Paper Title:
A New Pulse Modulator for Solid Propellant Attitude Control Motors
  Abstract

Antimissile interceptors with the attitude control motors (ACM) were researched. For solid propellant ACM, a pulse frequency modulation scheme is proposed, which is based on conventional PWPF modulator. The modulator extends the application of modulation control method to solid propellant ACM, and integrates it with a feedback of thrust estimation which is decided by location and thrust interaction factors. The stability of the new modulator was analyzed by Lyapunov method and a stability margin was given. Simulations show that the stability margin is conservative, but acceptable. Interceptor simulations using the modulator indicate that this technique provides closer-to-linear actuation than conventional bang-bang thruster control methods.

  Info
Periodical
Chapter
Chapter 2: Signal and Image Processing in Industry
Edited by
Gary Yang
Pages
292-297
DOI
10.4028/www.scientific.net/AMR.429.292
Citation
Q. Sun, J. Zhou, Z. L. Ge, "A New Pulse Modulator for Solid Propellant Attitude Control Motors", Advanced Materials Research, Vol. 429, pp. 292-297, 2012
Online since
January 2012
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Price
$32.00
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