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Effect of Enlarging the Aircraft Vertical Tail on State Variables of Stability Response during Dynamic Coupling | ||
| Wasit Journal of Engineering Sciences | ||
| Article 1, Volume 1, Issue 2, 2013, Pages 32-43 | ||
| Authors | ||
| Abdul Jabbar Jwair shamikh; ; ; ; Emad Ahmed hussain; Mohannad Abid Shehab Ahmed; Haithem Abd Al-Raheem Taha; Kamal Abdulkareem Mohammed; Miqdam Tariq Chaichan | ||
| Abstract | ||
| In this paper the variables of high performance aircraft including the modification of vertical tail during the roll inertia cross coupling phenomenon is presented. To demonstrate the effects of the enlarging the area of vertical tail on stability of aircraft, the longitudinal-lateral equations of aircraft motion at steady roll rate are solved. The results indicate that damping of the modified system is increased and the longitudinal-lateral state variables response of the aircraft is improved. The increase in the area of the vertical fin is a necessary feature in the development of the aircraft to improve stability during roll and decrease the possibility of cross coupling occurrence. Also the results indicated that the critical value of roll rate in case 1,at Mach no.=0.6, takes the range of -1.29 Keywords Aircraft state variables --- Cross coupling --- Aircraft stability --- Critical roll rates | ||
| Keywords | ||
| Aircraft state variables; Cross coupling; Aircraft stability; Critical roll rates; Discrete Wavelet Transform; Dynamic Time Warping; classifier; One; Class SVM; Speech Recognition; DTW; SVM; aluminum; Zinc alloys; Heat Treatment; mechanical properties; methanol; Compression ratio; Specific fuel consumption; Exhaust gas temperature; optimum spark timing | ||
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