|
|
|
|
|
Goran Vizentin, Goran Vukelic, Lech Murawski, Naman Recho and Josip Orovic
Failures of marine propulsion components or systems can lead to serious consequences for a vessel, cargo and the people onboard a ship. These consequences can be financial losses, delay in delivery time or a threat to safety of the people onboard. This i...
ver más
|
|
|
|
|
|
|
|
|
|
|
Aleksander Suti, Gianpietro Di Rito and Roberto Galatolo
The reliability enhancement of electrical machines is one of the key enabling factors for spreading the full-electric propulsion to next-generation long-endurance UAVs. This paper deals with the fault-tolerant control design of a Full-Electric Propulsion...
ver más
|
|
|
|
|
|
|
|
|
|
|
Shuming Yang, Changlin Xie, Yuqiang Cheng, Dianyi Song and Mengyu Cui
The propulsion system is one of the important and vulnerable sub-systems in a strap-on launch vehicle. Among different failure modes, the thrust drop fault is the most common and remediable one. It degrades vehicle attitude tracking ability directly. To ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Antonio Carlo Bertolino, Andrea De Martin, Giovanni Jacazio and Massimo Sorli
The evolution toward ?more electric? aircraft has seen a decisive push in the last decade due to growing environmental concerns and the development of new market segments (flying taxis). Such a push has involved both the propulsion components and the air...
ver más
|
|
|
|
|
|
|
|
|
|
|
Zijing Xu, Roberto Galeazzi and Jingqi Yuan
The availability of the propulsion system is of primary importance to ensure safe and stable operations of marine crafts, both during transit and station keeping. Diminished propulsion efficiency could impair the ability of a vessel to maintain speed and...
ver más
|
|
|
|
|
|
|
|
|
|
|
Myeong-Ho Song, Taek-Kun Nam and Jae-ung Lee
The reliability of propulsion shafting systems is a major concern for ocean-going vessels because mid-ocean repairs can be time-consuming and spare parts must be available. To address this concern, vibration modeling and experimental measurements were co...
ver más
|
|
|
|
|
|
|
|
|
|
|
Sergio Saponara
This paper presents an actuator control unit (ACU) with a 450-J embedded energy storage backup to face safety critical mechatronic applications. The idea is to ensure full operation of electric actuators, even in the case of battery failure, by using sup...
ver más
|
|
|
|
|
|
|
|
|
|
|
Ruliang Lin, Lijing Huang, Zhiwen Liu, Xuehua Zhou and Zhiguo Zhou
Sixty percent of the failures of launch vehicles in the ascending phase occur in the propulsion system. Among them, the vibration generated by the engine is an important factor in the occurrence of failure. At present, health assessment methods in the ae...
ver más
|
|
|
|
|
|
|
|
|
|
|
Andrew K. Jeyaraj and Susan Liscouët-Hanke
To reduce the environmental impact of aviation, aircraft manufacturers develop novel aircraft configurations and investigate advanced systems technologies. These new technologies are complex and characterized by electrical or hybrid-electric propulsion s...
ver más
|
|
|
|
|
|
|
|
|
|
|
Aleksander Suti, Gianpietro Di Rito and Roberto Galatolo
This paper deals with the development of a novel fault-tolerant control technique aiming at the diagnosis and accommodation of inter-turn short circuit faults in permanent magnet synchronous motors for lightweight UAV propulsion. The reference motor is d...
ver más
|
|
|
|
|
|
|
|
|
|
|
Yuri Katz and Morel Groper
This study presents the complete, detailed development process of an enhanced one-man portable Lagrangian float designed for littoral deployment to depths of up to 300 m. The design focused on maximization of the Lagrangian characteristics of the hull, m...
ver más
|
|
|
|
|
|
|
|
|
|
|
Serdar Yildiz, Fatih Tonoglu, Özkan Ugurlu, Sean Loughney and Jin Wang
Narrow waterways are important connection hubs, also known as logistics transfer nodes, within maritime transport, where maritime traffic can become very dense and congested. Heavy traffic, unsuitable environmental conditions and human errors make narrow...
ver más
|
|
|
|
|
|
|
|
|
|
|
Alessandro Zambon, Lorenzo Moro, Jeffrey Brown, Allison Kennedy and Dan Oldford
Polar navigation entails challenges that affect the continuation of ship operations in severe ice conditions. Due to ice-propeller interaction, propulsion shafting segments are often at a high risk of failure. Efficient methods for shaft line design are ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Ugur Kokal, Nazli Turan and Murat Celik
LaB6" role="presentation" style="position: relative;">??????6LaB6
L
a
B
6
emitters are commonly used in hollow cathodes that are utilized in electric space propulsion systems. In order to obtain necessary surface current emission densities of 1?10 A/cm2...
ver más
|
|
|
|
|
|