Relevant bibliographies by topics / Automatic pilot (Airplanes) Design and construction

Academic literature on the topic 'Automatic pilot (Airplanes) Design and construction'

Author: Grafiati
Published: 10 December 2022
Last updated: 29 January 2023

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Journal articles on the topic "Automatic pilot (Airplanes) Design and construction"

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Zajdel, Albert, Mariusz Krawczyk, and Cezary Szczepański. "Pre-Flight Test Verification of Automatic Stabilization System Using Aircraft Trimming Surfaces." Aerospace 9, no. 2 (February 19, 2022): 111. http://dx.doi.org/10.3390/aerospace9020111.

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The new requirement of installing the flight stabilization system onboard the airplanes for performing the single-pilot flights in IFR rules was issued lately. It caused the necessity of developing such a system for small aircraft. The proposed system was developed using Model-Based Design then tuned and tested in Model, Pilot and Hardware in the Loop Simulations. The paper presents the next advanced stage of testing—verification in simulation and ground tests on the PZL-130 Orlik airplane. The implementation of this system does not modify the pilot’s primary manual controls. The newly introduced electrical trim is used for automatic stabilization but can be used at manual trimming as it was previously, depending on the chosen operation mode. The ground tests were planned according to civil aviation authority and aviation law requirements. Chosen results from simulated flights were analyzed and presented, confirming the effectiveness of the proposed system. The dedicated application allowing the test engineer to change stabilization system parameters during the flight on a touchscreen tablet was developed and described. The outcome of the stabilization system test campaign was a verification of its performance before the flight tests. The comparison of simulated and real flight data will allow identifying model deficiencies and flight stabilization system efficiency, which makes possible improvements implementation. Additionally, it appeared to be the cost-effective and less electrical energy-consuming automatic flight stabilization system for small aircraft. Such features benefit initiatives like Future Sky, More Electric Aircraft and aircraft stabilization system retrofit.
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Yan, Hao, and Fei Meng. "Design of Semi-Physical Simulation System of UAV Based on Computer Control." Advanced Materials Research 466-467 (February 2012): 1325–28. http://dx.doi.org/10.4028/www.scientific.net/amr.466-467.1325.

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For a fly control system of UAV, the author designs the hardware in the loop simulation system, formulates the construction and working theory of it, and introduces the formulation software. The results shows that, the system can supply the good simulation circumstance for this automatic pilot, save the cost and the time. Especially, it is of significance to evaluate the fly quality and accelerate the research progress of UAV.
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Brandel, Sylvain, Sébastien Schneider, Michel Perrin, Nicolas Guiard, Jean-Français Rainaud, Pascal Lienhard, and Yves Bertrand. "Automatic Building of Structured Geological Models." Journal of Computing and Information Science in Engineering 5, no. 2 (February 4, 2005): 138–48. http://dx.doi.org/10.1115/1.1884145.

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The present article proposes a method to significantly improve the construction and updating of 3D geological models used for oil and gas exploration. We present a prototype of a “geological pilot” which enables monitoring the automatic building of a 3D model topologically and geologically consistent, on which geological links between objects can easily be visualized. This model can automatically be revised in case of changes in the geometric data or in the interpretation.
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Park, Min-Ji, Eul-Bum Lee, Seung-Yeab Lee, and Jong-Hyun Kim. "A Digitalized Design Risk Analysis Tool with Machine-Learning Algorithm for EPC Contractor’s Technical Specifications Assessment on Bidding." Energies 14, no. 18 (September 17, 2021): 5901. http://dx.doi.org/10.3390/en14185901.

