Progress of Interactive Holographic Display

Manipulator Control System Based on Flexible Sensor Technology

“…(1) according to the experimental requirements, after the target muscle to be sampled is fixed, the electrodes are applied in pairs [159]; (2) the electrode is evenly distributed on the skin surface in a ring structure according to a certain law; and (3) the electrodes are closely arranged to collect the EMG information in all directions [160]. In addition, studies have shown that a stronger EMG signal can be obtained by placing the sensing electrode in the muscle belly and a weaker EMG signal can be obtained by placing the electrode at the edge of the tendon or muscle group [161].…”

“…(1) Cost problem of the data glove: although there are already many data-glove products in the market, and researchers are constantly innovating in this field, data glove will incur a lot of costs during the production process, including the cost of materials required to manufacture the glove itself and the flexible sensor and the cost of external circuit boards or some other hardware production, which makes it difficult to put this device into practical use in large numbers. In the future, the cost of using data gloves will be reduced and their development in the market will be more convenient; (2) The category bottleneck problem of manual movement information collected by the data glove: the generation of an electromyographic signal is due to the hungry excitation of the cerebral cortex, while the manual movement information collected by the data glove is the pressure or angle change generated when the gesture changes, obviously the electromyographic signal is more abundant; (3) Improving the sensitivity/accuracy: first of all, the type of material used has an impact on its accuracy. For strain sensors, the better the piezoresistive properties of the material, the better the performance of the sensor; for pressure sensors, the electrical conductivity of the materials greatly affects the accuracy of signal conversion in collecting useful information and, then, affects the accuracy of detection.…”

“…Through this control system, to complete the remote operation of the manipulator, the use efficiency of the manipulator can be improved. Traditional remote control can be based on machine-vision technology, which captures people’s hand movements through the camera, uploads the images or videos to the computer for analysis and processing, obtains the hand movement information, and sends it to the manipulator to perform corresponding actions, and completes gesture recognition and tracking [ 2 , 3 , 4 ]. However, the problem with this method is that it is greatly affected by environmental factors such as light.…”

“…(1) This paper provides a comprehensive summary of research on the flexible sensor technology of a manipulator control system, which includes manufacturing materials, manufacturing processes, and control methods; (2) This paper provides an overview of two related sensor information acquisition technologies: direct acquisition of EMG signals from skin surfaces and integration of gesture change information into data gloves; (3) To summarize the existing problems from the three aspects of material, process, and control, respectively, and to provide a reference for future research in this area from a commercialization perspective.…”

Toward Intelligent Display with Neuromorphic Technology

“…), and interactivity (including touch, [ 7 ] gesture, [ 8 ] voice, [ 9 ] and other interaction methods. [ 10 ] ). In addition, novel display technologies with stereoscopic information have become important development directions of display technology.…”