8Zom A H. A merging of system technologies: All-accelerometer inertial navigation and gravity gradiometry[C]//Proceedings of 2002 IEEE Position, Location, and Navigation Symposium. Palm Springs, 2002: 66-73.
9Schuler A R. Measuring rotational motion with linear accelerometers[J]. IEEE Trans. on AES(S0018-9251), 1967, 3(3): 465-472.
10Padgaonkar A J, Kriege K W, King A I. Measurement of angular acceleration of a rigid body using linear accelerometers[J]. Journal of Applied Mechanics(S0021-8936), 1975, 42: 552-556.
2PERTTULA P, KORHONEN P, LETHTELA J, et al. Improving the Safety and Efficiency of Materials Transfer at a Construction Site by Using an Elevalor[ J]. Journal of construction engineering and management, August, 2006 : 836 -842.
