Abstract: A wheel for reducing a resonance noise in a vehicle may include a cylindrical-shaped rim on which a tire is mounted, and waveguides mounted on the rim, disposed in a cavity which is a space between the rim and the tire, having a ‘U’-shaped internal passage through which a sound wave generated in the cavity enters, and configured to reflect the sound wave entering the internal passage to generate a sound wave having an inverse phase, wherein a center portion of the internal passage extends in an axial direction of the rim, and first and second end portions of the internal passage are connected to a center portion of the internal passage to allow the sound wave to propagate and extend in a circumferential direction of the rim.

Abstract: Disclosed are an autonomously traveling mobile robot and a traveling control method thereof, which can control the traveling of the mobile robot according to a first traveling mode in which the mobile robot travels by following obstacles located around the mobile robot or a second traveling mode in which the mobile robot travels in consideration of a positional relation with an existing traveling trajectory through which the mobile robot has already traveled, and generate candidate spots where the mobile robot can travel while the mobile robot travels along the traveling trajectory to implement a spiral cleaning pattern.

Abstract: A moving path planning apparatus and method for a robot according to the exemplary embodiment of the present disclosure determine an actual moving path using a robot parameter set in advance on the basis of a moving path pattern acquired for every sub region of the map to determine an actual moving path of the robot in consideration of the turning radius of the robot.

Abstract: The region segmentation apparatus and method for map decomposition of a robot according to the exemplary embodiment of the present disclosure segment the grid map into a plurality of regions in consideration of the graphic characteristic of the space and obstacles disposed in the space.

Abstract: Disclosed are a mobile robot operation control method for safety management of a cleaning module and an apparatus therefor. The mobile robot operation control method for safety management according to an exemplary embodiment of the present disclosure includes a current measuring step of measuring a current value by sensing a current for a motor which is connected to a cleaning module to be driven; a cleaning module safety management step of determining a state of the cleaning module based on the measured current value and determining a safety management control mode based on the determination result; and an operation control step of controlling an operation of a mobile robot based on the safety management control mode.

Abstract: An apparatus for localizing a robot having robustness to a dynamic environment includes a map building unit which builds a map based on SLAM; a localizing unit which acquires first feature from sensor data acquired by a sensor mounted in a robot and localizes the robot using the first feature acquired from the sensor data based on the map built by the map building unit; and a map updating unit which reduces an error caused by the movement of the robot by correcting the first feature using an estimated position of the robot with regard to a feature obtained from a static object, among the first features acquired by the localizing unit.

Abstract: A functional safety system of a robot according to an exemplary embodiment of the present disclosure can duplicate modules so as to satisfy a performance level d (pl-d) required for the functional satisfy of a robot.

Abstract: A functional safety system of a robot according to an exemplary embodiment of the present disclosure can duplicate modules so as to satisfy a performance level d (pl-d) required for the functional satisfy of a robot.

Abstract: A functional safety system of a robot according to an exemplary embodiment of the present disclosure can generate a safety zone which is a zone to sense whether an obstacle is present.

Abstract: An apparatus and a method for editing 3D SLAM data according to an exemplary embodiment of the present disclosure directly edits a key frame or an edge of simultaneous localization and mapping (SLAM) data by the user's manipulation, optimizes a pose graph of the 3D SLAM data based on the key frame and the edge edited by the user's manipulation, and generates a 2D grid map corresponding to the 3D SLAM data based on the updated 3D SLAM data to improve the convenience of the user for editing the 3D SLAM data.

Abstract: The apparatus for detecting and removing a dynamic obstacle of a robot and the operating method thereof according to a predetermined exemplary embodiment detect and remove the dynamic obstacle while simultaneously performing the mapping and the localizing using the simultaneous localization and mapping (SLAM) technique to efficiently detect and remove a dynamic obstacle even in a situation in which a dynamic change of surrounding environment is severe and an environment to be localized is large.

