33results about How to "Simplify the teaching process" patented technology

A novel teaching device of an industrial robot comprises the robot and a handheld teaching unit. The handheld teaching unit comprises an indicator light, a knife knob, a confirmation button, a handle, a sensing end, an execution button, an interface and an ultraprecise inertia navigation element installed inside the handle of the handheld teaching unit. According to the novel teaching device of the industrial robot, a series of specific actions are finished by manually moving the handheld teaching device, the teaching unit automatically records and stores coordinate parameters of a trajectory path, the robot repeats the previous manually taught movement path, and therefore the teaching process of the robot is greatly simplified.

The invention provides a visual location welding system and method based on robot welding. The visual location welding system is composed of a hand-eye calibration module, a photographing point location recording module and a welding execution module. The hand-eye calibration module is used for calculating a position and pose conversion relationship between a camera coordinate system and a robot coordinate system; three-dimensional information of crossed steel bars is acquired through the photographing point location recording module, and welding paths of the crossed steel bars are calculatedthrough a steel bar point cloud welding line extraction algorithm; and the welding paths are sent to the welding execution module, and the welding operation of steel bar crossing points is completed through the welding execution module . Through visual location of the crossed steel bars, the problem of poor precision of a workpiece and a clamp is solved, flexible and accurate welding is achieved,and the welding quality is guaranteed. According to the welding system, automatic calculation of the welding paths is achieved, and the demonstration of the welding paths is omitted; the robot demonstration process is simplified, and the requirement for operators is reduced; and the welding automation of the steel bars is achieved, and the welding effect and the production efficiency are improved.

The invention provides a robot trajectory recurrence method, a control device, equipment and a readable storage medium. The method includes the steps of sending out a demonstration starting instruction to a servo controller of a robot when it is detected that a demonstration button on the robot is at a first state so that the robot can be at a zero-force control state, and continuing to obtain multiple pieces of first point position information of the robot; sending a demonstration ending instruction to the servo controller when it is detected that the demonstration button is at a second stateso that the robot can retreat from the zero-force control state, stopping obtaining the first point position information, generating a demonstration trajectory file according to the multiple pieces of first point position information, and storing the demonstration trajectory file; and controlling the robot to move according to the demonstration trajectory file. By means of the technical scheme, the robot can be at the zero-force control state so as to be dragged for demonstration only if an operator presses down the demonstration button. Compared with an existing scheme of the combination ofan interface key in a software interface and a demonstrator, the demonstration process is simplified, and the operation complexity is reduced.

The invention discloses a laser cutting head displacement sensor with a multi-point measurement function, comprising a sensor connector, a connection base, a split metal connection sleeve, a fixed insulating sleeve, a fixed shielding cover, a movable shielding cover and a laser cutting head spray nozzle. Due to the adoption of the laser cutting head displacement sensor with the structure, the normal vector of the surface of processed workpiece can be determined rapidly, and the posture of a laser cutting head can be adjusted easily. A position feedback mechanism of the laser cutting head and a workpiece normal vector measuring mechanism can be effectively combined to realize the high-precision high-efficiency laser cutting work.

The invention discloses a teaching model for abdominal examination skill training during pregnancy. The teaching model comprises a pregnancy abdomen phantom, wherein the pregnancy abdomen phantom can be fixed to the abdomen of a whole female body mode, a uterus phantom and a pelvis inlet phantom are arranged in the pregnancy abdomen phantom, a fetus phantom is arranged in the uterus phantom, and liquid is filled between the fetus phantom and the inner wall of the uterus phantom. A first microphone is arranged on the fetus phantom and used for playing fetal heart sound and umbilical cord sound, a second microphone is arranged on the uterus phantom and used for playing uterine souffle, placental souffle and aorta abdominalis souffle, and the first microphone and the second microphone are in signal connection with a player. A vibration device for simulating fetal movement is arranged on the fetus phantom and is in signal connection with the controller. The teaching model for abdominal examination skill training during pregnancy has the advantages of being simple in structure, good in simulation performance and good in teaching effect.

The invention relates to a method for representing and generalization of a robot discrete track based on a probability model. The method comprises the following steps: teaching the discrete track, specifically, splitting the track into multiple sections and respectively teaching each section of track to obtain a data source of discrete track representation; representing the discrete track, specifically, modeling the robot track based on a plurality of GMMs, extracting a correlation relationship among the multiple sections of tracks, and representing a teaching track; and performing generalizedoutput on the track, specifically, splicing the multiple sections of track through a GMR, realizing the generalization output of the track, and making the output track have smoothness. The teaching process is simplified and the operability is high; each section of track can be smoothly spliced based on the time information; and the multi-task constraint relation of multiple mechanical arms is learned, so that the multiple mechanical arms of a robot can cooperatively finish multiple tasks.

The invention discloses a handheld teaching device and method based on stereoscopic vision, and relates to the field of robot teaching and stereoscopic vision. The handheld teaching device comprises asignal sending unit, a mode selecting unit, a signal triggering device, a power module, a light spot, a teaching device body, an attitude sensor and a pose measuring rod piece. The tail end of the pose measuring rod piece of the handheld teaching device is operated to move to the position of a set point on the planned path in a set attitude; image information of the light spot is obtained; a posematrix from a stereoscopic vision coordinate system to a light spot coordinate system is obtained through data processing; and a pose matrix from the coordinate system at the tail end of the pose measuring rod piece to a robot base coordinate system is further constructed in combination with a measurement result of the attitude sensor, pose information of the teaching point under the robot base coordinate system is calculated, and the robot reproduces the track of the teaching point according to a fitting mode selected by the mode selecting unit. The device is simple and flexible and high inwork efficiency, can achieve the quick teaching, and improves the usability of the robot.

