Short Term Course on

Introduction to Navigation Algorithms and Flight Control Law Design for Fixed Wing UAV Platforms

9-13 March 2026

The event will be conducted offline/online for IITK participants and online for all external participants.

Workshop Objective

Workshop Objective

This course will encompass detailed Navigation algorithms and Flight Control law design procedure from practical design perspective. Detailed strapdown navigation algorithms, GNSS/SBAS based navigational techniques including hybrid navigation concepts and terrain reference navigation (TRN) method in GNSS denied environment will be discussed. Practical aspects of designing UAV flight Control law for navigational and during Automated take-off and landing phases will also be presented with practical examples. UAV mission mode design and CLAW certification requirements will also be covered.

Registration

Registration Deadline is 6 March 2026

The registration process for the event will be completed in two simple steps:

Step 1: Pay the applicable registration fee through SBI Collect

Non-IITK Faculty	₹11,800 10,000 + 18% GST
IITK Faculty	₹7,000 GST Not Applicable
Non-IITK Students	₹5,900 5,000 + 18% GST
IITK Students	NIL
Personnel from Industires/ R&D Organizations	₹17,700 15,000 + 18% GST

Step 2: Fill out the Google Form with your details after completing the payment.

Course Details

Payment Instructions:	https://www.iitk.ac.in/oa/sbi-collect/
Payment Link:	https://www.onlinesbi.sbi/sbicollect/icollecthome.htm
Event Code:	101
Event Title:	Introduction to Navigation Algorithms and Flight Control Law Design
Event Duration:	09.03.2026 to 13.03.2026

Schedule

Day 1: 09.03.2026

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Time	Track	Name of the Lecture	Content
9:15am -10:30am	Navigation Track-1: Navigation Algorithms	Principles of Inertial Navigation	Introduction to UAV Navigation system concept Inertial navigation: Platform (PINS) and strapdown navigation (SDINS) Reference Frames of Navigational computations Basics of attitude representations Euler angle, DCM, Quaternion algebra Error free Strapdown computations SDINS equations Strapdown error state computations ( in presence of IMU misalignment, Accelerometer Bias)
11:30 – 12:30	Navigation Track-2: SDINS Vertical channel mechanisations	IMU (SDINS) vertical channel computations	IMU vertical channel acceleration computations Schuler loop and Baro altimeter measurement fusion with SDINS vertical acceleration PID controller-based 2^nd Order and 3^rd Order Baro-Inertial loop Kalman Filter based measurement fusion
14:15 – 15:15	Navigation Track-3: SDINS Horizontal channel mechanizations	IMU (SDINS) horizontal channel (North-East channels) computations	SDINS horizontal channel computations Control theoretic approach to strapdown navigation Eigen values and Observability criterion SDINS computational flowchart
16:00 – 17:00	Navigation Track- 4: Inertial System (SDINS) Alignment	IMU Alignment methods	IMU alignment methods Stationary Gyrocompass alignment procedure Coarse alignment and fine alignment Transfer alignment from moving platforms
17:00 – 17:15	Summary & QA

Day 2: 10.03.2026

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Time	Track	Name of the Lecture	Content
9:15am -10:30am	Navigation Track-5: Introduction to GNSS navigation	Principles of GNSS Navigation	Introduction to GNSS navigational concept Satellite constellations – GPS, Galileo, GLONASS, Compass, IRNSS IMU vs GPS navigations - Pros and Cons Spacecraft Orbital parameters and Orbital position determination procedure GPS Measurement errors in space, Control and User segments
11:30 – 12:30	Navigation Track-6: GPS navigational information Processing	Receiver position Computations	GPS signal processing – code- phase and carrier- phase techniques Least square based GPS position estimation Linearized Kalman filter/ Error State KF mechanisation GPS Positioning – Standard positioning (SPS) and Differential GPS (DGPS)
14:00 – 15:00	Navigation Track-7: Satellite Augmentation (WAAS/SBAS)	Introduction to SBAS	Standard Satellite augmentation systems – SBAS, EGNOS, MSAS, IRNSS. Principles of Operations for WAAS systems Introduction to GPS Jamming and spoofing Receiver’s autonomous integrity monitoring (RAIM) techniques
15:30 – 16:30	Navigation Track -8: GPS-IMU Fusion	GPS – IMU fusion	Complementary filtering concept Loosely coupled GPS-IMU configurations Tightly coupled configurations
17:00 – 17:15	Summary and Q&A

