Assistance device, work machine, and recording medium

Abstract

An assistance device includes circuitry configured to acquire data relating to a shape of a work target around a work machine; and propose, to a user, a movement from among a plurality of candidate movements in a predetermined work of the work machine, based on the acquired data, the plurality of candidate movements being of different types from each other.

What is claimed is: 
     
         1 . An assistance device comprising:
 circuitry configured to:   acquire data relating to a shape of a work target around a work machine; and   propose, to a user, a movement from among a plurality of candidate movements in a predetermined work of the work machine, based on the acquired data, the plurality of candidate movements being of different types from each other.   
     
     
         2 . The assistance device according to  claim 1 ,
 wherein when the predetermined work is a ground leveling work at a work site, the plurality of candidate movements include at least two of a sweep-out movement, a horizontal leveling movement, a rolling compaction movement, or a broom-turning movement.   
     
     
         3 . The assistance device according to  claim 1 ,
 wherein the circuitry is further configured to:   estimate a movement suitable for the shape of the work target around the work machine from among the plurality of candidate movements, based on the acquired data relating to the shape of the work target around the work machine, using a trained model trained by machine learning with training data relating to movements of the work machine, the movements of the work machine corresponding to the shape of the work target and being operated by a relatively highly skilled operator, and   wherein the circuitry proposes the movement from among the plurality of candidate movements, based on an estimation result.   
     
     
         4 . The assistance device according to  claim 1 ,
 wherein the circuitry proposes, to the user, a plurality of movements from among the plurality of candidate movements, based on the acquired data.   
     
     
         5 . The assistance device according to  claim 4 ,
 wherein the plurality of proposed movements include a movement having a relatively low suitability for the shape of the work target around the work machine, from among the plurality of candidate movements.   
     
     
         6 . The assistance device according to  claim 1 ,
 wherein the circuitry proposes one or a plurality of movements from among the plurality of candidate movements, based on the acquired data, together with a suitability of the proposed one or the proposed plurality of movements for the shape of the work target around the work machine.   
     
     
         7 . The assistance device according to  claim 1 ,
 wherein the circuitry proposes the movement from among the plurality of candidate movements, based on the acquired data, together with one or more trajectories of a work part of the work machine by the proposed movement.   
     
     
         8 . The assistance device according to  claim 7 ,
 wherein the circuitry proposes the movement from among the plurality of candidate movements, based on the acquired data, together with a plurality of trajectories of the work part by the proposed movement and a suitability for the shape of the work target around the work machine on a per plurality of trajectories basis.   
     
     
         9 . The assistance device according to  claim 7 , further comprising:
 a display device,   wherein the circuitry causes the display unit to display the one or more trajectories of the work part by the proposed movement from among the plurality of candidate movements in a superimposed manner on an image representing a situation around the work machine.   
     
     
         10 . The assistance device according to  claim 1 , wherein the circuitry is further configured to:
 cause, when a movement of the work machine is proposed, the work machine to automatically execute the proposed movement, in response to an input of an instruction from the user.   
     
     
         11 . The assistance device according to  claim 1 , further comprising:
 a display unit configured to display an image representing the shape of the work target, based on the acquired data,   wherein the circuitry is further configured to:   set a point serving as a target in the shape of the work target during movement of the work machine; and   generate a trajectory of a work part of the work machine, based on the acquired data, a target shape of the work target, and the set point.   
     
     
         12 . A work machine comprising:
 circuitry configured to:   acquire data relating to a shape of a work target around a work machine; and   propose, to a user, a movement from among a plurality of candidate movements in a predetermined work of the work machine, based on the acquired data, the plurality of candidate movements being of different types from each other.   
     
     
         13 . A non-transitory computer-readable recording medium storing a program, wherein when executed by a processor of an assistance device, causes the assistance device to execute a process, the process including:
 acquiring data relating to a shape of a work target around a work machine; and   proposing, to a user, a movement from among a plurality of candidate movements in a predetermined work of the work machine, based on the data acquired in the acquiring, the plurality of candidate movements being of different types from each other.