143results about How to "Reduce training costs" patented technology

The invention relates to a welder training device, in particular to a multifunctional welding simulated training device which comprises welding simulator consisting of a welding torch handle, a welding stick handle, a motion device which drives the welding torch handle and the welding stick handle to move and a motion track arc length detector. Simulated welding stick melting devices are arranged in the welding torch handle and the welding stick handle. A computer controller controls the welding simulator to work and receives a signal of the motion track arc length detector. A display is connected with the computer controller. Drive programs of the welding simulator under various conditions of different welding methods, different welding positions and different welding specification parameters are stored in the computer controller. The display displays a human-machine alternation interface and the simulating welding process, and the interface is used for selecting corresponding simulation type and the automatic operation and the manual operation of the welding torch handle and the welding stick handle. The multifunctional welding simulated training device is sued for teaching the student step by step to ensure that the student grasps correct operation fast; after the training, the device can be sued for validating; and the device reduces the training expense.

The invention belongs to the field of aviation training, relating to a flight training data acquisition and quality evaluation system of an analog machine and a technical scheme thereof, in particular to the problems of acquiring the videos of flight data in a training system monitor of the analog machine, preprocessing an image after video frame graduation by applying an image processing technology, recognizing the flight data in the image by using a pattern recognition technology, carrying out three-dimensional simulation on a flight path in the training process of the analog machine so as to further carry out teaching evaluation, generalizing and summarizing typical problems, submitting the problems and flight training videos to a video server and providing a share and study platform. Under the conditions of keeping fully isolation with an analog machine system and avoiding a data communication channel with the analog machine system, the flight training data acquisition and quality evaluation system provided by the invention accurately acquires the flight data, reproduces the training process of a pilot and evaluates the quality.

The related simulation training device for Ar-arc welding operation comprises: a simulation torch with arc-striking switch, a simulation solder wire, some pieces, a master-control computer, a detector for the torch and wire position, and a helmet with a display connected with former computer to display the welding process menu. This invention applies new devices to improve current training with less cost and well efficiency.

The invention relates to a method and device for realizing automatic product configuration by utilizing spreadsheet definition rule. The method comprises the following steps: defining a spreadsheet structure and inputting product related / configuration parameters; reading matching rules of spreadsheet definition by a system; automatically completing product matching by the system; after matching operation is completed, obtaining BOM (bill of material) data of the product by the system; and supporting importing the BOM data of the product into a three-dimensional CAD (computer aided design) system for design verification. The device comprises a data reading module, a formula management module, a naming management module and a formula generating module. The invention has the following beneficial effects: the spreadsheet form is used for replacing the traditional logical judgement program expression form; and the system modifies configuration conveniently and can automatically carry out non-standard design and customized contract processing rapidly and accurately, thus improving the accuracy and reducing the production cost.

The embodiment of the invention provides a Dump document analysis method, device and system. The method includes the steps of receiving a Dump document, scanning the Dump document through a scheduling and debugging analysis engine to obtain a Dump document analysis log, analyzing the Dump document analysis log to extract a Crash fundamental feature, generating a Crash auxiliary feature according to the Crash fundamental feature, and judging the Dump document on the basis of the Crash fundamental feature and the Crash auxiliary feature. After the Dump document analysis method is applied, automatic analysis on the Dump document is achieved, the analysis efficiency of the Dump document is improved, the software Crash problem can be rapidly positioned and solved, and therefore stability of software is improved.

The invention belongs to the technical field of confrontation sample defense. The invention discloses an adversarial sample defense method and system based on VAE-GAN. A variational automatic encoderVAE and a generative adversarial network GAN are used to denoise an adversarial sample, the VAE is used as a preprocessing model of a classifier to denoise the adversarial sample, and the GAN is usedto assist training of the VAE, so that an image result output by the VAE is closer to an original noiseless image. The adversarial sample defense method based on VAE-GAN provided by the invention belongs to input preprocessing, and learning migration can be carried out among different classification models; the original classification network does not need to be retrained, and the training cost islow; the classification precision of the original noiseless sample is hardly influenced; an adversarial sample is not needed, so that an external training adversarial sample is not needed; the defense effect on adversarial samples with low noise is also very good; the preprocessing speed is high, and the output image quality is close to that of an original noiseless image.

