Centre for Aerospace Systems Design & Engineering (CASDE), IIT Bombay

Current Activities & Future Plans Presentation to the MC of CASDE May 28, 2003

Introduction to CASDE CASDE Mission is to develop and retain strong links with Indian Aerospace Industry and engage in R&D activities with worldwide visibility.

• August 1998 – –

CASDE Project Sanctioned by AR&DB Approval of BOG, IIT Bombay for setting up CASDE

• March 2003 –

Formal Completion of Phase-I

CASDE has entered its fifth year of operation.

CASDE Objectives for 2002-2003

• • • • • • • Revision of Syllabus for Systems Engineering Consolidation of Design, Build & Fly Activity Upgradation of Laboratory Infrastructure Preliminary Studies on Autonomous Navigation MDO Framework Development to Version 2.0

MDO Studies with NASTRAN & STAR CD Targeted Studies for OILS/AILS for MAV

Activities During 2002-2003 Revised Specialization in SD&E

• Programme of Two-year Duration • Core-5; Electives-4; Labs.-3, Seminars-2 • New Courses on Applied Mechatronics & MDO • Newly Introduced Institute Elective • Main Project of 14 Months Duration • Augmented List of Electives • Eligibility Expanded to Include Fresh Non-Aero.

• Course Contents of a Few Courses also Revised

Activities During 2002-2003 MAV Related Activities: Aero. Characterization

• Low Reynolds Number Analysis • Xfoil 6.94 Used for C L vs.  and C L vs. C d

Activities During 2002-2003 MAV Related Activities: Aero. Characterization

• Post-stall Using Nonlinear Lifting Line Theory • VLM for Stability and Control Derivatives

Activities During 2002-2003 MAV Related Activities: Engine Characterization

• Low Speed Wind Tunnel Testing • Force Measurement of the Order of Few Grams

Activities During 2002-2003 MAV Related Activities: Engine Characterization

Activities During 2002-2003 MAV Related Activities: Autonomous Path Planning

• Optimum Open Loop Path Planning Studies • Desired Path Through Minimum Radii Circles • Aerodynamic/Propulsion Data Used • Scheme not Very Robust without Feedback

Activities During 2002-2003 MAV Related Activities: Hardware-in-Loop Simulator

• Control Strategy Verification • Effects of Quantization and Actuator Dynamics

Activities During 2002-2003 MAV Related Activities: Hardware-in-Loop Simulator

• Sensor Software Models on PC • Simulation with Synthetic A/C Data & Available Control Law

Activities During 2002-2003 Simulation Related Activities

• Aircraft Departure Identification – Study at Higher Input Levels – Simulation of Nonlinear Flight Dynamics – Multi-modal Genetic Algorithm for Identifying Departures • Aircraft Brake System Modelling – MATLAB Software for Simulating Brake Dynamics – Evaluation/Fine-tuning of Anti-skid Controller – Tyre-Runway Interface and Longitudinal Dynamics Used

Activities During 2002-2003 MDO: Flexible Aircraft Wing Optimization

• WingOpt Software Augmented and Used

Activities During 2002-2003 MDO: Flexible Aircraft Wing Optimization

• NASTRAN Interfaced as Analysis Module

Activities During 2002-2003 MDO: Flexible Aircraft Wing Optimization

• Structural Sizing Optimization

Activities During 2002-2003 MDO: 3D Duct Design Using RSM/DOE

• 3D Shape Optimization for Distortion & Loss • Parametric Definition of S-shaped Duct • CFD Modelling in FLUENT in Progress • ADA involved as Remote Partners in Optimization

Activities During 2002-2003 MDO: Wing Aerodynamic Design Using MP-RSMA

• RSM is Basically a Local Model • Multi-point RSM to Get a Global Model • Low Fidelity Analysis Usually Adequate

Activities During 2002-2003 MDO: Literature Search

• Robust Optimization • Trajectory Optimization • Pattern Search Methods • Design & Analysis of Computer Experiments

Activities During 2002-2003 MDO: Optimum Propulsion System Sizing

• Response Surface Surrogates as Alternative to RSM • Use of Approximate Analyses to Generates RSS • Application to Propulsion System Optimization • Effectiveness of DOE Methods for Design Points • Many Design Philosophies Compared

