Validation of engineering methods for predicting hypersonic vehicle control forces and moments

1993 ◽  
Vol 16 (4) ◽  
pp. 762-769 ◽  
Author(s):  
M. Maughmer ◽  
L. Ozoroski ◽  
D. Straussfogel ◽  
L. Long
Keyword(s):  
Vehicle Control ◽  
Hypersonic Vehicle ◽  
Control Forces

The Three-Dimensional Contact Patch Stress Field of Solid and Pneumatic Tires

1992 ◽  
Vol 20 (1) ◽  
pp. 3-32 ◽  
Author(s):  
M. G. Pottinger
Keyword(s):  
Boundary Condition ◽  
Friction Coefficient ◽  
Stress Field ◽  
Three Dimensional ◽  
Vehicle Control ◽  
Operating Conditions ◽  
Pneumatic Tire ◽  
Contact Patch ◽  
Control Forces ◽  
Pneumatic Tires

Abstract Contact patch (footprint) physics is fundamental to the generation of vehicle control forces, tire and road wear, and tire structural mechanics. Footprint physics depends strongly on tire design, pavement topography, and operating conditions. This paper discusses the three-dimensional contact patch stress field of two generic tire types: solid and pneumatic. The discussion is limited to the comparison of the static and free rolling states of both tire types, examination of the effect of the bead-rim boundary condition in the pneumatic tire, and a brief look at the effect of the friction coefficient and viscoelasticity on the solid tire. The discussion is based on experimental results for a smooth-treaded urethane solid tire and a low-pull-force smooth-treaded radial which are assumed to generally represent solid and pneumatic tires. The results obtained offer significant guidance to those who are attempting to mathematically model tires, understand wear, and comprehend the physics of the tire contact patch.

scholarly journals Hypersonic vehicle control law development using H infinity and mu-synthesis

1992 ◽  
Author(s):  
IRENE GREGORY ◽  
JOHN MCMINN ◽  
JOHN SHAUGHNESSY ◽  
RAJIV CHOWDHRY
Keyword(s):  
Vehicle Control ◽  
Hypersonic Vehicle ◽  
Control Law ◽  
H Infinity ◽  
Mu Synthesis

scholarly journals Reduced-Order Aerothermoelastic Framework for Hypersonic Vehicle Control Simulation

AIAA Journal ◽  
2011 ◽  
Vol 49 (8) ◽  
pp. 1625-1646 ◽  
Author(s):  
Nathan J. Falkiewicz ◽  
Carlos E. S. Cesnik ◽  
Andrew R. Crowell ◽  
Jack J. McNamara
Keyword(s):  
Vehicle Control ◽  
Hypersonic Vehicle ◽  
Reduced Order ◽  
Control Simulation
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