The present invention discloses a psychotherapy simulation system based on a virtual reality technology. Through the PC software (psychological training software), a PC is employed to connect with a virtual reality helmet to allow operators to enter the virtual environment and perform psychological disorder training in the virtual environment. Through combination with the biofeedback technology, namely, the help seeker's can be known at will in the treatment process to regulate the stimulating dose on the basis. The psychotherapy simulation system based on the virtual reality technology can allow crowd having psychological illness or obstacle to receive training more easily, can allow the crowd having the psychological illness or obstacle to perform treatment with no need for going to hospital, can allow the crowd having the psychological illness or obstacle to perform training at anytime and anywhere and can allow the crowd having the psychological illness or obstacle to actively perform assessment training.

The invention relates to a safety measure demonstration simulation display method and apparatus for current loop operation of a substation. The method comprises the steps of determining a display caseaccording to a safety measure of normalized current loop operation of the substation; according to the display case, collecting field materials, and according to the field materials, building a substation three-dimensional model required for the whole process of the normalized current loop operation by using specific three-dimensional modeling software; importing the substation three-dimensionalmodel to a virtual reality simulation display platform generated based on a Unity3D virtual reality engine, and based on the substation three-dimensional model, realizing a scene loading and scene resource management function, a scene stereo display and real-time rendering function, a function of man-machine interaction with a virtual reality hardware interaction device, and a safety measure demonstration process simulation display function; and performing safety measure simulation display for the display case on the virtual reality simulation display platform by utilizing a virtual reality simulation display device. Based on a VR technology, various operation process trainings are efficiently finished.

The invention discloses a three-dimensional cell dynamic culture reactor. An internal shell of the reactor is arranged in the external shell of the reactor with a clearance in between; the lower part of the left side of the external shell of the reactor extends into an air inlet pipe in the lower internal part of the internal shell of the reactor; the upper end of the internal shell of the reactor is provided with a sealing upper cover with an exhaust one-way valve; the side wall of the internal shell of the reactor is provided with a liquid outlet pipe; the lower internal part of the internal shell of the reactor is provided with a supporting plate in which a vent hole is formed; the supporting plate is provided with a lower waterproof breathable film of which the upper part is provided with a cell culture bracket; the upper surface of the cell culture bracket is provided with a waterproof breathable film; the lower end of the liquid inlet pipe is inserted onto the upper surface of the lower water; the liquid inlet pipe is communicated with the outlet of a peristaltic pump; the inlet of the peristaltic pump is communicated with a cell suspension bottle, a cell culture solution bottle and a buffer solution bottle; and the liquid outlet pipe is communicated with a cell suspension bottle, a cell culture solution bottle and a waste liquid bottle. When the reactor is used, cell dynamic inoculation and cell dynamic culture are realized, equipment is reduced, and the cell culture time is reduced. The reactor can be used for culturing adherent cells.

Provided is a numerical control machine tool and system, comprising a monitoring device and a numerical control device. The monitoring device is a holographic sight or 3D imaging device; the numerical control device comprises an input device, a display device and a control device. The three dimensional image shot by the monitoring device is displayed in the display device; the coordinate system and coordinate plane of the three dimensional image and the coordinate system and coordinate plane of the machine tool are superposed or have a determined position relation; angles between a workpiece and three coordinate planes of the machine tool on three work planes can be directly displayed or displayed through software; a index unit capable of rotating for a certain angle on a plurality of planes can be provided in a cutter clamping device or a workpiece clamping device; according to displayed angle values, a dial rotates for a corresponding angle, thereby superposing a processing reference surface and an ideal reference surface; each corner point of a workpiece, a center point, the center point of a workpiece, the circle center of a certain circle on a workpiece, and the axis coordinate of a column can be directly displayed or displayed through software in the display device, thereby rapidly setting a workpiece coordinate system.

