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

Current Activities & Future PlansCurrent Activities & Future Plans

Presentation to the MC of CASDEPresentation to the MC of CASDE

May 28, 2003May 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&ERevised 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 2002-2003MAV Related Activities: Aero. CharacterizationMAV Related Activities: Aero. Characterization

• Low Reynolds Number Analysis

• Xfoil 6.94 Used for CL vs. and CL vs. Cd

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

• Post-stall Using Nonlinear Lifting Line Theory

• VLM for Stability and Control Derivatives

Activities During 2002-2003MAV Related Activities: Engine CharacterizationMAV Related Activities: Engine Characterization

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

Activities During 2002-2003MAV Related Activities: Engine CharacterizationMAV Related Activities: Engine Characterization

Activities During 2002-2003

MAV Related Activities: Autonomous Path PlanningMAV 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 2002-2003MAV Related Activities: Hardware-in-Loop SimulatorMAV Related Activities: Hardware-in-Loop Simulator• Control Strategy Verification • Effects of Quantization and Actuator Dynamics

Activities During 2002-2003MAV Related Activities: Hardware-in-Loop SimulatorMAV 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 ActivitiesSimulation 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 OptimizationMDO: Flexible Aircraft Wing Optimization• WingOpt Software Augmented and Used

Activities During 2002-2003

MDO: Flexible Aircraft Wing OptimizationMDO: Flexible Aircraft Wing Optimization• NASTRAN Interfaced as Analysis Module

Activities During 2002-2003

MDO: Flexible Aircraft Wing OptimizationMDO: Flexible Aircraft Wing Optimization• Structural Sizing Optimization

Activities During 2002-2003

MDO: 3D Duct Design Using RSM/DOEMDO: 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-RSMAMDO: 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 SearchMDO: Literature Search

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

Activities During 2002-2003

MDO: Optimum Propulsion System SizingMDO: 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 DevelopmentMDO: 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 2002-2003MDO: Framework Version 2.0 DevelopmentMDO: Framework Version 2.0 Development

Database

Configuration Server

ExecutionManager

MDOController

NameServer

DataServer

OPT1

OptimizerManager

OPT2 OPT3

AM1

AnalysisManager

AM2 AM3

GraphicalUser Interface

Control

Data

MDO Framework Architecture

Activities During 2002-2003

Workshops, Courses, Meetings etc.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

PublicationsPublications

• 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 2002-2003Expenditure Statement for 2002-2003Expenditure Statement for 2002-2003

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

Activities During 2002-2003

Faculty & Staff of CASDEFaculty & 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 SDEEducational 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 DevelopmentHILS 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 ActivitiesMAV 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 StudiesMDO Studies• Interfacing of WingOpt with ANSYS• Studies on Surrogate Modelling, DACE & RSM• Upgradation of “Engine” Software Module• 3D Duct Design Optimization

MDO Framework Version 2.0MDO 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 ActivitiesFlying Platform Activities• Mission Related Information by Flying KADET• GPS Sensor Characterization• Sensor Fusion and Package Design• Multi-Axis Rate Measurement

Workshop, Seminars, MeetingsWorkshop, 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 ‘04Expenditure Plan for 2003-2004Expenditure 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