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Engineering, Procurement, and Construction (EPC) projects span the entire cycle of industrial plants, from bidding to engineering, construction, and start-up operation and maintenance. Most EPC contractors do not have systematic decision-making tools when bidding for the project; therefore, they rely on manual analysis and experience in evaluating the bidding contract documents, including technical specifications. Oftentimes, they miss or underestimate the presence of technical risk clauses or risk severity, potentially create with a low bid price and tight construction schedule, and eventually experience severe cost overrun or/and completion delays. Through this study, two digital modules, Technical Risk Extraction and Design Parameter Extraction, were developed to extract and analyze risks in the project’s technical specifications based on machine learning and AI algorithms. In the Technical Risk Extraction module, technical risk keywords in the bidding technical specifications are collected, lexiconized, and then extracted through phrase matcher technology, a machine learning natural language processing technique. The Design Parameter Extraction module compares the collected engineering standards’ so-called standard design parameters and the plant owner’s technical requirements on the bid so that a contractor’s engineers can detect the difference between them and negotiate them. As described above, through the two modules, the risk clauses of the technical specifications of the project are extracted, and the risks are detected and reconsidered in the bidding or execution of the project, thereby minimizing project risk and providing a theoretical foundation and system for contractors. As a result of the pilot test performed to verify the performance and validity of the two modules, the design risk extraction accuracy of the system module has a relative advantage of 50 percent or more, compared to the risk extraction accuracy of manual evaluation by engineers. In addition, the speed of the automatic extraction and analysis of the system modules are 80 times faster than the engineer’s manual analysis time, thereby minimizing project loss due to errors or omissions due to design risk analysis during the project bidding period with a set deadline.
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Statsura, Dmitry B., Maksim Yu Tuchkov, Pyotr V. Povarov, Aleksandr I. Tikhonov, Sergey P. Padun, Aleksandr P. Vorobyov, and Margarita M. Mayorova. "Using the unit software model to improve design solutions and optimize process management." Nuclear Energy and Technology 7, no. 1 (March 30, 2021): 33–39. http://dx.doi.org/10.3897/nucet.7.64982.

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Advanced design power units are distinguished by a high degree of digital transformation. Therefore, of particular interest are operator information (intelligent) support systems, which can reduce the workload on operating personnel as well as predict possible deviations long before they evolve into severe emergencies. The article analyzes the current standard process documentation that requires solutions to support the operator and determines the list of system functions that should be provided to improve the safety level of nuclear power plants. A brief overview of the world experience in implementing such solutions is also provided. As an example of the further development of operator support systems, the authors consider the operator information support system (OISS), which is being developed at the NvNPP pilot unit with the VVER-1200 reactor. The OISS functions will make it possible to fulfill the requirements of standard process documentation that are currently not implemented in the power unit design. The key features of the OISS under development are step-by-step interactive procedures and the unit software model. The authors provide a brief description of the power unit software model and consider several examples of its practical application as part of the OISS to improve design solutions and optimize automatic process control. In the years ahead, it is proposed to implement the OISS at power units under construction in order to reduce the information overload of operators and create conditions for a step-by-step increase in the automation level of the power unit control.
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Zhao, Zhongbin, Xifu Wang, Suxin Cheng, Wei Liu, and Lijun Jiang. "A New Synchronous Handling Technology of Double Stake Container Trains in Sea-Rail Intermodal Terminals." Sustainability 14, no. 18 (September 8, 2022): 11254. http://dx.doi.org/10.3390/su141811254.

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With the advantages of large volume, low unit transportation costs, as well as sustainable and stable transport capacity, China in recent years has actively promoted the innovative pilot of double-stake container sea-rail intermodal transport in the Ningbo-Zhoushan port. In this study, a new synchronous handling technology is proposed to improve the handling efficiency of double-stake container trains at sea-rail intermodal terminals. This research primarily focuses on the design of an LDAGV (Automatic Guided Vehicle with Loading and Discharging Function) and a new special flat wagon for double-stake container trains, while also optimizing the overall layout of the container terminal yard. It then evaluates nine double-stake container stacking forms based on the requirements of transport gauge and center of gravity height. Finally, using data from the Ningbo Beilun No. 3 container terminal, a cost-benefit analysis is performed to compare the traditional handling scheme for common double-stake container trains and the new synchronous handling scheme for double-stake container trains with new special flat wagons. The results show that the application of new synchronous handling technology has obvious advantages in terms of reducing the handling time and operation cost of double-stake container trains in sea-rail intermodal container terminals, as well as enriching the stacking forms of double-tier containers on the new special flat wagon, thus reducing the difficulty of collecting cargoes and the organization of container source.
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Radionov, Andrey A., Vadim R. Gasiyarov, Alexander S. Karandaev, Boris M. Loginov, and Vadim R. Khramshin. "Advancement of Roll-Gap Control to Curb the Camber in Heavy-Plate Rolling Mills." Applied Sciences 11, no. 19 (September 23, 2021): 8865. http://dx.doi.org/10.3390/app11198865.

