The Singular Steady State Linear Regulator

1982 ◽  
Vol 20 (2) ◽  
pp. 247-257 ◽  
Author(s):  
Violet B. Haas
Keyword(s):  
Steady State ◽  
Linear Regulator ◽  
Singular Steady State

Optimizing the Feedback Gains of the Robust Linear Regulator

1999 ◽  
Vol 121 (3) ◽  
pp. 346-350
Author(s):  
Jie Huang
Keyword(s):  
Computer Simulation ◽  
Steady State ◽  
Transient Response ◽  
Closed Loop ◽  
Feedback Gain ◽  
Frobenius Norm ◽  
Closed Loop System ◽  
Optimal Feedback ◽  
Linear Regulator ◽  
Fixed Set

This paper aims to improve the transient response of a linear regulator system by optimizing the feedback gains associated with a fixed set of desirable eigenvalues of the closed-loop system. The optimal feedback gain is such that the Frobenius norm of the steady state of the compensator is minimized. Computer simulation shows that this scheme is effective in improving the transient response of the regulator system.

scholarly journals Convergence to a singular steady state of a parabolic equation with gradient blow-up

2007 ◽  
Vol 20 (5) ◽  
pp. 578-582 ◽  
Author(s):  
Marek Fila ◽  
Jari Taskinen ◽  
Michael Winkler
Keyword(s):  
Steady State ◽  
Parabolic Equation ◽  
Blow Up ◽  
Singular Steady State

Global existence and convergence to a singular steady state for a semilinear heat equation

1987 ◽  
Vol 105 (1) ◽  
pp. 289-305 ◽  
Author(s):  
A.A. Lacey ◽  
D. Tzanetis
Keyword(s):  
Steady State ◽  
Global Existence ◽  
Boundary Conditions ◽  
Heat Equation ◽  
State Problem ◽  
Semilinear Heat Equation ◽  
Initial And Boundary Conditions ◽  
Steady State Problem ◽  
Singular Steady State ◽  
Open Spectrum

SynopsisWith certain initial and boundary conditions the solution u* to the semilinear heat equation ∂u*/∂t = ∂u* + λ * f(u*), where f is a positive superlinear function and λ is the supremum of the open spectrum for the steady state problem Δw + λf(w) = 0, is found to exist for all time and to be unbounded. Moreover u* approaches w* a singular steady state, as / tends to infinity.

Studies on Water in the Hydration Chamber of a Modified Electron Microscope

1970 ◽  
Vol 28 ◽  
pp. 544-545
Author(s):  
R. C. Moretz ◽  
G. G. Hausner ◽  
D. F. Parsons
Keyword(s):  
Thin Film ◽  
Thin Films ◽  
Electron Microscope ◽  
Steady State ◽  
Room Temperature ◽  
Small Mass ◽  
Equilibrium Pressure ◽  
Biological Objects ◽  
Mechanical Pump ◽  
Differential Pumping

Use of the electron microscope to examine wet objects is possible due to the small mass thickness of the equilibrium pressure of water vapor at room temperature. Previous attempts to examine hydrated biological objects and water itself used a chamber consisting of two small apertures sealed by two thin films. Extensive work in our laboratory showed that such films have an 80% failure rate when wet. Using the principle of differential pumping of the microscope column, we can use open apertures in place of thin film windows.Fig. 1 shows the modified Siemens la specimen chamber with the connections to the water supply and the auxiliary pumping station. A mechanical pump is connected to the vapor supply via a 100μ aperture to maintain steady-state conditions.

Continuous hydrogenolysis of acetal-stabilized lignin in flow

2021 ◽  
Author(s):  
Wu Lan ◽  
Yuan Peng Du ◽  
Songlan Sun ◽  
Jean Behaghel de Bueren ◽  
Florent Héroguel ◽  
...  
Keyword(s):  
Steady State ◽  
Challenges And Opportunities

We performed a steady state high-yielding depolymerization of soluble acetal-stabilized lignin in flow, which offered a window into challenges and opportunities that will be faced when continuously processing this feedstock.

Sign in / Sign up

Export Citation Format

Share Document