Let 0/R n be open, u : 0 Γ R m and thus the gradient matrix Du # R m\_n . We let E/R m\_n be compact and denote by RcoE and PcoE the rank one convex and polyconvex hull of E, respectively. We show that if RcoE=PcoE (and two other hypotheses, named the segment property and the extreme points property
Nonlinear symmetric first-order systems
β Scribed by J.R. Dorroh
- Publisher
- Elsevier Science
- Year
- 1983
- Tongue
- English
- Weight
- 211 KB
- Volume
- 91
- Category
- Article
- ISSN
- 0022-247X
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π SIMILAR VOLUMES
In this paper, we propose an adaptive controller for a class of first order nonlinear systems: ~ = -O\*rf(x)b'u, subject to bounded input and output disturbances. Unmodelled dynamics are also considered in the stability analysis. A dead zone in the parameters update law is used. The dead zone size d
ABSTR&CT: This paper considers the stability of autonomous, nonlinear, multivariable systems which exhibit symmetric loop transmission about the nonlinear elements (Fig. ). This type of system results whenever two plants share a common facility, such as a power source; or the coordinates which decou