Vehicle Process Control for Selective Adjustment and Inspection
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Solution Overview
Problem
The manufacturing process of vehicles is inefficient due to unnecessary adjustments and duplicate inspections, leading to increased man-hours without ensuring quality and efficiency.
Innovation Solution
A control device that acquires information on the vehicle's state, determines the necessity of adjustments and inspections, and selectively performs or omits processes based on the results, reducing duplicate inspections and adjustments.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If adjustments and inspections are performed in all manufacturing processes, then quality is maintained, but manufacturing efficiency deteriorates due to increased man-hours
Solution Approach 1:
The control device performs preliminary determination of adjustment and inspection necessity based on first process results before executing the second process. This allows the system to pre-identify which vehicles require subsequent processes, avoiding unnecessary execution and improving manufacturing efficiency while maintaining quality standards
Solution Approach 2:
Instead of performing adjustments and inspections on all vehicles uniformly, the control device applies these processes only to vehicles that meet specific criteria based on first process results. This partial action approach eliminates redundant operations on vehicles that already meet quality standards, reducing man-hours while maintaining overall quality
2Reliability
If duplicate inspections are performed on vehicles in multiple processes, then quality assurance is improved, but manufacturing time increases
Solution Approach 1:
The control device uses feedback from first process results to determine whether second process inspections are necessary. By analyzing inspection results from earlier processes and using this information to decide on subsequent inspections, the system avoids redundant testing while ensuring quality through targeted re-inspection of vehicles that require it
Solution Approach 2:
The system performs preliminary assessment of inspection necessity based on first process outcomes before scheduling second process inspections. This preliminary determination prevents unnecessary duplicate inspections on vehicles that have already passed initial checks, reducing manufacturing time while maintaining quality assurance
3Manufacturing precision
If all vehicles undergo adjustment processes, then product consistency is improved, but man-hours increase without necessary quality improvement
Solution Approach 1:
The control device applies adjustment processes only to vehicles that require them based on first process results, rather than uniformly adjusting all vehicles. This selective approach maintains product consistency for vehicles that need it while eliminating unnecessary adjustment operations on vehicles that already meet specifications, thereby reducing man-hours
Data Source
AI summary
The control device manages a process of a mobile body manufactured through a plurality of processes. The plurality of steps includes a first process relating to inspection, an assembling process, an adjustment, and a second process. The control device includes: an acquisition unit that acquires information indicating a state of the mobile body; a determination unit that determines whether adjustment is necessary and whether or not the second process is necessary according to a result of the first process using the information; and a management unit that performs or does not perform the second process or does not perform the adjustment according to the determination.