Satellite & Satellite Subsystems Manufacturing

Transcription

1 Satellite & Satellite Subsystems Manufacturing ISRO Satellite Centre H.R.Nagendra Deputy Director Reliability & Components Area ISRO Satellite Centre

2 Core Competence Modest beginning for technological prowess as index of development Graduated to support national commitments Status of commercial competitiveness Core Competence Robust designs, rigors of processes and established quality compliance measures in realising satellites and satellite platforms Refined through more than four decades of realisation experience of 60+ satellites Production range covering mission needs like Regional Communication Earth Resources Meteorology Navigation Science and Planetary Missions Others University/Micro/Technology Experiment

3 Capabilities Established bus-systems Custom built platform functions Reconfigurable interfaces Streamlined system integration & checkout protocols designed/tailored/executed for required configurations Complete test facilities from unit level to integrated spacecraft all under one roof Total compliance to aerospace standards Continuous design / development efforts in tune with technology & industry demands

4 Track Record Design/development/realisation/successful operationalisation of satellites with National commitments International Joint ventures (EADS Astrium - W2M / HYLAS) Collaborative missions (Megha-tropiques/Chandrayaan/SARAL) Satellite subsystem contracts Realisation / Testing / Product Delivery to customers (Solar Sail-Boom deployment system / Magnetic Torquers / Pressure Transducers / Precision mechanism elements / Reaction wheel assemblies) Mission operation support for domestic / international clients More than 300 satellite-years of reliable in orbit operation

5 Systems / Capabilities

6 Spacecraft Structure Variants PARAMETERS I-1K I-2K I-3K Lift Off Mass (Kg) Payload Mass (Kg) Max Power Gen (W) Life (Yrs) Static & dynamic analysis & validation Fabrication with identified interfaces

7 Spacecraft Thermal Systems Design Analysis for LEO/ GEO/ Planetary mission platforms Thermal fabrication, processes, surface treatment Active/ Passive thermal control elements including requirement specific heat pipes, cryo coolers and radiators End to end validation with thermal balance & thermal vacuum simulations

8 Deployment Mechanisms Precision Assemblies Solar Panel Unfurlable Antenna Antenna Reflector Deployment

9 Power Generation, Conditioning & Distribution Redundant power bus configurations with safety features Large area high efficiency solar panels (upto 8KW) High storage capacity batteries for eclipse support (>300AH) Power transfer assembly High reliability protection complete DC-DC converters Standard power distribution network

10 Avionics Systems Command/Telemetry/Data Handling Custom Built/Adaptive Designs Configurable software & spacecraft autonomy Conventional & MIL-1553 interfaces ISRO & CCSDS formats Security encryptions Data compression, encryption & data storage

11 3-axes body stabilised FDIR Schemes Attitude & Orbit Control Configurable Pointing Options / Platform Steereability State-of-the art /High Accuracy Attitude Sensors (star/sun/earth/inertial) Wide range of actuators (Wheels, Torquers, Chemical &Electric Propulsion) Hardware In-loop Testing

12 Communication Systems S-Band, C-Band, X-Band (TTC & Data transmission ) Realised with customised MMICs, SSPAs, TWTAs Antenna systems with gimballed/ electronic beam steering Compact antenna range-test Link & antenna coverage analysis capabilities

13 System Assurance Hi-Rel EEE Parts/ Materials, customised procurement & screening Fabrication process control Software assurance Coprehensive analysis for reliability requirements Functional/Environmental test & evaluation Mission life assurance

14 Assembly, Integration & Test Four Standard Clean Rooms with capability to assemble 8 to 10 satellites simultaneously Configuration designs/analyses for layouts, interfaces & EMI compliance Design, realisation & validation of ground support equipments Integrated spacecraft performance characterisation with automated checkout facilities Spacecraft handling, transportation & launch base support

15 Manufacturing & Test Facilities

16 Spacecraft Thermovacuum

17 Spacecraft Vibration & Acoustic

18 Hybrid Microcircuits

19 Avionics Production

20 Physical Properties Dynamic Balancing CG Measurement M.I. Measurement

21 RF Shielded Anechoic Chamber

22 Drivers Productionisation for Productionisation of Satellite Systems Indian Industry Involvement Drivers Identified programme priorities for societal applications Higher demand for space based services Paradigm shift from development to operational to commercial needs Thrust for indigenisation of critical technologies through industry Tremendous growth in productivity of GEO/LEO satellites permitted by technology advances emphasis on increased throughput of satellite hardware more than 50% in next decade Technology Need Production Industry Partnership Increased Demand Development Self Sufficiency

23 Productionisation of Satellite Systems Approach Involvement with creative cooperation Identifying technology handlers in related fields Development of vendors for space grade deliverables Capability Assessment End-to End production In-house Facility / Skill Utilisation Resource Management - training and certification Imbibed quality with tight scrutiny by ISRO Phased induction

24 To Sum up Opportunities Turn key solutions for satellite systems Inviting Indian Industry Involvement in production efforts Thanks Proven heritage of satellite systems Flexibility for custombuild High throughput capability Established space quality / state of art production and test facilities Opportunities for hightechnology partnerships / industry support Growing business models More than 300 satelliteyears of reliable in orbit operation