81 results about "Remote experiment" patented technology

The invention discloses a FPGA and ARM-based remote experiment system and a design method. The system is composed of a server, a plurality of PC clients and a plurality of ARM clients; a hardware basis of the ARM clients is a FPGA remote experiment board card, the FPGA remote experiment board card is composed of an ARM circuit module, a FPGA and an experiment peripheral thereof, a passive configuration interface of the FPGA is connected with an ARM, a part of IO pins of the FPGA is connected with an experiment peripheral entity, the other part of the IO pins of the FPGA is connected to the ARM and defined as a simulated peripheral; the ARM clients specifically implement remote configuration and experiment interaction of the FPGA; and a connection channel is as follows: the PC clients <-> the server <-> the ARM clients <-> the FPGA remote experiment board card. The system and the method provided by the invention realize bidirectional interaction of a remote hardware experiment, and satisfy double need of a local experiment and a remote experiment.

The invention discloses a virtual hardware laboratory remote control system. The virtual hardware laboratory remote control system comprises a laboratory network module, which is used for realizing communication connection between experimental equipment and a remote network module, receiving parameters of a command of a remote client, providing a process monitoring image for a user, storing necessary data into a database and generating a process data tendency chart, and comprises a Web server which is used for operating a remote laboratory website, a Web Navigator server, a database server which is used for storing real-time data and historical data of the operation of the experimental equipment, and a video monitoring server which is used for providing real-time video monitoring images ofthe experimental equipment on site; the remote network module comprises an information issuing module, a register login module, a user management module, a data uploading and downloading module, an online answering module, an experiment inquiry module, a scheduled experiment module and a remote experiment module. According to the virtual hardware laboratory remote control system, the laboratory can be managed remotely and an experiment process can be controlled remotely through a network compressively.

The invention discloses a remote teaching experimental system and experimental method based on a network. The system comprises an application server, a database server and a central server which are successively connected, wherein the central server is communicated with a user through a zone network and communicated with an equipment server through the Ethernet network, and the equipment server is connected to a gyroscope experimental platform. The experimental method comprises the following steps: an administrator logs in a background management portion, a student registers and is reviewed by a teacher to become an official use, and enters a teaching system; the student entering the teaching system selects a theory learning portion; after the theory learning portion, the student enters a remote experimental portion; and the student enters an information exchange portion for question discussion. The system and method disclosed by the invention can solve the defect that an existing measurement and control circuit teaching system is incomplete, poor in real-time and short in control knowledge application, enhances the richness, practice and advancement of measurement and control circuit teaching, and is suitable for learning the measurement and control circuit and the automatic control theory.

The invention relates to a communication electronic circuit remote experiment platform. A hardware module comprises an NI Elvis experiment platform submodule, a circuit PCB submodule and a camera submodule, wherein the NI Elvis experiment platform submodule is connected with a local PC through a standard interface; the circuit PCB submodule is connected with the NI Elvis experiment platform submodule. A software module is mainly formed by a LabVIEW software submodule and a Multisim software submodule, and is an upper computer part of the remote experiment platform, wherein the LabVIEW software submodule is used for controlling the input and output of a lower computer, that is, the NI Elvis experiment platform; and the Multisim software submodule can finish parameter analysis and the like of the actual circuit through communication with the LabVIEW. The experiment platform can construct a complete test and measuring system, and provides a good application platform for communication electronic circuit experiment teaching.

The invention discloses an industry-university-research combined scene type remote experiment teaching device and a design method, and belongs to the field of scene type remote experiments. The builtexperiment environment includes a mathematical model of an experiment object, a three-dimensional scene, a simulator, a production data synchronizer and the like. The method comprises establishing anexperiment server, connecting links required by the experiment system through information data intercommunication, then, through a data interface of an experiment server, fusing the experiment systeminto a cloud server cluster, then connecting the experiment system to different user side platforms through the cloud server cluster, by a user, operating on a user side interface, and transmitting anoperation instruction to the remote experiment device through a network, so that the purpose of remotely controlling the experiment system is achieved. According to the invention, medium and large-scale equipment, scenes and experiment projects with high risk required in the traditional experiment are combined into the network remote experiment, so that an operator can carry out remote experimentoperation through the user side platform. The presentation form of a traditional experiment system can be expanded.

