62results about How to "Avoid missed scans" patented technology

The invention relates to a cleaning robot control method. The method comprises the steps that information of an environment where a cleaning robot is located is detected, and a cleaning environment map is generated, wherein the cleaning environment map comprises obstacle information and an obstacle-free region; the cleaning environment map is subjected to meshing to generate multiple cleaning subregions; cleaning paths in the corresponding cleaning subregions are generated according to the obstacle information and the obstacle-free region in the cleaning subregions, and the cleaning robot is controlled to clean the cleaning subregions one by one according to the cleaning paths in the cleaning subregions. According to the method, the cleaning coverage degree of the cleaning robot can be larger, and the cleaning efficiency of the cleaning robot can be higher.

The invention relates to a robot traversal control method, a chip and a cleaning robot. The robot traversal control method comprises the following steps: the robot delineates a region to be traversedby combining the positioning edge with the edge; after traversing the region, the robot delineates the next region to be traversed in the same way; then traversing is continued; and the traversal of all the regions is completed in the same way. According to these traversal modes, the region to be cleaned is divided into multiple small regions with the starting point of the robot as the center of the circle and traversal is performed with the small regions acting as the unit. The method is suitable for traversal of a single interval and can improve the traversal efficiency and the user experience of the robot. In addition, the robot can avoid skipping some regions with smaller entrances in this way.

The embodiment of the invention provides an obstacle avoidance method and device for a self-walking robot, the robot and a storage medium. The method comprises the following steps: acquiring and recording the information of obstacles in a walking process, wherein the information of the obstacles comprises type information and position information of the obstacles; and receiving an operation instruction for a specified obstacle, wherein the operation instruction enables obstacle avoidance operation not to be performed on the obstacle of the same type when the obstacle of the same type as the specified obstacle is detected again in the area range marked with the specified obstacle. According to embodiments of the invention, missing scanning of a cleaning area caused by blind obstacle avoidance is avoided, cleaning accuracy is improved, and user experience is improved.

The invention provides a method and system for improving a cleaning coverage rate on the basis of a cleaning robot. The method comprises the steps that the robot determines a closed clean region; andthe robot determines whether a moving obstacle exists in the closed clean region. The system comprises a radar detection module and an execution module; the radar detection module is used for detecting the closed clean region and determining the obstacle with the changed position; and the execution module is used for driving the robot to enter a new to-be-cleaned region and carrying out cleaning on the new to-be-cleaned region. According to the method and system for improving the cleaning coverage rate on the basis of the cleaning robot, the dynamic obstacle in a scene where the mobile robot is positioned can be efficiently identified and detected out, and the new to-be-cleaned region formed after the dynamic obstacle moves is cleaned, so that cleaning omission is prevented, and the cleaning coverage rate is improved.

The invention discloses a frequency sweeping method and device for a small bandwidth communication system. A to-be-swept band is divided into a plurality of subbands according to system performance; frequency points in each subband are determined according to the minimum bandwidth of a system; FFT operation, slide accumulation operation and grid deviation accumulation operation are carried out ontime domain signals according to fixed gain; and after power distribution of all frequency points on the to-be-swept band are obtained, whether to adjust gain values to recalculate the power of each frequency point is decided according to a threshold demand. All frequency points of which power satisfying the threshold demand are screened according to the method, namely, all resident frequency points are obtained. According to the method and the device, the collected time domain signals are processed according to the fixed gain; the AGC (Automatic Gain Compensative) convergence time does not need to be reserved; and the integrated data processing time is greatly reduced. According to the method and the device, the frequency point distribution in each subband is determined according to the minimum bandwidth of the system and the power of each real frequency point is directly calculated in an bandwidth mode, so the sweeping omission condition resulting from the fact that calculated central frequency points are not the real frequency points is avoided.

The invention discloses a block selection method for a sweeping robot. The method comprises the steps that the sweeping robot acquires characteristic information of a target block from an environmentmap when executing a sweeping task, wherein the environment map is stored in the sweeping robot, characteristic information of multiple blocks is stored in the environment map, and the target block belongs to the blocks; based on the characteristic information of the target block, whether or not the target block needs to be swept is judged; if yes, the sweeping robot is controlled to enter the target block from an entrance of the target block and sweep the target block. The block selection method has the advantages that the sweeping efficiency is improved, and missing sweeping is avoided. Meanwhile, the invention discloses a block selection device for the sweeping robot.

The present invention discloses a face recognition-based self-service cash register and belongs to the technical field of autonomous cash registration. The face recognition-based self-service cash register comprises a base and a cabinet arranged at the top end of the base; a supporting plate is arranged at one side of the top end of the cabinet; the bottom of the outer wall of one side of the supporting plate is provided with an operating platform; a display screen is embedded in the side wall of the supporting plate; an electric control sliding rail is arranged at one side of the side wall ofthe supporting plate; a sliding block is connected into the electric control sliding rail in a sliding manner; and the side wall of the sliding block is provided with a camera and a light supplementation lamp. According to the self-service cash register, the electric sliding rail is adopted; the lifting of the camera can be controlled through the electric control sliding rail, so that the faces of people with different heights can be photographed from the front sides of the people, and therefore, a phenomenon that the faces cannot be scanned can be avoided; the light supplementation lamp is adopted, and can be used to supplement light for scanning, and therefore, fuzzy scanning phenomena can be avoided; a monitor is adopted, and the monitor can photograph the payment operation actions ofcustomers in real time, and therefore, a condition that articles are not subjected to code scanning and are not paid can be avoided; and the safety of autonomous cash registration can be improved.

