Li, Ruisheng; Hong, Huimin Robust estimation without positive real condition. (English) Zbl 0951.93066 IEEE Trans. Autom. Control 43, No. 7, 938-943 (1998). MSC: 93E10 Estimation and detection in stochastic control theory Keywords:adaptive control; least squares; robust estimation; two-step recursive algorithm; robust adaptive tracking; closed-loop system stability; discrete-time linear stochastic control; unmodeled dynamics PDFBibTeX XMLCite \textit{R. Li} and \textit{H. Hong}, IEEE Trans. Autom. Control 43, No. 7, 938--943 (1998; Zbl 0951.93066) Full Text: DOI