AP} ABDUL KALAM TECHNOLOGICAL UNIVERSITY
SECOND SEMESTER M. TECH DEGREE EXAMINATION, MAY 201 6
Electrical & Electronics Engineering

(Control Systems, Guidance and Navigational Control, Power System and Control)

01EE6114 Adaptive Control

Max. Marks: 60 Duration: 3 Hours
(Answer any two full questions from each part)
PART A
Explain the different types of adaptive sch *bélp of block diagram. (9)
(9)

Design a model following Minimum Degree Pole Placement controller for a continuous
time process G(s) = . The sampling period 15 0.5sec.The desired closed loop 8(8-1)
system has natural frequency of I rad/sec and relative damping of 0.7.

i) What are the classifications of self-tuning regulators (5)
ii) Explain the significance of exponential forgetting in least square method. (4)
PART ந
dy
9

‎—ay+bu 5‏ — ے
‎Derive MRAS for a first order system described by the model dt using Lyapunov method‏
‎Design a controller using adaptive feedback linearization for system described by (9)‏
,ت4 = ‎ட்ட‏
‎OF 1) , dt, டட प ,۷ ۲١ € is an unknown parameter and ரீ is a knovm‏ + 2 = &
‎differentiable function‏

‎(5)

‎i) What is adaption gain? How the adaption gain is determined for adjusting feed forward
gain of a plant with transfer function kG(s), where G(s) is known and k is an unknown
parameter?

‎ii) Explain the stabilization of a nonlinear system using back stepping (4)