Area registration method and area registration system

1. An area registration method for a work vehicle to travel autonomously in a travel area, executing:

setting information on the work vehicle that autonomously travels in the travel area;

setting a work area that is included in the travel area and in which the work vehicle performs a work;

setting a headland area that is included in the travel area and disposed on an outer side of the work area in which the work vehicle performs the work; and

when an operation to input setting information of the headland area is accepted after the work area and the headland area have been set, changing sizes of the work area and the headland area on the basis of the input setting information on which the work vehicle uses to travel and work.

2. The area registration method according to claim 1 , wherein

when an operation to input a width of the headland area or a number of work strokes is accepted after the work area and the headland area have been set, a size of the headland area is changed in accordance with the width of the headland area or the number of work strokes which has been input, and the size of the work area is changed in accordance with the changed size of the headland area.

3. The area registration method according to claim 2 , wherein

when the work vehicle cannot make a turn in the headland area whose size was changed in accordance with the width of the headland area or the number of work strokes which has been input, notification is made that the width of the headland area or the number of work strokes which has been input is not accepted.

4. The area registration method according to claim 2 , further comprising:

setting a travel route in the work area; and

it is notified that the width of the headland area or the number of work strokes which has been input is not accepted, when the travel route cannot be set in the work area whose size was changed in accordance with the width of the headland area or the number of work strokes which has been input.

5. The area registration method according to claim 1 , further comprising:

setting a work start position, which is a position at which the work vehicle starts a work in the work area; and

the set work start position is changed when the sizes of the work area and the headland area are changed after the work start position was set.

6. The area registration method according to claim 1 , wherein

the headland area can be automatically set on the basis of a predetermined condition; and

the automatically set headland area can be changed by inputting a width of the headland area or a number of work strokes.

7. The area registration method according to claim 1 , wherein

the headland area is set on the basis of the information of the work vehicle; and

the work area is set on the basis of the setting information of the set headland area.

8. The area registration method according to claim 1 , wherein

the headland area includes a first headland area that includes a turn and a second headland area that does not include a turn; and

a size of at least either one of the first headland area and the second headland area is changed on the basis of the input setting information.

9. An area registration system for a work vehicle to travel autonomously in a travel area, comprising:

a vehicle information setting unit that sets information on a work vehicle that autonomously travels in a travel area;

a work area setting unit that sets a work area included in the travel area and in which the work vehicle performs a work;

a headland area setting unit that sets a headland area included in the travel area and disposed on an outer side of the work area in which the work vehicle performs the work; and

a changing unit that changes the sizes of the work area and the headland area on the basis of the input setting information on which the work vehicle uses to travel and work, when an operation to input setting information of the headland area is accepted after the work area and the headland area have been set.