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31 results about "Tactile communication" patented technology

Tactile communication fault tolerance method and system based on hybrid prediction

The invention relates to a tactile communication fault tolerance method and system based on hybrid prediction, and the method comprises the steps: carrying out the prediction compression of to-be-transmitted data during the transmission of data, and only transmitting a data frame with the relative deviation between a prediction value and a real value greater than a dead zone parameter, so as to reduce the amount of data needing to be transmitted; when the data is received, if missing data is encountered, adding 1 to the count, comparing the current count value n with a previously received prediction threshold L, if n is greater than L, predicting the missing data by adopting a zero-order preserving prediction algorithm, and otherwise, predicting the missing data by adopting an LSTM model;and if the data is received, resetting the count value, and obtaining a newly received prediction threshold L while the prediction value is a real value. By setting the continuous prediction threshold, the receiving end can autonomously select a relatively conservative prediction algorithm, the influence brought by accumulated errors caused by continuous prediction is reduced, and the stability ofthe tactile communication system is further improved.
Owner:FUZHOU UNIV

A remote electromagnetic tactile reproduction system, magnetic field generation and tactile prediction method

ActiveCN111796679BMeet the real-time requirements of tactile reproductionGuaranteed immersionInput/output for user-computer interactionNeural architecturesTransceiverJoystick
The invention discloses a remote electromagnetic tactile reproduction system, a magnetic field generation and tactile prediction method. The system includes a local end, a remote end and an edge learning platform; the local end includes a local magnetic joystick, an electromagnetic tactile reproduction device and a positioning device; the remote end includes Operate robots, remote joysticks and tactile sensors; both the local and remote ends are equipped with edge learning platforms for local and remote device control, tactile sensor data acquisition, data transceiver and buffering, signal processing, and computing; the local end , The remote end communicates through the network connection. The present invention provides a magnetic field generation method for controlling the iron core coil to generate a magnetic field; in addition, the present invention also provides a haptic prediction method for online prediction of current haptic feedback according to operation information and historical haptic data. The present invention can perform dynamic and accurate tactile generation, and the online prediction error of tactile data is small, thereby ensuring the stability of remote tactile communication.
Owner:WUHAN UNIV

Science popularization-oriented tactile communication device

The invention provides a science popularization-oriented tactile communication device. The science popularization-oriented tactile communication device comprises a base, a display, a supporting block, a connecting block and a mounting block, inserting grooves which are concave inwards are formed in the upper end faces of the supporting blocks, inserting rods which are matched with the inserting grooves are arranged on the lower end faces of the connecting blocks, a plurality of limiting grooves which are concave inwards are symmetrically formed in the outer walls of the inserting rods, and springs and limiting blocks are arranged in the limiting grooves which are symmetrically formed. According to the display screen angle adjusting device, the limiting blocks and the limiting holes are arranged to be matched with each other, the installation block for installing the display screen can be rotationally installed, the angle of the display screen can be adjusted according to different requirements, and the display screen angle adjusting device is convenient to use and high in practicability. Meanwhile, through mutual cooperation of a motor, a lead screw and a mounting block, the height of the display screen can be adjusted according to different requirements, and the experience feeling of a user can be counted and known through an information collection system.
Owner:杨树强
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