Jawaharlal Nehru Technological University Anantapur 2010-1st Sem B.Tech Code :R7411306 3 IV ester(R07)Regular s, ember/ember ROBOTICS

Code :R7411306 3
IV B.Tech I Semester(R07)Regular Examinations, November/December 2010
ROBOTICS & AUTOMATION
(Electronics & Control Engineering)
Time: three hours Max Marks: 80
ans any 5 ques.
All ques. carry equal marks
1. (a) De¯ne a robot. Is robotics automation? explain the different kinds of joints used in robots.
(b) explain the different generations of robots. Sketch and discuss the typical con¯guration and degrees
of wrist assembly.
2. (a) elaborate the basic components of a robotic system? discuss the functions of every of the components
with a neat sketch.
(b) What is meant by dynamic stabilization of robot? explain brie°y.
3. (a) elaborate the advantages of hydraulic actuator systems over electrical motors? Sketch and discuss
a pneumatic power drive used for robots.
(b) elaborate the functions of sensors? How do you sense the positional accuracy of a robot ? define
the suitable kind of sensor used to measure the position.
4. Sketch and discuss the subsequent kind of sensors used in the robots
(a) Laser sensors and
(b) Magnetic sensors.
5. discuss different force control methods in robot manipulators.
6. (a) explain the di®erent inputs to an inverse kinematics algorithm? discuss the solution of a simple
inverse kinematic algorithm.
(b) What is homogenous transformation of coordinates? Write the homogenous transformation matrix
for translation in 3D.
7. (a) What is robot software? explain the software elements of robot and di®erent teaching methods of
robot.
(b) List the advantages and disadvantages of o®-line programming. discuss the di®erent robot all
layouts.
8. (a) elaborate the desirable features of a robot for successful machine tool load/unload application?
(b) define the applications of a robot in press working operation?

Earning:   Approval pending.