Multi-layer cyber-physical control method for mobile robot safety systemsPikner, Heiko; Sell, Raivo; Majak, Jüri; Karjust, KristoProceedings of the Estonian Academy of Sciences2021 / p. 383-391 : ill https://doi.org/10.3176/proc.2021.4.03 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS