Results 51 to 60 of about 19,479 (297)

Gas turbine engine fuel control [PDF]

, 1973
A variable orifice system is described that is responsive to compressor inlet pressure and temperature, compressor discharge pressure and rotational speed of a gas-turbine engine.
Gold, H. S.
core   +1 more source

Transducers Across Scales and Frequencies: A System‐Level Framework for Multiphysics Integration and Co‐Design

Advanced Materials Technologies, EarlyView.
Transducers convert physical signals into electrical and optical representations, yet each mechanism is bounded by intrinsic trade‐offs across bandwidth, sensitivity, speed, and energy. This review maps transduction mechanisms across physical scale and frequency, showing how heterogeneous integration and multiphysics co‐design transform isolated ...
Aolei Xu, Mengyao Xiao, Zhouli Sui, Yinpeng Wang, Daoye Zheng, Yuxin Liu, Luwei Wang, Huajun Liu, Chengkuo Lee   +8 more
wiley   +1 more source

Small-Signal Stability and Dynamic Behaviors of a Hydropower Plant With an Upstream Surge Tank Using Different PID Parameters

IEEE Access, 2021
This paper used the state space method to establish a stability analysis model of a hydroturbine governing system (HTGS) coupled with a water diversion system.
Gaohui Li, Jian Zhang, Xumin Wu, Xiaodong Yu   +3 more
doaj   +1 more source

Additively Manufactured Porous Ceramics as Tunable Dielectrics for Passive Temperature Sensing

Advanced Materials Technologies, EarlyView.
Porous ceramic lattices, 3D‐printed from a multicomponent oxide ink, are integrated with LC resonators for passive wireless temperature sensing. By tuning porosity, the dielectric properties and RF response are engineered to produce distinct resonant frequency shifts with temperature. The results establish a structure‐driven approach to customizing the
Sogol Heidarishahrivar, Aminul Islam, Chang Woo Gal, Insup Kim, Yeong‐Jin Choi, Woo Soo Kim   +5 more
wiley   +1 more source

Inertia emulation control strategy for VSC-HVDC transmission systems [PDF]

, 2013
There is concern that the levels of inertia in power systems may decrease in the future, due to increased levels of energy being provided from renewable sources, which typically have little or no inertia.
Adam, Grain Philip, Booth, Campbell, Bright, C.G., Roscoe, Andrew, Zhu, Jiebei   +4 more
core   +1 more source

Waveguide Photoactuators: Materials, Fabrication, and Applications

Advanced Robotics Research, EarlyView.
Waveguide photoactuators convert guided light into mechanical motion. Their tethered‐flexible design enables minimally invasive surgery and confined‐space robotics. This review aims to guide materials selection, device design, and system integration, accelerating the transition of waveguide photoactuators from laboratory prototypes to versatile ...
Minjie Xi, Hemin Pan, Yang Zong, Yongfeng Mei, Jizhai Cui   +4 more
wiley   +1 more source

Advanced Governor for Hydroelectric Turbines 1

IFAC Proceedings Volumes, 1992
Abstract This paper deals with a prototype of a speed and power control system for an hydroelectric power unit. Its structure and basic features are described. Main characteristics are the controller adaptative parameter algorithm with preprogrammed gains, the functions incorporated in sensors and actuators like autocalibration and self-diagnosis.
J. Riera, R. Cardoner
openaire   +1 more source

Sustainable Materials Design With Multi‐Modal Artificial Intelligence

Advanced Science, EarlyView.
Critical mineral scarcity, high embodied carbon, and persistent pollution from materials processing intensify the need for sustainable materials design. This review frames the problem as multi‐objective optimization under heterogeneous, high‐dimensional evidence and highlights multi‐modal AI as an enabling pathway.
Tianyi Xu, Tianshuo Wei, Yan Ge, Bo Peng, Yue Li, Maolin Wang, Peng Wen, Chao Yang, Ye Wei   +8 more
wiley   +1 more source

Analisis Stabilitas Sistem Daya pada Interkoneksi PLTMH Ampelgading di Gardu Induk Turen

Jurnal EECCIS (Electrics, Electronics, Communications, Controls, Informatics, Systems), 2013
Kebutuhan akan energi listrik yang terus meningkat saat ini membutuhkan suatu kontinuitas pelayanan oleh penyedia tenaga listrik. Kontinuitas pelayanan dimaksud terkait dengan stabilitas sistem daya dan kualitas daya listrik yang disalurkan ke konsumen ...
Hadi Suyono, Rini Nur Hasanah, Teguh Utomo, Markus D. Letik   +3 more
doaj   +1 more source

Modelling and Simulation of Low-Head Hydro Turbine for Small Signal Stability Analysis in Power System [PDF]

Journal of Renewable Energy and Environment, 2016
The hydro turbine dynamics have a considerable influence on the dynamic stability of power system. In the study of dynamic stability, the system is modeled by the linear differential equations (small  signal analysis).
Ghazanfar Shahgholian
doaj   +1 more source