Mathematical modeling and parameters estimation of anaerobic fermentation processes. - Ivan Simeonov (ECC, 1999)

Monitoring of the change of the level of liquids and loose materials in reservoirs. - Ivan Simeonov (CompSysTech, 2003)

On Differential Algebraic Decision Methods for the Estimation of Anaerobic Digestion Models. - Elena Chorukova; Sette Diop; Ivan Simeonov (AB, 2007)

Algorithmic realization of system for short-term weather forecasting. - Ivan Simeonov; Hristo Kilifarev; Rajcho Ilarionov (CompSysTech, 2007)

Improvement and optimization of an embedded system for short-time weather forecasting. - Hristo Kilifarev; Ivan Simeonov; Raycho Ilarionov (CompSysTech, 2008)

Formation of attribute spaces using wavelets in automatic classification of explosives. - Nikolay Shopov; Rajcho Ilarionov; Ivan Simeonov; Hristo Kilifarev (CompSysTech, 2008)

Non-contact ultrasound method for identification of yogurt according to its butter content. - Nikolay Shopov; Raycho Ilarionov; Ivan Simeonov; Hristo Kilifarev (CompSysTech, 2009)

Ultrasonic device for non-contact studying of materials. - Raycho Ilarionov; Ivan Simeonov; Hristo Kilifarev; Stanimir Yordanov; Nikolay Shopov; Hristo Ibrishimov (CompSysTech, 2010)

System for non-contact ultrasonic study of mediums and materials intended for embedding into automated manufacturing systems. - Stanimir Yordanov; Raycho Ilarionov; Ivan Simeonov; Hristo Kilifarev; Nikolay Shopov; Hristo Ibrishimov (CompSysTech, 2010)

Kalman Filter based Newton Extremum Seeking Control for Maximum Gases Production Rates of Anaerobic Digestion Process. - Haoping Wang; Maobo Hu; Yang Tian; Ivan Simeonov; Lyudmila Kabaivanova; Nikolai D. Christov (Inf. Technol. Control., 2020)

A volatile fatty acids adaptive observer-based hierarchical optimal controller design to maximum gas production of two-stage anaerobic digestion process. - Hongxuan Li; Yang Tian; Haoping Wang; Ivan Simeonov; Nikolai D. Christov (Comput. Chem. Eng., 2024)