2Matsumoto Kazuyuki,Ikeya Mitsuei.Friction and leakage characteristics between the valve plate and cylinder for starting and low-speed conditions in a swash plate-type axial piston motor[C]∥ Nippon Kikai Gakkai Ronbunshu,C Hen/Transactions of the Japan Society of Mechanical Engineers,Part C,1991,57(538):2 023~2 028.
3Sadashivappa K,Singaperumal M,Narayanasamy K.On the efficiency of the axial piston motor considering piston form deviations[J].Mechatronics,1996,6(3):283~301.