Journal
NONLINEAR DYNAMICS
Volume 70, Issue 1, Pages 619-625Publisher
SPRINGER
DOI: 10.1007/s11071-012-0482-3
Keywords
Variable structure control; Sliding-mode guidance law; Impact angle constraint; Finite-time convergence
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Funding
- National Natural Science Foundation of China [61174094, 60904064]
- Specialized Research Fund for the Doctoral Program of Higher Education [20090031110029]
- National Natural Science Foundation of Tianjin [09JCYBJC01700]
- Program for New Century Excellent Talents in University of China [NCET-10-0506]
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In this paper, a finite-time convergent sliding-mode guidance law with terminal impact angle constraint is presented. The guidance law insures that the line-of-sight angular rate will converge to zero before the final time of the guidance process. Meanwhile the flight-path angle will meet the terminal impact angle requirement. Based on the finite-time convergence stability theory and the variable structure control theory, the finite convergence time is determined. Finally, the simulation results show that the guidance law is effective.
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