Conveyance task control device, system, method, and computer-readable medium

A conveyance-task control method comprising:

• calculating respective priorities of conveyance tasks on the basis of first parameters respectively indicating a degree of how many products in process a plurality of conveyance subjects are conveying in corresponding ones of areas respectively including conveyance routes between a plurality of workstations, the plurality of conveyance subjects performing the conveyance tasks of conveying the products in process between the plurality of workstations being sites where predetermined tasks are performed;
• determining a conveyance task with a highest one of the respective priorities as a candidate for a conveyance task to be performed next;
• and
• executing by at least one of the plurality of conveyance subjects the conveyance task with a highest one of the respective priorities by conveying the products in process between the workstations,
• wherein each of the first parameters is calculated by applying weights respectively to a plurality of divided areas that are divided from a near area on a corresponding one of the conveyance routes.

A non-transitory computer-readable medium storing a program for causing a computer to function as:

• task-priority calculation means for calculating respective priorities of conveyance tasks on the basis of first parameters respectively indicating a degree of how many products in process a plurality of conveyance subjects are conveying in corresponding ones of areas respectively including conveyance routes between a plurality of workstations, the plurality of conveyance subjects performing the conveyance tasks of conveying the products in process between the plurality of workstations being sites where predetermined tasks are performed;
• and
• conveyance-task determination means for determining a conveyance task with a highest one of the respective priorities as a candidate for a conveyance task to be performed next,
• wherein at least one of the plurality of conveyance subjects executes the conveyance task with a highest one of the respective priorities by conveying the products in process between the workstations,
• wherein each of the first parameters is calculated by applying weights respectively to a plurality of divided areas that are divided from a near area on a corresponding one of the conveyance routes.