Abstract: Disclosed is a Light Detection and Ranging (LIDAR) sensor which is capable of minimizing the size of a LIDAR sensor which is capable of performing 3D scanning and setting a region of interest for obtaining point cloud data with the removal of light scattering, by separating a transmitter module and a receiver module; disposing a transmitter, a mirror, and a receiver in a specific space so that light emitted from a light source or light reflected from a transmission mirror is reflected from a first reflection region of a moving mirror and is then moved to a target object, after which light reflected from the target object is reflected from a second reflection region of the moving mirror and is moved to the transmission mirror or a photodiode; installing a blocking wall separating movement paths of light; and adjusting the range of movement of the moving mirror.

Abstract: The present embodiments provide a rotational scanning LIDAR sensor minimized in size, the sensor adjusting the exposure time and intensity of light according to a scanning situation through a plurality of transmitter/receiver groups positioned on an inclined surface of a rotary module, thereby generating a point cloud having improved distance measurement accuracy to an object, and extracting a relative angle on the basis of a reflective pattern reflected from the object.

Abstract: The present exemplary embodiments propose a LIDAR sensor including: a transmission/reception module which transmits transmission light and receives reception light reflected from an object and includes a shielding assembly unit located between a path through which the transmission light moves and a path through which the reception light moves, a reflector assembly which has an empty space to assemble the transmission/reception module at one side, receives the transmission light from the transmission/reception module to reflect the transmission light toward the object and transmits the reception light reflected from the object to the transmission/reception module, a rotary module which rotates the transmission/reception module, and a fixing module which supports the transmission/reception module and the rotary module.

Abstract: The present exemplary embodiments propose a LIDAR sensor including: a transmission/reception module which transmits transmission light and receives reflection light reflected from an object; a reflector assembly which has an empty space to assemble the transmission/reception module at one side, receives the transmission light from the transmission/reception module to reflect the transmission light toward the object and transmits the reception light reflected from the object to the transmission/reception module, a rotary module assembly which rotates the transmission/reception module and generates an RPM and a rotation angle based on a light reception amount of the reflection light which is received by a sensor unit by reflecting the transmitted light; and a fixing module which supports the transmission/reception module and the rotary module.

Abstract: The present exemplary embodiments propose a LIDAR sensor including: a transmission/reception module which transmits transmission light and receives reception light reflected from an object and removes transmission light or reception light moving in a predetermined direction, a reflector assembly which has an empty space to assemble the transmission/reception module at one side, receives the transmission light from the transmission/reception module to reflect the transmission light toward the object and transmits the reception light reflected from the object to the transmission/reception module, a rotary module which is connected to a lower portion of the transmission/reception module and generates a torque to be implemented to be rotatable, and a fixing module which supports the transmission/reception module and the rotary module.

Abstract: The present exemplary embodiments provide a hybrid sensor, a Lidar sensor, and a moving object which generate composite data by mapping distance information on an obstacle obtained through the Lidar sensor to image information on an obstacle obtained through an image sensor and predict distance information of composite data based on intensity information of a pixel, to generate precise composite data.

Abstract: Disclosed are 3D LiDAR based target object recognizing method, apparatus, and a mobile object using the same. A target object recognizing method according to an exemplary embodiment of the present invention includes an irradiating step of irradiating laser light to a reference target object; an acquiring step of acquiring LiDAR data generated based on a reflection signal reflected from the reference target object; a learning step of generating a reference map and virtual LiDAR data based on the LiDAR data and determining a weight for recognizing a target object by performing the deep learning based on the virtual LiDAR data; and recognizing a new target object by applying the weight when new LiDAR data with respect to the new target object is acquired.

Abstract: A map noise reduction apparatus and method of a robot according to the exemplary embodiment of the present disclosure reduce a noise such as an outer noise and an inner nose which may be caused due to a sensor characteristic and an environmental factor while generating a grid map and simplify a contour of the grid map to provide a neater and clear grid map.

Abstract: A moving path planning apparatus and method for a robot according to the exemplary embodiment of the present disclosure determine an actual moving path using a robot parameter set in advance on the basis of a moving path pattern acquired for every sub region of the map to determine an actual moving path of the robot in consideration of the turning radius of the robot.