Key Technology and Achievements：
The proposed potential energy recovery system scheme and control strategy achieve good energy recovery efficiency, and simultaneously guarantee the similar boom control performance when compared to conventional excavators.
With the proposed electrical driven swing and braking kinetic energy recovery, the operability of the developed electrical swing, such as response time and braking performance, is obviously better than conventional hydraulic swing.
10 published papers, therein, 7 SCI/EI indexed papers.