Hand-Carry-Data-Collecting-Through-Questionnaire-and-Quiz-Alike-on-Crowds-using-Mini-Computer-Raspberry-Pi-Slide
1 like355 views
The document presents a method for conducting surveys using a portable server based on the Raspberry Pi, aiming to facilitate data collection in areas with unreliable internet access. It discusses the advantages of this approach, including reduced manual labor and instantaneous statistical results, while also exploring resource usage and stress testing outcomes. The authors conclude that further research is needed for real-world implementation and potential performance improvements.
Hand-Carry-Data-Collecting-Through-Questionnaire-and-Quiz-Alike-on-Crowds-using-Mini-Computer-Raspberry-Pi-Slide
- 1. 1/22 Introduction Method Simulation Conclusion and Future Work Hand Carry Data Collecting Through Questionnaire and Quiz Alike on Crowds Using Mini computer Raspberry Pi Fajar Purnama, Muhammad Bagus Andra, Hendarmawan, Tsuyoshi Usagawa, Masahiro Iida Computer Science and Electrical Engineering, Kumamoto University fajar@st.cs.kumamoto-u.ac.jp, bagus@st.cs.kumamoto-u.ac.jp, hendarmawan@st.cs.kumamoto-u.ac.jp, tuie@cs.kumamoto-u.ac.jp, iida@cs.kumamoto-u.ac.jp 10 June 2017 Presented by: Fajar Purnama Computer Science and Electrical Engineering, Kumamoto University International Mobile Learning Festival (IMLF) 2017
- 2. 2/22 Introduction Method Simulation Conclusion and Future Work Outline Introduction Method Simulation Conclusion and Future Work Presented by: Fajar Purnama Computer Science and Electrical Engineering, Kumamoto University International Mobile Learning Festival (IMLF) 2017
- 3. 3/22 Introduction Method Simulation Conclusion and Future Work Technical Methods of Survey Surveys has been often used to access other peoples thoughts, opinions, and feelings. Simply, it is one of many existing methods to gain information. Conventional Paper Based Method https://static.pexels.com/photos/159353/ survey-opinion-research-voting-fill-159353.jpeg Modern Online Based Method https://upload.wikimedia.org/wikipedia/ commons/thumb/1/1b/Online Survey Icon or logo.svg/1024px-Online Survey Icon or logo.svg.png Presented by: Fajar Purnama Computer Science and Electrical Engineering, Kumamoto University International Mobile Learning Festival (IMLF) 2017
- 4. 4/22 Introduction Method Simulation Conclusion and Future Work Motivation People Most people owns computer devices. which favors to modern online based method due to its automations Problem Internet connections are still unreliable. usually in most developing countries (Monmonthe., Win, T., Oo, M, Z., & Usagawa, T. (2016). Students Ereadiness for Elearning at Two MajorTechnological Universities in Myanmar. In Seventh International Conference on Science andEngineering (pp. 299-303). Yangon, Myanmar) online based survey cannot be used and revert to paper based survey Presented by: Fajar Purnama Computer Science and Electrical Engineering, Kumamoto University International Mobile Learning Festival (IMLF) 2017
- 5. 5/22 Introduction Method Simulation Conclusion and Future Work Proposal Make a portable server (hand carry server) and ask the participants to connect to the local survey site. (Bring the server to them) Presented by: Fajar Purnama Computer Science and Electrical Engineering, Kumamoto University International Mobile Learning Festival (IMLF) 2017
- 6. 6/22 Introduction Method Simulation Conclusion and Future Work Hypothesis The handcarry server: will reduce manual labor have resource limitation have service limitation Presented by: Fajar Purnama Computer Science and Electrical Engineering, Kumamoto University International Mobile Learning Festival (IMLF) 2017
- 7. 7/22 Introduction Method Simulation Conclusion and Future Work Hand Carry Server Specification Raspberry Pi 2 Model B $30 Resources: A 900MHz quad-core ARM Cortex-A7 CPU 1 Giga Byte (GB) Random Access Memory (RAM) Video Core IV 3D graphics cire Physical aspects: Size of 85.60 mm 56.5 mm (3.370 in 2.224 in) Weight of 45g Others: Micro Serial Digital (SD) card slot 4 Universal Serial Bus (USB) ports Ethernet Port Presented by: Fajar Purnama Computer Science and Electrical Engineering, Kumamoto University International Mobile Learning Festival (IMLF) 2017
- 8. 8/22 Introduction Method Simulation Conclusion and Future Work Transforming to Hand Carry Server Insert an Operating System (OS) (here is Raspbian). Install a Hotspot Module (here is Hostapd). Install a Dynamic Host Configuration Protocol (DHCP) Server (here is udhcpd). Install a Webserver and Database Server (here is Apache2 and MySQL). Install Limesurvey Content Management System (CMS). Optional install Domain Name System (DNS) Server and Iptables for landing page. Presented by: Fajar Purnama Computer Science and Electrical Engineering, Kumamoto University International Mobile Learning Festival (IMLF) 2017