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The quality of steelwork products depends on the geometric precision of flat products. Heavy-plate rolling mills produce plates for large-diameter pipes and for use in shipbuilding, mechanical engineering, and construction. This is why the precision requirements are so stringent. Today’s Mills 5000 produce flat products of up to 5 m in width; the operation of these units shows ‘camber’ defects and axial shift of the roll at the stand exit point. This induces greater loss of metal due to edge trimming and involves a higher risk of accidents. These defects mainly occur due to the asymmetry in the roll gap, which is in turn caused by their misalignment in rolling. As a result, the feed varies in gauge, and the strip moves unevenly. The paper’s key contribution consists in theoretical and experimental substantiation and development of a set of control methods intended to address roll-gap asymmetry. The methods effectively compensate for the asymmetry resulting from the “inherited” wedge, which preexists before the strip enters the stand. They also compensate for the “ongoing” roll misalignment that is caused by the difference in force on the opposite side of the stand during rolling. This comprehensive approach to addressing camber and axial displacement of the feed has not been found in other sources. This paper presents a RAC controller connection diagram that ensures that the roll gap is even across the feed. The paper notes the shortcomings of the design configuration of the controller and shows how it could be improved. The authors have developed a predictive roll-gap asymmetry adjustment method that compensates for the deviations in gauge during the inter-passage pauses. They have also developed a method to control gap misalignment during rolling. The paper showcases the feasibility of a proportional-derivative RAC. The methods have been tested by mathematical modeling and experimentally. The paper further shows oscillograms sampled at Mill 5000 after implementing the developed solutions. Tests confirm far better precision of the screw-down mechanisms on the opposite sides of the stand. This reduces the variation in gauge across the feed and thus curbs the camber defect. As a result, the geometry of the flat improves, and less metal is lost in trimming. The paper further discusses how the RAC controller interacts with the automatic gauge control system. The conclusion is that these systems do not interfere with each other. The developed systems have proceeded to pilot testing.
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Staf, Marek, and Barbora Votavová. "Low-cost natural carbon dioxide sorbents available in the Czech Republic." Paliva, September 30, 2021, 86–95. http://dx.doi.org/10.35933/paliva.2021.03.02.

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The article deals with the issue of carbon dioxide adsorption on mineral samples, two of which are rich in montmorillonite and one in kaolinite. The last comparative sample is clinoptilolite, which is widely used as a sorbent in agriculture, water treatment, etc. The theoretical part summarizes several current researches on the use of bentonites as adsorbents, both in their raw form and after various chemical treatments. The study presented here does not suggest any modification procedure, but tests untreated samples and samples subjected to calcinations at temperatures of 250-750 ° C. The calcination of units of grams was carried out by means of a carousel TGA, which made it possible to record curves of mass changes and to obtain a sufficient amount of calcinates for further analyses at the same time. From the point of view of achieving the highest specific surface area and the total pore volume, the optimal calcination temperature for the phyllosilicate samples ranged from 250 to 450 °C. Natural zeolite, on the other hand, showed a deterioration of both of these parameters at any temperature exceeding 150 °C. The same temperature dependence was found in the case of adsorption capacities determined by an automatic analyser Autosorb IQ using pure CO2. Measurements on this instrument also confirmed that selected inexpensive natural materials provide comparable adsorption capacities as the commercially available 13X molecular sieve used as a reference sample. Based on the performed analyses, the initial conditions of sample preparation for the upcoming measurement of adsorption properties on a larger apparatus operating in the PSA/TSA mode were determined. The primary aim of the tests using the selfdesigned high-pressure adsorption unit will be to determine the adsorption capacities that will take into account the temperature and pressure conditions in a real postcombustion carbon dioxide capture system. Unlike the automatic analyser described above, it will be possible to quantify the influence of important factors such as: flue gas humidity, the presence of other permanent gases (especially SO2) and last but not least various CO2 partial pressures and absolute pressure during adsorption and desorption. The experiments will verify the extent to which the presence of noncondensing moisture in the gaseous mixture is problematic. In the case of phyllosilicates, it is not just the parallel adsorption of H2O that affects the adsorption capacity available for CO2 capture. It will be empirically determined to what extent the swelling of the sorbent occurs in the wet gas, changing the gas flow through the layer and especially the pressure loss. The results of measurements on high-pressure apparatus will be the basis for the design and construction of a larger pilot scale unit.
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Dissertations / Theses on the topic "Automatic pilot (Airplanes) Design and construction"

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Riviello, Luca. "Rotorcraft trim by a neural model-predictive auto-pilot." Thesis, Available online, Georgia Institute of Technology, 2005, 2005. http://etd.gatech.edu/theses/available/etd-04142005-203616/unrestricted/riviello%5Fluca%5F200505%5Fmast.pdf.

