The present disclosure provides a robot recharging localization method including: calculating a directional angle of a first identification line based on identification points near a radar zero point of the first recognition line collected by a radar of the robot; determining a sequence of the identification points in an identification area according to the calculated directional angle of the first identification line, and finding two endpoints of the sequence of the identification points; determining dividing point(s) in the sequence of the identification points; fitting the sequence of the identification points to obtain a linear equation of the first identification line with respect to a coordinate system of a mobile robot; and determining a central positional coordinate of the first identification line based on the dividing point(s) and a linear equation, and determining a relative position of the robot based on the central positional coordinate and the linear equation.

A method for controlling a robotic vehicle in a delivery environment includes causing the robotic vehicle to deploy from an autonomous vehicle (AV) at a first AV position in the delivery environment. The method further includes localizing, via a robotic vehicle controller, an initial position within a global reference map using a robot vehicle perception system, receiving, from the AV, a 3-dimensional (3D) augmented map and localizing an updated position in the delivery environment based on the 3D augmented map and the global reference map. The robot vehicle perception system senses obstacle characteristics, and generates a unified 3D augmented map with robot-sensed obstacle characteristics. The method further includes generating a dynamic path plan to a package delivery destination using the unified 3D augmented map, and actuating the robot vehicle to the package delivery destination according to the dynamic path plan.

An autonomous moving object comprising a radar sensor is provided. The radar sensor is configured to, during movement, acquire data sets representing reflections from surface portions located within a distance range, and, at least at a sequence of occasions, illuminate a surface region and acquire a data set representing, for each of a set of distances within said distance range, an amplitude and a phase of reflected radar signals received from surface portions located at said distance. Said surface regions comprise common sub-region illuminated at each of said occasions. A radar signal processor is configured to receive the data sets acquired at each of said sequence of occasions. The received data sets form a collection of data sets, wherein each data set of said collection comprises a data subset pertaining to said common sub-region. A surface classifier processor is configured to output a classification of a surface type of the surface based on said collection of data subsets.

Embodiments of the present disclosure relate to a guiding system for a robot. The guiding system includes a millimeter-wave positioning system and a transmitter. The millimeter-wave positioning system is configured to determine a position of the robot relative to a base station for charging the robot. The transmitter is configured to emit a radar guiding signal for guiding the robot to the base station and to steer the radar guiding signal towards the position of the robot.

One variation of a method for maintaining perpetual inventory within a store includes: accessing a radar scan of an inventory structure within a store; accessing an optical image of the inventory structure; identifying a product type associated with the slot in a region of the optical image; retrieving a volumetric definition of the product type; locating a slot volume defining the slot in the radar scan; extracting a volumetric representation of a set of product units intersecting the slot volume in the radar scan; segmenting the volumetric representation by the volumetric definition to calculate a quantity of the set of product units occupying the slot; and updating a stock record of the store to reflect the quantity of the set of product units occupying the slot.

The present invention relates to a method for determining a location of an object, the method comprising processing image data to determine a direction between a camera capturing an image and the object; processing additional data comprising at least one of map data and velocity sensor data; and combining information based on the image data and the additional data to arrive at a location of the object. The present invention also relates to a corresponding robot configured to carry out such a method.

A radar sensor for factory and logistics automation is provided, including: a radar circuitry including a radar chip, configured to generate, emit, receive, and evaluate radar measurement signals; and a housing in which the radar circuitry is located and in which the radar chip has a cross-sectional area of less than 1 cm.sup.2, the radar measurement signals having a frequency above 160 GHz and being focused such that a resulting beam aperture angle is less than 5°.

A system includes a movable part that is rotatably movable, the movable part comprising a first portion and a second portion; transceiver circuitry configured to transmit a radio signal towards the movable part and to receive a receive radio signal from the movable part; and evaluation circuitry configured to determine a rotational position of the movable part based on the receive radio signal. The first portion of the movable part has a first electromagnetic reflectivity for the radio signal and the second portion of the movable part has a second electromagnetic reflectivity for the radio signal. The first electromagnetic reflectivity differs from the second electromagnetic reflectivity.

A radar sensor includes: a transceiver unit for emitting a radar beam at at least two different wavelengths along a beam path in an outgoing direction and to receive radar radiation along the beam path in an incoming direction; and a reference object placed in the beam path for redirecting part of the outgoing radar beam in the incoming direction. The reference object includes two identical grids, each grid having regularly spaced elements arranged at a distance d from each other in a first direction perpendicular to the beam path, the grids being spaced from one another along the beam path by a distance L. The transceiver unit is operable at a wavelength λ which satisfies

[00001]$L=n\frac{2d}{{\lambda }^2}$

n being an integer.

An electric device, including a body, a working module, a control module, and a radar, where the radar includes: an antenna unit, configured to transmit and receive an electromagnetic wave signal; a transmitting unit, configured to generate an electromagnetic wave signal transmitted by the antenna unit; a receiving unit, configured to process an electromagnetic wave signal received by the antenna unit; and a control unit, connected to the transmitting unit and the receiving unit; where the antenna unit, the transmitting unit, the receiving unit, and the control unit are integrated in one chip. The described chip-type radar is small in size and low in cost, the detection accuracy is improved through the combination of multiple radars, and the influence on appearance design is minimized.