; the display area is used for displaying a carousel screen picture, setting a carousel screen effect and synchronously updating the setting of the LED display screen in real time, the carousel screen picture and the LED display screen display the picture content and the information arrangement in proportion, and the window editing module is used for editing and adjusting the picture content and information arrangement condition of each carousel screen in a display areaand selecting a data transmission format. According to the present invention, the contents and effects of the LED display screen can be edited and set visually, the real-time synchronization is supported, the later maintenance cost is reduced, and the maintenance efficiency is improved.

The invention discloses a data management system and a technology transaction platform, and the system comprises a data management module which is used for the management of the basic data and user information of the technology transaction platform; a business management module which is used for managing the business application of the technology transaction platform and the interaction between the technology transaction parties; a resource management module which is used for gathering and integrating similar service parties and dynamically connecting service intermediary resources of all links of the whole transaction process so as to realize matching of requirements and resources; and a resource storage module which is used for storing various resource data related to the technology transaction platform. According to the invention, effective data management can be carried out on the technology transaction platform, accuracy and reliability of data interaction of the technology transaction platform are guaranteed, improvement of data management efficiency, resource utilization efficiency and operation reliability of the technology transaction platform is facilitated, and functions of the technology transaction platform are enriched. The system has high advancement, openness, expandability, stability and reliability.

The invention provides a flexible general assembly workshop process line structure based on an AGV, and belongs to the technical field of automobile general assembly. The general assembly workshop process line structure comprises a chassis assembly line, a final assembly line, an engine sub-assembly line, a tire mounting workstation, a cab sub-assembly line and an upender. The chassis assembly line and the final assembly line are both annular and arranged in parallel, the chassis assembly line is connected with the feeding end of the turnover machine, the discharging end of the turnover machine is connected with the final assembly line, and the engine split charging line, the cab split charging line and the chassis assembly line are located on the two opposite sides of the final assembly line respectively. The tire installation work station is arranged at the leaving end of the final assembly line. The chassis assembly line comprises a plurality of sets of first AGVs, and the final assembly line comprises a plurality of sets of second AGVs. And the civil engineering cost and the overall occupied space of a process line can be greatly reduced while general assembly machining of commercial vehicle products corresponding to various whole vehicle lengths is achieved, and the construction period is shortened.

The invention discloses a preparation method of hollow cactus-shaped carbon plate-carbon nanotubes. The method adopts a polydopamine-assisted interface induction strategy to convert ZIFs into hollow cactus-shaped carbon plate-carbon nanotubes, and the hollow cactus-shaped carbon sheet-carbon nanotubes can be applied to an electrocatalysis process. By coordinating the coordination between the precursors Zn and Co<2+> and introducing a PDA polymer, ZIFs@PDA can be obtained, and by means of the interface induction and confinement effect of PDA in the pyrolysis process, reasonable optimization ofthe components and structures can be realized simultaneously, and finally, acid treatment is carried out to remove part of metal particles in the Co-ZIFs@PDA pyrolysis derived carbon, thus obtaining the nitrogen-doped hollow cactus-shaped CS-CNTs. The CS-CNTs prepared by the preparation method disclosed by the invention have excellent ORR activity and durability in an alkaline solution.

The invention provides a cylindrical glass product mechanical clamping arm with two-degree-of-freedom adjustment. The cylindrical glass product mechanical clamping arm with two-degree-of-freedom adjustment comprises a driving motor, a motor fixing plate, an action arm and a glass bottle clamp, wherein the driving motor comprises a front driving arm driving motor and a rear driving arm driving motor; a front driving arm and a rear driving arm of a glass bottle clamp are respectively connected and driven by the front driving arm driving motor and the rear driving arm driving motor; a specific track is obtained through the mutual matching of the quadrangular driving arms; different glass bottle clamp movement tracks can be designed by adjusting the running speed, the angle and the relative position of the two driving arms, so that different production lines is adapted; and in addition, the swing and the clamping of the glass bottle clamp are controlled through the transmission of a servomotor and a gear, so that the clamping time point, the opening angle and the position of the glass bottle clamp is freely controlled, and the glass bottle clamp is suitable for cylindrical glass products such as glass bottles and cups with different specifications. The cylindrical glass product mechanical clamping arm with two-degree-of-freedom adjustment has the advantages of adjustable track, accurate control and suitability for cylindrical glass products with various specifications.

Embodiments of the invention disclose a suspension simulation system and method for an indoor decorative suspended ceiling, and an electronic device. The simulation method comprises the steps of pre-storing suspension parameters settable for a user; displaying the suspension parameters settable for the user in a predetermined form in an interactive interface; collecting an operation instruction input by the user, and according to the operation instruction, setting the suspension parameters in the interactive interface; and according to the set suspension parameters, generating a correspondingsuspension model used for previewing in the interactive interface. Compared with the prior art, the decorative suspended ceiling can be quickly simulated and the suspension model is generated; parametric setting enables drawing to be real, quick and efficient; basal classification is very concrete and detailed, thereby accurately estimating a project amount and a construction cost; and a previewing function greatly facilitates a designer to perform adjustment and modification.

