Abstract
In previous chapters we alluded to the concept of stability without a rigorous mathematical definition, being content to accept the concept of boundedness to guarantee stability. In the linear case this is sufficient; in the nonlinear case we need to be more specific. The concepts of local, global, absolute, uniform, and asymptotic stability will be defined in Section 6.2.2, and examples given of each. Each depends upon regions of validity of the analysis about singular points (See Chapter 5). In the case of linear equations, the issue is moot, since the linear system exhibits its behavior characteristics throughout the real space in which it is defined—typically the entire x-y plane or n-dimensional space. In nonlinear systems, we must restrict our attention to neighborhoods around the operating point.
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References and Related Literature
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Atherton, Derek P., Stability of Nonlinear Systems, John Wiley & Sons, New York (1981).
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Nemytskii, V. V., and Stepanov, V. V., Qualitative Theory of Differential Equations, Dover, New York (1989).
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© 1992 Van Nostrand Reinhold
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Kolk, W.R., Lerman, R.A. (1992). Liapunov Stability. In: Nonlinear System Dynamics. Springer, Boston, MA. https://doi.org/10.1007/978-1-4684-6494-8_7
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DOI: https://doi.org/10.1007/978-1-4684-6494-8_7
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