Combined dynamic data analysis and process variable prediction approach for system fault detection. - B. R. Upadhyaya; O. Glöckler; F. P. Wolvaardt (ICASSP, 1987)

Modified Schemes of Sequential Probability Ratio Test for Incipient Failure Detection in Dynamic Systems. - Makoto Takahashi; Masaharu Kitamura; O. Glöckler (Robotics, Mechatronics and Manufacturing Systems, 1993)