Day 3: 11.03.2026

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Time	Track	Name of the Lecture	Content
9:15am -10:30am	Navigation Track-9: Introduction to Terrain / Ground referenced Navigation	Principles of Terrain reference Navigation (TRN)	Introduction to visual odometrical concept Image registration concepts details Terrain referencing Algorithm Fusion of IMU, Baro/ Radar altimeter and TRN. TERPROM System configuration basics
11:30 – 12:45	CLAW Track-1: UAV Flight Control law (CLAW) development Basics	UAV CLAW development Basics	Development Procedure for UAV Flight Control (CLAW) Aircraft Models (6-dof) - linear vs nonlinear model performance comparisons (with Examples), trim calculations, performance analysis Loop delay computations – Actuator, Sensor, Harness and computational delays
14:30 – 15:30	CLAW Track-2: Fault tolerant Longitudinal Controller development Part-1	Longitudinal CLAW Design Part 1	Autopilot design using successive loop closure concepts Open loop Root locus analysis of UAV Short period and Phugoid modes Stability Augmentation system for longitudinal control (pitch SAS) design (Pitch rate-AoA scheme, AoA-AoA_dot scheme, RCAH scheme) Longitudinal CLAW design philosophy (Airspeed to pitch control & altitude to throttle control during climb & decent phase) Inner loop and Outer loop design using classical control system methods – root locus, Bode and Nichol's plot Example and design procedure
16:15 – 17:00	CLAW Track - 3: Fault tolerant Longitudinal CLAW design – Part 2	Longitudinal CLAW Design Part 2	Longitudinal CLAW design philosophy during cruise (altitude to pitch control & IAS to throttle control) during cruise phase) Inner loop and Outer loop design using classical control system methods – root locus, Bode and Nichol’s plot with example INSU and Air data system failure identifications for Longitudinal CLAW & Fault tolerant Longitudinal CLAW design
17:00 – 17:15	Summary and Q&A

Day 4: 12.03.2026

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Time	Track	Name of the Lecture	Content
9:15am -10:30am	CLAW Track-4: Fault tolerant Lateral – directional CLAW – Part 1	Lateral-Directional CLAW Design – Part 1	Lateral-directional controller design using successive loop closure methods Root locus analysis of Dutch roll and roll subsidence mode Inner loop for Lateral/dihedral controller (heading to roll and roll rate to alerion controller) design using standard control analysis tools (root locus, Bode and Nichols) for specific trim point Yaw damper vs steady turn problem in directional control and solutions – Derivative washout filter design (with practical examples) Design for side slip (Beta) cancellation loop for Directional CLAW (with practical examples)
11:30 – 12:30	CLAW Track-5: Fault tolerant Lateral – directional CLAW – Part 2	UAV Lateral-Directional development – Part 2	Gain Scheduling concept for CLAW design across flight envelop INSU and Air data system failure identifications for lateral-directional CLAW & Fault tolerant CLAW design.
14:30 – 15:45	CLAW Track-6: CLAW for UAV take-off and landing (ATOL)	UAV ATOL phases	UAV taxi and auto take-off controller sequencing RTK GNSS based, Camera Marker based auto taxi, heading and IAS to throttle control during auto taxi Sequence for Automated landing – approach-navigation glideslope, flare and touchdown. Importance of AGL/AMSL altitude sensing during ATOL. Four Control loops during automated landing
16:30 – 17:00	Summary and Q&A

Day 5: 13.03.2026

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Time	Track	Name of the Lecture	Content
9:30am -10:45am	CLAW Track-7: UAV Modes	UAV Flight management system Modes	UAV CLAW and FMS modes for different UAV missions such as, surveillance and reconnaissance missions and Attack/Kamikaze missions
11:45 – 13:00	CLAW Track-8: CLAW V&V and Certification	CLAW Verification and Validation including Certification aspects	CLAW verification and validation stages Certification requirements
15:00 – 16:30	Summary, general discussion and Q&A session
16:30 – 16:45	Conclusion

Event Coordinator

Coordinator

Prof. Anirban Roy

Wadhwani School of AI & Intelligent Systems

Contact

For queries related to the event, please contact the organizing team.

Contact number: 0512-679-6636
Email: anirbanr@iitk.ac.in

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