Roshan Sah
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View article: Development of On-Ground Hardware In Loop Simulation Facility for Space Robotics
Development of On-Ground Hardware In Loop Simulation Facility for Space Robotics Open
Over a couple of decades, space junk has increased rapidly, which has caused significant threats to the LEO operation satellites. An Active Debris Removal $(ADR)$ concept continuously evolves for space junk removal. One of the ADR methods …
View article: Design of Chemical Propellant Thruster to Deorbit Nano satellite: StudSat II
Design of Chemical Propellant Thruster to Deorbit Nano satellite: StudSat II Open
An increase in satellite application has skyrocketed the number of satellites, especially in the low earth orbit (LEO). The major concern today is that these satellites become debris after the end of life, negatively affecting the space en…
View article: Design and Analysis of Cold Gas Thruster to De-Orbit the PSLV Debris
Design and Analysis of Cold Gas Thruster to De-Orbit the PSLV Debris Open
Todayś world of spaceś primary concern is the uncontrolled growth of space debris and its probability of collision with spacecraft, particularly in the low earth orbit (LEO) regions. This paper is aimed to design an optimized micro-propuls…
View article: Energy Efficient Routing For Underwater Acoustic Sensor Network Using Genetic Algorithm
Energy Efficient Routing For Underwater Acoustic Sensor Network Using Genetic Algorithm Open
In underwater acoustic sensor networks (UWASN), energy-reliable data transmission is a challenging task. This is due to acoustic transmission disturbances caused by excessive noise, exceptionally long propagation delays, a high bit error r…
View article: Design of Low Thrust Controlled Maneuvers to Chase and De-orbit the Space Debris
Design of Low Thrust Controlled Maneuvers to Chase and De-orbit the Space Debris Open
Over the several decades, the space debris at LEO has grown rapidly which had caused a serious threat to the operating satellite in an orbit. To avoid the risk of collision and protect the LEO environment, the space robotics ADR concept ha…
View article: Nonlinear Model Predictive Control of Rotation Floating Space Robots for Autonomous Active Debris Removal
Nonlinear Model Predictive Control of Rotation Floating Space Robots for Autonomous Active Debris Removal Open
Active Debris removal using robotic manipulators onboard satellites is a promising way of cleaning up the space junk. However, complexities and non-linearities associated with the control of such coupled space-based systems present difficu…
View article: Design of the Propulsion System of Nano satellite: StudSat2
Design of the Propulsion System of Nano satellite: StudSat2 Open
The increase in the application of the satellite has skyrocketed the number of satellites, especially in the low earth orbit. The major concern today is after the end of life, these satellites become debris which negatively affects the spa…
View article: Attitude and In-orbit Residual Magnetic Moment Estimation of Small Satellites Using only Magnetometer
Attitude and In-orbit Residual Magnetic Moment Estimation of Small Satellites Using only Magnetometer Open
Attitude estimation or determination is a fundamental task for satellites to remain effectively operational. This task is furthermore complicated on small satellites by the limited space and computational power available on-board. This, co…
View article: Constellation Design of Remote Sensing Small Satellite for Infrastructure Monitoring in India
Constellation Design of Remote Sensing Small Satellite for Infrastructure Monitoring in India Open
A constellation of remote sensing small satellite system has been developed for infrastructure monitoring in India by using SAR Payload. The LEO constellation of the small satellites is designed in a way, which can cover the entire footpri…
View article: Approach to Meniscal Tear by Clinical Examination and Its Management: A Review
Approach to Meniscal Tear by Clinical Examination and Its Management: A Review Open
It's quite difficult to diagnose the meniscus tear by clinical examination even the experienced orthopaedic surgeon, so this review has shortly focused on clinical examination and its treatment. How to overcome missed diagnosis of meniscus…