Pico_nano_micro satellites_Siddhant_Honnalli
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The document discusses pico, nano, and micro satellites, noting their size has decreased significantly over time from the size of a bus to as small as a postcard. It provides an overview of the basic components of satellites including communication systems, power systems, on-board computers, and payloads. The document also notes that smaller satellites are advantageous as they are cheaper to design and launch compared to conventional satellites.
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Nano-satellites are small satellites with a mass between 1-10 kg that are used to reduce the cost of satellite launches. They can be spin-stabilized to maximize solar power or use 3-axis stabilization. Key technologies for nano-satellites include miniaturized propulsion, guidance and sensors, low-power electronics, thermal management, and communication systems. Nano-satellites are designed to be autonomous and conduct in-situ measurements to minimize operational costs when deployed in large constellations.
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But India needs 991TWh of electricity.
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1) Tether Unlimited is developing technologies like electrodynamic tethers and momentum exchange to provide propellantless propulsion beyond low Earth orbit using tether boost facilities.
2) Facilities would use tethers up to 100km long to boost payloads from LEO to destinations like the Moon and Mars in rapid transfer times of 5 days and 90 days respectively.
3) An incremental development path is proposed starting with demonstrating technologies on suborbital and LEO missions before building operational tether boost facilities to GEO, the Moon, and Mars.
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1) Maglev trains use magnetic levitation to suspend the train above the track without physical contact, reducing friction and improving efficiency.
2) Maglev trains offer benefits over traditional trains such as higher speeds, lower energy consumption, reduced emissions, and lower maintenance costs.
3) The document outlines the basic principles and components of Maglev train systems including levitation, guidance, and propulsion using electromagnetic forces and linear motors.
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But India needs 991TWh of electricity.
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No more Global Warming.
Safer driving conditions.
Far less pollution.
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No more dependency on foreign oil.
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Maglev train
Maglev trains use magnets to levitate above tracks without touching the surface. They are among the fastest modes of transportation, with speeds over 300 mph achieved in tests. While maglev trains provide advantages of high speed, low maintenance and environmental friendliness compared to conventional trains, their development has faced challenges of very high costs to build the necessary infrastructure and maintain the strong magnetic fields required.
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This document is a project report for a solar tracker system developed by six students. It includes:
1) An introduction describing solar energy potential in India and motivation for the project.
2) Details of the solar tracker system components including a light sensor, motor driver, comparator, battery, and DC motor.
3) A circuit diagram and description of how the solar tracker functions to keep the solar panel oriented towards the sun using feedback from the light sensor.
4) Acknowledgements and future work sections noting the guidance received and potential to improve the system with a real-time clock.
In summary, the document presents a student project to develop a single-axis solar tracker using various electrical components
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Maglev - (bullet train)
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This document discusses single axis solar tracking systems. It begins with an introduction that outlines the increasing demand for renewable energy and potential of solar energy. It then describes the concept of a single axis solar tracking system which uses a tilted solar panel mount and motor to move the panel relative to the sun's position. The document goes on to describe different types of single axis trackers and discuss sun-earth angles and how they vary throughout the year. It also includes calculations of incidence angles for different periods in Warangal, India. Finally, it discusses the future of solar tracking and double axis tracking systems.
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thanking you and slideshare.com
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This document discusses wireless power transmission via a solar powered satellite. It proposes collecting solar energy in space using satellites and transmitting it to Earth via microwave beams. Some key points made include: Wireless power could allow generating solar power in space and transmitting it to Earth without transmission losses; several engineering challenges remain but the concept is being actively researched; the idea was first proposed over 100 years ago but development increased in the 1960s and 1970s with demonstrations of wireless power for vehicles.
This is not your father's satellite - Intelsat
Intelsat has been providing satellite communications services since 1965, beginning with the launch of the first commercial communications satellite, Early Bird. Over the decades, Intelsat's network has grown to deliver broadband services globally to ships, planes and vehicles. Modern satellites have significantly more capacity and throughput than early models due to frequency reuse, concentrated power, digital payloads and smaller antennas. Intelsat is launching new high-throughput satellites like the OneWeb constellation and its own EpicNG satellites to continue expanding coverage and meeting customers' connectivity needs around the world.
new punit wireless
This project report summarizes a student's work on a solar-based wireless power transmission system. The student conducted their project at CSIR-Central Electronics Engineering Research Institute under the supervision of Mr. Rajendra Verma. The report provides background on the institute and describes the components of a satellite-based solar power system that includes solar panels, a magnetron to generate microwaves, transmitting and receiving antennas. It discusses using such a system to transmit power from space as a renewable energy source and summarizes the student's experimental results and conclusions.
Iaetsd rf controlled sailing robot for oceanic missions
This document discusses a proposed sailing robot that can be controlled remotely using RF wireless communication. The robot would use sensors like depth sensors, obstacle sensors, and metal detectors to perform tasks like measuring ocean depths and locating sunken ships. It would also use a GPS module for navigation and tracking and a camera to send video back to the controller. The robot's movements would be controlled from a laptop using an RF module, and sensor data would also be transmitted back to the laptop. The goal is to develop a robot that can perform dangerous oceanic missions without risking human lives onboard.
