User:Yadarwish/project2

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Project Preference
''
 * Beat bearing (implement)
 * anything but automatic shaker table lol ''

Problem Statement
''In one or two sentences, describe the project that your group will be working on. Identify what CDIO phase (Conceive, Design, Implement, or Operate) your group will complete in this project cycle.''

Project Plan
Briefly describe your group's plan for the next 4 weeks, including major tasks that will be completed each week.

Week 1 Narrative
''For the first week of working on my project which is wireless electricity I had the task to do some research on this topic and find videos to help me and my group get a more broader understanding. i found three great websites that i read through to get background information and safety info on this. i will put down the links below this. I learned about witricity which is what our project will be based on using resonant to transfer wireless energy. i did some learning on resonance which comes in many different forms its the expansion of amplitude oscillating of a system opened to a force whose frequency is the same or nearly where build up of energy may be stored. This is something me and my group need to keep in mind and will help when designing this project. for experimenting we will light up an LED which will be simple. I have a picture below showing my group testing to turn on an LED with just a battery and then working our way up with spring copper coils we made. For the main project we are starting with two copper coils and a resonant system one of the coils must be connected to a power which for this project we will be using AC since it’s a high enough power that can turn something on from a couple feet away. While the other coil will be connected to a light bulb. This will show how the magnetic field can produce power and transmit power to different objects In conclusion the point of this project is creating technology that will rely through the magnetic filed and is based on strong coupling and resonant.
 * resonance
 * We will also be using Resonant Magnetic Coupling which is when two things will give back energy going back and forth producing a magnetic field this will happen when two frequencies are exactly the same so when designing this project we will be lighting up a lamp and its important to know about this is order to start this project.
 * testing
 * In this project its important for me and my group to have two coils with the same dimensions so it will have magnetic induction which will take up energy from the magnetic field that will will come from the coil. then then energy that will be producing back and forth through the magnetic field and makes an electrical current that will light up the bulf after being delivered from the coil.
 * After spending a lot of time researching this project i wanted to know more about the advantages and disadvantages of using wireless electricity in this society. Disadvantages i found were that if you were to conduct something to charge wirelessly with a high amount of power from feet, meters, or even miles away it can trigger other things to wirelessly charge from other objects. While some advantages would be a high rate of efficiency when transmitting power through long or short distances. Also its more convenient and reliable.




 * Below are sources i used for this week to get my background information and research on this project

http://www.witricity.com/pages/technology.html

http://makezine.com/projects/wireless-power-transfer/

http://www.ijceronline.com/papers/Vol2_issue7/K027048051.pdf


 * I found this video on charging vehicles very interesting

http://www.youtube.com/watch?v=Gw6XtzEOlyI --This video is an example of a plug in electrical vehicle that will charge it. In a safe and environmental way. Energy is being transferred to a battery through sufficient energy that can be transferred to a circuit without any extreme energy losses depending on the resonance frequency.

''

Week 2 Narrative
''For this week my tasks were to test the coils efficiency, and to research some design possibilities.

purpose In this project we will create a method that can transmit power without wires. Connecting a power source, which will be an AC source to an inductive coupling system that will produce a magnetic field in order to transmit energy through out the air, will complete this. This will require a coil to send off energy to a receiving coil and will happen by transferring the energy through the first coil and producing the magnetic field to the other coil. That coil will then make a signal expending this magnetic field. the diagram of this whole design process will start form the power source connected to the transmitting coil and which will have 1 foot of space between the receiving coil that is connected to an AC/DC output.
 * The purpose of this project is to produce wireless energy transfer system that can let future methods to wirelessly turn on power. The point is to have a high amount of efficiency at a distance of one 1 ft.
 * (Below I posted a diagram I made of the coupling method containing the transmitting and receiving coils)

The design of this whole method is to take energy from an AC power and let it transfer wirelessly. This will contain a DC converted to an AC power to light up the bulb. Resonant inductive coupling Is how this power will be converted this all depends on this communication the transmitting and receiving coils have together. The only way for us to do this is to be able to make the transmitting coil larger than the other coil, but not too much bigger.
 * The efficiency of this project will depend on the coils distance and the size of it and the power of our source will be connected to the transmitting coil and will then wirelessly transfer to the receiving coil and that energy will then go towards the bulb to light up.
 * The system:
 * Efficiency:
 * For us to test how efficient this is we must test different types of coils we will use and that is what me and my group did this week. Below I posted different methods of the usage of coils when checking.  The problem is finding good efficiency but at the same time trying to find a far enough distance.

(This is my group testing different methods of coils lighting an LED. )



in this video the person is showing how to light a bulb using coils and It showed a great example of how creating a larger range can happen by adding a third existing coil. and achieve high efficiency at the same time.


 * http://www.youtube.com/watch?v=AMgnQ-NHOZk

the system only achieves high efficiency at a single point between the transmitter and receiver. the system adapts when auto tuning is enabled and when the light bulb is out of the range it turns off but when it is brought back to the range it can rapidly find the maximum power point and get a high efficiency.

''

Week 3 Narrative
'' For this week we spent more time testing different ways to light up the LED. in the pictures below are different ways we tired but were unsuccessful until we were able to find a method that we tested. Below is a picture of a chart of the materials we needed to use in order to work this method.

http://www.youtube.com/watch?v=4Pi1Jw3ezRA&feature=youtu.be <--- this was a great video for lighting up LED that me and my group found voltage
 * To make a high amount of change you would need to help bring a higher voltage on the receiving coil and a higher total of currency that must be transferred to the transmitting coil and a correct amount of distance between the transmitter and receiver.
 * For figuring out the coils and resonance we must use the equation 1/2 π√LC Which is an equation I found online for the loops of the antenna





process
 * through testing we had to test the currency by using a volt meter we had to test the current on the coils and that was are problems since it wasn't receiving the amount of currency we needed so we had to correctly fix the coils. Also we used a breadboard to add all the wiring we needed many capacitor and resistors like 470pf, 1nf, and BD137 attached to the breadboard.
 * While we hook up the light bulb to the col it will change the resonant very little with its frequency of the coil that is being received, we will then need a signal coming from both coils and the voltage would be powered by an AC power which will at least get the bulb to light up dimly. For us to be able to increase the brightness we will have test this by increasing the voltage from the AC power we will be using.


 * In order for my group to produce resonate waves and to pass the resonant frequency to a transmitting coil we will have to be able to design something that will generate a way to have the transmitting and receiving coils to have the same resonant frequency. Inductance (μH) equation.png

Here is an equation that will be used to figure out the antenna coil design


 * After taking some time to research and using different equations i made an assumption that the best coil we will use for this design is copper tubing and with about 10 turns in order to light up the bulb.
 * we will have a resonant coil that will be used with the frequency converter that will will be plugged in to an outlet. this resonant coil will then be on the light bulb together.

In the picture above i illustrated the lines of the magnetic field

''

Week 4 Narrative
In our lest testing for lighting up the LED we used coils wrapped around a bar and used a magnet as a power to distribute energy, but their were problems that the coils were receiving currency but at a very low rate we measured this by using using millivolts. You can see below in the pictures that shows the voltage and currency.