ASD Technical Report, Numéro 61Aeronautical Systems Division, Air Force Systems Command, United States Air Force, 1961 |
Autres éditions - Tout afficher
Expressions et termes fréquents
A-curves within region According to Equations amplitude and frequency amplitude ap APPENDIX SECTION Appendix-Section approximate equation aresin asinu assumption awcosu b₂ characteristic equation coefficients computed from Equation constant coordinates corresponds cosu cosudu criterion dead zone defined by Equation derived Describing Function Cont'd determined differential equation Equations 1.11 example expression extraneous excitation F₂ Flasinu forced oscillations frequency Wp Goldfarb's harmonic linearization higher harmonics hysteresis loop Inserting into Equation investigated K₁ K₂ Krylov and Bogoliubov's limit cycle linear element linear system portion locus curve method Michailov-vector motor non-linear element non-linear function non-linear system obtained order systems output periodic solution permanent oscillations phase phase plane plot point of intersection procedure Q₁ quantities R₁ relay right side SECTION AII Cont'd shown in Figure sinu sinudu sinusoidal stability border T₂ tions transfer function unstable VIBRATION LINEARIZATION W₁ wp² x₁ X₂ yields