The invention discloses a multivariate modularized teaching system for computer specialty. The multivariate modularized teaching system for computer specialty includes a basic knowledge module, a function operation module, a network management module, and a network comprehensive design module. The basic knowledge module is used for computer Learning of basic network knowledge, including simple software and hardware knowledge, the functional operation module is used for teaching network operation methods, the network management module is used for teaching network protocol analysis and network management, and the comprehensive network design The module is used for the teaching of comprehensive theoretical knowledge and operation technology for computer majors. This system is an innovative teaching method for computer majors and provides a new model for cultivating high-skilled talents in computer majors.

The invention provides a full-function theater model. The full-function theater model comprises a table board, wherein vertical boards are vertically arranged above the left and right sides of the table board, a plurality of scenery rods arranged in parallel front and back are detachably connected at the rear part between the tops of the two vertical boards, toplight lamp posts are connected at the front between the tops of the two vertical boards, a stage curtain is hung below the scenery rods, a toplight lamp is connected to each toplight lamp post, a ceiling light rack is arranged at the front end of the tops of the vertical boards, a plurality of ceiling light lamps are connected to the ceiling light rack, light control assemblies are arranged on the side walls of the vertical boards, the light control assemblies are connected with a power supply, the light control assemblies comprise controllers as well as illumination desk decoders and dial switches connected with the controllers, and the illumination desk decoders are connected with illumination desk interfaces. The full-function theater model has the beneficial effects that students can visually understand the theater, and the change of the scene, the moving of props, and the switching of lamplight become the actual classroom scene, so that the teaching process is simple and clear.

A laser gyroscope teaching demonstration system comprises a rotation control module used for controlling rotation of a laser gyroscope, a laser module which can emit laser, a cavity adjusting module which is matched with the laser module to collimate the laser gyroscope reflector, an information acquisition module which is used for acquiring the image and photoelectric information of the laser module, and a control and display device which is used for displaying the information acquired by the information acquisition module and outputting control parameters to the rotation control module. The system further comprises a light combination system which is used for adjusting the position of a light combination prism on the laser gyroscope reflector, interference light is generated by laser emitted by the laser module, and image acquisition and data acquisition of the information acquisition module are more efficient and accurate. The system is highly integrated and can be used for demonstrating various working modes and parameters of the laser gyroscope, and the teaching effect is improved.

The invention relates to the technical field of industrial robots, and discloses an articulated teaching arm and a teaching method based on the same. The articulated teaching arm comprises a teachingarm flange plate, a teaching arm flange plate bottom arm, a first teaching arm joint, a teaching arm middle arm, a second teaching arm joint, a teaching arm upper arm and a third teaching arm joint, wherein the teaching arm flange plate is welded at the bottom of the teaching arm flange plate bottom arm; the top of the teaching arm flange plate bottom arm is movably connected with the teaching armmiddle arm through the first teaching arm joint; the teaching arm middle arm is movably connected with the teaching arm upper arm through the second teaching arm joint; the teaching arm is installedon a flange plate of the robot through the teaching arm flange plate to form series teaching. Two novel teaching methods of series type teaching and parallel type teaching are put forward, by means ofthe teaching mechanical arm, the problems that a traditional teaching box teaching method is low in teaching efficiency, poor in interactivity, high in requirement for programming of operators and the like are solved, and the teaching process is simpler and more convenient.

The invention discloses a visual inspection method for an arc-shaped welding seam and adhesive tape. An arc-shaped morphology point cloud of an object to be detected is obtained along a straight line, and the arc-shaped morphology point cloud is converted into a linear morphology point cloud through the following steps of (1) determining a region of interest, moving a selection box, and marking a region with height information most similar to a teaching image as an evaluation region; 2) determining the positions of central framework points in the evaluation region, expanding on two sides of each central framework point at equal step length to obtain height values of corresponding points, and recording the height values as sampling points; 3) for the height value of each sampling point, giving plane coordinate values corresponding to each height value according to the following rules: the abscissa is equal to the offset between each sampling point and the corresponding central framework point; and the longitudinal coordinate is equal to the distance between the central framework point corresponding to each sampling point and the first central framework point. According to the method, the point cloud image of the arc-shaped welding seam/adhesive tape can be processed under the condition of collecting the image along the straight line, and the arc-shaped point cloud image is converted into the shape of the straight line so as to be compatible with a straight line morphology point cloud processing method. Image acquisition is simple, compatibility is good, and implementation is easy.

The invention discloses an all-wireless interactive experiment teaching system, which mainly solves the problems that the experiment preparation work of the traditional electronic information specialty is complicated, each device of an experiment board is easy to damage and the teaching mode is not intelligent enough. The system comprises an intelligent terminal, an experiment platform, an interaction module, an authentication module and a debugging channel module. Wherein the intelligent terminal is used for storing data and coordinating and controlling data exchange among the modules, and the interaction module is wirelessly connected with the experiment platform through the intelligent terminal and the debugging channel module. After verification of the authentication module, the teacher uploads experiment related data to the intelligent terminal or downloads experiment results uploaded by the students at the interaction module, and the students can carry out experiments according to own conditions after downloading the experiment related data and submit the experiment results to the intelligent terminal. The whole structure is reasonable, experiment operation is easy, the safety of hardware facilities can be guaranteed, the preparation workload of teachers and students before experiments is reduced, the autonomy of the students is enhanced, and the efficiency and quality of experiment teaching are improved.