Results 241 to 250 of about 1,599,471 (300)

Morphometric Findings in Adolescents with Robin Sequence: A Photographic and Cephalometric Study of the Face and Mandible. [PDF]

open access: yesChildren (Basel)
Müller-Hagedorn S   +8 more
europepmc   +1 more source

Impact-angle-constraint look angle guidance for miniature missile

2016 16th International Conference on Control, Automation and Systems (ICCAS), 2016
An engagement dynamic model is set up for the miniature missile guidance solution under the constraints of field-of-view angle and terminal impact angle. The impact-angle constraint guidance law design is converted into an optimal control problem subjected to terminal constraints.
Fan Jun-fang   +3 more
openaire   +1 more source

Vestibular Schwannoma Cerebellopontine Angle Position Impacts Facial Outcome

The Laryngoscope, 2021
Objectives/HypothesisTo determine the impact of vestibular schwannoma (VS) position relative to the internal auditory canal (IAC) on postoperative facial nerve function and extent of surgical resection.Study DesignRetrospective chart review.MethodsRetrospective review of patients undergoing resection of large (≥25 mm) VSs.
Candace E. Hobson   +5 more
openaire   +2 more sources

Look Angle Constrained Impact Angle Control Based on Proportional Navigation

AIAA Guidance, Navigation, and Control Conference, 2015
Two guidance schemes for nonlinear impact angle control against stationary ground targets are presented to address the issue of the look angle constraint. The guidance laws utilized are the unbiased and biased pure proportional navigation laws, for which the necessary analytical solutions are derived.
Koray S. Erer   +2 more
openaire   +1 more source

Guidance law with impact angle and impact time constraints

2019 Chinese Control Conference (CCC), 2019
In the terminal guidance process, in addition to ensure that the missile intercepts target with a small miss distance, achieving the desired impact angle can also improve the lethality of the missile. On the other hand, controlling the impact time can reduce the time for the target to evade interception and achieve the purpose of multi-elastic ...
Binghe An, Yongii Wang, Lei Liu
openaire   +1 more source

A nonlinear impact-angle guidance law

International Journal of Intelligent Unmanned Systems, 2017
Purpose The purpose of this paper is to propose a new nonlinear guidance law to satisfy terminal impact-angle constraints against a stationary target in every possible planar surface-to-surface engagement scenario. The proposed guidance scheme is developed based on the geometry of a circular arc trajectory.
Mandar Bhanudas Kamalaskar   +2 more
openaire   +1 more source

Impact angle control for planar engagements

IEEE Transactions on Aerospace and Electronic Systems, 1999
A new and practical terminal guidance law is presented for impact angle control for two-dimensional active homing engagement scenarios. Impact angle control is required to enhance terminal effectiveness of antitank and antiship missile systems in particular.
T.L. Song, S.J. Shin, H. Cho
openaire   +1 more source

New Look-Angle Tracking Guidance Strategy for Impact Time and Angle Control

Journal of Guidance, Control, and Dynamics, 2022
This paper presents a new guidance strategy for a certain class of homing missiles subject to various terminal constraints and lateral acceleration limit.
Pengyu Wang   +4 more
openaire   +1 more source

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