نتایج جستجو برای: aircrafts
تعداد نتایج: 1085 فیلتر نتایج به سال:
In this paper we present a state estimation scheme for Unmanned Aircrafts (UAs) utilizing dynamics based models and multi-sensor data fusion. Employing the UA in can substantially enhance estimator performance, but obtaining accurate parameters each is computationally costly complex. To eliminate these issues, propose two decoupled Extended Kalman Filters (EKFs), namely Rotational Decoupled Fil...
In aviation industry, considering more freedom in the selection and modification of flight paths during flight time is a new challenge, which is known as free flight. The free flight concept alters the current centralized and command-control airspace system (between air traffic controllers and pilots) to a distributed system that allows pilots choose their own flight paths more efficient and op...
In order to assist national public health authorities in the European Union to assess the risks associated with the transmission of infectious agents on board aircrafts, the European Centre for Disease Prevention and Control initiated in 2007 the RAGIDA project (Risk Assessment Guidance for Infectious Diseases transmitted on Aircraft). RAGIDA consists of two parts: the production of a systemati...
Structural Health Monitoring (SHM) technology is a revolutionary method of determining the integrity of aircraft structures, and is increasingly being evaluated by the aerospace industry as a possible method to improve the safety and reliability of aircrafts and thereby reduce their operational cost. Researchers in China have been studying SHM technologies for aerospace applications since the b...
Flow corridor is a new class of trajectory-based airspace which derives from the Next Generation Air Transportation System Concept of Operations. Reducing the airspace complexity and increasing the capacity are the main purpose of the en-route corridor. This paper analyzes the collision risk-capacity tradeoff using combined discrete-continuous simulation method. A basic two-dimensional en-route...
As technology and innovations in unmanned aerial vehicles progress, so does the need for regulations place to create safe controlled flying scenarios. The Federal Aviation Administration (FAA) is a governing body under United States Department of Transportation that responsible wide range regulatory activities related airspace. In recently published final rule, FAA addresses several concerns su...
The automatic detection of aircrafts from SAR images is widely applied in both military and civil fields, but there are still considerable challenges. To address the high variety aircraft sizes complex background information images, a new fast framework based on convolution neural networks proposed, which achieves rapid with accuracy. First, airport runway areas detected to generate mask rectan...
With the rapid development of airlines, airports today become much busier and more complicated than previous days. During airlines daily operations, assigning the available gates to the arriving aircrafts based on the fixed schedule is a very important issue, which motivates researchers to study and solve Airport Gate Assignment Problems (AGAP) with all kinds of state-of-the-art combinatorial o...
Airline companies do not collaborate when dealing with problems that arise during their own operational control plan. These problems are related with aircrafts, crew members and passengers and the actions towards the solution of these problems are usually known as operations recovery. In this paper we present a possible solution to the problem of lack of collaboration between different airlines...
The issues in air traffic control have so far been addressed with the intent to improve resource utilization and achieve an optimized solution with respect to fuel comsumption of aircrafts, efficient usage of the available airspace with minimal congestion related losses under various dynamic constraints. So the focus has almost always been more on smarter management of traffic to increase profi...
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