The invention discloses a micro magnet cell capturing device and a manufacturing method thereof. The micro magnet cell capturing device comprises a micro fluid channel layer, a cell capturing chip anda permanent magnet, which are sequentially attached from top to bottom, wherein a groove is formed in the bottom of the micro fluid channel layer; and a micro fluid channel is formed between the groove and the upper surface of the cell capturing chip. The micro magnet cell capturing device is characterized in that the cell capturing chip comprises a base; the upper surface of the base and a corresponding position of the micro fluid channel form a cell trapping region; and a plurality of micro magnets which are uniformly distributed are arranged in the cell trapping region. The micro magnet cell capturing device disclosed by the invention has the advantages that the cell capturing rate can be increased, and cell damage is reduced; and the gathering of cells in the front section of the micro fluid channel can be reduced, and subsequent analysis and research of the cells is facilitated.

The invention relates to the technical field of injection mold production, and discloses an injection mold. The injection mold comprises a first fixing plate, a first mold plate, a second mold plate, a second fixing plate, a first mold core assembly, a first pressing block, a second mold core assembly and a second pressing block; the first mold plate is arranged on the first fixing plate; the first mold plate is provided with a first mounting hole and a first groove; the second mold plate is connected to the first mold plate; the second mold plate is provided with a second mounting hole and a second groove; the second fixing plate is arranged on the side of the second mold plate away from the first mold plate; the first mold core assembly is located in the first mounting hole; the first pressing block is detachably located in the first groove and used for pressing the first mold core assembly into the first mounting hole; the second mold core assembly is located in the second mounting hole; the second pressing block is detachably located in the second groove and used for pressing the second mold core assembly in the second mounting hole; and the second mold core assembly and the first mold core assembly define a forming cavity by enclosure. By the adoption of the injection mold provided by the invention, mold repairing and adjusting are convenient, and the production efficiency is high.

The present invention provides a method and system for investigating physical objects of land acquisition and demolition based on three-dimensional laser scanning. Through three-dimensional laser scanning technology, point cloud data of target objects can be obtained, including topography, houses and their appendages, trees and vegetation, bridges, and special projects. Special 3D information such as power lines, communication lines, etc.; through related software processing, the object model obtained from the point cloud data is registered with the image to obtain a high-precision 3D model. The invention has the advantages of low cost, simple operation, fast and convenient, and has strong applicability, meets the requirements of ease of use and convenience, and establishes a three-dimensional information system support for large and medium-sized water conservancy project resettlement planning and design and related expropriation work implementation The platform greatly improves work efficiency, ensures the accuracy of data and the intuitiveness of objects, and is easy to adjust and modify. At the same time, it can obtain detailed topographic and geomorphic data, which is convenient for detailed tracking and comparison of demolition workload in the later stage.

The invention discloses a data contrastive analysis system for oil product analysis. The system comprises a platform server, a data acquisition end, a user terminal and a database storage module, and the platform server is connected with the data acquisition end, the user terminal and the database storage module; the platform server comprises a data analysis module used for data processing, a pollution prediction module used for analyzing reasons of unqualified data and a result generation module used for generating oil product analysis results; the data acquisition end comprises a sample preprocessing module for preprocessing a sample to be detected, a sample component analysis module for processing the sample and a data integration module for integrating sample analysis data; the user terminal comprises a display module for displaying result data and a query module for querying data; data of to-be-detected oil are collected and analyzed, so that the oil condition is obtained, and a user can conveniently know and process the oil in time.

The invention discloses a shaft part parameter measurement system and method. The system includes an industrial computer, a hub, an image acquisition system, a motion control system and a grating scale. The method includes steps of determining whether to set a new shaft part type or select an existing shaft part type of the system; mounting shaft parts; selecting a measurement mode, including parameter measurement, shape and position measurement and image measurement; saving the measurement result; determining whether the quality of a to-be-tested part is qualified or not; measuring the same shaft part type or a newly-replaced shaft part type; saving parameters and outputting the result. The system and the method are advantaged in that measurement accuracy is high, the measurement speed isfast, measurement parameters are a lot, parameter measurement demands of various shaft parts can be satisfied, market changes can be better adapted, and the market prospect is broad.

