Kaveh Mollazade and Hojat Ahmadi and Mahmoud Omid and Reza Alimardani, An Intelligent Combined Method Based on Power Spectral Density, Decision Trees and Fuzzy Logic for Hydraulic Pumps Fault Diagnosis. journal = {International Journal of Mechanical and Mechatronics Engineering}, [online]. World Academy of Science, Engineering and Technology. August 2008, vol. 20(8). 986 - 998 [viewed 29 March 2024]. Available from: https://publications.waset.org/pdf/1704.