نتایج جستجو برای: fuzzy guidance low

تعداد نتایج: 1354070  

2005
Stojce Deskovski Zoran Gacovski

∗ Both authors are visiting professors at Macedonian Military Academy, and have significant contribution in teaching/research activities in the field of intelligent missile systems Abstract. We have developed a simulation model of homing-guided anti-aircraft or surface-to air (SA) missiles SAM, suitable for research, development and testing of different guidance and control laws, obtained from ...

2010
Chakraborty Vikash Kumar Debjani Chakraborty

ACKNOWLEDGEMENT I express my sincere gratitude to my supervisor, respected Prof. Debjani Chakraborty under whose supervision and guidance this work has been carried out. Without her whole hearted involvement, advice, support and constant encouragement, it would have been impossible to carry out this project work with confidence. CERTIFICATE This is to certify that the thesis entitled " Optimizi...

Journal: :international journal of electrical and electronics engineering 0
a. naderii h. ghasemzadehii a. pourazar m. aliasgharyii

in this paper, a new structure possessing the advantages of low-power consumption, less hardware and high-speed is proposed for fuzzy controller. the maximum output delay for general fuzzy logic controllers (flc) is about 86 ns corresponding to 11.63 mflips (fuzzy logic inference per second) while this amount of the delay in the designed fuzzy controller becomes 52ns that corresponds to 19.23 m...

2011
Mohamed Rizk Ahmed ElSayed

In this paper we consider the problem of air to ground missile guidance system using fuzzy controller which uses Proportional Navigation and Pure Pursuit methods. The fuzzy controller’s rules are defined using Tabu Search (TS). The missile model is assumed as three degree of freedom (3DOF) (assuming the analysis in the vertical plane only). This paper presents numerical results for applying the...

Journal: :Fuzzy Sets and Systems 2003
Peter J. Deer Peter W. Eklund

The fuzzy c-means clustering algorithm (and a supervised classiier based on it) requires the a priori selection of a weighting parameter called the fuzzy exponent (denoted m). Guidance in the existing literature on an appropriate value of m is not deenitive. This paper determines suitable values of m by using the criterion that fuzzy set memberships reeect class proportions in the mixed pixels ...

Journal: :Journal of the Japan Society for Aeronautical and Space Sciences 1993

2005
Hadi Nobahari Seid H. Pourtakdoust

The well-known ant colony optimization meta-heuristic is applied to design a new command to line-of-sight guidance law. In this regard, the lately developed continuous ant colony system is used to optimize the parameters of a pre-constructed fuzzy sliding mode controller. The performance of the resulting guidance law is evaluated at different engagement scenarios.

Journal: :Journal of Intelligent and Fuzzy Systems 2015
Yi-Wei Ma Weihua Zhang Han Long

Differential geometric guidance command (DGGC) is widely acknowledged as a better method of endoatmospheric interception than three-dimensional (3D) pure proportional navigation (PPN). DGGC can be regarded as an intelligent method due to its sophisticated sense of Lyapunov. However, traditional DGGC cannot guarantee line of sight (LOS) finite time convergence (FTC) to zero against maneuvering t...

2007
Chun-Liang Lin Tzu-Chiang Kao Meng-Tzong Wu

A new fuzzified terminal guidance law is proposed which employs the versatile feature of the fuzzy logic system to shape a beneficial trajectory for target interception. In the proposed scheme, the guidance law is partitioned into three stages in accordance with the relative range between the interceptor and target. Estimated line-of-sight angle, line-of-sight angle rate, line-of-sight angular ...

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