%0 Journal Article %T A variable speed-displacement control with virtual load sensing structure for energy conservation of positive flow excavator %A Sun, Weiqi %A Sang, Yong %A Liu, Weiwei %A Niu, Dongdong %A Wang, Haiyang %A Li, Guofeng %A Duan, Fuhai %J "Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering" %V OnlineFirst %P 1 %@ 0954-4070 %D 2025-01-01 %I SAGE Publications %~ DeepDyve