The invention relates to a dynamic load simulation testing instrument and a simulation testing method. The dynamic simulation testing instrument comprises a servo motor, a servo driver with a moment driving mode and load setting and loading and parameter display software, wherein the load setting and loading and parameter display software can send a control command which simulates the position-moment relation of an actual mechanical structure to the servo driver through a bus for controlling the motion of the servo motor, and the servo motor is in reverse connection with a tested motor through a coupler. The simulation testing method comprises the following steps: controlling the operation of the simulation testing motor and the tested motor through the load setting and loading and parameter display software, using a PC (personal computer) to control the simulation testing motor driver to apply a moment which is reverse to that of the tested motor on the simulation testing motor by adopting the moment control mode through the load setting and loading and parameter display software, and further performing simulation testing on the tested motor. The simulation testing instrument and the simulation testing method have the advantages that the instrument has simple structure, and is convenient to operate and maintain; and the dynamic loads of various different mechanical structures, such as a cam and the like, can be simulated.

The invention relates to an in-situ separation and detection nuclear magnetic resonance radio frequency probe front end and a preparation method thereof. The charged particle filter pipe, the separation waste liquid discharge pipe and the bifurcation and split flow cooperation of the sample detection pipe, in a vertical magnetic field environment, charged The paramagnetic particles are acted by the radially outward Lorentz force, which can effectively shunt the charged particle filter pipe, the separation waste liquid discharge pipe and the sample detection pipe at the intersection, so that the separated paramagnetic particles The solution is discharged from the separation waste liquid discharge pipe. The invention has a simple and efficient magnetic substance filtration and separation structure, and has a flexible customized sample pipeline design, which is convenient to modify and adjust according to the needs of the experiment, effectively improves the detection signal-to-noise ratio, and can meet the requirements of various in-situ nuclear magnetic resonance detection. The invention is prepared by 3D printing, which can improve design flexibility, greatly improve efficiency, and reduce labor costs.

The invention discloses production and assembling equipment for a TST-PVC floor. The production and assembling equipment comprises a conveying rack, a feeding device, a printing device, a coating device, a drying device and a cutting device, wherein the feeding device is arranged at the left end of the conveying rack, and the printing device, the coating device, the drying device and the cutting device are sequentially arranged in a frame of the conveying rack from left to right; the printing device comprises a cantilever beam, deviation rectifying fixing plates are arranged at the front end and the rear end of the cantilever beam, deviation rectifying air cylinders are arranged on the two deviation rectifying fixing plates, deviation rectifying adjusting plates are arranged at the output ends of the two deviation rectifying air cylinders, deviation rectifying shafts are arranged at the left ends of the two deviation rectifying adjusting plates, the upper ends of the two deviation rectifying shafts are fixed on a tensioning beam, the tensioning beam is fixed at the top end of the conveying rack, an adjusting air cylinder is arranged in the middle of the cantilever beam in a sliding mode, and the output end of the adjusting air cylinder is fixed on the tensioning beam. The production and assembling equipment is compact in structure and high in working efficiency and has good market application value.

The invention belongs to the technical field of unmanned plane control, and relates to a modular type control panel for a four-rotor aircraft. A power supply and a voltage-stabilizing circuit are respectively in electrical connection with a main control module, a wireless module, a gyroscope module, and a motor and drive module, so as to supply power. The main control module is electrically connected with the wireless module, the gyroscope module, the motor and drive module, and is used for receiving and processing data information from the wireless module and the gyroscope module. The wireless module is used for transmitting control information, and the gyroscope module is used for detecting the flight attitude. The motor and drive module is controlled by a PWM signal generated by the main control module to supply power to an aircraft. The main control module and a gyroscope achieve data transmission and communication through an I2C protocol, and the main control module and the wireless module achieve data transmission and communication through an SPI protocol, so as to achieve the modular control of the four-rotor aircraft. The control panel is simple in overall structure, is convenient to install, and is easy to operate.

The invention belongs to the technical field of unmanned aerial vehicle, and relates to a modular control method for a four-rotor aircraft, wherein the modular control method comprises the steps of (1), supplying electric power for each module of a control board by a power supply and a voltage stabilizing circuit, initializing each module after electrification of the control board, if a calibration signal is received, resetting a gyroscope, otherwise receiving data from a gyroscope module by a master control module and performing Kalman filtering, resolving an inclination angle by means of a quaternion for obtaining the current gesture of the aircraft, applying a four-rotor aircraft flight control method based on a digital PID algorithm, realizing an anticipated system performance through selecting a control gain, and adjusting the parameter of the four-rotor aircraft through upper computer software; and (2) outputting a PWM signal by the master control module according to the PID algorithm and driving a motor to operate through an MOS transistor, simultaneously detecting the current flight angle by the gyroscope module and performing feedback of the current flight angle to the master control module, receiving data from a remote controller by a wireless module and transmitting the received data to the mater control module for performing corresponding action. The modular control method has advantages of reasonable design and scientific principle.