Alert Attack Switch Isolation.

Abstract

The transients on the internal (to the facilities) portion of soft circuits due to their external EMP pickups can adversely affect the critical hardware performance either directly through introduction of perturbations to the power bus(es) they are connected to, or indirectly through cross-coupling to totally unrelated circuits which are in their physical proximity. The Alert Attack Switch (AAS) Ssystem disconnects external soft circuits, thereby providing protection to internal, critical subsystems from the EMP transients induced on external circuits. This memorandum presents a mathematical description relating the input (external) and output (internal) EMP transient, on a circuit across an activated (open) alert attack switch. From the results the internal transient can be computed adequately for any given external transient wave shapes. Results of calculations are also presented for external transients of the double exponential type with time constants of interest.

Document Details

Document Type
Technical Report
Publication Date
Dec 01, 1974
Accession Number
ADA005624

Entities

Organizations

  • Boeing

Tags

DTIC Thesaurus Topics

  • Buildings And Structures
  • Couplings
  • Fittings
  • Mathematical Analysis
  • Mathematics
  • Numerical Analysis
  • Perturbations

Fields of Study

  • Physics

Readers

  • Computer Science/Computer Engineering/Data Science/Digital Signal Processing.
  • Control Systems Engineering.
  • Optical Fiber Sensing and Electromagnetic Propagation.