OPTICAL AUTOMATIC CAR IDENTIFICATION (OACI). FIELD TEST PROGRAM

The results of the Optical Automatic Car Identification (OACI) tests at Chicago conducted from August 16 to September 4, 1975 are presented. The main purpose of this test was to determine the suitability of optics as a principle of operation for an automatic car identification. Readabilities by standard and "modified" scanners were measured. Based on the optical information available in the label-scanner communication channel and the determination of the non-read causes, the label-scanner readability and limit of readability were obtained. Also the same readabilities were obtained using multiplexed data from two scanners, one at each side of the track. The benefits of redundancy in the multiplexed data are based on the analysis of the test results. Conslusions and recommendations are presented. No attempt has been made to evaluate the hardware implementation of the OACI systems used during the Chicago test.

• Supplemental Notes:
  • Sponsored by Federal Railroad Administration, U.S. DOT.
• Corporate Authors:

  Transportation Systems Center

  55 Broadway, Kendall Square
  Cambridge, MA  United States  02142
• Authors:
  • Ingrao, H C
• Publication Date: 1976-5

Media Info

• Features: Figures; Tables;
• Pagination: 186 p.

Subject/Index Terms

• TRT Terms: Automatic car identification; Automation; Classification yards; Data collection; Information systems; Reliability; Technological forecasting; Yard operations
• Old TRIS Terms: Classification yard automation; Yard and terminal information systems
• Subject Areas: Railroads; Terminals and Facilities;

Filing Info

• Accession Number: 00139459
• Record Type: Publication
• Source Agency: Federal Railroad Administration
• Report/Paper Numbers: FRA/ORD-76/249 Final Rpt.
• Files: TRIS, USDOT
• Created Date: Oct 6 1976 12:00AM