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Aircraft Stability And Control

By Prof. A.K. Ghosh   |   IIT Kanpur
Learners enrolled: 2802

This course is designed to understand stability and control aspects of an airplane. This course will also help in creating a background to design an airplane from stability and control aspects.


Industries Support: NAL Bangalore, ARDE Pune, ADE Bangalore, ADA Bangalore

Intended Audience:
Core course for UG students

Summary
Course Status : Completed
Course Type : Core
Duration : 12 weeks
Start Date : 29 Jul 2019
End Date : 18 Oct 2019
Exam Date : 17 Nov 2019
Category :
  • Aerospace Engineering
Level : Undergraduate



Course layout

Week 1: Overview of aerodynamics and atmosphere, Wing stall and maximum lift coefficient,Wing aerodynamic center & pitching moment, Introduction to static and dynamic stability. 

Week 2: Introduction to static and dynamic stability, Wing contribution, Tail contribution, Canard and fuselage contribution.     

Week 3: Power plant contribution & its effect on NP, Stick fixed neutral point, Static margin, Stick fixed : maneuvering point.   

Week 4: Elevator effectiveness, Elevator angle of trim, Flight measurement of Xnp, Elevator hinge moment, Stick forces (trim tab & stick force gradient),     

Week 5: Stick free neutral point, Stick free : maneuvering point, Roll stability and roll control, Yaw stability and yaw control.     

Week 6: Newton’s second law of rigid dynamics, Axes system and relevant transforms, Angular motion equations.     

Week 7: Aerodynamic forces, Gravitational and thrust forces, Linearized equations of motion, 

Week 8: Force and moment derivatives, Force and moment derivatives, Contribution of aircraft components to aerodynamic derivatives, Linear model.     

Week 9: Short period approximation,Long period approximation, Pure pitching motion, Flying and handling qualities.     

Week 10: Linearized lateral dynamics.Lateral motion :Linearized coupled motion, Roll approximation, Spiral approximation.     

Week 11: Dutch roll approximation. Pure rolling. Pure yawing, Inertia coupling.     

Week 12: Stability augmentation system: Longitudinal, Stability augmentation system: Lateral.     


Books and references

Nil

Instructor bio



Prof. A.K. Ghosh
 is a faculty of Aerospace Engg. Department of IIT Kanpur. He is also the in-charge of the flight laboratory and unmanned aerial vehicle of IIT Kanpur. His research areas include system identification through flight tests using conventional and neural network based methods, design of aircrafts and airborne projectiles, supercavitation, unmanned aerial systems. Before joining IIT Kanpur, he worked as a scientist with Defense Research Development Organization (DRDO). He has published many peer reviewed journal papers and conference papers, guided 13 doctoral students, and 38 masters students. He is also a mentor of multiple aerospace start-up companies, and also been associated with major industry contributions of high speed low drag aircraft bomb, Pinaka Mk-I, 105mm sabot round for tracked vehicles, etc.



Course certificate

  • The course is free to enroll and learn from. But if you want a certificate, you have to register and write the proctored exam conducted by us in person at any of the designated exam centres.
  • The exam is optional for a fee of Rs 1000/- (Rupees one thousand only).
  • Date and Time of Exams: 17 November 2019, session 9am to 12 noon; Afternoon Session 2pm to 5pm.
  • Registration url: Announcements will be made when the registration form is open for registrations.
  • The online registration form has to be filled and the certification exam fee needs to be paid. More details will be made available when the exam registration form is published. If there are any changes, it will be mentioned then.
  • Please check the form for more details on the cities where the exams will be held, the conditions you agree to when you fill the form etc.

CRITERIA TO GET A CERTIFICATE
  • Average assignment score = 25% of average of best 8 assignments out of the total 12 assignments given in the course.
  • Exam score = 75% of the proctored certification exam score out of 100
  • Final score = Average assignment score + Exam score

YOU WILL BE ELIGIBLE FOR A CERTIFICATE ONLY IF AVERAGE ASSIGNMENT SCORE >=10/25 AND EXAM SCORE >= 30/75
  • If one of the 2 criteria is not met, you will not get the certificate even if the Final score >= 40/100.
  • Certificate will have your name, photograph and the score in the final exam with the breakup.It will have the logos of NPTEL and IIT Kanpur. It will be e-verifiable at nptel.ac.in/noc.
  • Only the e-certificate will be made available. Hard copies are being discontinued from July 2019 semester and will not be dispatched


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