8GIECK J. Riding on air: A history of air suspension [M]. Warrendale, U.S.A: Society of Automotive Engineers, 1999.
9DIXON G V, PEARSON J. Automatically controlled air spring suspension system for vibration testing[R]. Washington D C: National Aeronautics and Space Administration, 1967.
10BURTON A W, TRUSCOTT A J, WELLSTEAD P E. Analysis, modelling and control of an advanced automotive self-levelling suspension system[J]. IEE Proc.-Control Theory Appl., 1995, 142(2): 129-139