Activities During 2002-2003 MDO: Framework Version 2.0 Development

• Version 1.0 Released in May 2002 • Version 1.0 Evolved the Data Server Concept • Version 2.0 has Following Additional Features – Name Server – Analysis Manager – Optimizer Manager – Execution Manager – Configuration Manager – GUI for all the Functions • Version 2.0 to be Ready by December 2003

Activities During 2002-2003 MDO: Framework Version 2.0 Development

Graphical User Interface

OPT1 Optimizer Manager OPT2 OPT3

Configuration Server Database Control Data

MDO Controller Data Server Execution Manager Name Server AM1 AM2 Analysis Manager AM3

MDO Framework Architecture

Activities During 2002-2003 Workshops, Courses, Meetings etc.

• 2 Workshops, 1 Each on MAV & MDO • 5 Review Meetings Including JPC/SPC, ARDB, SIG MDO, Co-Chairman Reviews • 5 Invited Lectures by CASDE Faculty at NIAS, DRDL, Aero. India, Round Table on SE, ADE • 1 CEP on Applied Mechatronics at ARDE • 4 Distinguished Visitors to CASDE for Various Activities e.g. Seminar, Modelling/MDO Related etc.

• 4 Other Activities e.g. A Session in Int. Conf., Telecon. With P&W, Vaimaniki Diwas & RAP Flight Measurements at ADRDE Agra.

Activities During 2002-2003 Publications

• 3 Papers in International Conferences • 5 Papers in National Conferences • 1 Paper in National Journal • 2 Ph. D. Seminars • 4 M. Tech. Dissertations • 1 B. Tech. Project

Activities During 2002-2003 Expenditure Statement for 2002-2003

• Infrastructure & Salary, Major Components • Unspent Balance 35.27 L. Reallocation Requested

Activities During 2002-2003 Faculty & Staff of CASDE

• Investigators: A.Joshi, P.M. Mujumdar, K. Sudhakar • Associated Faculty: S.K. Sane, A.G. Marathe, K.K. Issac, S.P. Bhat, P.S. Gandhi, H. Arya • Project Staff: Amitay Issacs, Abhinay Masurekar, Sapna Babu, Vipin Verghese, Santosh Abhyankar, Amy • Office Staff: Ajita Jadhav, Josephine Pamela, Sanjay Mohite, Supriya Khatu

Proposed Plan Until March ’04 Educational Programme in SDE

• Support to Theory & Laboratory Courses • 2 M. Tech. Students for 2 Year Period • 1 Dual Degree Student for 14 Months

HILS Phase-II Development

• Interfacing of Sensor Hardware • Additional Control Architectures • Autonomous Mission Evolution • Real-time Simulation of Flight on Ground

Proposed Plan Until March ’04 MAV Activities

• Requirement Capture/Aero. Data for KADET • Definition of Waypoint & Closed Loop Path Planning • Evolution of Simple Autonomous Missions • Interfacing of Sensor with Micro-controller • Wind Tunnel Testing of Components • Systematic Design and Fabrication of 2 Feet Aircraft • Limited Flight Trials of Autonomous MAV

Proposed Plan Until March ’04 MDO Studies

• Interfacing of WingOpt with ANSYS • Studies on Surrogate Modelling, DACE & RSM • Upgradation of “Engine” Software Module • 3D Duct Design Optimization

MDO Framework Version 2.0

• Functional Completion of Analysis, Optimizer, Execution & Configuration Managers • Completion of GUI for Data Dictionary, Wrapping & Problem Formulation

Proposed Plan Until March ’04 Flying Platform Activities

• Mission Related Information by Flying KADET • GPS Sensor Characterization • Sensor Fusion and Package Design • Multi-Axis Rate Measurement

Workshop, Seminars, Meetings

• International Conference on MSO-DMES • Special Lectures in Short Term Course by NIAS • CEP in Mechatronics; MCA, SPC, JPC Meetings

Proposed Plan Until March ‘04 Expenditure Plan for 2003-2004

• Salary Major Component • Authorization Requested to Exceed Expenditure by 10-15%

CASDE Plan Beyond March 2004 CASDE completes 5.5 years on March 2004.

• A proposal for continuing CASDE submitted • ARDB Support Needed for at least 2-3 More Years for; – SDE Educational Programme – MDO Framework Development – Generic MDO Studies – System Design & Integration Studies – Autonomous MAV Through SE Practices