Title page for ETD etd-05222007-091329

Type of Document Dissertation
Author Kim, Seong Joong
URN etd-05222007-091329
Title Modeling and analysis of spacecraft battery charger systems
Degree PhD
Department Electrical Engineering
Advisory Committee
Advisor Name Title
Cho, Bo H. Committee Chair
Johnson, Lee W. Committee Member
Lee, Fred C. Committee Member
Tam, Kwa-Sur Committee Member
Vorperian, Vatche Committee Member
  • Space vehicles Batteries Research.
Date of Defense 1991-04-01
Availability restricted
Large-signal analysis of various spacecraft power systems is performed to predict the bus dynamics in various modes of operation. The large-signal trajectories of the system's operating point are analyzed employing qualitative graphical representation. The analyses are verified through simulation using EASY5 software.

Small-signal dynamic characteristics of spacecraft battery charge converter systems are analyzed to facilitate the design of control loop for optimum performance and stability. Control-loop designs for the charge converters in bus voltage regulation mode, charge current regulation mode, and peak power tracking mode are discussed.

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