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Thesis (M. S.)--Aerospace Engineering, Georgia Institute of Technology, 2005.
Bottasso, Carlo, Committee Chair ; Hodges, Dewey, Committee Member ; Bauchau, Olivier, Committee Member. Includes bibliographical references.
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Wolfe, Douglas E. "Airplane dynamic modeling and automatic flight control design." Master's thesis, This resource online, 1990. http://scholar.lib.vt.edu/theses/available/etd-01202010-020132/.

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Lim, Bock-Aeng. "Design and rapid prototyping of flight control and navigation system for an unmanned aerial vehicle." Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 2002. http://sirsi.nps.navy.mil/uhtbin/hyperion-image/02Mar%5FLimBA.pdf.

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Wang, Chao. "Aircraft autopilot design using a sampled-data gain scheduling technique." Ohio : Ohio University, 1999. http://www.ohiolink.edu/etd/view.cgi?ohiou1175280078.

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Christiansen, Reed Siefert. "Design Of An Autopilot For Small Unmanned Aerial Vehicles." Diss., CLICK HERE for online access, 2004. http://contentdm.lib.byu.edu/ETD/image/etd445.pdf.

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Knoebel, Nathan B. "Adaptive Quaternion Control for a Miniature Tailsitter UAV." Diss., CLICK HERE for online access, 2007. http://contentdm.lib.byu.edu/ETD/image/etd2092.pdf.

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Chen, Long Ren. "An adaptive pitch axis autopilot design for an unstable nonminimum phase pitch axis model." Thesis, 1990. http://hdl.handle.net/1957/38014.

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An adaptive pitch axis autopilot design procedure is presented. The design procedure is applicable to both stable and unstable pitch axis models and to those having nonminimum phase. The design approach assumes the adaptive autopilot is activated after achieving level flight. It is shown a rate-feedback compensator can be designed to ensure stable level flight pitch axis operation for the entire desired flight regime. The adaptive control loop design utilizes a pole-placement algorithm. The closed-loop characteristic polynomial is designed to have dominant poles of that of an ideal second order system to obtain the desired transient response. The identification of the system uses a modified least-squares algorithm with a variable forgetting factor. The nonlinear pitch axis model is used in simulations to evaluate the design. Command response tests include the step response and the ramp command response. Simulation results indicate that the adaptive pitch axis autopilot is capable of tracking altitude commands after activation. The closed-loop system response is close to that of the ideal second order system having the dominant poles.
Graduation date: 1991
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Books on the topic "Automatic pilot (Airplanes) Design and construction"

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Srinathkumar, S. Eigenstructure control algorithms: Applications to aircraft/ rotorcraft handling qualities design. London, U.K: Institution of Engineering and Technology, 2011.

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The design of the aeroplane: Which describes common-sense mechanics of design as they affect the flying qualities of aeroplanes needing only one pilot. Oxford: BSP Professional Books, 1985.

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3

Stinton, Darrol. The design of the aeroplane: Which describes common-sense mechanics of design as they affect the flying qualities of aeroplanes needing only one pilot. London: BSP Professional Books, 1993.

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The design of the aeroplane: - which describes common-sense mechanics of design as they affect the flying qualities of aeroplanes needing only one pilot. London: Collins, 1985.

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C, Chenoweth C., ed. Aircraft flight control actuation system design. Warrendale, PA: Society of Automotive Engineers, 1993.

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International Robotic Sailing Conference (4th 2011 Lübeck, Germany). Robotic sailing: Proceedings of the 4th International Robotic Sailing Conference. Berlin: Springer, 2011.

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Xiao, Chengmo. Yacht modelling and adaptive control. Hauppauge NY: Nova Science Publishers, 2009.

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T, Voth Christopher, Sanjay Swamy, and Langley Research Center, eds. Robust integrated autopilot/autothrottle design using constrained parameter optimization: Final report. [Hampton, Va.]: NASA Langley Research Center, 1990.

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K, Schmidt D., and United States. National Aeronautics and Space Administration. Scientific and Technical Information Program., eds. Modified optimal control pilot model for computer-aided design and analysis. [Washington, DC]: National Aeronautics and Space Administration, Office of Management, Scientific and Technical Information Program, 1992.

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Modified optimal control pilot model for computer-aided design and analysis. [Washington, DC]: National Aeronautics and Space Administration, Office of Management, Scientific and Technical Information Program, 1992.

