Production planning device, production planning system, and production planning method

A production planning system configured to solve production fluctuations by flexibly and timely updating a plurality of process plans to avoid hindering productivity of at least one facility of a plurality of facility candidates, including a first production planning device and a second production planning device, the first production planning device comprising a first memory coupled to at least one first processor executing computer code for one or more first units stored on the first memory, and the first production planning device comprising:

• a process plan generation unit of the one or more first units that generates the plurality of process plans including an alternative process plan, the plurality of process plans relating to a production process of a product;
• a work plan generation unit of the one or more first units that generates a work plan corresponding to each of the plurality of process plans;
• a production plan generation unit of the one or more first units that generates a production plan using the plurality of process plans and the work plan;
• a production plan redrafting unit of the one or more first units that redrafts the production plan using the plurality of process plans and the work plan when a production fluctuation event of the production fluctuations occurs;
• a process evaluation unit of the one or more units that:
• calculates a predetermined process evaluation index for the production process,
• performs an evaluation of the production process for a predetermined attribute based on the predetermined process evaluation index,
• calculates a number of facility candidates to be allocated to the production process based on the evaluation of the production process,
• generates the plurality of process plans based on the plurality of facility candidates, and
• controls a robot via an operation program at each facility of the plurality of facility candidates by transmitting one or more plans of the plurality of process plans to the second production planning device thereby updating the operation program at each facility;
• and
• a communication unit of the one or more first units that transmits the plurality of process plans, the work plan, and the production plan to the second production planning device, and
• the second production planning device manufacturing a product using the production plan and the work plan acquired from the first production planning device.

A production planning method performed by a production planning device to solve production fluctuations by flexibly and timely updating a plurality of process plans to avoid hindering productivity of at least one facility of a plurality of facility candidates, the production planning device comprising a memory coupled to at least one processor executing computer code for one or more units stored on the memory, the production planning method comprising:

• generating the plurality of process plans including an alternative process plan, the plurality of process plans relating to a production process of a product;
• generating a work plan corresponding to each plan of the plurality of process plans;
• generating a production plan using the plurality of process plans and the work plan;
• redrafting the production plan using the plurality of process plans and the work plan when a production fluctuation event of the production fluctuations occurs;
• calculating a predetermined process evaluation index for the production process,
• performing an evaluation of the production process for a predetermined attribute based on the predetermined process evaluation index,
• calculating a number of facility candidates to be allocated to the production process based on the evaluation of the production process,
• generating the plurality of process plans based on the plurality of facility candidates, and
• controlling a robot via an operation program at each facility of the plurality of facility candidates by providing one or more plans of the plurality of process plans to update the operation program at each facility.