Results 111 to 120 of about 94,085 (216)

Optimizing conceptual aircraft designs for minimum life cycle cost [PDF]

open access: yes
A life cycle cost (LCC) module has been added to the FLight Optimization System (FLOPS), allowing the additional optimization variables of life cycle cost, direct operating cost, and acquisition cost.
Johnson, Vicki S.
core   +1 more source

Load Flow Analysis with Analytic Derivatives for Electric Aircraft Design Optimization [PDF]

open access: yes
Many of the aircraft concepts of the future are exploring the use of hybrid-, turbo- or all-electric propulsion systems to improve performance and decrease environmental impacts.
Aretskin-Hariton, Eliot D.   +2 more
core   +1 more source

Advanced rotorcraft transmission program [PDF]

open access: yes
The Advanced Rotorcraft Transmission (ART) program is an Army-funded, joint Army/NASA program to develop and demonstrate lightweight, quiet, durable drivetrain systems for next generation rotorcraft.
Bill, Robert C.
core   +1 more source

Prediction of forces and moments for flight vehicle control effectors. Part 1: Validation of methods for predicting hypersonic vehicle controls forces and moments [PDF]

open access: yes
Many types of hypersonic aircraft configurations are currently being studied for feasibility of future development. Since the control of the hypersonic configurations throughout the speed range has a major impact on acceptable designs, it must be ...
Maughmer, Mark D.   +3 more
core   +1 more source

Review of Advances in Fire Extinguishing Based on Computer Vision Applications: Methods, Challenges, and Future Directions. [PDF]

open access: yesSensors (Basel)
Loboichenko V   +10 more
europepmc   +1 more source

Advanced piloted aircraft flight control system design methodology. Volume 2: The FCX flight control design expert system [PDF]

open access: yes
The development of a comprehensive and electric methodology for conceptual and preliminary design of flight control systems is presented and illustrated.
Mcruer, Duane T., Myers, Thomas T.
core   +1 more source

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