1. Shenyang Institute of Automation, Chinese Academy of Sciences, Shenyang 110016, China; 2. Graduate School of the Chinese Academy of Sciences, Beijing 100049, China
Abstract:This paper describes the design of buoyancy adjusting mechanism,pitch adjusting mechanism and roll adjusting mechanism of an underwater glider,and analyzes the relationship between its movement mechanisms and motion performance.The underwater glider motion performance is analyzed by a method using CFX hydrodynamic calculation software.The hydrodynamic parameters of constant gliding motion are identified with least square method based on CFX calculation results.The space helix turning motion is simplified,and a method for analyzing the turning characteristics and estimating the turning circle radius with CFX hydrodynamic calculation is presented.
[1] 惠绍棠,朱光文,葛运国.海洋环境立体监测系统技术与系统集成[A]. 2003高技术发展报告[R]. 北京:科学出版社,2003.117-185. [2] Sherman J, Davis R E, Owens W B, et al. The autonomous underwater glider "Spray"[J]. IEEE Journal of Oceanic Engineer, 2001,26(4):437-446. [3] Eriksen C C, Osse T J, Light R D, et al. Seaglider:a long-range autonomous underwater vehicle for oceanographic research[J]. IEEE Journal of Oceanic Engineer, 2001,26(4):424-436. [4] Webb D C, Simonetti P J, Jones C P. SIOCUM:an underwater glider propelled by environmental energy[J]. IEEE Journal of Oceanic Engineer, 2001, 26(4):447-452. [5] Fiorelli E, Bhatta P, Shulman I. Adaptive sampling using feedback control of an autonomous underwater glider fleet[A]. Proceedings of the 13th International Symposium on Unmanned Untethered Submersible Technology[C]. http:∥www. princeton. edu/~ naomi/uust03FBLSp. pdf, 2003. [6] Leonard N E, Graver J G. Model-based feedback control of autonomous underwater gliders[J]. IEEE Journal of Oceanic Engineer,2001,26(4):633-645. [7] Graver J G, Bachmayer R, Leonard N E, et al. Underwater glider model parameter identification[A]. Proceedings of the 13th International Symposium on Unmanned Untethered Submersible Technology[C]. http:∥www. princeton. edu/~ naomi/uust03GBLFp. pdf,2003.