The invention relates to a method for creation, editing, monitoring and / or optimizing the overall machine process of a programmable machine or installation, supported at the user end by a graphics editor. In this case, the programmable machine or installation is first of all assembled as a system of individual machine units which are involved in the overall machine process during particular time periods, by carrying out a number of partial machine processes. These partial machine processes of the machine units which are involved in the overall machine process are first of all synchronized with one another, after their definition, and are then configured. All of the above method steps are carried out on the basis of a two-dimensional flowchart (I), which is produced by the graphics editor,in the chart area of which symbols relating to the associated process are entered for all the partial machine processes involved in the overall machine process. In this case, the process symbols are positioned or repositioned by the graphics editor such that they are arranged in one machine component dimension corresponding to their association with a machine unit and in a time dimension corresponding to the synchronization of their associated partial machine processes with further partial machine processes of the same machine unit or with partial machine processes of other machine units.

The invention discloses a virtual practical training operating system for lifting of a main shaft of a coal mine. The virtual practical training operating system for lifting of the main shaft of the coal mine comprises an upper computer module, a lower computer module and a digital-to-analogue module. An equipment operating platform is manufactured according to the proportion of 1:1 with the virtual reality technology, the three-dimensional animation technology, the computer control technology and the like, the underground equipment operating environment reappears, the equipment working principle and actions are simulated, underground equipment is carried to a laboratory, multi-person cooperating of the equipment can also be achieved, and the training mode of equipment operating of the coal mine is radically changed. The virtual practical training operating system for lifting of the main shaft of the coal mine is used for simulation training of a coal mine main shaft lifting system, can achieve co-simulation training of an elevator driver and a shaft bottom coal bunker signalman and is strong in visualization, good in training effect and capable of reducing the training cost. In addition, the virtual practical training operating system for lifting of the main shaft of the coal mine is simple in structure, convenient to operate and capable of achieving co-simulation training of the elevator driver and the shaft bottom coal bunker signalman.

The embodiment of the invention provides a method for establishing a multi-attribute recognition model, a device and a multi-attribute recognition method. The method comprises the following steps: inputting a sample image labeled with multi-attributes in advance to a first model for learning, and obtaining a characteristic matrix of each image in the sample image; the feature matrix of each imagebeing input to the second model for learning to obtain the semantics of each image; the first predictive value of each attribute being obtained according to the feature matrix, and the second predictive value of each attribute being obtained according to the semantic- spatial eigenmatrix; obtaining a second prediction value of each attribute by a spatial feature matrix, weighting and summing the first prediction value and the second prediction value to obtain a comprehensive prediction value of each attribute of each image; when the loss between the synthesized prediction value and the label value is stable in the preset threshold range, the multi-attribute recognition model can be obtained by learning. The embodiment of the invention can effectively utilize the labeling information to obtain the spatial and semantic association of the multiple attributes, and the recognition accuracy is high.

The invention discloses an intelligent numerical control machine tool, a robot and a system, which can perform the numerical control turning / milling / grinding / electrospark molding / linear cutting machining; and the robot is mounted in a cutter form, so that the floor area and the cost can be reduced. The intelligent numerical control machine tool, the robot and the system can identify drawings; after assembly drawings are input, the intelligent numerical control machine tool, the robot and the system can automatically find out related parts for assembly; and a machining cutter is used for machining such matching parts as dowel pin holes.

