A second-order system model for pneumatic instrumentation lines.
Pneumatic instrumentation line transfer function approximated by system model for simplifying reactor control system analysis
Samuelson, R. D.↗
SEARCH · Search NASA
Results for “transfer function”
Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.
Quote a phrase for an exact phrase match. Source license links do not imply unrestricted reuse.
Analysis of commutated networks employing feedback circuits.
Feedback systems analysis, considering single phase and polyphase coupled and uncoupled commutation networks in forward loop and linear transfer function feedback loop
Borelli, M. T.↗
Design using symbolic topological equations.
Network synthesis technique applied to structural dynamics design, using topological formulas to express systems response transfer functions
Fenves, S. J.↗
A technique for optimizing the selection of quantized coefficients in digital controllers.
Coefficient quantization in digital continuous time process controllers, applying results to nominal transfer function approximation
Chenoweth, D. L.↗
Design of time lag systems with sensitivity constraints.
Feedback controller for linear stationary differential systems with time lag and fixed unknown parameters, noting closed loop transfer function role
Kahne, S. J.↗
State variable feedback decoupling and design of multivariable systems.
State variable feedback design of m-input, m- output time invariant linear systems requiring noninteraction and exact transfer functions, considering coupled core nuclear reactor
Schultz, D. G.↗
Active resistance capacitance filter design
Filters, formed by combinations of distributed RC elements with positive-feedback voltage amplifiers, provide transfer functions similar to those the heavier LC filters ordinarily employ. They also provide signal amplification.
Kerwin, W. J.↗
Two techniques for digital filter design
Digital controllers, one using a special-purpose computer and the other using a combination of digital and analog techniques, are designed around /1/ computers that simulate the transfer function and interface with the system, and /2/ analog and digital circuits, converters, amplifiers, constant multipliers, and delay lines that form a digital filter.
Carroll, C. C.↗
On small vibrations and perturbations of flexible bodies undergoing arbitrary nominal motion
Transfer function relating control torques to attitudes angles considering structural flexibility
Utku, S.↗
Investigation of vibro-acoustic response using nondimensional correlation factors
Vibro-acoustic transfer function correlation with structural and acoustic parameters
Butler, R. H.↗
On fault detection and isolation in linear networks and systems
Linear networks fault detection and isolation using computerized test procedure and symbolic transfer function generation technique
Chan, S. P.↗
Response of a cylindrical shell to random acoustic excitation
Cylindrical shell response to random acoustic excitation, considering single point transfer functions and equivalent force power spectral densities
Kana, D. D.↗
A high-Q distributed-lumped-active network configuration with zero real-part pole sensitivity
Distributed-lumped-active network to produce transfer function with pair of high Q zero real part sensitivity poles
Huelsman, L. P.↗
A new method for the inverse Laplace transformation via the fast Fourier transform
Algorithm for inverse Laplace transformation of irrational transfer function via fast Fourier transform
Chen, C. F.↗
Distributed system simulation using infinite product expansions
Linear distributed dynamic system simulation using infinite product expansions for transcendental terms in transfer functions
Goodson, R. E.↗
High-resolution return-beam vidicon cameras - A comparison with high-resolution photography
High resolution electron return beam vidicon cameras, comparing transfer functions and SNR with photographic films
Schade, O. H., Sr.↗
A topological approach to computer-aided sensitivity analysis
Sensitivities of any arbitrary system are calculated using general purpose digital computer with available software packages for transfer function analysis. Sensitivity shows how element variation within system affects system performance. Signal flow graph illustrates topological system behavior and relationship among parameters in system.
Chan, S. P.↗
Human response in closed loop control of dynamic systems
Linear transfer function for describing human response to aircraft control
Adams, J. J.↗