Skip to main content
U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

4-D/RCS: A Reference Model Architecture for Demo III



James S. Albus
NIST Interagency/Internal Report (NISTIR) - 5994
Report Number


Robotics & Intelligent Systems, Unmanned Systems, Control, intelligent control, operational architecture, reference model architecture


Albus, J. (1997), 4-D/RCS: A Reference Model Architecture for Demo III, NIST Interagency/Internal Report (NISTIR), National Institute of Standards and Technology, Gaithersburg, MD, [online], (Accessed April 24, 2024)
Created March 1, 1997, Updated November 17, 2008