A01D34/008

All wheel drive robotic vehicle with steering brake
11498205 · 2022-11-15 · ·

A robotic vehicle (10) comprising a first chassis platform (200) comprising a first wheel assembly (202) and a second chassis platform (210) comprising a second wheel assembly (212). The first and second chassis platforms (200, 210) is arranged to be spaced apart from each other. The robotic vehicle (10) further comprises a linkage (220) operably coupled to the first chassis platform (200) and the second chassis platform (210). The linkage (220) being coupled so as to be fixed relative to the first chassis platform (200) and so that the second chassis platform (210) is rotatable relative to the first chassis platform (200), wherein the second chassis platform (210) comprises a turning axis (400). Said robotic vehicle (10) further comprising an electric brake (262) disposed proximate to a turning shaft (422) of the linkage (220). The electric brake (262) being selectively applied by processing circuitry (110) to resist turning of the second chassis platform (210) about the turning axis (400) and being selectively released to allow the second chassis platform (210) to turn about the turning axis (400).

Vision based guidance system and method for lawn mowing devices
11582903 · 2023-02-21 · ·

Vision based guidance system and method for lawn mowing devices are disclosed. An exemplary method for operating an autonomous lawn mower includes receiving, via a receiver, a perimeter data set from a handheld computer. The perimeter data set includes a perimeter outline of at least one perimeter that is determined utilizing a GPS unit of the handheld computer. The exemplary method also includes collecting, via at least one camera, images of a set area within the perimeter outline and mowing, via a mowing blade, grass within the set area. The exemplary method also includes autonomously steering, via a controller, the autonomous lawn mower based on the perimeter outline of the at least one perimeter and the images captured by the at least one camera.

Outdoor power equipment machine with presence detection
11500383 · 2022-11-15 · ·

A mobile outdoor power equipment machine for performing a controlled task within a work area includes a drive system for providing movement of the machine, a working apparatus for performing the task, and a scanning system for scanning an area surrounding the machine. The scanning system is configured to provide detection of physical elements in the environment to aid in navigation of the machine. In an embodiment, the scanning system and a control system are configured to scan the area, determine the presence of a physical element in the area, determine that the physical element is located within the work area, determine the proximity of the physical element to the machine, determine a confidence level of whether the physical element is an animate being, and direct a behavior of the machine correlating to a combination of the confidence level and the proximity.

Lawnmower and method of cleaning a rolling surface of a wheel of a lawnmower
11497159 · 2022-11-15 · ·

A lawnmower (1) is disclosed comprising at least one wheel (3) configured to support the lawnmower (1) during operation. The at least one wheel (3) comprises a rolling surface (5), and the lawnmower (1) comprises a cleaning device (7) configured to clean the rolling surface (5), and an actuator (9) configured to move the cleaning device (7) relative the rolling surface (5). The present disclosure further relates to a method (100) of cleaning a rolling surface (5) of at least one wheel (3) of a lawnmower (1).

Control system for a mower conditioner implement
11497161 · 2022-11-15 · ·

A mower conditioner implement includes a cutting system for cutting crop material, and a crop conditioning system for receiving the cut crop material from the cutting system and conditioning the cut crop material to facilitate drying. An image sensor senses an image of the cut crop material. The image includes a color spectrum of the cut crop material from reflected light emitted from a light source. A computing device compares the color spectrum of the image to a calibrated color measurement to determine an ash content in the cut crop material, and/or a degree of stem conditioning of the cut crop material. The computing device may then communicate the results to an operator, and/or adjust the cutting system or the crop conditioning system based on the ash content or the degree of stem conditioning.

Removable cover for a robotic cleaning device

A device for covering a plurality of different sized robotic systems. The device can include a cover sized to at least partially fit over the robotic system; one or more sidewalls extended from the cover, wherein the one or more sidewalls is configured to removably engage with each of the plurality of different sized robotic systems; and one or more apertures in the cover and/or the one or more sidewalls. The one or more apertures are selectively positioned and sized so as to prevent obstructing the one or more onboard sensors of the respective robotic system when the device is in an assembled state with the respective robotic system.

AUTONOMOUS LAWN MOWER
20220354050 · 2022-11-10 ·

An autonomous lawn mower includes: a housing, provided with a bottom shell, a movement module, a cutting mechanism with a cutting element, and a control module. The autonomous lawn mower further includes a protecting assembly provided with a protecting wall. In a horizontal direction, the protecting wall is disposed on an outer side of the cutting mechanism. The protecting assembly at least includes a movable protecting member. The protecting wall at least includes a movable protecting wall that is disposed at the movable protecting member and is located on the outer side of the cutting mechanism in the horizontal direction. When the cutting mechanism is at any cutting height and the movable protecting member is in a free state under no external force, a ground clearance of a lower end of the movable protecting wall is an initial distance. The initial distance remains less than M. 38 mm≤M≤40 mm. The movable protecting member is movable in a height direction relative to the bottom shell under the action of an external force, to change the ground clearance of the lower end of the movable protecting wall.

Weeding robot and method

An autonomous garden weeding robot includes a chassis, a motorized cutting subsystem, and a drive subsystem for maneuvering the chassis. A weed sensor subsystem is located on the chassis at a first elevation from the ground and a crop/obstacle sensor subsystem is located on the chassis at a second, higher elevation from the ground. The drive subsystem is controlled to maneuver the chassis about a garden. Upon detection of a weed, the motorized cutting subsystem is energized to cut the weed. The motorized cutting subsystem is de-energized after the chassis has moved a predetermined distance and/or after a predetermined period of time. Upon detection of a crop or obstacle, the drive subsystem is controlled to maneuver the chassis away from the obstacle.

Autonomous mobile robot comprising radar sensors
11493626 · 2022-11-08 · ·

According to an aspect of the present inventive concept there is provided an autonomous mobile robot comprising: a set of radar sensors, the sensors being arranged at spatially different positions on the mobile robot, the set including at least a first radar sensor having a first main detection lobe extending in front of the robot and a second radar sensor having a second main detection lobe extending in front of the robot, wherein the first radar sensor and the second radar sensor are arranged such that the first main detection lobe and the second main detection lobe intersect in front of the mobile robot.

Path planning method and system for lawn mower

The present disclosure relates to the field of intelligent lawn mowers and logic control technologies thereof, and discloses a path planning method for an intelligent lawn mower. The path planning method includes: starting a touch panel of the intelligent lawn mower; entering a path planning setting interface, which displays a schematic diagram of a region to be mowed, a path angle indicating image and a path angle setting image; receiving a touch input of a user with respect to the path angle setting image to set a path angle; adjusting, based on the set path angle, the path angle indicating image for display; and re-planning a path of the intelligent lawn mower based on the set path angle and a preset algorithm. The present disclosure further provides a path planning system for the intelligent lawn mower.