Optical Inter-Satellite Links for CubeSat Satellites
The materials belong to the article in Journal of Radioelectronics (https://www.researchgate.net/publication/325756066_OPTICAL_INTER-SATELLITE_LINK_IN_COMPARISON_WITH_RF_CASE_IN_CUBESAT_SYSTEM) and were presented in the II SCIENTIFIC FORUM OF TELECOMMUNICATIONS: THEORY AND TECHNOLOGY TTT-2017 (Kazan, November 20 - 24, 2017).
Satellite communication
Communication satellites orbit Earth and are used to transmit radio, television and other signals. The first artificial satellite was Sputnik 1, launched in 1957. There are different types of satellites including active satellites that amplify and retransmit signals, addressing disadvantages of early passive satellites. Geostationary satellites orbit at the same rate as Earth's rotation, allowing ground antennas to remain fixed. Other orbits include medium Earth orbit and low Earth orbit. VSAT systems use small ground terminals to communicate via satellite. GPS uses a constellation of satellites to provide location services worldwide.
Solar Power Satellite
This document summarizes a seminar presented by Priyanka Jain on wireless power transmission via solar power satellites. It provides an overview of the history of wireless power transmission dating back to Nikola Tesla's experiments in the late 1890s. It then discusses key concepts such as how solar power satellites would collect solar energy in space via photovoltaic cells and transmit it to rectennas on Earth via microwave beams to be converted back to electricity. While the technology faces challenges including potential health effects and interference issues, the document concludes that with further development and support, solar power satellites could become a viable new source of clean energy by harvesting the sun's power in space.
Class work 4,computer_network_317
Satellites orbit Earth and provide important communication functions. There are four main types of orbits - geostationary (GEO), low Earth orbit (LEO), medium Earth orbit (MEO), and highly elliptical orbit (HEO). GEO satellites orbit at 36,000 km and remain stationary over one spot on Earth. LEO satellites orbit lower from 500-1500 km and provide better signal strength but require more satellites for global coverage. MEO satellites orbit between 6,000-20,000 km and provide visibility for 2-8 hours. HEO satellites have an elliptical orbit with varying altitudes.
Design and Implementation of Dual Axis Solar Tracking system
Solar energy is a promising technology that can have huge long term benefits. Solar cells convert the solar energy into electrical energy. Solar tracking system is the most suited technology to improve the efficiency and enhance the performance by utilizing maximum solar energy through the solar cell. In hardware development we utilize LDR’s as sensors and two servomotors to direct the position of the solar panel. The software part is implemented on a code written using an Arduino Uno controller.
Free space optics (fso) seminar report full
Free Space Optics (FSO) communications, also called Free Space Photonics (FSP) or Optical Wireless, refers to the transmission of modulated visible or infrared (IR) beams through the atmosphere to obtain optical communications. Like fiber, Free Space Optics (FSO) uses lasers to transmit data, but instead of enclosing the data stream in a glass fiber, it is transmitted through the air. Free Space Optics (FSO) works on the same basic principle as Infrared television remote controls, wireless keyboards or wireless Palm® devices.
Free space optics (fso) seminar report full
Free Space Optics (FSO) communications, also called Free Space Photonics (FSP) or Optical Wireless, refers to the transmission of modulated visible or infrared (IR) beams through the atmosphere to obtain optical communications. Like fiber, Free Space Optics (FSO) uses lasers to transmit data, but instead of enclosing the data stream in a glass fiber, it is transmitted through the air. Free Space Optics (FSO) works on the same basic principle as Infrared television remote controls, wireless keyboards
637124main staehle presentation
This document discusses progress toward enabling lower-cost interplanetary CubeSat missions. It describes six technology challenges (environment, communications, propulsion, navigation, instruments, and maximizing downlink data) and provides examples like asteroid mineral mapping and a solar system escape mission. Updates are given on relevant conferences and publications. Technology areas like components, power, longevity, configurations, communications, propulsion, and navigation are summarized. Roadmaps show expected improvements over time that could increase payload power and data rates while extending mission life. The document aims to outline approaches for opening the solar system to more affordable exploration using small satellites.
Satellite system
Assignment Name: Satellite System
Department: Computer Science and Engineering
Course Name: Computer Networks
Course Code: CSE 317
Project Report of TVRO system
TVRO SYSTEM
Project Report of Television Receive Only System implementation at Institute premises. Related to Satellite Communication
Want to purchase the content ? e-mail on dulith1989@gmail.com
Key to another kind of renewable energy
The document discusses solar power satellites (SPS), which are satellites outfitted with photovoltaic solar panels that generate electrical power from sunlight. SPS harnesses solar energy in space and transmits it to Earth via wireless power transmission such as microwaves or lasers. While SPS provides clean, sustainable energy without limitations from weather or nighttime, challenges include the costs of building and maintaining space infrastructure and developing efficient wireless power transmission over long distances.