The invention discloses an iron tower defect detection system based on an aircraft. The iron tower defect detection system is characterized by comprising the aircraft flying around an iron tower, a positioning device for positioning the aircraft, an image acquisition and transmission device which is arranged on the aircraft and is used for acquiring an image of the iron tower and wirelessly transmitting the image to a server, and the server for receiving the image of the iron tower and performing defect detection. An inspection system of the iron tower defect detection system provides the precise positioning device, so that the control operation of the aircraft is simple when data of the image at the same angle are shot; the technology requirement on an operator is reduced, the training cost for inspectors is lowered, and the inspection work safety is improved.

The invention discloses a method of unifying graft and cuttage of camellia, which is characterized by comprising the following steps of: selecting a strong thick branch with a thickness of 1.0-2.0cm of camellia original variety; shearing into a branch segment with a length of about 8-15cm and washing with water; cutting a cut for graft on the upper end of the branch segment (the top end of growth) and respectively daubing the appointed hormone on the cut and the shear surface at the lower end of the branch segment; grafting a camellia grafting branch into the cut and fastening the outer branch segment of the cut by utilizing a rope to ensure that the camellia grafting branch and the root segment are firmly connected together; putting the grafted root segment on a seedbed paved with high air-permeability artificial substrate for a closed culture; and when the grafting part heals and new root forms at the base on day 45-60, transplanting to a field to culture after 4 months. The invention aims to overcome shortages in the prior art and provide the method of unifying the graft and the cuttage of the camellia with a low grafting cost and high survival rate.

The embodiment of the invention discloses an AR simulation driving method and system. The method includes the steps of selecting a training mode, projecting a virtual training scene in the training mode into a VR device in real time to display the virtual training scene to a trainee, collecting real-time reality image information of a bridge in the training process of the trainee in real time through a camera on the VR device, and projecting the real-time reality image information into the virtual training scene so that the trainee can have real-time operation simulation training on the basisof the real-time reality image information of the bridge. The camera is added on the basis of an existing VR technology, a man-machine interaction technology is realized through the organic combination of a virtual space and a real space, the system projects the virtual space onto a green screen (or screens in other designated colors) of a real space object, and then organic combination can be realized.

The invention provides a multifunctional digital electric energy measurement training simulation system, and relates to the field of electric power training. The training itself lacks a set of effective device and system at present. The system comprises two sets of digital measurement training simulation devices which are arranged in a spacing way. Each set of digital measurement training simulation device comprises a cabinet body, an electronic mutual inductor test module, a merging unit measurement experiment module, a digital electric energy meter experiment module, a digital measurement training simulation device full performance experiment module, a display module and a control module. The panel of the cabinet body is provided with multiple equipment interfaces so as to be connected with the electronic mutual inductor test module, the merging unit measurement experiment module, the digital electric energy meter experiment module and the digital measurement training simulation device full performance experiment module which are arranged in the cabinet body. According to the system, online real-time double competition can be realized so that the training efficiency is high, training is comprehensive and popularization and application of the digital electric energy measurement system can be accelerated.

The invention discloses an on-line examination management system and method. The system includes a management system used for managing an on-line examination and personnel related with the examination; an information management module for a system administrator to manage information of the personnel related with the examination; a statement management module used for inquiring examination information; and an examination management module used for managing the on-line examination. Compared with a paper examination, the on-line examination management system provided by the invention saves both time and labor, thereby greatly reducing training cost, the system can enable staff to have certain self-cognition for knowledge reserve of posts of themselves, thereby promoting self-learning of staffto improve abilities of themselves, an examination paper is automatically generated according to content of a large number of test questions in a question bank, thereby reducing the workload of examination affair, and improving work efficiency, and the problems of examination cheating and examination paper revealing do not exist, thereby ensuring fairness of the examination.

