RTU 2016 Question Paper Semester VIII Electronic Instrumentation and Control Engineering Non-Linear Control Systems

3" 1., | :..,r; (\I ,-\ V FI B.Tech. vilI - semester (Main) Examinationo rc Aprit 2arc Electronic trnstrumentation & contror Engineering kl € 8EI2A Non-Linear Control Systerns Time : 3 Hours Maximum Marks : 80 fnstuetions to Candidates: Min" Passing Marks ; 26 Anempt any live questians, selecting one question from each unit. All questions cavry equal marrcs. (schematic dicgrams must o" ,n**n;;;;;r;;'i""uroo*. A*y data yau feel missing suitabry be essumed and stated crearry" units af quantities used/iarcettatid must be stated crearry. IJnit - I x. Explain all non linearities in control system in detail (16) OR 1' Differentiate the linear control systern rvith non - linear control system behaviour in (16) Unit - tr[ 2. Explain: a) Method of isoclines (8) b) Jump response (8) OR 2, Explain: a) Limitcycies (8) b) Poincare-Bendixsontheorem (8) Unit - HI 3. Derive the describing fi.rnction forthe following non rinearity (8x2=16) a) Threshold b) Saturation 888I02&ore (1) lContd.".

OR 3. How can y.ou determine the stability of the non-linear control system? E.plit;i with the suitable examPle Unit - IV 4. Explain (8) a) Linearization and local stability (8) b) LYaPunov's Direct Methsd OR 4. Explain (8) a) EquilibriumPoint*reorem (8) b) Krasoviskii'smethod Unit - V for constructi*tlli 5. What is the adaptive control? Explain all the components adaptive control with a neat diagram OR 5,. Explain: (8) a) InPut-outPutlinearization (8) b) Gainscheduling oDel {l, (2)