3d Printed antennas
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This document describes the design of 3D printed antennas. It outlines initial inspirations from industry antennas and homemade designs. Early models included 3D printed mounts for dipole and tripole antennas. Further prototypes tested designs like a dipole and tripole antenna. The document then introduces the solution called the Copernican Gear Antenna, which uses 3D printed gears to enable three-dimensional turning of mounted antennas. This unique design offers potential for omnidirectional sensing and increased modularity for a wide range of applications.
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advantages such as reduction in the effect of multipath reflections, decrease in transmission losses,
enhancement of weather penetration and allowing any orientation to the communication system.
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This document describes the design of small directive antennas for Internet of Things (IoT) applications. It outlines the introduction to IoT and wireless sensor networks (WSN), discusses antenna theory including common parameters and array designs, and presents the practical work done to design directive antennas operating at 868MHz and 2400MHz. Miniaturization techniques were used to reduce the antenna size. The results showed the designed antennas met requirements for gain, front-to-back ratio, and matching while providing knowledge in IoT, WSN, antenna fundamentals, and design optimization software.
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This document describes a design for a dual gain control system for a helical feed parabolic reflector antenna. The system uses 5 stepper motors - 4 to control the position of sectors of the parabolic reflector to vary its diameter and gain, and 1 to control the position of the helical feed to vary its number of turns and gain. The microcontroller-based system allows entering the number of steps for each motor from a keypad to control the antenna gains. Simulation results show the antenna gain can be varied +/- 10% by adjusting the reflector diameter or helical feed position.
CST success story - Convergentia antennas
Convergentia uses CST Studio Suite simulations to replace physical prototype builds and reduce development time. They simulate compact antennas for portable electronics. Accurate modeling of PCB layouts and grounding structures is important. Simulations match well with measurements when material properties and component values are tuned. This allows Convergentia to create accurate virtual prototypes and avoid additional physical design rounds.
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This document provides a report on the capstone project to design a microstrip antenna for wireless applications by integrating embedded systems and IoT. It begins with an acknowledgment section thanking the project supervisor. The next sections include an introduction on antenna design, the design parameters considered, an overview of how the project works, details on the CST simulation software used, the antenna design process in CST, a literature review, and conclusions. Key aspects of the project involve designing a microstrip antenna using different feeding techniques, integrating it with an embedded system for data transmission via IoT, and using CST software to simulate and optimize the antenna performance.
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This document describes the design and construction of a prototype remote control system for home appliances using radio frequency (RF). It includes an introduction outlining the aims and objectives of the project, as well as the scope of work. It then provides a literature review on remote control systems and describes the proposed design which consists of transmitting and receiving sides. The document analyzes the hardware components that will be used, including transformers, bridge rectifiers, diodes, capacitors, voltage regulators, LEDs, resistors, microcontrollers, crystal oscillators, transistors, relays, and infrared transmitters and receivers. It outlines the system design methodology and discusses how the system will be tested.
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This document presents a high gain printed ultra wideband antenna concept covering 3-10 GHz. It summarizes a printed antenna design with circular dipole radiation elements fed by a planar printed circuit. A metallic reflector is used to shape the radiation pattern, providing a half-space radiation pattern in azimuth and moderate beamwidth in elevation. Simulation and measurement results show the antenna achieves a gain of 7-8 dBi across the band with a 180 degree azimuth beamwidth. The design offers a low-cost, easily integrated solution and was tested in a vehicle entertainment application.
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3d Printed antennas
- 1. 3d Printed antennas By Allan Regis 1
- 2. Project goal Design antennas with unique aesthetic designs, and dual polarization for good performance. 2
- 3. Initial inspirations Antenna Designs in Industry 3 Patch Antennas Dish Antenna Horn Antenna Turnstile Antenna
- 4. Initial inspirations Theoretical/Research Antennas 4 Metal etched onto circuit boards Advantages Cost effective Wide variety available Compact Disadvantages Confined to two-dimensional board
- 5. Initial inspirations ‘Homebrew’ Antennas 5 Antennas fashioned by individuals using ‘whatever works’ Advantages Functional antennas that are cheap & easy to construct Disadvantages Typically fragile Aesthetic nightmare
- 6. Initial inspirations Metal 3D Printed Antennas 6 Prints Gallium to create a three- dimensional antenna array Advantages Highly innovative Customizable designs Disadvantages Very expensive Can be fragile
- 7. Early antenna models 7 Two 3D printed mounts, plus base plate Two screws hold antenna together Copper wires fed through small loops at the of the 3D printed ‘arms’ Form & Function Studies: Dipole Antenna
- 8. Early antenna models Same two screws can support tripole design Each dipole carefully measured to be equidistant from center Uses two of the same pieces for increased modularity Form & Function Studies: Tripole Antenna 8
- 9. Early antenna models 9 Mounting Pieces support 3D printed antennas for either tripole or dual dipole antennas Form & Function Studies: Tripole Antenna
- 10. Works-like prototypes 10 Dipole Antenna (Fourth wire is currently M.I.A.)
- 11. Works-like prototypes Tripole Antenna 11
- 12. Works-like prototypes Tripole Antenna w/ Support 12 Tripole pieces 3D printed in acrylic to preserve finer details
- 13. Design challenges 13 How might we incorporate more unique aesthetic designs? Can we make the antennas modular, so customers could get more use from them? What unique functions can our technology provide that competitors cannot?
- 14. The solution: The Copernican Gear Antenna 14 Animation Link: https://youtu.be/I4tDekpHhWk
- 16. Exploded view 16
- 17. 17
- 18. Key features 18 Glass domes protect insides from unwanted damage or tampering, but still allows operators to see inner mechanisms Antenna’s transmission lines go through hole in bottom glass, and through bottom of stand Copernican’s gears enable three-dimensional turning of mounted antennas, which can give non-tripole antennas more sensory capabilities
- 19. Key features 19 Tripole OR dual dipole can snap into center gear. Highly modular Radial marks help determine exactly how far from rest position the antenna has turned
- 20. Key features 20 Bottom stand is removable, meaning the Copernican can be integrated into a variety of systems (other than tabletop sensing) All gears are equation-driven, and can be modified to a certain size within seconds, while maintaining optimal meshing conditions
- 22. Markets and uses 22 Could be used as a tabletop research antenna for test field strengths in Communication Labs Gears can be attached to electromechanical systems to control the antenna’s orientation via microprocessors in large machinery Increased WiFi reception for personal laptop computers
- 23. conclusions 23 Usefulness? The Copernican offers the potential for omnidirectional sensing with virtually any type of antenna Modularity? Copernican is cost efficient, and can be quickly customized to fit a wide variety of sensing applications Elegance? The Gear Antenna breaks the monotony of standard antenna designs, especially those of dipoles, dual dipoles, and tripole antennas. No other product on the market can provide all these benefits… The Gear Antenna is a GO!!