A01D34/00

Robotic vehicle with adjustable operating area
11696524 · 2023-07-11 · ·

A robotic vehicle may include one or more functional components configured to execute lawn care function, a sensor network comprising one or more sensors configured to detect conditions proximate to the robotic vehicle, a positioning module configured to determine robotic vehicle position while the robotic vehicle traverses a parcel, and a boundary management module configured to enable the robotic vehicle to be operated within a bounded area. The bounded area may include a variable boundary, and the boundary management module may be configured to receive instructions from an operator to adjust the variable boundary.

A Robotic Mower with Integrated Assemblies

A mower is provided and includes: a case; a charging circuit provided in the case, and a combination of a wheel assembly and a charging interface assembly arranged on the case. The combination is electrically connected to the charging circuit. The combination includes: a wheel assembly; and a charging interface assembly electrically connected to the charging circuit. The wheel assembly and the charging interface assembly are integrated molding structure.

Automatic travel work machine, automatic travel grass mower, grass mower, and grass mower automatic travel system

The present invention provides an autonomous traveling work machine that can accurately receive positioning signals from navigation satellites and autonomously travel without deviating from a traveling path, even in the case of an inclined slope. The autonomous traveling work machine includes a traveling machine body, a positioning receiver that receives positioning signals from navigation satellites, an autonomous traveling control device that performs control for autonomous traveling along traveling paths based on the positioning signals, an inclination detection unit that detects the inclination of the traveling machine body and outputs inclination angle information, an inclination angle determination unit that determines an inclination angle based on the inclination angle information, and a rotation control mechanism that rotates the positioning receiver with one or more degrees of freedom. The rotation control mechanism keeps the positioning receiver horizontal based on the inclination angle.

Autonomous mower with adjustable cutting height
11696526 · 2023-07-11 · ·

An autonomous vehicle (e.g., mower) includes two or more wheels supporting a chassis upon a ground surface. A cutting motor powers at least one cutting blade, and a cutting frame supports the cutting motor relative to the chassis. The cutting frame is movable, relative to the chassis, to allow adjustment of a height-of-cut of the cutting blade relative to the ground surface. First and second guide rods are operatively attached to the chassis and are received within corresponding first and second apertures of the cutting frame to guide movement of the cutting frame. Biased bearings associated with the cutting frame may bias associated bearing members against the guide rods.

ROBOT AND METHOD FOR ASCERTAINING A DISTANCE TRAVELED BY A ROBOT
20230210048 · 2023-07-06 ·

A semiautonomous robot. The robot includes at least two powered locomotion devices and a monocular capture unit. The at least two locomotion devices are designed to rotate at least the capture unit about a rotational axis, which is situated in a fixed position relative to the capture unit, the capture unit and the rotational axis being set apart from each other. The robot further includes at least one control and/or regulating unit for ascertaining a distance traveled. As a function of a movement of the capture unit about the rotational axis fixed during the movement, in particular, at a known distance from the rotational axis and/or in a known orientation relative to the rotational axis, the control and/or regulating unit is configured to determine a distance conversion parameter, which is provided for ascertaining the distance traveled.

Method for detecting lifting of a self-propelled tool from the ground

The present disclosure relates to a self-propelled robotic tool (1) and a method in a self-propelled robotic tool (1), being used to detecting lifting of the self-propelled robotic device from the ground. The method includes collecting (21) driving data (31) related to the driving of a wheel (5), collecting (23) measured inertia data from an inertial measurement unit (13), IMU, in the self-propelled robotic tool, determining (25), using an estimation function (33), a residual parameter corresponding to a differential between said measured inertia data and estimated inertia data resulting from said driving data being input to said estimation function, and determining a lifting condition based on the residual parameter.

AUTONOMOUS MOBILE DEVICE AND METHOD FOR CONTROLLING SAME

An autonomous mobile device and a method for controlling the same are provided. The method includes: performing first positioning on the autonomous mobile device to acquire a first current pose of the autonomous mobile device in a first coordinate system; performing second positioning on the autonomous mobile device when determining, based on the first current pose and a first preset pose of a charging station in the first coordinate system, that a distance between the autonomous mobile device and the charging station is less than or equal to a first preset distance, to obtain a second current pose of the autonomous mobile device in a second coordinate system, and determining, based on the second current pose and a second preset pose of the charging station in the second coordinate system, a second planned path for directing the autonomous mobile device to a docking position of the charging station.

ROBOT LAWN MOWER AND CONTROLLING METHOD THEREOF
20230210049 · 2023-07-06 · ·

A controlling method of a robot lawn mower includes a mowing procedure, an interruption determining procedure and an interrupting procedure. The interruption determining procedure includes steps of receiving sensing data indicating a current sensing result related to at least one of surrounding environment or an operation status of the robot lawn mower, and determining whether an interruption condition related to at least one of an environment factor or an operation factor of the robot lawn mower is met. When it is determined that the interruption condition is met, the interrupting procedure is executed, and the robot lawn mower moves to a preset standby location.

Adaptive engine speed control system

An adaptive engine speed control system for a grass mowing machine having an internal combustion engine, a hydrostatic traction drive circuit and a hydraulic mowing circuit for operating a plurality of cutting units. A controller provides a traction feedback output signal if the grass mowing machine is moving at an actual ground speed that is below a pedal based desired ground speed, and uses the traction feedback output signal to command the internal combustion engine to an increased speed above a pedal based engine speed control range.

Lateral transport system for an agricultural mower
11547034 · 2023-01-10 · ·

An agricultural mowing device that includes a tongue configured for connecting to an agricultural vehicle, a trail frame rotatably connected to the tongue about an axis of rotation, a first trail-frame wheel and a second trail-frame wheel each being rotatably connected to the trail frame, and a cutter bar connected to the trail frame. The cutter bar includes a front end and a back end. The mowing device also includes a transport system that has a transport frame rotatably connected to the tongue and a first transport wheel and a second transport wheel each being rotatably connected to the transport frame. In the transport position, the first and second transport wheels support the trail frame. The first transport wheel is radially closer to the axis of rotation of the trail frame than the front end of the cutter bar in the transport position.