Damage, failure and stability control of evolutionary process caused by re-exploitation of the residual resources

2013 ◽  
Vol 19 (4) ◽  
pp. 462-467
Author(s):  
Xiao-Jing Feng ◽  
Dong Duan ◽  
Qu-Zhen Tian ◽  
Kai Wang ◽  
Li-Bin Liu
Keyword(s):  
Evolutionary Process ◽  
Stability Control

scholarly journals Form, function, and divergence of a generic fin shape in small cetaceans

2020 ◽  
Author(s):  
Vadim Pavlov ◽  
Cecile Vincent ◽  
Bjarni Mikkelsen ◽  
Justine Lebeau ◽  
Vincent Ridoux ◽  
...  
Keyword(s):  
Cross Sections ◽  
Evolutionary Process ◽  
Stability Control ◽  
Hydrodynamic Performance ◽  
Cross Sectional ◽  
Aquatic Life ◽  
Propulsive Efficiency ◽  
Dorsal Fin ◽  
Cross Sectional Design ◽  
Thrust Production

AbstractTail flukes as well as the dorsal fin are the apomorphic traits of cetaceans appeared during evolutionary process of adaptation to the aquatic life. Both appendages present a generic wing-like shape associated with lift generation and low drag. Variability of the form of appendages was studied in seven species of cetaceans having different body size, external morphology, and specialization. Hydrodynamic performance of the fin cross-sections was examined with the CFD software and compared with similar engineered airfoils. Affinity of hydrodynamic design of both appendages was found in a wing-like planform and cross-sectional design optimized for lift generation. Distinctions in the planform and cross-sections were found related with the fin specialization in thrust production or swimming stability control. Cross-sectional design of the dorsal fin was found to be optimized for the narrow range of small angles of attack. Cross-sections of tail flukes were found to be more stable for higher angles of attack and had gradual stall characteristics that is associated with their propulsive efficiency as oscillating foils. The results obtained are the evidence of divergent evolutionary pathways of a generic wing-like shape of the fins of cetaceans under specific demands of thrust production and swimming stability control.

FEATURES OF TUGBOATS STABILITY CONTROL IN MANEUVERING ON THE SHELF

2019 ◽  
Vol 1 (20) ◽  
Author(s):  
O. Tovstokory ◽  
V. Nesterenko ◽  
O. Zavalniuk
Keyword(s):  
Stability Control

On the role of conflict in the evolutionary process

2016 ◽  
pp. 87-91
Author(s):  
V.I. Bol’shakov ◽  
◽  
Yu.I. Dubrov ◽  
Keyword(s):  
Evolutionary Process

A Study on Zero Assignment by Fault Tolerant Stability Control

2016 ◽  
Vol 136 (2) ◽  
pp. 143-156 ◽  
Author(s):  
Katsuhiko Fuwa ◽  
Tatsuo Narikiyo ◽  
Tatsushi Ooba
Keyword(s):  
Fault Tolerant ◽  
Stability Control

Development of Trunk Transmission Online Integrated Stability Control System (ISC) for New Generation Grid

2017 ◽  
Vol 137 (6) ◽  
pp. 434-445 ◽  
Author(s):  
Hiroshi Yoshida ◽  
Ryuji Tachi ◽  
Koya Takafuji ◽  
Hironori Imaeda ◽  
Masaru Takeishi ◽  
...  
Keyword(s):  
Control System ◽  
Stability Control ◽  
Stability Control System ◽  
New Generation

Development of On-line Integrated Stability Control System (ISC) for Long-distance Bulk Power Transmission

2013 ◽  
Vol 133 (4) ◽  
pp. 313-323 ◽  
Author(s):  
Kuniaki Anzai ◽  
Kimihiko Shimomura ◽  
Soshi Yoshiyama ◽  
Hiroyuki Taguchi ◽  
Masaru Takeishi ◽  
...  
Keyword(s):  
Control System ◽  
Power Transmission ◽  
Stability Control ◽  
Long Distance ◽  
Stability Control System ◽  
On Line ◽  
Bulk Power

An Analytical Transient Tire Model

2001 ◽  
Vol 29 (2) ◽  
pp. 108-132 ◽  
Author(s):  
A. Ghazi Zadeh ◽  
A. Fahim
Keyword(s):  
Transient Behavior ◽  
Stability Control ◽  
Vehicle Stability ◽  
Tire Model ◽  
Steering Angle ◽  
First Order ◽  
Vehicle Stability Control ◽  
Proposed Model ◽  
Depth Study ◽  
And Performance

Abstract The dynamics of a vehicle's tires is a major contributor to the vehicle stability, control, and performance. A better understanding of the handling performance and lateral stability of the vehicle can be achieved by an in-depth study of the transient behavior of the tire. In this article, the transient response of the tire to a steering angle input is examined and an analytical second order tire model is proposed. This model provides a means for a better understanding of the transient behavior of the tire. The proposed model is also applied to a vehicle model and its performance is compared with a first order tire model.

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