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| report [2013/06/12 02:01] – [Power consumption and autonomy] team2 | report [2013/06/14 16:45] (current) – [Architecture and design] team2 | ||
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| === Objectives === | === Objectives === | ||
| - | The main objective is to design and develop a pet tracking system that complies with the requirements described in //1.1.// Once the main problem is solved, we want to create a | + | The main objective is to design and develop a pet tracking system that complies with the requirements described in //1.1.// Once the main problem is solved, we want to create a unique environment where the pet owner can, not only know the pet’s location accurately, but also monitor its levels of activity during the day and share it on social media. |
| ==== Expected Results ==== | ==== Expected Results ==== | ||
| The product needs to meet the original requirements to satisfy our client, José Barros Oliveira. In addition to these basic features, | The product needs to meet the original requirements to satisfy our client, José Barros Oliveira. In addition to these basic features, | ||
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| Garmin is a well-known navigation company from Switzerland. They provide navigation systems for all kinds of vehicles and activities as well as equipment specialized for hunters. In their animal department, Garmin offers dog tracking and pet obedience products. The quality of their products is of high standard but a high price follows. Their cheapest complete dog tracking system is set at 500 EUR and it includes a handheld device worth 300 EUR and a collar worth 200 EUR (Figure 3). | Garmin is a well-known navigation company from Switzerland. They provide navigation systems for all kinds of vehicles and activities as well as equipment specialized for hunters. In their animal department, Garmin offers dog tracking and pet obedience products. The quality of their products is of high standard but a high price follows. Their cheapest complete dog tracking system is set at 500 EUR and it includes a handheld device worth 300 EUR and a collar worth 200 EUR (Figure 3). | ||
| - | [[http:// | + | {{:garmin_astro.jpg?300|}} |
| //Figure 3 - Garmin Astro// | //Figure 3 - Garmin Astro// | ||
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| Snaptracs is a Qualcomm company. Qualcomm is an American semiconductor company that specialize in wireless telecommunication. They have one product called “Tagg” (Figure 4) | Snaptracs is a Qualcomm company. Qualcomm is an American semiconductor company that specialize in wireless telecommunication. They have one product called “Tagg” (Figure 4) | ||
| - | http:// | + | {{:tagg.jpg?300|}} |
| //Figure 4 - Tagg// | //Figure 4 - Tagg// | ||
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| Since there is only one I2C bus available in the analog pins 4 (Serial Data Line) and 5 (Serial Clock), and both the accelerometer and the EEPROM need to access it, it was necessary to adapt and control the bus access. To avoid including more hardware to the device, i.e. an I2C multiplexer, | Since there is only one I2C bus available in the analog pins 4 (Serial Data Line) and 5 (Serial Clock), and both the accelerometer and the EEPROM need to access it, it was necessary to adapt and control the bus access. To avoid including more hardware to the device, i.e. an I2C multiplexer, | ||
| - | {{:power_schematic.jpg?300|}} | + | {{:power_schematicchanged.jpg?300|}} |
| //Figure 28 - Power schematic// | //Figure 28 - Power schematic// | ||
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| The total power consumption was calculated using the expression: | The total power consumption was calculated using the expression: | ||
| + | {{ : | ||
| + | T< | ||
| + | Q< | ||
| + | I ̅– Average consumption, | ||
| + | I< | ||
| - | PLEASE, INSERT IT! | ||
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| It is visible that the tracking mode consumes much more power than the regular mode. It is realistic to assume that three hours is enough to track and salvage the pet, although it a small amount of time. | It is visible that the tracking mode consumes much more power than the regular mode. It is realistic to assume that three hours is enough to track and salvage the pet, although it a small amount of time. | ||
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| [26] “Social_comparison.pdf.” [Online]. Available: http:// | [26] “Social_comparison.pdf.” [Online]. Available: http:// | ||
| - | [27] “Garmin_Astro_320.jpg (JPEG Image, 299 × 320 pixels) - Scaled (98%).” [Online]. Available: http://мега.net/ | + | [27] “Garmin_Astro_320.jpg (JPEG Image, 299 × 320 pixels) - Scaled (98%).” [Online]. Available: http://xn--80aff1a.net/ |
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| + | [28] “tagg_gallery_2.jpg (JPEG Image, 1152 × 648 pixels) - Scaled (48%).” [Online]. Available: http:// | ||
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| + | [29] “Project-Control-loop.gif (GIF Image, 225 × 225 pixels).” [Online]. Available: http:// | ||
| + | |||
| + | [30] “What is Eco-efficiency? | ||
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| + | [31] “Sustainability :: | ||
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| + | [32] “Sustainability-venn-diagram.png (PNG Image, 736 × 592 pixels) - Scaled (53%).” [Online]. Available: http:// | ||
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| + | [33] “Suomi - Etk.fi.” [Online]. Available: http:// | ||
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| + | [34] “LCA_graphic_for_web.jpg (JPEG Image, 581 × 471 pixels) - Scaled (66%).” [Online]. Available: | ||
| + | http:// | ||
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| + | [35] “Triple Axis Accelerometer Breakout - MMA8452Q - SparkFun Electronics.” [Online]. Available: https:// | ||
| + | |||
| + | [36] “Battery Recycling as a Business - Battery University.” [Online]. Available: http:// | ||
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| + | [37] “NSPE Code of Ethics for Engineers.” [Online]. Available: http:// | ||
| + | |||
| + | [38] “OEC - A Design Engineer’s View of Liability in Engineering Practice: Negligence and Other Potential Liabilities.” [Online]. Available: http:// | ||
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| + | [39] “ADH8066 GSM Module - SparkFun Electronics.” [Online]. Available: https:// | ||
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| + | [40] “20 Channel EM-408 SiRF III Receiver with Antenna/ | ||
| + | |||
| + | [41] “Compre Microcontroladores 8 bit Microcontroller, | ||
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| + | [42] “G.top PA6H Low Profile High Sensitivity GPS Module with Integrated Patch Antenna.” [Online]. Available: http:// | ||
| + | |||
| + | [43] “Compre Circuitos Integrados de Acelerómetro Accelerometer Triple +/-2g/8g 2.5V LGA16 STMicroelectronics LIS331DL na RS Online e o receberá em 24/48 horas.” [Online]. Available: http:// | ||
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| + | [44] “Sierra Wireless - AirPrime SL Series 2G/3G wireless modules.” [Online]. Available: http:// | ||
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| + | ===== Appendix ====== | ||
| + | |||
| + | Appendix A – Bulk pricing | ||
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| + | {{: | ||
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| + | {{: | ||
| + | Appendix B – Survey results | ||
| + | {{: | ||
| + | Appendix C and D | ||
| - | SOMETHING IS WRONG FROM THIS MOMENT...? | + | {{: |
