Support Robot Motion Planning for Adaptive Assembly Assistance
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Solution Overview
Problem
Modern assembly lines and automobile repair processes still require technicians due to automated systems' inability to respond flexibly to changes and perform complex tasks, necessitating improved efficiency without full automation.
Innovation Solution
A support robot equipped with a detection unit, motion planning unit, and movable tray that adjusts its position based on work progress estimation to provide tools, parts, and supplies to technicians, enhancing task efficiency and adaptability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If automated systems are used to perform tasks, then productivity increases, but adaptability to changes and ability to perform complex tasks deteriorates
Solution Approach 1:
A support robot acts as an intermediary between fully automated systems and human technicians. The robot autonomously performs routine support functions (delivering parts, tools, and supplies) while humans handle complex decision-making and adaptive tasks. This mediator approach allows the system to maintain high productivity through automation while preserving adaptability through human intervention when needed.
2Adaptability or versatility
If technicians perform all tasks manually, then adaptability to complex tasks is maintained, but productivity and efficiency deteriorate
Solution Approach 1:
The work tasks are segmented into two categories: routine support functions (performed by the support robot) and complex/adaptive functions (performed by human technicians). The robot handles repetitive tasks such as delivering parts, tools, and supplies, while technicians focus on complex assembly operations requiring judgment and adaptability. This segmentation allows both productivity and adaptability to be optimized simultaneously.
3Device complexity
If a stationary tool and part holder is used, then device complexity is reduced, but adaptability to changing work requirements deteriorates
Solution Approach 1:
The support robot transitions from a stationary tool and part holder to a dynamic, mobile platform that can autonomously navigate the workspace. The robot uses sensors to detect user motion and work progress, then dynamically adjusts its position and delivers required items. This dynamic capability provides adaptability to changing work requirements while maintaining reasonable system complexity through modular design.
4Adaptability or versatility
If the support robot continuously monitors and adjusts position, then adaptability to user needs improves, but use of energy and system complexity deteriorates
Solution Approach 1:
The support robot employs periodic sensing and adjustment rather than continuous operation. The detection unit periodically scans for user motion and work progress changes, and the motion planning unit periodically adjusts the robot's position based on detected changes. This periodic action pattern reduces energy consumption compared to continuous monitoring while maintaining adequate adaptability to user needs.
Data Source
AI summary
A support robot and control system for timely and efficiently providing at least one of a tool, a part, a component, an electrical supply, and an air supply within an assembly line operation. The support robot and system may include a detection unit for detecting user and a motion planning unit for controlling the motion of the robot based on data received from the detection unit. The support robot may further include an input unit for receiving input from a user. The system may estimate work progress of a user via a work progress estimation unit. The work progress estimation unit may determine work production based on at least an output from the detection unit and information obtained from a work progress database. The system may further include a robot location adjustment unit. The robot location adjustment unit may adjust the location of the robot based on information received from the motion planning unit. Further, the support robot may include a moveable tray, wherein the movable tray is adjusted based on instructions received from the work progress estimation unit.