Hydraulic excavator energy-saving is important to relieve source shortage and protect the environment. Conventional throttle governing systems have low efficiency and influence on the speed of boom cylinder. In addition, the capacities of both the hyd...
Hydraulic excavator energy-saving is important to relieve source shortage and protect the environment. Conventional throttle governing systems have low efficiency and influence on the speed of boom cylinder. In addition, the capacities of both the hydraulic motor and the generator should be large enough to avoid overload. Based on comprehensive considerations, this paper presents a new energy regeneration system that combines the advantages of a generator and a hydraulic accumulator. At last, the model of the proposed system has been built by AMESim software. The simulation result shows that the proposed system has a higher energy regeneration potential than the conventional system and the generator energy regeneration system (GERS). The energy regeneration efficiency is 17.5%.