TY - RPRT TI - Topics concerning state variable feedback in automatic control systems. Part 1 - Specification. Part 2 - Sensitivity. Part 3 - Intentional nonlinearities. Part 4 - Unavailable states AU - Dial, J. H. AU - Muterspaugh, M. E. AU - Parekh, H. B. AU - Schultz, D. G. AU - White, R. C. PY - 1968 UR - https://ntrs.nasa.gov/citations/19690006080 ID - 19690006080 ER -