The invention discloses a collaborative and intelligent training method for aircraft maintenance. According to the method, a teacher draws up a maintenance task on a teacher computer; students perform cognition, operation, dismounting and fault-removing training to each system of the aircraft under an aircraft maintenance 3D (Three Dimensional) simulation environment; simultaneously, the students test vehicle-mounted systems in a cab simulator based on a three-dimensional layout according to fault effect display; a 3D scene processing server controls isomerism scenes in the aircraft maintenance 3D simulation environment on different student computers, and simultaneously supports three training modes of independent maintenance, collaborative maintenance, and maintenance roaming; and the teacher computer receives the corresponding operation, so as to assess the fault-removing performances of the students. The training method provided by the invention can simultaneously train a plurality of students to a complete training process including cognition for each system of the aircraft, principle learning, operation, test, dismounting and fault-removing, and simultaneously support three training modes of independent maintenance, collaborative maintenance, maintenance roaming, thereby effectively reducing the training cost.

The invention relates to a novel TCM (traditional Chinese medicine) diagnosis process and device, and relates to all aspects of medical diagnosis, and the process and the device are used for solving the problems of distributed types, multiple levels, clusters, diagnostic procedures, bonding points of man-machine common diagnosis, and the like.

The invention discloses a data reproduction method of cooperative office system application level disaster recovery system. The method comprises the following steps: a cooperative office system correspondingly sets a reproduction mechanism according to data types, and according to difference of usage requirements of a local file of a disaster recovery center, respectively uses middle file asynchronous reproduction and application file redundant uploading methods to perform reproduction; more local files of task cooperation exist, since timeliness requirement of region isolation on data reproduction is not high, a between-center file asynchronous reproduction method is used; official document transmission and data exchange belong to a data exchange center, the application file redundant uploading method is used, and pressure of real-time reproduction is shared in a service operation process of each time. The key of realizing active-active disaster recovery in the method provided by theinvention is unification of back-end data of two centers.

The invention discloses an industrial coal boiler energy-saving operation skill simulation training device and an industrial coal boiler energy-saving operation skill simulation training method. A linear displacement sensor is fixed at the installation position of a face arch inside a chain grate, a revolution speed transducer is fixedly installed on a main shaft of a grate drive motor, four throttle angular displacement sensors are installed on a segmented throttle, a blower angular displacement sensor is installed on a blower, an induced draft fan angular displacement sensor is installed on an induced draft fan, two potentiometers are respectively installed in a feed water valve and a main steam valve, an electric fireplace is installed in a boiler furnace, a coal amount indicating light-emitting diode (LED) light cross is installed on the side face of a coal hopper, a touch screen monitor is installed on an operating console, a bicolor LED light cross is installed in a water level indicator, a stepping motor is installed in a pressure gage, a programmable logic controller (PLC) is installed in the operating console. The industrial coal boiler energy-saving operation skill simulation training device and the industrial coal boiler energy-saving operation skill simulation training method have the advantages of being capable of overcoming the defects in the existing boiler operation simulation training device, high in simulation degree, strong in operation reality sense, and capable of achieving energy-saving operation skill training and providing a new training pattern for industrial boiler actual operation.

The invention discloses a practical training table for automobile assembling. The practical training table is mainly composed of a base frame, a training plate and storage boxes. A storage segmentation layer of which the periphery is open is arranged in the base frame in the vertical direction. The storage boxes are arranged in the storage segmentation layer respectively in a slide-fit mode. Training parts or tools required by training are placed in the storage boxes respectively. Vertical clamping grooves parallel to the adjacent planes of a supporting frame are formed in supporting rods of the base frame respectively. Training plates which are in slide fit with the vertical clamping grooves are arranged in the vertical clamping grooves respectively. The upper side of the base frame is provided with a pair of parallel transverse slide grooves. Training plates which are in slide fit with the transverse slide grooves are formed in the transverse slide grooves. Adjusting supporting legs which are embedded in the supporting rods are arranged at the bottoms of the supporting rods of the base frame. According to the practical training table, basic skill training units required by automobile assembling are integrated on one practical training device; accordingly, the number of practical training devices is reduced, the practical training cost is lowered, and the space utilization rate is improved; meanwhile, training efficiency is improved, and the practical training cycle is shortened.

