197results about How to "Less prone to fatigue" patented technology

The embodiment of the invention provides a laser-point cloud marking method, a device and a readable storage medium, and belongs to the technical field of identification. The method includes steps ofacquiring laser-point cloud data, wherein the laser-point cloud data comprises laser-point cloud data corresponding to at least one target object; every laser point corresponding to the laser-point cloud data is displayed in a three-dimensional scene; dyeing every laser point; marking the laser point after being dyed. Through the method, every laser point can be dyed firstly, and then the laser point corresponding to every target object after being dyed is marked, thus a marker is not easy to feel tired during the marking process, and is easier to exactly finger out tiny target object, not easy to miss and wrongly mark the tiny target object; therefore, the marking speed and efficiency of the laser point are further improved.

The invention discloses a steady visual induction paradigm design and identification method for introducing a continuous action of an object. During paradigm design, one continuous action of the object is introduced, the continuous action of the object is disintegrated into a plurality of pictures, continuous black and white flashing is performed according to a time sequence, dynamic picture flashing units are formed, the dynamic picture flashing units are displayed on a computer to stimulate a user to generate a steady visual induction potential, a brain wave signal of the user staring at a certain flashing unit is collected and transmitted to the computer for processing, a canonical correlation analysis algorithm based on personal characteristic correction is adopted to perform target identification, the result is fed back to the user, the object is controlled to complete a corresponding action at the same time, and then target identification is performed for the next time. Through the method, corresponding steady visual induction paradigms can be designed according to different application objects, the control effect of "what you see is what you obtain" is achieved, the difference between user individuals is relieved, the correct rate of identification is increased, and the method can be widely applied to all types of brain-computer interface systems based on steady visual induction paradigms.

The invention discloses a method for processing the surface of a printed circuit board. The method comprises the steps that the printed circuit board is provided, the printed circuit board comprises a printed circuit board substrate and a brazing disc formed on the printed circuit board substrate, welding resistance processing and anti-plating processing are conducted on zones outside the brazing disc on the printed circuit board substrate; micro-etching is conducted on the brazing disc; a cobalt-based metal layer is formed on the surface of the brazing disc which undergoes micro-etching and the cobalt-based metal layer is used for directly making contact with lead-free solder, and the printed circuit board with the cobalt-based metal layer is cleaned and dried. The invention further provides the printed circuit board which undergoes the processes.

The invention provides a touch control type browser of a portable mobile terminal and a method for browsing webpages in the portable mobile terminal. The touch control type browser comprises a thumbnail display module, a first interface module, a browsed content obtaining module and a browsed content display module, wherein the thumbnail display module is used for displaying a hawkeye window of a webpage browsed currently on a screen of the portable mobile terminal; the first interface module is used for receiving a positioning operation of a user on the hawkeye window; the browsed content obtaining module is used for obtaining the content of a local area corresponding to a related position in the webpage browsed currently according to the positioning operation; the browsed content display module is used for displaying the content of the local area on the screen of the portable mobile terminal in an amplified mode. By means of the touch control type browser, the webpages can be quickly and conveniently browsed on the portable mobile terminal.

The invention discloses a display and keyboard-hidden type computer desk, which comprises a desktop board (1), wherein the desktop board (1) is provided with a front and a back windows, the front window is internally provided with a keyboard screen board (3) adapting to the front window in shape and size, and a keyboard bin (15) used for placing of the keyboard is arranged below the front window;and the back window is internally provided with a display protective frame (2) adapting to the back window in shape and size, and the display protective frame (2) is rotatably connected with the desktop board (1) and can overturn relative to the desktop board (1). The invention has the characteristics of ingenious design, simplicity for operation, easiness for reconstruction and the like. Throughpersonal design, a computer display and a keyboard can be embedded in the desktop board for being hidden to ensure that the desktop space is not occupied by a computer, thus flatness and aesthetics of the desktop are ensured, and enough office space is ensured for a user. Meanwhile, the user conveniently operates the keyboard comfortably without generating fatigue and shoulder vertebra injury caused by wrong postures.

The invention discloses a double-pedal gear drive system used for a motile washing machine and the motile washing machine. The drive system comprises a base, an output shaft, two transmission mechanisms and a pedal plate, wherein the transmission mechanisms are used for transmitting motive power to the output shaft; the pedal plate provides the motive power; the output shaft moves up and down in the axle direction to realizing washing and dehydration clutch; the transmission system also comprises an upper umbrella tooth and a lower umbrella tooth which are axially sleeved on the output shaft at interval; the upper umbrella tooth and the lower umbrella tooth are axially fixed and do not move up and down along with the output shaft; the transmission mechanisms are symmetrically arranged relative to the upper umbrella tooth and the lower umbrella tooth; the upper umbrella tooth is internally provided with a first one-way bearing, the lower umbrella tooth is internally provided with a second one-way bearing and a third one-way bearing which are oppositely arranged, and the installation direction of the second one-way bearing is opposite to that of the third one-way bearing; the output shaft is provided with a groove section the diameter of which is smaller; and by means of the up and down movement of the output shaft, one of the one-way bearings fails so as to achieve washing positive and negative turn and dehydration coincidental turn. The double-footstep gear drive system provided by the invention has the characteristics of simple structure, uniform force and high reliability.

