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Cubature Kalman Filters—CKF
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Cubature Kalman Filters的介绍,原理及应用,是一不错的非线性滤波方法。
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MURI Meeting, UCSD, October 2008 (Haykin) 1
Cubature Kalman Filters
Simon Haykin
McMaster, University
Hamilton, Ontario, Canada
email: haykin@mcmaster.ca
Web site: http://soma.mcmaster.ca
MURI Meeting, UCSD, October 2008 (Haykin) 2
Outline of The Lecture
1. Introductory Remarks
2. The Bayesian Filter: A powerful tool for solving the nonlinear
filtering problem
3. The Cubature Kalman Filter
4. Example Application: Tracking a manoeuvring ship
5. Concluding Remarks
Reference
MURI Meeting, UCSD, October 2008 (Haykin) 3
1. Introductory Remarks
“Optimality versus Robustness”
In many applications, global optimality may not be practically feasible:
• Large-scale nature of the problem
• Infeasible computability
• Curse-of-dimensionality
Hence, the practical requirement of having to settle for a sub-optimal
solution of the system design
• Trade-off global optimality for computational tractability and robust
behaviour.
MURI Meeting, UCSD, October 2008 (Haykin) 4
Criterion for sub-optimality
DO AS BEST AS YOU CAN, AND NOT MORE
• This statement is the essence of what the human brain does on a
daily basis:
Provide the “best” solution in the most reliable
fashion for the task at hand, given limited resources.
• Key question: How do we define “best”?
MURI Meeting, UCSD, October 2008 (Haykin) 5
2. The Bayesian Filter: A powerful tool for
solving the nonlinear tracking problem
Problem statement:
Given a nonlinear dynamic system, estimate the hidden state of the
system in a recursive manner by processing a sequence of noisy
observations dependent on the state.
• The Bayesian filter provides a unifying framework for the optimal
solution of this problem, at least in a conceptual sense.
Unfortunately, except in a few special cases, the Bayesian filter is not
implementable in practice -- hence the need for approximation.
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资源评论
- whj_winner2012-07-31原来是论文,但是也不错啦!!
- 天阴下雨2013-11-14很好,可惜我英文不佳,呵呵~
- LIUDADACHUN2014-06-17还行,可以借鉴!
- justin4711716592015-01-07挺好,大有帮助!
- cqs137213950362013-09-11不错,可以借鉴
yang_hst
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