The invention discloses a network Newton's rings experiment instrument based on laser parallel optical pipes. The network Newton's rings experiment instrument mainly comprises a public bottom plate, a microscope and a polariscope assembly, wherein a two-dimensional moving platform, a polariscope installing frame, a camera installing frame, a motor installing frame and a plurality of adjustable rod frames are respectively arranged on the public bottom plate; a Newton's rings installing plate is arranged above the two-dimensional moving platform through an adjustable Newton's rings installing plate support frame; the microscope is arranged on the microscope installing frame; an angle regulating knob of the microscope is connected with a coaxial microscope regulating wheel hub; a microscope angle regulating scale camera, a wheel hub rotating angle camera and a microscope eyepiece camera are installed; a step motor is arranged on the motor installing frame, and is connected with the microscope regulating hub through a belt. The network Newton's rings experiment instrument has the advantages that through the arrangement of the motor used for driving the microscope regulating wheel hub and the network camera, the remote experiment is realized; the experiment efficiency is improved; a semiconductor laser light source is used for experiment; clean single-set Newton's rings images are obtained; in addition, the light source service life is long; the cost required for always equipment switching-on in the remote control experiment is reduced.

The invention relates to a remote shared training system for vocational education, which comprises a training management module, a multimedia training interaction module and a training resource database, wherein the training management module is used for managing and setting information of the personnel participating in training, training courseware and experimental information; the multimedia training interaction module is connected with the training management module, and used for receiving and displaying remote video data according to setting of the training management module; and the training resource database is connected with the training management module, and used for storing training experimental data so as to be invoked by the training management module. Compared with the prior art, the remote shared training system for vocational education is simple in structure, convenient to operate, and capable of meeting requirements of remote experimental operations and practical equipment training of students.

The invention provides a remote experiment system for computer hardware series courses, and belongs to the technical field of computer teaching experimental equipment. The remote experiment system is characterized by comprising experimental equipment, a server and a client computer, wherein the experimental equipment is connected with the server by a USB interface; and the client and the server are connected with Ethernet ports by network interfaces. The remote experiment system overcomes the defect that the result obtained by the simulation experiment made on the server is inconsistent with the operation result of the real hardware; and the remote experiment system is suitable for station experiments as well as remote, open and innovative experiments.

The invention discloses a virtual-real combined remote DDC experiment platform, which comprises a cloud experiment platform, a local experiment platform and a remote application platform; the cloud experiment platform provides a virtual operation scene for an DDC experiment and renders an experiment effect in a webpage; the local experiment platform comprises a plurality of specific experiment devices for remote experiments, and provides experiment data support for virtual experiments performed by the cloud experiment platform; the remote application platform comprises a student user login interface and a teacher user login interface, and a student user and a teacher user log in the local experiment platform through the corresponding student user login interface, the teacher user login interface and the network to perform experiment programming and log in the cloud experiment platform to perform experiment verification in a virtual environment. The invention further discloses an experiment method of the virtual-real combined remote DDC experiment platform, the virtual technology is adopted, the experiment environment is expanded, the application scene is enhanced while the cost isreduced, and more sufficient understanding of building electricity is achieved.

The invention discloses a method for building a remote FPGA (Field Programmable Gate Array) experiment platform by adopting a light server, which comprises the following steps of: arranging a sub-server on each FPGA control node, receiving a control command sent by a user side, sampling the FPGA, and directly feeding back a sampling result to the user side; and establishing an NAT or HTTP reverseproxy on the central server, and directly forwarding the network data packet corresponding to the FPGA to the user side. According to the method, sampling, control and other tasks are issued to distributed sub-servers to be completed, so that the load of a central server is reduced, and the central server supports simultaneous control and sampling of a large number of FPGAs.