In many industrial applications, complex mechanical systems can often be described by multibody systems (MBS) that interact with electrical, flowing, elastic structures, and other subsystems. Efficient, precise dynamic analysis for such coupled mechanical systems has become a research focus in the field of MBS dynamics. In this paper, a coupled self-propelled artillery system (SPAS) is examined as an example, and the discrete time transfer matrix method of MBS and multirate time integration algorithm are used to study the dynamics and cosimulation of coupled mechanical systems. The global error and computational stability of the proposed method are discussed. Finally, the dynamic simulation of a SPAS is given to validate the method. This method does not need the global dynamic equations and has a low-order system matrix, and, therefore, exhibits high computational efficiency. The proposed method has advantages for dynamic design of complex mechanical systems and can be extended to other coupled systems in a straightforward manner.
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January 2013
Research-Article
Discrete Time Transfer Matrix Method for Launch Dynamics Modeling and Cosimulation of Self-Propelled Artillery System
Bao Rong,
Bao Rong
1
Institute of Launch Dynamics,
Nanchang Military Academy,
Nanchang, P.R. China, 330103
e-mail: rongbao_nust@sina.com
Nanjing University of Science and Technology,
Nanjing, P.R. China, 210094
;Nanchang Military Academy,
Nanchang, P.R. China, 330103
e-mail: rongbao_nust@sina.com
1Corresponding author.
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Xiaoting Rui,
Xiaoting Rui
Institute of Launch Dynamics,
e-mail: ruixt@163.net
Nanjing University of Science and Technology,
Nanjing, P.R. China, 210094
e-mail: ruixt@163.net
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Ling Tao
Ling Tao
Institute of Plasma Physics,
Chinese Academy of Sciences (ASIPP),
Hefei, P.R. China, 230031
e-mail: palytao@ipp.ac.cn
Chinese Academy of Sciences (ASIPP),
Hefei, P.R. China, 230031
e-mail: palytao@ipp.ac.cn
Search for other works by this author on:
Bao Rong
Institute of Launch Dynamics,
Nanchang Military Academy,
Nanchang, P.R. China, 330103
e-mail: rongbao_nust@sina.com
Nanjing University of Science and Technology,
Nanjing, P.R. China, 210094
;Nanchang Military Academy,
Nanchang, P.R. China, 330103
e-mail: rongbao_nust@sina.com
Xiaoting Rui
Institute of Launch Dynamics,
e-mail: ruixt@163.net
Nanjing University of Science and Technology,
Nanjing, P.R. China, 210094
e-mail: ruixt@163.net
Ling Tao
Institute of Plasma Physics,
Chinese Academy of Sciences (ASIPP),
Hefei, P.R. China, 230031
e-mail: palytao@ipp.ac.cn
Chinese Academy of Sciences (ASIPP),
Hefei, P.R. China, 230031
e-mail: palytao@ipp.ac.cn
1Corresponding author.
Manuscript received October 14, 2011; final manuscript received May 4, 2012; accepted manuscript posted online May 18, 2012; published online October 29, 2012. Assoc. Editor: Bo S. G. Janzon.
J. Appl. Mech. Jan 2013, 80(1): 011008 (9 pages)
Published Online: October 29, 2012
Article history
Received:
October 14, 2011
Revision Received:
May 4, 2012
Accepted:
May 18, 2012
Citation
Rong, B., Rui, X., and Tao, L. (October 29, 2012). "Discrete Time Transfer Matrix Method for Launch Dynamics Modeling and Cosimulation of Self-Propelled Artillery System." ASME. J. Appl. Mech. January 2013; 80(1): 011008. https://doi.org/10.1115/1.4006869
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