Accession Number : AD0644434

Title :   THE EFFECT ON THE SPECIFICATION AND ANALYSIS OF AUTOMATIC LANDING PERFORMANCE OF IGNORING THE FEEDBACK NATURE OF I.L.S. BEAM BENDS.

Descriptive Note : Technical rept.,

Corporate Author : ROYAL AIRCRAFT ESTABLISHMENT FARNBOROUGH (UNITED KINGDOM)

Personal Author(s) : Armstrong, B. D.

Report Date : APR 1966

Pagination or Media Count : 24

Abstract : I.L.S. reflection interference should properly be considered as a feedback term in the study of control systems for automatic landing, but for convenience it has always been treated in a simpler open-loop fashion. The paper reports a qualitative study of the consequences of this simplification and finds them to be negligible both in control system analysis and in beam calibration procedures. (Author)

Descriptors :   *INSTRUMENT LANDINGS, *ACOUSTIC SIGNALS, FEEDBACK, INTERFERENCE, CONTROL SYSTEMS, SPECIFICATIONS, AUTOMATIC, NOISE, GREAT BRITAIN.

Subject Categories : Military Aircraft Operations
      Air Navigation and Guidance

Distribution Statement : APPROVED FOR PUBLIC RELEASE