The invention provides a device for simulating microgravity environment object carrying training and a friction torque compensation method thereof. The device comprises a main supporting rod used forhanging, a pulley platform arranged at the lower end of the main supporting rod, a motor brake, a friction force compensation motor, a pulley arranged in the pulley platform, a pulley platform balancing weight arranged on the other side of the pulley platform, and a steel wire rope arranged on the pulley, wherein the motor brake and the friction force compensation motor are arranged on one side ofthe pulley platform. A shaft where the pulley is located is connected with an output shaft of the motor brake through a coupler, an encoder is arranged on the friction force compensation motor, a simulation load balancing weight and a handle balancing weight are arranged at one end of the steel wire rope, a simulation load is arranged at the other end, and a multi-dimensional force sensor is arranged on the simulation load and connected with a handle. The friction force compensation motor is used for generating a motor compensation torque for counteracting a pulley shaft friction torque, changing the motor compensation torque according to different simulated load masses and eliminating the influence of a gravity on a vertical movement operation force.

The invention relates to a virtual knee arthroscopic surgery device which comprises a base and two operating arms, wherein each operating arm comprises a first bracket, a second bracket and an operating head; the operating head comprises a first frame, a second frame, a first angular displacement sensor, a second angular displacement sensor, a third angular displacement sensor, a linear displacement sensor, a fixed block, a first connecting guide rod, a second connecting guide rod, a third connecting guide rod and a fourth connecting guide rod; the first frame and the second frame are rotatably connected with each other through the third connecting guide rod and the fourth connecting guide rod; the fixed block is rotatably connected with the first frame through the first connecting guide rod and the second connecting guide rod; the second angular displacement sensor is installed on the fixed block; and the rotating end of the second angular displacement sensor is connected with the guide rail of the linear displacement sensor. The invention can flexibly adjust the position and angle of the surgical knife and the endoscope according to different users and different operation habits, thereby achieving the effect of realistically simulating the arthroscopic surgery, and shortening the training time for surgery doctors.

The invention discloses a teaching tool for testing faults of a power cable. The teaching tool comprises an upper computer, a fault tester and a rheostat, wherein the upper computer is connected with the fault tester; the fault tester is used for carrying out waveform data acquisition and processing and is communicated with the upper computer to send waveform data to the upper computer to display; the fault tester is connected with the rheostat by a communication coaxial cable and fault setting is carried out by adjusting the resistance value of the rheostat to simulate a cable fault; and the fault tester comprises a single chip microcomputer, an acquisition module, an A / D (Analogue / Digital) conversion module, a data storage module and an interface circuit. With the adoption of a separable structure, the tester is connected with the upper computer to realize man-machine conversation and improve the stability and the universality of the system; existing high-voltage equipment is not used so that the safety is high; a testing waveform effect is clearer than that of the power cable and fewer disordered waveforms exist; and the teaching tool is suitable for training in various fields so that a lot of training cost is saved and the time and the labor are saved.

The invention discloses a three-dimensional positioning decoration construction method for spiral staircase stone facing. The method includes the following steps that a BIM informationized model is established, stone facing part machining parameters are output, stone facing parts are machined, the parts are labeled with serial numbers, a construction assembly map is made, spatial accurate position guaranteeing a construction reference face and stepping layers is established, a three-dimensional measurable spatial coordinate system for improving installing accuracy is established, a spiral staircase civil engineering base body is corrected, a base body framework on which the stone facing parts are installed is established, and the stone facing parts are positioned and installed. The stone facing parts are quantitatively machined as a whole, and the material utilizing rate is increased by 30%; according to the construction assembly map, difficult machining of a spiral staircase becomes easy, production efficiency is improved, 30% of the construction period is saved compared with an existing construction method, on-site stone cutting is not needed, and pollution of dust, raising dust, noise and the like on a construction site is avoided; due to the establishment of the three-dimensional measurable spatial coordinate system, it is guaranteed that the wholly-machined stone facing parts are flat and totally attached to one another.