An electric riding lawn mower includes a seat for a user to ride, a main frame to support the seat, a power output assembly including a mowing element to output power to realize mowing function and a first motor to drive the mowing element, a walking assembly to at least drive the electric riding lawn mower to travel in the direction of a first straight line on the ground and a second motor to drive the walking assembly, and a power supply device to power the electric riding lawn mower with a first battery pack, which includes a first battery pack housing and a plurality of battery cells disposed therein. The power supply device is mounted to the main frame. At least one of the first battery packs of the power supply device forms a pluggable connection with the main frame. The battery cells are lithium batteries.

A me.sub.thod for determining output data from crop plant characteristics for a crop plan comprising, in a data processing system providing measurement data detected for a crop plant; determining model data representing a three dimensional model of the crop plant from the measurement data; segmenting the three dimensional model determining first crop plant characteristics for a first subpart of the crop plant provided in a first three dimensional segment segments; and providing output data at an output device. The output data comprise at least one of the following: media data and operation control data indicative of operation control signals for controlling operating of an agricultural machine working on the crop plant, the operation control signals comprising first operation control signals determined from the first crop plant characteristics and configured to control operation of the agricultural machine for applying an agricultural treatment to the first subpart of the crop plant.

A me.sub.thod for determining output data from crop plant characteristics for a crop plan comprising, in a data processing system providing measurement data detected for a crop plant; determining model data representing a three dimensional model of the crop plant from the measurement data; segmenting the three dimensional model determining first crop plant characteristics for a first subpart of the crop plant provided in a first three dimensional segment segments; and providing output data at an output device. The output data comprise at least one of the following: media data and operation control data indicative of operation control signals for controlling operating of an agricultural machine working on the crop plant, the operation control signals comprising first operation control signals determined from the first crop plant characteristics and configured to control operation of the agricultural machine for applying an agricultural treatment to the first subpart of the crop plant.

An electric riding lawn mower includes a seat for a user to ride, a main frame to support the seat, a power output assembly including a mowing element to output power to realize mowing function and a first motor to drive the mowing element, a walking assembly to at least drive the electric riding lawn mower to travel in the direction of a first straight line on the ground and a second motor to drive the walking assembly, and a power supply device to power the electric riding lawn mower with a first battery pack, which includes a first battery pack housing and a plurality of battery cells disposed therein. The power supply device is mounted to the main frame. At least one of the first battery packs of the power supply device forms a pluggable connection with the main frame. The battery cells are lithium batteries.

An electric riding lawn mower includes a seat for a user to ride, a main frame to support the seat, a power output assembly including a mowing element to output power to realize mowing function and a first motor to drive the mowing element, a walking assembly to at least drive the electric riding lawn mower to travel in the direction of a first straight line on the ground and a second motor to drive the walking assembly, and a power supply device to power the electric riding lawn mower with a first battery pack, which includes a first battery pack housing and a plurality of battery cells disposed therein. The power supply device is mounted to the main frame. At least one of the first battery packs of the power supply device forms a pluggable connection with the main frame. The battery cells are lithium batteries.

The reciprocating cutting blade apparatus includes: a pair of reciprocating cutting blades disposed to overlap one another in a thickness direction; a support member configured to reciprocably support the reciprocating cutting blades in a longitudinal direction; and an adjustment mechanism configured to adjust a gap between the reciprocating cutting blades on a lower surface side of the support member. The adjustment mechanism includes: a screw hole provided in the support member; an adjustment screw including an external thread configured to threadedly engage with the screw hole through long holes provided in the reciprocating cutting blades; and a nut configured to threadedly engage with the external thread protruding from an upper surface of the support member to fix the external thread to the support member. The external thread protruding from the upper surface of the support member includes an operated portion configured to be operated to turn the adjustment screw.

Problems to be Solved

To provide a control apparatus for an unmanned aerial vehicle and an unmanned aerial system capable of pruning a tree by appropriately specifying a pruning position to prune a branch of the tree and further adjusting a shape of the tree.

[Solution]

A control apparatus 3 for an unmanned aerial vehicle 2 according to the present invention includes a tree shape information generation section 312 capable of generating tree shape information of a target tree T1 targeted for pruning by using two or more tree images P of the target tree T1 taken from different directions and a shape generating neural network N1; a pruning position specifying section 316 capable of specifying a pruning position of the target tree T1 by using the tree shape information; an operation control section 318 capable of controlling a flight state of the unmanned aerial vehicle and an operation of the pruning structure in accordance with the pruning position P; a tree shape evaluation receiving section 313 capable of receiving a tree shape evaluation related to the tree shape information; and a shape learning section 314 capable of causing the shape generation neural network N1 to machine-learn a shape of the tree on the basis of the tree images, the tree shape information, and the tree shape evaluation.

An electric riding lawn mower includes a seat for a user to ride, a main frame to support the seat, a power output assembly including a mowing element to output power to realize mowing function and a first motor to drive the mowing element, a walking assembly to at least drive the electric riding lawn mower to travel in the direction of a first straight line on the ground and a second motor to drive the walking assembly, and a power supply device to power the electric riding lawn mower with a first battery pack, which includes a first battery pack housing and a plurality of battery cells disposed therein. The power supply device is mounted to the main frame. At least one of the first battery packs of the power supply device forms a pluggable connection with the main frame. The battery cells are lithium batteries.

System for hedge pruning and method for making and using the same. An exemplary system for hedge pruning includes a mounting assembly for connecting to a mobile platform, the mounting assembly defining a pivot point region thereon, a cutting arm rotatably coupled to the mounting assembly at the pivot point region. And a blade assembly connected to an end region of the cutting arm such that the blade assembly prunes a hedge along an arc defined based upon rotation of the cutting arm about the pivot point region. Advantageously, the system provides an ability to discriminate selected plants in a hedge to improve grove health and exploit alternate bearing nature of certain groves, resulting in a more consistent production each year. Differentiated treatment can be provided within a row of the plants while pruning the hedges in an automated manner that is more efficient than manual pruning.

A gardening trimmer may include: a first blade; a facing member overlapping with the first blade in a second direction perpendicular to a first direction; and a suppressing structure. Grease may be applied to at least a part of a conversion mechanism. The first blade may include: a plurality of first slots; and a plurality of pairs of first connecting portions, wherein each pair of the first connecting portions is disposed at opposite ends of corresponding one of the first slots in a third direction perpendicular to the first and second directions. The suppressing structure may be configured to suppress the grease from moving toward a front end of the first blade in the first direction. The suppressing structure may be disposed on the facing member at a position facing at least one pair of in the second direction when the first blade reciprocates relative to the facing member.