The invention discloses an obstacle avoidance method and an obstacle avoidance device based on line laser. The obstacle avoidance method comprises the steps of: emitting two beams of crossed line laser to a target region; acquiring a target region image; calculating bright spot coordinates formed by the line laser in the target region image; judging whether an obstacle exists in the target regionor not according to the bright spot coordinates; if the obstacle exists and the height of the obstacle exceeds a preset obstacle crossing range, enabling a sweeper to avoid the obstacle; and if the obstacle does not exist or the height of the obstacle does not exceed the preset obstacle crossing range, enabling the sweeper to pass through the target region. According to the obstacle avoidance method and the obstacle avoidance device, the laser is shot by a camera after being reflected, and after the camera shoots a laser picture, coordinate analysis is carried out on bright spots in the picture, so that obstacles such as a power line are recognized, and winding and collision are prevented; a cliff and an overhigh lower step can further be recognized, and falling is prevented; in addition,an upper step within the obstacle crossing capacity can be recognized, missed sweeping is prevented, and therefore active obstacle avoidance is achieved, and the working efficiency of the sweeper is improved.

The invention discloses a radio-frequency recognition dynamic scanning device, which comprises two vertical columns in vertical parallel arrangement. A supporting frame is transversely fixed to upperends of the two vertical columns, a first driving motor is arranged on the side wall of the lower end of one of the vertical columns, the side wall of the other vertical column is in rotational connection with a rotating shaft matched with an output shaft of the first driving motor through a rotating part, and a conveying belt sleeves the side wall of the rotating shaft. The vertical columns are in hollow structures, vertical plates are vertically arranged in the vertical columns, second driving motors are fixed to the vertical plates and rotationally connected with gears matched with the second driving motors, the gears are positioned in rectangular frames arranged in the vertical columns, the side wall of each rectangular frame is provided with two racks matched with the corresponding gear, and the two racks are positioned on two sides of the corresponding gear. The radio-frequency recognition dynamic scanning device has the advantage that goods at different heights can be scanned toprevent scanning omission.

The embodiment of the invention provides a method for a robot to avoid a charging base and the robot. The method comprises the steps that when a near-field signal is detected, position information ofa robot and a charging base is determined; wherein the near-field signal is sent out by the charging base; and determining the walking distance between the robot and the charging base according to theposition information. According to the method, the near-field signal is detected in real time; when a near-field signal is detected. Therefore, it can be determined that the robot is close to the charging base. Further, the robot starts to determine the position information of the charging base; and the walking distance between the robot and the charging base is determined according to the obtained position information, so that the robot accurately judges the position of the charging base, then accurate avoidance action is adopted, the walking distance between the robot and the charging baseis controlled, missing scanning of the area near the charging base is avoided, and the cleaning rate is increased.

The invention relates to a method for removing a paint layer on an inner wall surface of a cylindrical component. The method comprises the following steps that working parameters of a laser generatorare set, and the laser generator is driven to stretch into the cylindrical component by means of an actuating mechanism; the laser generator is controlled to output indication light, and a posture ofthe laser generator is adjusted, so that the indication light can be aligned with a preset cleaning starting point; and the actuating mechanism is started and the laser generator is driven to move, the laser generator is controlled to output laser, and laser scanning is performed on the paint layer on the inner wall surface of the cylindrical component to complete removal of the paint layer on theinner wall surface of the cylindrical component. The method can solve the problem that white paint is low in light absorptivity and thus difficult to remove, a coating on the inner wall surface is accurately removed, a process is simple and easy to operate, an environment cannot be polluted, meanwhile, automatic operation is convenient to achieve, only the coating on the inner wall surface of thecylindrical component is removed, a metal part of the cylindrical component cannot be damaged, an cleaning effect is good, and no coating is left.

The invention discloses a method for judging ending of an edge-walking behavior of a robot, a chip and the robot. The judgment method comprises the following steps: controlling the robot to walk alongthe edge from a preset edge starting point in the working area; when the position relation of the current position of the robot relative to the preset edge starting point meets the position posture coincidence condition, if it is judged that the length of the robot edge walking path relative to the perimeter of the edge covering rectangle framed in real time meets the path repetition condition, and it is judged that the area of the area occupied by the robot edge walking path relative to the area of the edge covering rectangle framed in real time meets the area covering condition, determiningthat the robot edge-walking behavior is ended. Compared with a single judgment condition in the prior art, the accuracy in judging wall-following ending is improved, and subsequent missing sweeping or repeated sweeping can be avoided.

The invention discloses an article warehousing code scanning assembly based on a database system, and relates to the technical field of information input and related equipment thereof. The article warehousing code scanning assembly based on the database system comprises a conveying frame, wherein a motor A is installed on one side of the front of the conveying frame; an adjusting assembly A and an adjusting assembly B are arranged in the center of the front of the conveying frame; the adjusting assembly A comprises an electric telescopic rod C and an electric telescopic rod D; the adjusting assembly B comprises a supporting rod A and a supporting rod B; a preset assembly comprises a moving plate A and a motor D; and a blocking assembly comprises an electric telescopic rod J and an electric telescopic rod K. According to the article warehousing code scanning assembly based on the database system provided by the invention, the position of a data code on an article is confirmed through the preset assembly, and code pre-scanning is carried out, so that the code scanning accuracy is improved; meanwhile, the adjusting assembly A and the adjusting assembly B are used for overturning the data code of the article to the top, so that the labor amount of workers can be reduced, and the situation of missing scanning is avoided; and rear articles are blocked through the blocking assembly, so that article blocking caused by the fact that all the articles are stacked at the pre-code-scanning position is avoided.