Results 101 to 110 of about 6,558 (215)

Stability theory applications to laminar-flow control [PDF]

In order to design Laminar Flow Control (LFC) configurations, reliable methods are needed for boundary-layer transition predictions. Among the available methods, there are correlations based upon R sub e, shape factors, Goertler number and crossflow ...
Malik, Mujeeb R.
core   +1 more source

Future long-range transports: Prospects for improved fuel efficiency [PDF]

A status report is provided on current thinking concerning potential improvements in fuel efficiency and possible alternate fuels. Topics reviewed are: (1) historical trends in airplane efficiency; (2) technological opportunities including supercritical ...
Alford, W. J., Jr., Dugan, J. F., Jr., Nagel, A. L.   +2 more
core   +1 more source

Sampled‐data‐based H∞ load frequency control for power systems with wind power

IET Renewable Power Generation
Load disturbances, the intermittent generation of wind power, and the uncertainty of sampling period will significantly affect the frequency stability of power system.
Shi‐Gang Qin, De‐Shun Liu, Hong‐Hai Lian   +2 more
doaj   +1 more source

Study of the application of advanced technologies to laminar-flow control systems for subsonic transports. Volume 2: Analyses [PDF]

For abstract, see N76 ...
Bennett, J. A., Etchberger, F. R., Ferrill, R. S., Meade, L. E., Sturgeon, R. F.   +4 more
core   +1 more source

Bionic active power control for multi-area microgrids: A large-scale multiagent deep meta reinforcement learning approach

International Journal of Electrical Power & Energy Systems
Traditional centralized load frequency control (LFC) is vulnerable to power fluctuations in tie-line power due to the conflicting objectives of multiple area controllers and distributors in an isolated multi-area microgrid.
Dan Liu, Xia Chen, Jiawen Li
doaj   +1 more source

Pengoptimalan Umpan Balik Linear Quadratic Regulator (Lqr) Pada Fuzzy Load Frequency Control (Lfc) Menggunakan Artificial Immune System (Ais) [PDF]

, 2011
Makalah ini membahas suatu metode kontrol optimal Linear Quadratic Regulator (LQR) dalam pengaturan matriks pembobot Q dan R dan parameter Fuzzy menggunakan algoritma Artificial Immune System (AIS).
Febriana, Kristanti
core  

Optimizing load frequency control in isolated island city microgrids: a deep graph reinforcement learning approach with data enhancement across extensive scenarios

Frontiers in Energy Research
This study presents a Data-Enhanced Optimum Load Frequency Control (DEO-LFC) strategy for microgrids, targeting an optimal balance between generation costs and frequency stability amidst high renewable energy integration.
Min Wu, Dakui Ma, Kaiqing Xiong, Linkun Yuan   +3 more
doaj   +1 more source

Cargo Logistics Airlift Systems Study (CLASS). Volume 5: Summary [PDF]

Findings and conclusions derived during the study of freighter aircraft requirements to the year 2008 are summarized. These results represent the stepping off point for the much needed coordinated planning efforts by government agencies, the airlines ...
Burby, R. J., Kuhlman, W. H.
core   +1 more source

Renewable energy sources integrated load frequency control of power system: A review

e-Prime: Advances in Electrical Engineering, Electronics and Energy
Due to advancements in human society and lifestyle changes, the escalating demand for electric energy, along with the expansion of industrialization, highlights the growing importance of green energy such as renewable energy sources (RESs). Nevertheless,
S.B. Masikana, Gulshan Sharma, Sachin Sharma   +2 more
doaj   +1 more source

Satellite applications to electric-utility communications needs [PDF]

Significant changes in the Nation's electric power systems are expected to result from the integration of new technology, possible during the next decade.
Barnett, R., Horstein, M.
core   +1 more source