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Dr Prem Shanker Goel |
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Dr Prem Shanker Goel is presently Chairman, Recruitment & Assessment Centre,
DRDO, Ministry of Defence and Dr. Vikram Sarabhai Distinguished Professor (Hon.)
at ISRO HQ. Before taking over as Secretary, Department of Ocean Development
(now Ministry of Earth Sciences) and Chairman, Earth Commission in 2005, Dr Goel
was the Director, ISRO Satellite Centre, Bangalore. Dr. Goe1 has specialized in
Applied Electronics & Servomechanism, and their application to address problems
of satellites. Dr Goe1 has been very deeply involved with investigations related
to 'Satellite Attitude Control System' - the key element for the progress of
ISRO satellites from the simple spinner (Aryabhata) to Spin Axis Orientation
Control (Bhaskara I & II), all magnetic control systems (Rohini series), 3-Axis
stabilized application satellites (APPLE and SROSS), high stability satellite in
lower earth orbit (IRS), multi-mission geostationary satellite (INSAT-II) and
high resolution imaging Technology Experiments Satellite (TES). Dr Goel received
his Bachelor of Engineering Degree in Electrical Engineering from University of
Jodhpur, Masters of Engineering Degree in Applied Mechanics and Servomechanism
from Indian Institute of Science, Bangalore and received his Doctorate Degree
from Bangalore University.
Dr. Goe1 has evolved the concepts for realization, testing, simulations and
successful operations of doing remote sensing from spinning satellite and
suitably modified the spin-up system of Aryabhata by incorporating spin axis
orientation system in the Bhaskara-I and Bhaskara-II satellites. The close loop
control for spinning satellites was developed by Dr. Goe1 for the first time in
the world, for maintaining spin axis perpendicular to orbital plane, in these
satellites. In addition, he developed the magnetic bias control technique for
compensating the orbit regression, hence, extending the mission life many fold.
Later, he developed magnetic control for spin rate and spin axis orientation for
Rohini satellites. RS-D2 was the first small (40 kg) magnetically controlled
spinning satellite in the world to collect the earth imagery.
Dr. Goe1 developed the challenging 3-axis stabilization technology for the first
time, for APPLE satellite, a major breakthrough for ISRO. A new technique of
momentum dumping and nutation control using magnetic torquer for momentum biased
satellite was invented and imp1emented in APPLE.
He contributed to the 'step-and-stare' concept development for high resolution
imaging, and very significantly contributed to overall technology development
for TES which is a landmark mission bringing 1m resolution capability to the
country. The high power INSAT-4A satellite puts ISRO/India to the very high end
of communication satellite technology. IRS-P6 launched in October 2003 and
Carto-1 launched in 2005 has put ISRO/India in the first ranking nations for
Remote Sensing, much ahead of Japan, Russia and even Europe. The Spacecraft
Recovery Experiment involving re-entry has been a very unique and novel concept
evolved by him. The high resolution and agile spot imaging satellite Carto-2 has
been conceived and developed under Dr. Goel’s guidance.
Dr. Goe1 was the key enabler in making IRS-P3 to look at stars for X-ray
Astronomy by developing quaternion based attitude manoeuvring. He oversaw the
payload definition of first dedicated science mission, the multi-wave length
observatory "Astrosat' of India. He was the key person to evolve the Chandrayaan-I
mission, first as technology enabler, addressing specific issues on mission
planning and lunar gravitational modeling and later in selecting set of
payloads, which has put India in the front position with respect to lunar
sciences.
Dr. Goel’s foray into ocean/atmospheric related aspects began while he chaired
the Committee on Microwave Remote Sensing Program, and prioritized development
of sensors and space segments. Based on this, the Oceansat-I (IRS-P4) was
developed with Ocean Colour Monitor (OCM) and Multispectral Microwave Radiometer
(MSMR) and the applications like coastal monitoring, fishery forecast and sea
surface temperature were operationalized. Later, he pursued the ocean-atmosphere
interaction related issues while finalizing payloads like Radiation Monitor
Scanning Microwave Radiometer in 8 frequencies etc., for Megha-Tropiques,
jointly with CNES.
In addition to Satellite Technology and overall program management, Dr. Goe1 has
been actively involved in Launch Vehicle activity. He was Failure Analysis
Committee Member of ASLV and PSLV, Review Committee Member for Avionics and
Guidance Control System Design and FRR/LAB Member for all the launch vehicles.
Dr. Goel is Chairman, ICG/Indian Ocean Tsunami Warning System, UNESCO/UN;
Member, Scientific Advisory Committee to the Cabinet (SAC-C), New Delhi;
Chairman, Governing Council, NIOT, Chennai; NCAOR, Goa; and INCOIS, Hyderabad;
Chairman, Research Council, NIO, Goa; Chairman, Apex Committee of RV-TIFAC -
Hydrogen Economy Technology Program; and Member, Management Board, National
Centre for Radio Astrophysics, TIFR, Pune.
Dr. Goel is a member of several important scientific Academies, both in India
and abroad. He is presently President, Indian National Academy of Engineering;
President, Association for Advancement of Fault-Tolerant & Autonomous Systems
and Vice President, Aeronautical Society of India, New Delhi. He is a Fellow of
The National Academy of Sciences, Allahabad; Indian Academy of Sciences,
Bangalore; Indian National Science Academy, New Delhi; Institution of Electronic
& Telecommunication Engineers, New Delhi; Astronautical Society of India,
Bangalore and Third World Academy of Sciences. He is Honorary Fellow,
Electrochemical Society of India, Bangalore and Indian Institute of Technology,
Bombay, Mumbai. He is also Member, International Academy of Astronautics, Paris.
Dr. Goel has been conferred with several awards including Padma Shri by the
Government of India; Hari Om Ashram Prerit Vikram Sarabhai Research Award in
System Analysis & Management; Astronautical Society of India Award in the field
of Spacecraft & Related Technologies; VASVIK Research Award for Electrical
Sciences and Technology; Om Prakash Bhasin Award for Space & Aerospace
Technologies; Vigyan Gaurav Samman for advancement of Science & Technology by
the Government of Uttar Pradesh; Ramanujam Award of Systems Society of India; GP
Chatterjee Memorial Award for design and development of satellite technologies
by Indian Science Congress Association; FIE Foundation Award and National
Systems Gold Medal Award.
During his tenure as Secretary, Ministry of Earth Sciences, Govt. of India, he
contributed significantly towards shaping the newly organized Ministry of Earth
Sciences as a scientific body, and bringing about structural changes in the
atmospheric sciences and services including meteorology, Agrometeorology,
support to civil aviation, ocean sciences and technology, ocean resources, and
providing a framework of conducting long term research into the Earth Systems
like coupled systems, long term impact of technology options, precursors for
earthquakes, long term hazards and addressing issues related to long term
sustainable development.