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Book chapters on the topic "Automatic pilot (Airplanes) Design and construction"

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Pool, Robert. "Complexity." In Beyond Engineering. Oxford University Press, 1997. http://dx.doi.org/10.1093/oso/9780195107722.003.0009.

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Things used to be so simple. In the old days, a thousand generations ago or so, human technology wasn’t much more complicated than the twigs stripped of leaves that some chimpanzees use to fish in anthills. A large bone for a club, a pointed stick for digging, a sharp rock to scrape animal skins—such were mankind’s only tools for most of its history. Even after the appearance of more sophisticated, multipiece devices—the bow and arrow, the potter’s wheel, the ox-drawn cart—nothing was difficult to understand or decipher. The logic of a tool was clear upon inspection, or perhaps after a little experimentation. No longer. No single person can comprehend the entire workings of, say, a Boeing 747. Not its pilot, not its maintenance chief, not any of the thousands of engineers who worked upon its design. The aircraft contains six million individual parts assembled into hundreds of components and systems, each with a role to play in getting the 165-ton behemoth from Singapore to San Francisco or Sidney to Saskatoon. There are structural components such as the wings and the six sections that are joined together to form the fuselage. There are the four 21,000-horsepower Pratt & Whitney engines. The landing gear. The radar and navigation systems. The instrumentation and controls. The maintenance computers. The fire-fighting system. The emergency oxygen in case the cabin loses pressure. Understanding how and why just one subassembly works demands years of study, and even so, the comprehension never seems as palpable, as tangible, as real as the feel for flight one gets by building a few hundred paper airplanes and launching them across the schoolyard. Such complexity makes modern technology fundamentally different from anything that has gone before. Large, complex systems such as commercial airliners and nuclear power plants require large, complex organizations for their design, construction, and operation. This opens up the technology to a variety of social and organizational influences, such as the business factors described in chapter 3. More importantly, complex systems are not completely predictable.
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Conference papers on the topic "Automatic pilot (Airplanes) Design and construction"

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Schwarzbach, Marc, Uwe Putze, Ursula Kirchgaessner, and Maria v. Schoenermark. "Acquisition of High Quality Remote Sensing Data Using a UAV Controlled by an Open Source Autopilot." In ASME 2009 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2009. http://dx.doi.org/10.1115/detc2009-86725.

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This paper describes the integration and application of the Paparazzi autopilot into an aircraft system for scientific research on remote sensing. The main purpose of the presented UAV, Stuttgarter Adler, is remote sensing of the environment for fundamental radiometric research as well as applications in agriculture, surveying and mapping. Employing a UAV for the retrieval of remote sensing data of quality comparable to data from manned missions represents a very flexible and inexpensive method of data acquisition. The sensors required for the intended resolution total several kilograms in weight and led to the construction of a matching airplane. All intended missions require a robust and precise control of the aircraft during image acquisition flights, which can only be achieved with an automated pilot assistance system. The Paparazzi system was chosen because its open source approach allowed to adapt the autopilot to the specific mission requirements. Interfaces to the digital remote control and to the camera and spectrometer payloads have been created. Test flights show good results in stabilizing the airplane and controlling the payload.
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Asada, Yasuhide, Kenzo Miya, Kazuhiko Hada, and Eisuke Tada. "Code of a Tokamak Fusion Energy Facility ITER." In 10th International Conference on Nuclear Engineering. ASMEDC, 2002. http://dx.doi.org/10.1115/icone10-22673.

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The technical structural code for ITER (International Thermonuclear Experimental Fusion Reactor) and, as more generic applications, for D-T burning fusion power facilities (hereafter, Fusion Code) should be innovative because of their quite different features of safety and mechanical components from nuclear fission reactors, and the necessity of introducing several new fabrication and examination technologies. Introduction of such newly developed technologies as inspection-free automatic welding into the Fusion Code is rationalized by a pilot application of a new code concept of “system-based code for integrity”. The code concept means an integration of element technical items necessary for construction, operation and maintenance of mechanical components of fusion power facilities into a single system to attain an optimization of the total margin of these components. Unique and innovative items of the Fusion Code are typically as follows; • Use of non-metals; • Cryogenic application; • New design margins on allowable stresses, and other new design rules; • Use of inspection-free automatic welding, and other newly developed fabrication technologies; • Graded approach of quality assurance standard to cover radiological safety-system components as well as non-safety-system components; • Consideration on replacement components.
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