1991-09-01

Production Evidence Retrieval System for Wiring Harnesses 911949

Recently, air bag systems have been widely installed in cars.
In the wiring harnesses of the air bagsystem, qualified processing, process record-keeping and process control are required to record high reliability and quality.
In this regard, a process record-keeping and retrieval system has been developed.
This system consists of 16 data terminals with handheld bar code scanners, 5 automatic bar code scanners and a personal computer with opto-magnetic disk as the server. These resources are networked by 1M bps Star-LAN.
Software for LAN communication, data logging and retrieval is developed as a quasi-concurrent system on MS-DOS* environment avoiding the collision of data on LAN.
In combination of a relational database on opto-magnetic disk, a process data retieval in 20 minutes has been proved among the data storage of 1M Byte per day, in 15 years, 4G Byte in total.
The hardware and software of the system would be described as well as the results of the application on quality control in actual production lines.

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