CEC346 Positioning and Navigation Systems Syllabus:
CEC346 Positioning and Navigation Systems Syllabus – Anna University Regulation 2021
COURSE OBJECTIVES
● To explain the fundamentals of navigation systems.
● To understand the inertial navigation systems
● To acquire knowledge on radio navigation.
● To have an overview of global positioning systems
● To learn the hybrid navigation systems.
UNIT I NAVIGATION CONCEPTS
Fundamentals of navigation systems and Position Fixing – Categories of navigation – Geometric concepts of Navigation – The Earth in inertial space – Different Coordinate Systems – Coordinate Transformation – Euler angle formulations – Direction cosine matrices formulation – Quaternion formulation.
UNIT II INERTIAL NAVIGATION SYSTEMS
Inertial sensors – Gyroscopes -Types – Mechanical – Electromechanical-Optical Gyro -Ring Laser gyro- Fiber optic gyro- Accelerometers – Pendulous type – Force Balance type – MEMs – Basic Principles of Inertial Navigation – Types – Platform and Strap down – Mechanization INS system – Rate Corrections – Acceleration errors – Schuler Tuning.
UNIT III RADIO NAVIGATION & AIR TRAFFIC MANAGEMENT
Different types of radio navigation- ADF, VOR, DME, TACAN,VORTAC – Doppler – Hyperbolic Navigations – Air Traffic Management – RADAR Surveillance – Airborne Collision Avoidance Systems
UNIT IV GLOBAL POSITIONING SYSTEM
Overview of GPS: Basic concept, system architecture, , GPS Signals Signal structure, anti-spoofing (AS), selective availability, GPS for position and velocity determination, GPS aided Geo-augmented navigation (GAGAN) architecture -GPS error sources-clock error, ionospheric error, tropospheric error, multipath, ionospheric error estimation using dual frequency GPS receiver
UNIT V HYBRID NAVIGATION & RELATIVE NAVIGATION SYSTEMS
Hybrid Navigation – Introduction to Kalman filtering – Case Studies -Integration of GPS and INS using Kalman Filter – Relative Navigation – fundamentals – Equations of Relative Motion for circular orbits (Clohessy_Wiltshire Equations) – Sensors for Rendezvous Navigation – Relative positioning – Point positioning and differential positioning – Differential GPS (DGPS) and Space based Augmentation system (SBAS)- Concepts – Relative GPS -Formation Flying – Figure of Merit (FOM)
TOTAL: 45 PERIODS
COURSE OUTCOME:
Upon completion of the course, students will be able to
CO1 : Understand the advanced concepts of Positioning and Navigation systems and exposure on various Navigation systems
CO2 : Know about Gyroscopes and accelerometers and Inertial Navigation systems and its types and Mechanisation
CO3 : Explain the different Radio Navigation aids and its usage for civil and military aircrafts and satellites
CO4 : Explain the Satellite Navigation – GPS and its usage in aircraft and spacecraft applications
CO5: Deploy these skills effectively in the analysis and understanding of hybrid navigation systems and Relative navigation in a spacecraft.
TEXT BOOKS:
1. Myron Kyton, Walfred Fried, ‘Avionics Navigation Systems’, John Wiley & Sons, 2nd edition,1997.
2. Nagaraja, N.S. “Elements of Electronic Navigation”, Tata McGraw-Hill Pub. Co., New Delhi, 2nd edition, 1975.
REFERENCES:
1. George M Siouris, ‘Aerospace Avionics System; A Modern Synthesis’, Academic Press Inc., 1993.
2. Albert Helfrick, ‘Practical Aircraft Electronic Systems’, Prentice Hall Education, Career & Technology, 1995.
3. Albert D. Helfrick, ‘Modern Aviation Electronics’, Second Edition, Prentice Hall Career & Technology, 1994.
4. Paul. D. Groves. ‘Principles of GNSS, Inertial, and Multisensor Integrated Navigation Systems’, Artech House, 2013.
5. Maxwell Noton, ”Spacecraft navigation and guidance”, Springer (London, New York), 1998