FOPID Control with Parameter Optimization for Hydrostatically-Actuated Autonomous Excavators - Moghaddam, Amirreza Mirbeygi; Kinsner, Witold; Costa, Gustavo Koury; Kumar, Lokesh; Butt, Khurram; Sepehri, Nariman (IEEE Instrumentation & Measurement Magazine, Instrumentation & Measurement Magazine, IEEE, IEEE Instrum. Meas. Mag., 2021)