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RESEARCH POSTER PRESENTATION DESIGN © 2011 www.PosterPresentations.com QUICK TIPS (--THIS SECTION DOES NOT PRINT--) This PowerPoint template requires basic.

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Presentation on theme: "RESEARCH POSTER PRESENTATION DESIGN © 2011 www.PosterPresentations.com QUICK TIPS (--THIS SECTION DOES NOT PRINT--) This PowerPoint template requires basic."— Presentation transcript:

1 RESEARCH POSTER PRESENTATION DESIGN © 2011 www.PosterPresentations.com QUICK TIPS (--THIS SECTION DOES NOT PRINT--) This PowerPoint template requires basic PowerPoint (version 2007 or newer) skills. Below is a list of commonly asked questions specific to this template. If you are using an older version of PowerPoint some template features may not work properly. Using the template Verifying the quality of your graphics Go to the VIEW menu and click on ZOOM to set your preferred magnification. This template is at 100% the size of the final poster. All text and graphics will be printed at 100% their size. To see what your poster will look like when printed, set the zoom to 100% and evaluate the quality of all your graphics before you submit your poster for printing. Using the placeholders To add text to this template click inside a placeholder and type in or paste your text. To move a placeholder, click on it once (to select it), place your cursor on its frame and your cursor will change to this symbol: Then, click once and drag it to its new location where you can resize it as needed. Additional placeholders can be found on the left side of this template. Modifying the layout This template has four different column layouts. Right-click your mouse on the background and click on “Layout” to see the layout options. The columns in the provided layouts are fixed and cannot be moved but advanced users can modify any layout by going to VIEW and then SLIDE MASTER. Importing text and graphics from external sources TEXT: Paste or type your text into a pre-existing placeholder or drag in a new placeholder from the left side of the template. Move it anywhere as needed. PHOTOS: Drag in a picture placeholder, size it first, click in it and insert a photo from the menu. TABLES: You can copy and paste a table from an external document onto this poster template. To adjust the way the text fits within the cells of a table that has been pasted, right-click on the table, click FORMAT SHAPE then click on TEXT BOX and change the INTERNAL MARGIN values to 0.25 Modifying the color scheme To change the color scheme of this template go to the “Design” menu and click on “Colors”. You can choose from the provide color combinations or you can create your own. QUICK DESIGN GUIDE (--THIS SECTION DOES NOT PRINT--) This PowerPoint 2007 template produces a 36”x48” professional poster. It will save you valuable time placing titles, subtitles, text, and graphics. Use it to create your presentation. Then send it to PosterPresentations.com for premium quality, same day affordable printing. We provide a series of online tutorials that will guide you through the poster design process and answer your poster production questions. View our online tutorials at: http://bit.ly/Poster_creation_help (copy and paste the link into your web browser). For assistance and to order your printed poster call PosterPresentations.com at 1.866.649.3004 Object Placeholders Use the placeholders provided below to add new elements to your poster: Drag a placeholder onto the poster area, size it, and click it to edit. Section Header placeholder Move this preformatted section header placeholder to the poster area to add another section header. Use section headers to separate topics or concepts within your presentation. Text placeholder Move this preformatted text placeholder to the poster to add a new body of text. Picture placeholder Move this graphic placeholder onto your poster, size it first, and then click it to add a picture to the poster. © 2011 PosterPresentations.com 2117 Fourth Street, Unit C Berkeley CA 94710 posterpresenter@gmail.com Student discounts are available on our Facebook page. Go to PosterPresentations.com and click on the FB icon. Liberty Common High School Electronics and Robotics Introduction CONCLUSIONS Materials Egg Drop ExperimentDesign Process Arduino Accelerometers This program is based upon collaborative work supported by a National Science Foundation Grant No. 0841259; Colorado State University, Thomas Chen, Principal Investigator, Michael A. de Miranda and Stuart Tobet Co-Principal Investigators. Any opinions, findings, conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation. Josh, Cody, Tim, Nate, Matthew, Troy, and Rob During this project we learned how to program an accelerometer to measure acceleration using an Arduino microprocessor board. The coding for this project consisted of a number of mathematical equations and statements of variables that helped produce accurate results. The documentation for the accelerometer also turned out to be key. Students in other classes had difficulty using the accelerometers, and it was necessary to better explain how they worked. While the project was a success, there were several things which could have been done differently. The other classes were never completely satisfied with how the data from the accelerometer was displayed on the computer. Also, the other classes were interested in measuring acceleration in multiple directions, so a multi-axis accelerometer would have been a better choice. Arduino Uno SMD The Arduino Uno is an easily programmable microcontroller board, perfect for small electronics projects. The Arduino detects the voltage generated by the accelerometer and calculates the acceleration is g’s. Acceleration is extremely important when designing safety equipment. For instance, the main function of a bicycle helmet is to limit the acceleration of a persons head when it hits the ground. Since acceleration is important for safety, it is also important to measure it accurately. The goal of this project was to create an accurate accelerometer which other classes at Liberty Common High School could use for measurements. The accelerometer designed in this project was used successfully to test automobile crumple zones in the Mechanical Engineering class, and helmets in the Bio Engineering class. The accelerometer was constructed using an Arduino Uno microprocessor board and a Freescale Semiconductor accelerometer chip. The project involved physical assembly, computer programming, testing and design revision. Freescale Semiconductor MMA2301KEG The MMA2301KEG is a single axis accelerometer with a range of +-200g The accelerometer produces an analog voltage proportional to the acceleration that is measured. Laptop Computer A computer is needed to write the software that the Arduino runs. Data collected by the Arduino is transferred to the computer where it can be displayed on the monitor. Question: How many G’s can an egg withstand before breaking? Egg #1 Height (cm) Acceleration (g's) Trial 1Trial 2Trial 3 5141815 103411484 15150111100 20156134170 Egg #2 Height (cm) Acceleration (g's) Trial 1Trial 2Trial 3 5542549 10786682 15160135198 20198 140 2582198N/A The egg and accelerometer enclosed in a plastic cup for testing. Arduino with accelerometer attached ***Red data indicated the point at which the egg cracked*** Test Results Assembly -How long should the wires be? -How can solder joints be reinforced? Programming and Documentation -How does voltage translate to g’s? -What should the sampling rate be? -What type of instructions are needed so the other classes can use the accelerometer? Testing -Did the code function properly? -Did any connections or components break? -Was the accelerometer easy to use? Modifications and Improvements -What features did the other classes like? -What can be changed to make the accelerometer easier to use? Testing Procedure 1)Secure the egg and accelerometer to the plastic cup, enclose the cup in a sealable bag. 2)Connect the Arduino to the computer and begin collecting data. 3)Drop the egg three times from 5cm and record the maximum acceleration measured by the accelerometer each time. 4) Increase the drop height by 5cm and drop the egg three more times, recording the acceleration each time. 5)Repeat step 4 until the egg breaks. Purpose: Perform a simple egg drop experiment to test the functionality of the accelerometer and learn about how many g’s an everyday object such as an egg can withstand without damage. Egg Drop Conclusions: The amount of acceleration an egg can withstand without breaking is amazing! However, for this particular experiment the accelerometer might not have been accurate enough. The reading varied greatly even when the egg was dropped from the same height, so it is difficult to determine if the accelerometer was producing valid data. Picture Souces: 1)http://arduino.cc/en/uploads/Main/ArduinoUnoSmd.jpghttp://arduino.cc/en/uploads/Main/ArduinoUnoSmd.jpg 2)http://laptoppics.com/laptop/hp-probook-6360b-pics-prices/http://laptoppics.com/laptop/hp-probook-6360b-pics-prices/


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