Results 31 to 40 of about 75,283 (193)

Generalized Formulation of Weighted Optimal Guidance Laws with Impact Angle Constraint

open access: yes, 2013
The purpose of this paper is to investigate the generalized formulation of weighted optimal guidance laws with impact angle constraint. From the generalized formulation, we explicitly find the feasible set of weighting functions that lead to analytical ...
Lee, Chang-Hun   +2 more
core   +1 more source

Terminal Guidance Based on Bézier Curve for Climb-and-Dive Maneuvering Trajectory With Impact Angle Constraint

open access: yesIEEE Access, 2019
To improve the penetration capability and the damage effectiveness of cruise missiles, maneuvering trajectory with specific impact angle is applied in terminal guidance. In this paper, an innovative online method for terminal guidance is presented, which
Zhen Qin, Xiaoye Qi, Yongling Fu
doaj   +1 more source

Robust Integrated Guidance and Control Design for Angle Penetration Attack of Multimissiles

open access: yesInternational Journal of Aerospace Engineering, 2022
Angle penetration attack ability plays a more and more important role for missiles in modern warfare, and the traditional separate guidance and control system design problem is the key to restrict the improvement of time-sensitive attack and cooperative ...
Huan Zhou, Xin Zhao
doaj   +1 more source

Optimal Guidance Law with Impact-Angle Constraint and Acceleration Limit for Exo-Atmospheric Interception

open access: yesAerospace, 2021
This paper aims to develop an optimal guidance law for exo-atmospheric interception, in which impact-angle constraint and acceleration limit are considered.
Shilei Zhao, Wanchun Chen, Liang Yang
doaj   +1 more source

Composite Terminal Guidance Law for Supercavitating Torpedoes with Impact Angle Constraints

open access: yesMathematical Problems in Engineering, 2022
A novel composite terminal guidance law with impact angle constraints is proposed for supercavitating torpedoes to intercept maneuvering warships. Based on an adaptive super-twisting algorithm and nonsingular terminal sliding mode (NTSM), the proposed guidance law can guarantee the finite-time convergence of line-of-sight (LOS) angle error and the LOS ...
Dongxue Xu   +4 more
openaire   +1 more source

Rapid Algorithm for Generating Entry Landing Footprints Satisfying the No-Fly Zone Constraint

open access: yesInternational Journal of Aerospace Engineering, 2021
An online estimation algorithm of landing footprints based on the drag acceleration-energy profile is proposed for an entry hypersonic vehicle. Firstly, based on the Evolved Acceleration Guidance Logic for Entry (EAGLE), drag acceleration-energy profiles
Shengnan Fu   +3 more
doaj   +1 more source

A Two-Phased Guidance Law for Impact Angle Control with Seeker’s Field-of-View Limit

open access: yesInternational Journal of Aerospace Engineering, 2018
A two-phased guidance problem with terminal impact angle constraints and seeker’s field-of-view limit is addressed in this paper for a missile against a nonmaneuvering incoming target.
Haoqiang Zhang   +3 more
doaj   +1 more source

Asymptotic Opening Angles for Colliding-Wind Bow Shocks: the Characteristic-Angle Approximation

open access: yes, 2009
By considering the advection and interaction of the vector momentum flux in highly supersonic spherically diverging winds, we derive a simple analytic description of the asymptotic opening angle of a wind-collision shock cone, in the approximation that ...
Antokhin   +9 more
core   +1 more source

Short-Range Reentry Guidance With Impact Angle and Impact Velocity Constraints for Hypersonic Gliding Reentry Vehicle

open access: yesIEEE Access, 2019
In order to ensure the normal operation of the guidance system and achieve precise reentry strike, it is necessary to complete the reentry guidance in a very short range of several hundred kilometers.
Ronggang Wang, Shuo Tang, Dong Zhang
doaj   +1 more source

Variation in the organization and subunit composition of the mammalian pyruvate dehydrogenase complex E2/E3BP core assembly [PDF]

open access: yes, 2011
The final version of this article is available at the link below.Crucial to glucose homoeostasis in humans, the hPDC (human pyruvate dehydrogenase complex) is a massive molecular machine comprising multiple copies of three distinct enzymes (E1–E3) and an
Alan Cooper   +44 more
core   +3 more sources

Home - About - Disclaimer - Privacy