Categories: 8th Semester

GTU BE 8th Semester 2180104 Aircraft Control and Navigation(Department Elective III) Summer 2018 Question Paper

1
Seat No.: ________ Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE – SEMESTER ?VIII (NEW) – EXAMINATION ? SUMMER 2018
Subject Code: 2180104 Date: 02/05/2018
Subject Name: Aircraft Control and Navigation(Department Elective III)
Time: 10:30 AM to 01:00 PM Total Marks: 70
Instructions:
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.

MARKS
Q.1 (a) Write a short note on Inertial cross coupling. 03
(b) Explain Displacement autopilot with block diagram. 04
(c) Derive an Equation of Angular motion of an Aircraft. 07

Q.2 (a) Write Short note on Dutch roll. 03
(b) Explain Basic 3-axis Autopilot system in with suitable diagram. 04
(c) Explain Altitude and Mach hold Control system with suitable
block diagram.
07
OR
(c) Explain Transient Response of an Aircraft. 07
Q.3 (a) Write a Short note on surveillance. 03
(b) Explain Dead Reckoning in brief. 04
(c) Explain ILS/MLS coupled autopilot system in brief. 07
OR
Q.3 (a) Explain Duplex Control System with block diagram. 03
(b) Explain the assumptions which are made to derive an equation of
motion of Aircraft.
04
(c) Explain Yaw Orientation Control system with suitable block
diagram.
07
Q.4 (a) Write a short note on Celestial navigation system. 03
(b) Explain Inner loop and outer loop control system with block
diagram.
04
(c) Derive Linear equation of motion for Aircraft. 07
OR
Q.4 (a) Explain effect of high roll rate on aircraft?s stability. 03
(b) Explain Lateral Autopilot system with suitable block diagram. 04
Q.5 (a) Write a short note on Glide Slope Coupler. 03
(b) Derive equation for Turn Compensation with suitable sketch. 04
OR
Q.5 (a) Explain why control and Navigation systems are necessary for
aircraft.
03
(b) Explain Acceleration Control System with block diagram. 04
(c) Explain Euler angle system to establish relations between Inertial
and Body reference.
07

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