Dragline operator performance indicator

摘要: The purpose of this research was to establish an operator performance indicator (OPI) that can be used by mining professionals/management aid in the evaluation dragline operators surface coal mining. OPI is defined as a ratio hourly production and energy consumption, which needs maximised. A statistical approach based on confidence intervals proposed means classifying operators' performance. results experiment conducted at mine operated one largest North American companies are discussed demonstrate practical application developed method. method applied article also adjusted for various equipment.