The invention relates to the technical field of aquaculture, and particularly relates to an underwater habitat observation device for an aquaculture system. The underwater habitat observation device for the aquaculture system comprises an underwater camera, a telescopic operation rod, a camera bracket, a twine, a battery and a blinder type VR viewer. The underwater camera is connected with the telescopic operation rod by the camera bracket, and can rotate by 360 degrees; the twine of a power line and an image transmission line extends out of the inside of the underwater camera, and passes through the inside of the telescopic operation rod; the battery is connected with the underwater camera by the power line; and the blinder type VR viewer is connected with the image transmission line. According to the underwater habitat observation device for the aquaculture system, which is disclosed by the invention, an underwater viewing distance and definition are improved by adopting an LED warm light so as to assist the micro camera in clearly shooting an underwater image and implement clear observation on aquatic livestock and an environmental state in a state that aquiculture water is turbid; and meanwhile, the underwater habitat observation device is not influenced by weak light at night and hard light on daytime. The device disclosed by the invention has an important reference effect on aquaculture management and disease control and prevention.

The invention discloses a brain computer interface P300 signal characteristic somatosensory evoked device and an application method therefor. The device comprises an upper computer communication unit and at least one lower computer unit; the upper computer communication unit comprises an USB-to-serial port module; the lower computer unit comprises a single-chip microcomputer, a motor driving unit, a motor unit and a low voltage direct current power supply; the motor unit comprises a plurality of direct current oscillation motors serving as a tactile stimulus source; the single-chip microcomputer is connected to the USB-to-serial port module, and an output end of the single-chip microcomputer is connected to each direct current oscillation motor through the motor driving unit respectively; the output end of the low voltage direct current power supply is connected to a wireless communication lower module, the single-chip microcomputer, and the motor driving unit respectively. The application method comprises the following steps of generating a stimulation sequence L through the upper computer, and implementing stimulating state and non-stimulating state control to each direct current oscillation motor by traversing each periodic sequence group trial in the stimulation sequence L. The brain computer interface P300 signal characteristic somatosensory evoked device and the application method therefor have the advantages of being convenient in use, high in correct classifying rate, good in stability and high in universal property.

The invention belongs to the technical field of laser cutting and discloses a full-automatic laser cutting system and a control method. A rotating module carries out space rotating on an article to becut. A laser transmitting module transmits laser. A center control module extracts sample data in a database of the article to be cut. A setting module sets a pattern of the article to be cut. An angle adjusting module adjusts the angle between a laser light path and the article to be cut after a modulation module is utilized for carrying out modulation. A cutting module carries out cutting. According to the system and the control method, the service life of the motor is prolonged, and the production cost is reduced; meanwhile, the cutting module controls a laser head to move according to thecutting depth curve so as to cut the article to be cut, and the cutting depth of the article to be cut adapts to the cutting depth curve; and accordingly, a laser cutting machine adopting the cuttingmethod can machine grooves with equal groove depths, and thus adaptability of the laser cutting machine is good.

The invention discloses a firm transport vehicle, which comprises a bottom plate, fixed blocks are fixedly connected to both sides of the bottom plate, a receiving column is fixedly connected to the top of the fixing block, and a connecting column is movably installed inside the receiving column , the top of the connecting column runs through the receiving column and is fixedly connected with a compression plate, a fixed rod is movably installed inside the compression plate, and the top of the fixed rod penetrates the compression plate and extends to the outside of the compression plate, The bottom end of the fixing rod passes through the pressing plate and the connecting column successively and extends to the inside of the receiving column. The present invention achieves the effect of being able to fix the article by setting the fixing block, the receiving column, the connecting column, the pressing plate, the fixing rod, the limit block, the limit groove, the first transmission rod, the second transmission rod, the round block and the threaded groove. The utility model can make it difficult for articles to fall from the transport vehicle, thereby reducing the burden on the staff, making the staff less prone to fatigue, and thus being convenient for people to use.

The invention discloses an MEC-based motorcade auxiliary driving method and device, and a storage medium, so as to solve the problem of inconsistent vehicle driving actions in a motorcade, enhance the communication and driving safety and reliability in the motorcade driving, enhance the ability of keeping the motorcade shape, and adapt to various roads and the like. The method includes the steps of generating a driving path according to path planning request information sent by a head vehicle in a vehicle team and road conditions of related road sections, wherein the motorcade comprises an automatic driving head vehicle and a plurality of following vehicles which follow the head vehicle to execute driving actions to realize acceleration, lane changing and braking, and the motorcade keeps a reasonable vehicle distance in the whole course; sending a driving patht to the head vehicle, so that the head vehicle periodically sends a driving attribute message of a first driving action executed by the vehicle to the MEC and the following vehicle; and receiving a feedback result of executing the first driving action by each following vehicle, and generating and sending corresponding action adjustment information when determining that the driving actions of the following vehicles and the driving actions of the head vehicle are inconsistent, so that the motorcade safely passes through road sections such as intersections, ramps and curves.