A divide-and-conquer fragile self-embedding watermarking with adaptive payload
Sign Up to like & getrecommendations! Published in 2019 at "Multimedia Tools and Applications"
DOI: 10.1007/s11042-019-07802-y
Abstract: This paper proposes a divide-and-conquer fragile self-embedding watermarking with adaptive payload for digital images. A graph-based visual saliency (GBVS) model is adopted to automatically classify image blocks into region of interest (ROI) and background (ROB).… read more here.
Keywords: divide conquer; information; fragile self; payload ... See more keywords
Nonlinear adaptive control for an unmanned aerial payload transportation system: theory and experimental validation
Sign Up to like & getrecommendations! Published in 2019 at "Nonlinear Dynamics"
DOI: 10.1007/s11071-019-05283-0
Abstract: In this paper, the position control and swing motion control problem are investigated for an aerial payload transportation system which consists of a quadrotor unmanned aerial vehicle (UAV) and a suspended payload. Under the constraints… read more here.
Keywords: aerial payload; transportation system; control; payload transportation ... See more keywords
Modeling of active magnetic bearing in rotating payload satellite considering shaft motion coupling
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Mechanical Science and Technology"
DOI: 10.1007/s12206-020-1005-7
Abstract: This paper establishes the refined dynamic model of the five degree-of-freedom active magnetic bearing used in the earth-oriented satellite system with an unbalanced rotating payload based on the more refined air gap change model for… read more here.
Keywords: motion; magnetic bearing; payload; model ... See more keywords
Modeling and Micro-vibration Control of Flexible Cable for Disturbance-Free Payload Spacecraft
Sign Up to like & getrecommendations! Published in 2021 at "Microgravity Science and Technology"
DOI: 10.1007/s12217-021-09897-1
Abstract: Disturbance-Free Payload (DFP) spacecraft is a novel spacecraft architecture consisting of the support module(SM) and the payload module(PM), which can provide an ultra-quiet vibration environment for sensitive payloads, but in practical applications, flexible cables used… read more here.
Keywords: payload; flexible cable; vibration; disturbance ... See more keywords
Jib Vibration and Payload Swing of Tower Cranes in the Case of Trolley Motion
Sign Up to like & getrecommendations! Published in 2021 at "Arabian Journal for Science and Engineering"
DOI: 10.1007/s13369-021-05804-3
Abstract: Based on the assumptions that the tower and counter jib of the tower cranes are rigid bodies in the case of trolley motion, the jib of the tower cranes is taken as a cantilever beam.… read more here.
Keywords: payload; trolley motion; jib; tower cranes ... See more keywords
The reachable 3-D workspace volume is a measure of payload and body-mass-index: A quasi-static kinetic assessment.
Sign Up to like & getrecommendations! Published in 2019 at "Applied ergonomics"
DOI: 10.1016/j.apergo.2018.09.010
Abstract: An experimental protocol with five tasks is proposed for a low-cost empirical assessment of the reachable 3-D workspace (RWS), including both close-to-torso and far-from-torso regions. Ten participants repeated the protocol for four distinct hand payloads.… read more here.
Keywords: mass index; body mass; payload; volume ... See more keywords
Cooperative aerial lift and manipulation (CALM)
Sign Up to like & getrecommendations! Published in 2018 at "Aerospace Science and Technology"
DOI: 10.1016/j.ast.2018.09.005
Abstract: Abstract This paper proposes a novel paradigm for aerial payload transport and object manipulation by an unmanned aerial vehicle (UAV) team. This new paradigm, called cooperative payload lift and manipulation (CALM), applies the continuum deformation… read more here.
Keywords: lift manipulation; manipulation calm; manipulation; payload ... See more keywords
Multiple observers based anti-disturbance control for a quadrotor UAV against payload and wind disturbances
Sign Up to like & getrecommendations! Published in 2020 at "Control Engineering Practice"
DOI: 10.1016/j.conengprac.2020.104560
Abstract: Abstract This paper presents a multiple observers based anti-disturbance control (MOBADC) scheme against multiple disturbances for a quadrotor unmanned aerial vehicle (UAV). The quadrotor UAV dynamics can be represented by the Newton’s second law and… read more here.
Keywords: quadrotor; control; payload; multiple observers ... See more keywords
Stable microencapsulated phase change materials with ultrahigh payload for efficient cooling of mobile electronic devices
Sign Up to like & getrecommendations! Published in 2020 at "Energy Conversion and Management"
DOI: 10.1016/j.enconman.2020.113478
Abstract: Abstract Microencapsulated phase change materials (microPCMs) of core–shell structure with high payload were fabricated via Pickering emulsion stabilized by regenerated nanochitin (RCh) and its subsequent interfacial polymerization with isocyanate. Size and shell thickness of the… read more here.
Keywords: payload; microencapsulated phase; phase change; change materials ... See more keywords
Damping oscillation of suspended payload by up and down motion of the pivot base - time delay algorithms for UAV applications
Sign Up to like & getrecommendations! Published in 2019 at "IFAC-PapersOnLine"
DOI: 10.1016/j.ifacol.2019.12.217
Abstract: Abstract A case study problem of damping oscillations of a pendulum by moving a pivot in vertical direction is presented. The motivation for solving this task comes from a broader research on designing advanced control… read more here.
Keywords: motion; suspended payload; algorithms; control ... See more keywords
Techno-economic analysis of conventional and advanced high-pressure tube trailer configurations for compressed hydrogen gas transportation and refueling
Sign Up to like & getrecommendations! Published in 2018 at "International Journal of Hydrogen Energy"
DOI: 10.1016/j.ijhydene.2018.01.049
Abstract: Abstract Transporting compressed gaseous hydrogen in tube trailers to hydrogen refueling stations (HRSs) is an attractive economic option in early fuel cell electric vehicle (FCEV) markets. This study examines conventional (Type I, steel) and advanced… read more here.
Keywords: tube; hydrogen; payload; tube trailer ... See more keywords