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Gyroplane Rotors Vibration Tests

References [1] Bramwell, A. R. S., Done, G., Balmford, D., Bramwell’s Helicopter Dynamics , Butterworth-Heinemann, 2001. [2] Cheol-Yong, Y., et al., Dynamic Characteristics of Helicopter Bearingless Main Rotor , Journal of the Korean Society Aeronautical and Space Sciences, Vol. 44, No. 5, pp. 439-446, 2016. [3] Cieślak, S., I nstability of the gyroplane teetering rotor in axial flow , Transactions of the Institute of Aviation, No. 2 (235), pp. 28-37, Warsaw 2014. [4] Kania, M., Modeling of helicopter blades flapping in CATIA V5

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A Comparison of Helicopter Main Rotor Features Due to Stiffness of Rotor Blade-Hub Connection

REFERENCES [1] Prouty R.W., 1988, More Helicopter Aerodynamics , Phillips Pub Co. [2] Johnson W., 1980, Helicopter Theory , Princeton University Press, Princeton, New Jersey. [3] Padfield G.D., 1996, Helicopter Flight Dynamics. the Theory and Application of Flying Qualities and Simulation Modeling , Blackwell Publishing Ltd. [4] Warwick G., 1985, “Will rotors lose their bearings?”, Flight International, 29 June, no. 3966, vol.127, pp. 30-35. [5] Braun D., Frommlet H., Schwarz A., 1990, “FEL – A New Main Rotor System”, Vertica, Vol

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Mechanical Analysis Process of a Coaxial Counter Rotor for Applications in Unmanned Ultra-Light Units

REFERENCES [1] Bratuchin, J.P., 1958, “Design and construction of helicopters” (in Polish: „Projektowanie i konstrukcja śmigłowców”), Państwowe Wydawnictwa Techniczne, Warsaw. [2] Stanisławski, J., 2018, “Performance requirements and simulation of rotor operation for high-mountain rescue helicopter”, Journal of KONES Powertrain and Transport, Vol. 25, No. 2. [3] Aubry J.A., 1982, “Rotary-wing aircraft rotor having a compact articulated hub”, US Patent 4361415. [4] Ferris, D.L., Rybicki, R.C., 1976, “Two-position helicopter main rotor”, US

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Gyroplane Rotor Hubs Strength Tests

References [1] Bronowicz, J., Obliczenia obciążeń zewnętrznych wirnika wiatrakowca Fusioncopter FC-4 dla przypadków lotnych według wymagań przepisów CS-27 , FC.w2.Dob.jbr.016.ver1, Świdnik 2013. [2] CAP 643 – British Civil Airworthiness requirements. Section T Light gyroplanes, 9 May 2013. [3] Cieślak, S., Instability of the gyroplane teetering rotor in axial flow , Transactions of the Institute of Aviation, No. 2 (235), pp. 28-37, Warsaw 2015. [4] CS-27 – Certification Specifications for Small rotorcraft, change 3, 11 December 2012

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Innovative Composite Gyroplane Rotor Blades – Fatigue Tests

References [1] Czyż, Z., Łusiak, T., Czyż, D., Kasperek, D., Analysis of the pre-rotation engine loads in the autogyro , Advances in Science and Technology, Vol. 10, No. 31, pp. 169-176, 2016. [2] Duda, H., Pruter, I., Flight performance of lightweight gyroplanes , 28th International Congress of the Aeronautical Sciences, Brisbane, Australia 2012. [3] Niemi Jr., E. E., Raghu Gowda, B. V., Gyroplane rotor aerodynamics revisited – blade flapping and RPM variation in zero-g flight , 49th AIAA Aerospace Sciences Meeting including the New Horizons

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A Prototype Test Stand for Testing Insolated Rotor Systems

References [1] Kim, D.-K., et al., An operational test and dynamic balancing sensitive study of the rotor blade on the whirl tower , Vol. 1, pp. 412-421, 38th European Rotorcraft Forum, Amsterdam 2012. [2] Ergul, B. P., Yasa, O. A., Tursun, G., Determination of structural integrity of teetering rotor system by whirl tower tests, 39th European Rotorcraft Forum, Moscow 2013. [3] Ezertas, A., Yucekayali, A., Ortakaya, Y., Hover performance assessment of 3 meter radius rotor on whirl tower , 39th European Rotorcraft Forum, Moscow 2013. [4

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Indirect Detection Method of Rotor Position Based on DE-SVM

References 1. Wen, Z. M., B. Liu. Comparison of Some Indirect Rotor-Position Detection Techniques for Switched Reluctance Motors. – SCI/TECH Information Development & Economy, Vol. 15 , 2005, No 18, pp. 199-201. 2. Zhou, S. Y., H. Lin. Rotor Position Detection Techniques of Switched Reluctance Motor without Position Sensor. – Electric Drive, Vol. 36 , 2006, No 2, pp. 8-10. 3. Hou, X. C., Y. L. Cui, J. M. R. Liu. Rotor Position Angle Estimation and Speed Control in SRD Using Fuzzy Logic Based Motor Model. – Electric Drive, Vol. 30 , 2003, No 5

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Simulation Investigation of Rotor Loads and Blade Deformations in Steady States and at Boundaries of Helicopter Flight Envelope

References [1] Johnson, W., Milestone in Rotorcraft Aeromechanics , NASA/TP-2011-215971, 2011. [2] Bousman, W. G., Kufeld, R. M., UH-60A Airloads Catalog ,, NASA/TM-2005-212827, 2005. [3] Olson, L. E., Abrego, A. I., Barrows, D. A., Burner, A. W., Blade Deflections Measurements of a Full-Scale UH-60A Rotor System , American Helicopter Society Aeromechanics Specialist Conference, San Francisco, California 2010. [4] Abrego, A. I., Meyn, L., Burner, A. W., Barrows, D. A., Summary of Full-Scale Blade Displacement Measurements of the UH-60A

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Wind Tunnel Tests of Quad-Rotor Autogyro Model

References [1] Leishman, J. G., Principles of Helicopter Aerodynamics , Cambridge University Press, 2000. [2] Wheatey, J. B., Hood, M. J., Full-Scale Wind-Tunnel Tests of Autogyro Rotor , NACA Report No. 515, 1935. [3] Charnov, B. H., From Autogyro to Gyroplane , Westport Conn, 2003. [4] Harrison, J. P., The Cierva Autodynamic Rotor , NASA Report No. TP-218714, 2015. [5] Jefflewis Net., Autogyro History and Theory, https://pl.scribd.com/document/254272804/Autogyro-History-and-Theory . [6] Dziubiński, A., Ulma, D

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Comparison of Synchronous Reluctance Motors with the Outer and Inner Rotor

-170). Ontario, Canada. 3. Vagati, A., Pastorelli, M., Franceschini, G., & Petrache, S.C. (1998). Design of lowtorque- ripple synchronous reluctance motors. IEEE Transactions on Industry Applications, 34(4). 4. Dirba, J., Lavrinovicha, L., & Dobriyan, R. (2015). The prospects of synchronous reluctance motors usage in low power electrical devices. Latv.J.Phys.Tech. Sci., 52(2), 40-48. DOI:10.1515/lpts-2015-0010. 5. Hennen, M.D., & De Doncker, R.W. (2007). Comparison of outer- and inner- rotor switched reluctance machines. In 7th

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