Shreyas Sudhakar

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This paper deals with the design and development of a System on chip [SoC] based Onboard Computer [OBC] for future onboard space applications of Indian Space Research Organization [ISRO]. The System on Chip approach shall integrate processor core with associated peripherals, other standard cores like MIL-STD-1553B core, application specific low power(More)
Ku band antennae are one of the unique features of GSAT11 spacecraft. As the pointing accuracy of the satellite platform is around 0.1°, improved antenna pointing is achieved using the steerable Deployment Pointing Mechanism (DPM), Radio Frequency (RF) Tracking based measurement system and Attitude and Orbit Control Electronics (AOCE) resident(More)
Delay /Disruption Tolerant Network (DTN) is an emerging architecture for internetworking with regional networks of different characteristics as a single entity. The first part of the paper briefs terrestrial and space applications of DTN, different implementations available, real world projects already deployed, the open problems, and the research(More)
This paper presents a performance assessment of the recently developed receding horizon sliding control (RHSC) algorithm. The RHSC strategy is extended to multi-input multi-output systems and will be evaluated using a model predictive control (MPC) approach as a benchmark. The focus of this investigation is on comparing performance in computational(More)
The Earth Exploration Satellite Services need to support a wide variety of spectral efficiencies and data rates based on channel conditions, such as a function of the elevation angle. For this purpose, Consultative Committee for Space Data Systems (CCSDS) presents the Advanced Coding and Modulation (ACM) 131.2-B-1 standard. The standard employs Serial(More)
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