AUTOMATIC TRAIN CONTROL SYSTEM

THIS REPORT COVERS THE SUPPLY, INSTALLATION, AND DEMONSTRATION FOR SFBARTD OF AN AUTOMATIC TRAIN CONTROL SYSTEM. THE TEST CARS OPERATED AUTOMATICALLY OVER A FIXED BLOCK TRAIN PROTECTION SYSTEM AT LESS THAN A +10-SECOND AVERAGE SCHEDULE DEVIATION FROM PREPLANNED SCHEDULES WHICH INCORPORATED SYSTEM HEADWAYS RANGING IN STEPS FROM 120 SECONDS TO 90 SECONDS. FURTHER, THE CARS MAINTAINED 60-SECOND HEADWAYS, INCLUDING A MINIMUM STATION DWELL TIME OF 16 SECONDS, THROUGH THE SECTION OF THE FIXED BLOCK TRAIN PROTECTION SYSTEM DESIGNED FOR MINIMUM HEADWAY OPERATION. SMOOTH AUTOMATIC CONTROL OF TEST CAR MOVEMENTS WAS ACHIEVED WITHIN A 2% TOLERANCE OF OPERATING SPEED LIMITS. ALSO, USING BOTH THE D-C AND THE A-C PROPULSION POWER RAILS TO DISTRIBUTE SIGNALS, VOICE COMMUNICATIONS WERE MAINTAINED BETWEEN THE CENTRAL OFFICE AND THE TEST CARS. AUTOMATIC PRECISION STOPPING WAS EXHIBITED WITH 99% REPEATABILITY. /UMTA/

  • Supplemental Notes:
    • PROJ NO CAL-MTD-2
  • Corporate Authors:

    Westinghouse Air Brake Company

    Wilmerding, PA  USA 
  • Publication Date: 1966-6

Subject/Index Terms

Filing Info

  • Accession Number: 00241778
  • Record Type: Publication
  • Source Agency: Urban Mass Transportation Administration
  • Files: TRIS, USDOT
  • Created Date: Jan 17 1973 12:00AM