“…(1-1-1 Higashimita, Tama-ku, Kawasaki-shi, Kanagawa Japan) system achieved excellent energy savings, velocity followability, and nearly perfect position tracking 12) . In the previous research, the current of the motor at a cylinder piston speed of 3.0 mm/s was 11.4 A for valve-based control (VBC), but 7.6 A for HDD.…”