SON Enabled Smarted Poles
Smart poles as a concept is not new but is getting extremely popular with Smart cities and Small cells. Penetration of smart phones and exponential growth of data consumption has pushed operators to deploy more sites to meet both coverage and capacity requirements. Interference and frequency re-use limitation stops operators to deploy more high-power macro sites and hence operators are moving towards low power solutions to cover hotspots.
69962
This document discusses the evolution of nanosatellites and CubeSats. It begins with a brief history of early satellites from Sputnik 1 to Vanguard 1. The CubeSat standard was then developed in 1999, defining small satellite sizes and interfaces to allow universities to design and build complete small satellites. Since 2013, commercial companies have launched large constellations of CubeSats for applications like Earth observation and weather monitoring. The CubeSat standard continues to evolve with larger form factors being developed and defined.
IRJET- Implementation of IoT based Dual Axis Photo-Voltaic Solar Tracker ...
This document describes an IoT-based dual-axis solar tracker system with maximum power point tracking (MPPT) using a Raspberry Pi and NodeMCU. It calculates the sun's position using equations that take latitude, longitude, time and date as inputs to determine the azimuth and altitude angles without sensors. An MQTT protocol transmits data between the PV module (NodeMCU) and server (Node-RED) regarding voltage, current, angles, and duty cycle. Node-RED installed on the Raspberry Pi calculates the duty cycle to extract maximum power from the PV system using two servo motors to adjust the panel's position. Experimental results found a tracking error of 0.1° and 0.47° for altitude and
SMi Group's Small Satellites 2020
The document announces a conference on exploring the small satellite revolution and its impact on future space. It will be held on April 27-28, 2020 in London, UK and include a half-day post-conference workshop on April 29. The conference will discuss topics such as disruptive approaches to space, small satellite applications, space data and networking, insurance, and market trends and opportunities. It will feature expert speakers from organizations such as NASA, Surrey Satellite Technology, the Israeli Space Agency, US Air Force, and more. Attendees can learn about key small satellite programs and how these systems are transforming capabilities.
Similar to Pico_nano_micro satellites_Siddhant_Honnalli (20)
Wireless power transmission via Solar power satellitee
Wireless power transmission via Solar power satellitee
Iaetsd rf controlled sailing robot for oceanic missions
Iaetsd rf controlled sailing robot for oceanic missions
Optical Inter-Satellite Links for CubeSat Satellites
Optical Inter-Satellite Links for CubeSat Satellites
Design and Implementation of Dual Axis Solar Tracking system
Design and Implementation of Dual Axis Solar Tracking system
IRJET- Implementation of IoT based Dual Axis Photo-Voltaic Solar Tracker ...
IRJET- Implementation of IoT based Dual Axis Photo-Voltaic Solar Tracker ...
Pico_nano_micro satellites_Siddhant_Honnalli
- 1. Pico Nano & Micro Satellites Siddhant R Honnalli PES Institute of Technology Bangalore India
- 3. Slide 3 As Big as a football In 1970’s As Big as a bus Now As small as a postcard Before…
- 4. What is a Satellite? It’s a moon, planet or machine that orbits a planet or a star
- 5. Slide 5 PNMSats FASTSAT 500.0 kilograms WNISAT 10.0 kilograms PISAT 5.3 kilograms O/OREAS 5.0 kilograms
- 6. Slide 6 Basic Components Communication System Power System OBC System Provide the “brain” of the satellite and tell the satellite to do what humans want it to do. Purpose Antennas and Transceivers Solar panels On-board Processors Payload Antennas to transmit and receive Amplifiers to strengthen signals Transponders Generation of Electricity from solar cells Stored and used to power the satellite Equipment a satellite needs to do it job Weather Satellite – camera to take pictures of cloud formations etc., Communications Satellite – large antennas to transmit TV or telephone signals
- 7. New Approach
- 8. Slide 8 But, Why do we need them? Size is small and compact Weigh less than 500 kilograms No dedicated launch vehicle required Cheap to design and enable mass production Conventional satellites costs more than $5 billion PNMSats costs just around $150,000 to $2 million. Wow!!
- 9. SPUTNIK I It was the first man-made satellite set into orbit on 4th October, 1957.
- 10. Space Enthusiast
- 11. Is it possible to design and build a small satellite just by being in college?
- 13. Slide 13 PISAT -a low cost nanosatellite -of size 25.4 x 25.6 x 18.1 cm and - a mass of 5.3 kg.
- 14. Slide 14 PAYLOAD GOMSPACE NANO CAM 1U is the payload for PISAT Objective is to click and send compressed images of earth to the ground station
- 16. Slide 16 1957 2003 2015Past Future Sputnik I First Cube sat About 500 Nano satellites will be launched So Far…
- 19. Slide 19 Contact Information E-mail : siddhant.r.h@gmail.com LinkedIn: https://in.linkedin.com/pub/siddhant-honnalli/50/730/852
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