5results about How to "Realize the navigation function" patented technology

The application provides a kind of indoor global vision-based unmanned vehicle positioning method and device, the method comprises: step 1, visual sensor is fixed on indoor ceiling, and the ground environment image of the periphery of mobile robot in running is collected;Two two-dimensional code labels are arranged on the top of the mobile robot, and the mobile robot is identified by two two-dimensional codes;Step 2, the ground environment image obtained in step 1 is transformed by image processor Abnormal image is obtained by distortion correction;Step 3, the normal image is extracted to obtain feature points;More than two normal images with feature points captured by different vision sensors are matched;Step 4, the image is fused to obtain the wide-area panoramic image after splicing;Step 5, the pose information of the mobile robot is solved.The application can realize the control and tracking of mobile robot in wide-area complex indoor environment, and realize the accurate navigation of mobile robot.

The embodiment of the invention provides a rendering method and device, electronic equipment and a storage medium, and relates to the technical field of computers. The method comprises the following steps: displaying a current picture frame in response to a triggering operation for a navigation function; obtaining equipment performance parameters of the terminal equipment, if it is detected that the equipment performance parameters of the terminal equipment are reduced, reducing the model precision of an LOD model, and taking the LOD model with the reduced model precision as a target LOD model; and rendering a next picture frame of the current picture frame based on the target LOD model. According to the embodiment of the invention, the model precision of the LOD model is adaptively adjusted according to the equipment performance of the terminal equipment, so that the navigation function can be realized on the terminal equipment with different performances.

The utility model relates to the technical field of robots, in particular to a wheel leg seat robot which comprises a robot body, a joint assembly, a connecting support and a seat, the joint assembly comprises wheel leg joints installed on the two sides of the robot body and running hubs connected to the wheel leg joints, the connecting support is installed at the top end of the robot body, and the seat is installed on the connecting support. And the seat is mounted on the connecting bracket. According to the wheel-legged robot, the seat is installed on the robot body of the wheel-legged robot, an operator can sit on the seat, the supporting and driving effects are achieved under the action of the joint assemblies and the driving hubs, and the seat can drive the robot to drive the robot to move and make various actions. And the working personnel can also have a rest. The seat is mounted on the connecting bracket, so that the robot has the capability of multifunctional application. And the seat can be adjusted and configured as required to adapt to different use scenes and requirements.

The utility model provides a liftable child tricycle handlebar mechanism, which belongs to the technical field of mechanical engineering, and comprises a mounting plate and a detachable mounting mechanism, the detachable mounting mechanism is arranged on the front surface of the mounting plate and extends to the back surface of the mounting plate, and the detachable mounting mechanism comprises a circular slotted hole, a mounting bolt and a mounting nut, the circular groove holes are formed in the inner side of the periphery of the mounting plate, the mounting bolts are movably connected to the front face of the mounting plate and extend to the bottom of the mounting plate, the mounting bolts penetrate through the circular groove holes and are in threaded connection with the circular groove holes, and the mounting nuts are movably connected to the back face of the mounting plate. By arranging the detachable mechanism, the device can be effectively and easily assembled and disassembled in the using process, complex tools or professional skills are not needed, the convenience and efficiency of operation are improved, a user can more easily maintain the device and replace parts, and the cost is reduced. The maintenance difficulty is reduced, and the service life of the product is prolonged.

The invention belongs to the technical field of river transportation route planning, and discloses an offline waterway planning method and system, computer equipment and a medium. The method comprises the following steps: acquiring surveying and mapping channel data, and preprocessing the surveying and mapping channel data to obtain preprocessed first leg data; compressing the preprocessed first leg data to generate a first compressed packet; sending the first compressed packet to terminal equipment, and decompressing the first compressed packet at the terminal equipment to generate off-line leg data; thinning the off-line leg data according to a preset distance interval to generate second leg data, the second leg data and the off-line leg data having the same channel ID; performing waterway planning based on the second leg data to obtain a planned route, and determining a channel ID of the planned route; and retrieving data of a channel ID corresponding to the planned route in the offline route segment data to obtain navigation data which is used for a user to check on the terminal equipment. And the flexibility and reliability of waterway planning are effectively improved.