- 9. 9/22 Introduction Method Simulation Conclusion and Future Work Hypothesis The handcarry server: will reduce manual labor have resource limitation have service limitation Presented by: Fajar Purnama Computer Science and Electrical Engineering, Kumamoto University International Mobile Learning Festival (IMLF) 2017
- 10. 10/22 Introduction Method Simulation Conclusion and Future Work Survey Labor Simulation A survey of MOOC Readiness containing 30 questionnaire items. The number of participants is 30. Preparation Stage. Creating the questionnaire. Printing the questionnaire (for paper based). Responding Stage Handing the questionnaire to participants. Answering session. Collecting the responses. Post Survey Stage Inputing responses to the database (for paper based). Presented by: Fajar Purnama Computer Science and Electrical Engineering, Kumamoto University International Mobile Learning Festival (IMLF) 2017
- 11. 11/22 Introduction Method Simulation Conclusion and Future Work Survey Settings Responses are anonymous. Cookies are used for duplication control. Presented by: Fajar Purnama Computer Science and Electrical Engineering, Kumamoto University International Mobile Learning Festival (IMLF) 2017
- 12. 12/22 Introduction Method Simulation Conclusion and Future Work Labors Preparation: no significant difference. Responding: no significant difference. Post Survey: Paper-based: needs to input response into database. Hand-carry-server: automatic and can do any analysis. Presented by: Fajar Purnama Computer Science and Electrical Engineering, Kumamoto University International Mobile Learning Festival (IMLF) 2017
- 13. 13/22 Introduction Method Simulation Conclusion and Future Work Hypothesis The handcarry server: will reduce manual labor have resource limitation have service limitation Presented by: Fajar Purnama Computer Science and Electrical Engineering, Kumamoto University International Mobile Learning Festival (IMLF) 2017
- 14. 14/22 Introduction Method Simulation Conclusion and Future Work Resources Usage Power delivery of 4.6 watt hour (low cost): Whole survey process: 39 minutes. Power bank: 20000 miliampere hours, 5 volts. Power bank indicater: from 100% to 97%. In this condition is should be able to last 1300 minutes ( 21 hours). Presented by: Fajar Purnama Computer Science and Electrical Engineering, Kumamoto University International Mobile Learning Festival (IMLF) 2017
- 15. 15/22 Introduction Method Simulation Conclusion and Future Work Resources Usage Presented by: Fajar Purnama Computer Science and Electrical Engineering, Kumamoto University International Mobile Learning Festival (IMLF) 2017
- 16. 16/22 Introduction Method Simulation Conclusion and Future Work Hypothesis The handcarry server: will reduce manual labor have resource limitation have service limitation Presented by: Fajar Purnama Computer Science and Electrical Engineering, Kumamoto University International Mobile Learning Festival (IMLF) 2017
- 17. 17/22 Introduction Method Simulation Conclusion and Future Work Stress Testing Stress testing application: Funkload Number of virtual users up to: 100 Testing: attempting survey Tested: response time Presented by: Fajar Purnama Computer Science and Electrical Engineering, Kumamoto University International Mobile Learning Festival (IMLF) 2017
- 18. 18/22 Introduction Method Simulation Conclusion and Future Work Stress testing up to 100 virtual users. The larger the concurrent users and questionnaire items, the longer the response time. Presented by: Fajar Purnama Computer Science and Electrical Engineering, Kumamoto University International Mobile Learning Festival (IMLF) 2017
- 19. 19/22 Introduction Method Simulation Conclusion and Future Work Advantage Simple, low power cost and requires less manual labors. Instantaneous statistical result and able to do any analysis. Screenshot: Presented by: Fajar Purnama Computer Science and Electrical Engineering, Kumamoto University International Mobile Learning Festival (IMLF) 2017
- 20. 20/22 Introduction Method Simulation Conclusion and Future Work Conclusion and Future Work Conclusion A method of survey using hand carry servers are presented. The simulation results gives insights to surveyors of how much the hand carry server can handle. Low power cost but exhausts CPU and memory. The response time is affected by the size of conccurent users and questionnaire contents. Future Work This work is only experimental and real implementation is necessary to complete this research. Performance can be further increased. Presented by: Fajar Purnama Computer Science and Electrical Engineering, Kumamoto University International Mobile Learning Festival (IMLF) 2017
- 21. 21/22 Introduction Method Simulation Conclusion and Future Work Presented by: Fajar Purnama Computer Science and Electrical Engineering, Kumamoto University International Mobile Learning Festival (IMLF) 2017
- 22. 22/22 Introduction Method Simulation Conclusion and Future Work Thank you Any comments or questions? Presented by: Fajar Purnama Computer Science and Electrical Engineering, Kumamoto University International Mobile Learning Festival (IMLF) 2017