US 12,443,197 B2
Programmable logic controller operation system and method for each movement position of logistics robot
Kyung Dong Park, Hwaseong-si (KR); Sang Won Yoon, Suwon-si (KR); and Youngjin Jung, Cheonan-si (KR)
Assigned to HYUNDAI MOTOR COMPANY, Seoul (KR); and Kia Corporation, Seoul (KR)
Filed by HYUNDAI MOTOR COMPANY, Seoul (KR); and Kia Corporation, Seoul (KR)
Filed on Feb. 15, 2022, as Appl. No. 17/672,127.
Claims priority of application No. 10-2021-0118632 (KR), filed on Sep. 6, 2021.
Prior Publication US 2023/0071269 A1, Mar. 9, 2023
Int. Cl. G05D 1/02 (2020.01); B25J 9/16 (2006.01); G05B 19/4155 (2006.01); G05D 1/00 (2006.01)
CPC G05D 1/0274 (2013.01) [B25J 9/1674 (2013.01); G05B 19/4155 (2013.01); G05D 1/0272 (2013.01); G05B 2219/50391 (2013.01); G05D 1/0022 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A system for operating a Programmable Logic Controller (PLC) for each movement position of a logistics robot, the system comprising:
a logistics robot configured to supply a necessary component for each process at an industrial site;
a PLC which is installed in each process and controls one or more connected equipment; and
a server which allocates a transport path of a component to the logistics robot, controls an interworking operation of the equipment based on a movement position of the logistics robot through an input of a PLC memory value of the PLC, traces a control history of each equipment, and recognizes whether the equipment is normally operated and the input of the PLC memory value is omitted,
wherein:
the server includes:
a PLC communication unit which is connected with the PLC and controls an operation of the equipment for each process and collects state information of the controlled equipment;
a logistic robot communication unit which establishes wireless communication with the logistics robot, and transmits a transport path of the component to the logistics robot and collects a real-time movement position of the logistics robot;
a controller which designates a PLC memory value of a PLC memory address connected with equipment of the PLC within a process in which a control condition is satisfied based on a real-time movement position of the logistics robot and controls an operation of the corresponding equipment;
a control history tracing unit which traces a history of real-time control actually controlled according to the control of the operation of the equipment and manages the traced control history in a database; and
a control state display which displays a memory output value non-reflection error for a PLC memory value item that is not properly input according to a request for an input of the PLC memory value based on the control history.