Results 141 to 150 of about 165,973 (305)

Extending SysML v2 for Safety ‐ Open‐Source Library for the System‐Theoretic Process Analysis

open access: yesSystems Engineering, EarlyView.
ABSTRACT Safety challenges in automated transport systems create the need for a strong design and safety coupling. In this regard, the second version of the Systems Modeling Language (SysML v2) offers new integration opportunities with extensibility features such as libraries.
Alexander Ahlbrecht   +2 more
wiley   +1 more source

FLEXSTAB: A computer program for the prediction of loads and stability and control of flexible aircraft [PDF]

open access: yes
Capabilities of the FLEXSTAB Computer Program System are described and illustrated. Aeroelastic analysis of a wide variety of aircraft configurations is performed.
Erickson, L. R., Perkin, B. R.
core   +1 more source

Monitoring wildlife using long‐endurance solar‐electric UAVs

open access: yesWildlife Biology, EarlyView.
This report discusses the effectiveness of using small solar‐electric UAV (uncrewed aerial vehicles) for aerial wildlife monitoring. We review four years of aerial wildlife monitoring missions using a 5.5‐m wingspan, solar‐electric UAV that was equipped with a gimballed IR/RGB camera.
Götz Bramesfeld   +3 more
wiley   +1 more source

Multi-Objective Flight Control for Ride Quality Improvement for Flexible Aircraft [PDF]

open access: yes
This paper describes a multi-objective flight control system design for ride quality improvement for flexible aircraft using multi-functional distributed flight control surfaces.
Hashemi, Kelley, Nguyen, Nhan
core   +1 more source

About the Ageing‐Induced Modifications of Physical‐Chemical and Electrical Properties of Polyimide (PMDA‐ODA) Under Gamma Radiation and High Temperatures

open access: yesHigh Voltage, EarlyView.
ABSTRACT This study investigates the effects of radiation‐induced ageing on the physical, chemical, mechanical and electrical properties of Poly[4,4′‐oxydiphenylene‐ pyromellitimide] (PMDA‐ODA) polyimide, a high‐performance insulation material widely used in aerospace applications.
Simone Vincenzo Suraci   +3 more
wiley   +1 more source

Control law synthesis and optimization software for large order aeroservoelastic systems [PDF]

open access: yes
A flexible aircraft or space structure with active control is typically modeled by a large-order state space system of equations in order to accurately represent the rigid and flexible body modes, unsteady aerodynamic forces, actuator dynamics and gust ...
Mukhopadhyay, V.   +2 more
core   +1 more source

The influencing mechanism of manufacturing scene change on process domain knowledge reuse [PDF]

open access: yes, 2013
It is necessary for a enterprise to reuse outside process domain knowledge to develop intelligent manufacturing technology. The key factors influencing knowledge reuse in digital manufacturing scene are manufacturing activities and PPR (Products ...
Ling, Tiezhang   +2 more
core  

The Coloniality of Data: Police Databases and the Rationalization of Surveillance from Colonial Vietnam to the Modern Carceral State

open access: yesThe British Journal of Sociology, EarlyView.
ABSTRACT Tracing the early adoption of computer gang databases by the Los Angeles County Sheriff's Department and the Los Angeles Police Department in the 1980s to the deployment of computationally‐assisted surveillance during the Vietnam War, this paper uses a genealogical approach to compare surveillance technologies developed across the arc of ...
Christina Hughes
wiley   +1 more source

Condition Monitoring of Bituminous Pavements Subjected to Repeated Dynamic Aircraft Loading

open access: yesThe Baltic Journal of Road and Bridge Engineering, 2006
The Heavy Weight Deflectometer (HWD) is one of the most commonly used devices for monitoring the structural condition of airport pavement infrastructure systems on a routine basis in a rapid and non-destructive manner.
Kasthurirangan Gopalakrishnan
doaj  

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