Difference between revisions of "S15: Vision RC Car"
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=== Hardware Interface === | === Hardware Interface === | ||
In this section, you can describe how your hardware communicates, such as which BUSes used. You can discuss your driver implementation here, such that the '''Software Design''' section is isolated to talk about high level workings rather than inner working of your project. | In this section, you can describe how your hardware communicates, such as which BUSes used. You can discuss your driver implementation here, such that the '''Software Design''' section is isolated to talk about high level workings rather than inner working of your project. | ||
| + | UART - Client Side commands from the web-browser are sent to the server-side of the Intel Edison. The server on the Intel Edison outputs serial commands through the UART bus to the SJSU One board. | ||
| + | Pulse Width Modulation (PWM) - The SJSU One board outputs 1ms to 2ms wide pulse signals to the motor controller. The motor controller controls the speed of the motors based upon the duty cycle of the signals. The duty cycles are from 0% to 100%. | ||
=== Software Design === | === Software Design === | ||
Revision as of 03:02, 23 May 2015
Contents
Grading Criteria
- How well is Software & Hardware Design described?
- How well can this report be used to reproduce this project?
- Code Quality
- Overall Report Quality:
- Software Block Diagrams
- Hardware Block Diagrams
- Schematic Quality
- Quality of technical challenges and solutions adopted.
Vision RC Car
Abstract
The Vision RC Car will provide a video feed and controls to a user through a web-based GUI, with the goal of being able to roam wherever a network may be available.
The goal of the Vision RC Car is to be able to roam wherever a WiFi network is present. A user will utilize a web-based GUI to view a video-feed from the platform, and in turn control the vehicle from the GUI.
Objectives & Introduction
The Vision RC Car, here on out known as the system, was initially designed to spy on people. A user will have the ability to access a video-feed from the system, in addition to the ability to control the speed and direction of the system through the web-based GUI. It was determined that in addition to any nefarious activities that could be conducted with the system, a user could also utilize the system to make deliveries of small packages, to explore spaces inaccessible to humans, and for hobbyist purposes.
The system is composed of a gutted RC car, a dual-bridge motor controller, the SJSU One microcontroller, the Intel Edison microcontroller, and a webcam. At the center of the system is the Edison, which runs a lightweight Linux distro known as Yocto. The Edison is WiFi capable and will serve as the system bridge to wireless networks. The Edison will run a Node.js server that will host the system GUI. The webcam is interfaced with the Edison, and the video-feed is presented on the GUI. The system will utilize JavaScript to read commands from the user, and redirect the commands received to the SJSU One.
The SJSU One and Edison communicate through UART at a baud rate of 115200. The SJSU One will control the speed and direction of the system by interfacing with the dual-bridge motor-controller, which in turn drives the two-motors of the system. One of the motors is responsible for forward and backward movements, while the other motor is responsible for steering.
Team Members & Responsibilities
- Team Member 1
- Jonathon Hongpananon - Web Server
- Team Member 2
- Eduardo Espericueta - Motor Control
- Team Member 3
- Shangming Wang - IP Camera Support
Schedule
Show a simple table or figures that show your scheduled as planned before you started working on the project. Then in another table column, write down the actual schedule so that readers can see the planned vs. actual goals. The point of the schedule is for readers to assess how to pace themselves if they are doing a similar project.
| Week# | Start Date | End Date | Task | Status | Actual Completion Date |
|---|---|---|---|---|---|
| 1 | 4/14/2015 | 4/20/2015 | Ed: Attach prototyping board to the RC car. Interface the SJSU One and the motor controller. Test the motor tasks, and verify that steering and drive work as expected.
Jon: Research setting up server on Edison. Flash OS onto the Intel Edison. Solder header pins onto the Edison mini breakout board. Eric: Research streaming camera feed. Create system layout diagram. |
Complete - Motors respond to 'a', 'w', 's', & 'd' terminal commands. Front wheels turn left and right. | 4/20/15 |
| 2 | 4/21/2015 | 4/27/2015 | Ed: Modify the Edison’s web page to form a first draft of what UI will look like. Write JavaScript for UI that will detect a user’s keyboard input.
Jon: Setup node.js server from Edison. Attempt first draft webserver implementation. Eric: Setup streaming camera feed to browser - Part 1 |
Complete - Node.js server is setup and tested. Javascript page is able to echo key commands to console. | 4/27/15 |
| 3 | 4/28/2015 | 5/4/2015 | Ed: Integrate the Edison and the SJSU One. Write code to transfer command input from UI to the SJSU One.
Jon: Continuation of node.js server. Expand UI aesthetics and functionality. Eric: Setup streaming camera feed to browser - Part 2 |
Complete | 5/19/15 |
| 4 | 5/5/2015 | 5/11/2015 | Ed: Integration on RC car platform, more specifically wiring layout, color, and verification of connections.
Jon: Integration on RC car platform (power supply) Eric: Integration on RC car platform (mounting) |
Complete | 5/21/15 |
| 5 | 5/12/2015 | 5/18/2015 | Ed: Test motor controls from web GUI.
Jon: Test accessibility and physical range. Eric: Test webcam at distance. |
Ongoing | N/A |
| 6 | 5/19/2015 | 5/22/2015 | Ed: Finish details. Work on Wiki.
Jon: Finish details. Work on Wiki. Eric: Finish details. Work on Wiki |
Ongoing | N/A |
Parts List & Cost
| Qty | Description | Manufacturer | Part Number | Total Cost |
|---|---|---|---|---|
| 100 | Jumper Wires | $6.99 | ||
| 1 | DC Stepper Motor | $6.43 | ||
| 40 | Male to Female Jumper Wires | $4.99 | ||
| 10 | PCB Board Pin Headers | $5.74 | ||
| 200 | Cable Ties | Turnigy | $6.31 | |
| 10 | PCB Female Pin Headers | $5.29 | ||
| 1 | Remote Control Car | $59.99 | ||
| 1 | SJOne Board | $80.00 | ||
| 1 | Intel Edison | Intel | $60.00 | |
| Total Cost (excluding shipping and taxes) | $235.74 |
Design & Implementation
Hardware Design
The hardware consists of several different types of hardware devices. The Vision RC car uses a 12V battery pack to power both the SJSU One board, the motor controller, and the Intel Edison. The 12V battery pack is connected to a power circuit which uses a LM7805 5 Volt regulator to control the voltage supply to the devices. The SJSU One board communicates to the dual-bridge motor controller using pulse width modulation (PWM) signals. The signals are decoded by the motor controller, which in turn controls the spinning rate of the motors. The web cam is connected to the Intel Edison and transfers the user input commands to the SJSU One board.
Hardware Interface
In this section, you can describe how your hardware communicates, such as which BUSes used. You can discuss your driver implementation here, such that the Software Design section is isolated to talk about high level workings rather than inner working of your project. UART - Client Side commands from the web-browser are sent to the server-side of the Intel Edison. The server on the Intel Edison outputs serial commands through the UART bus to the SJSU One board. Pulse Width Modulation (PWM) - The SJSU One board outputs 1ms to 2ms wide pulse signals to the motor controller. The motor controller controls the speed of the motors based upon the duty cycle of the signals. The duty cycles are from 0% to 100%.
Software Design
Show your software design. For example, if you are designing an MP3 Player, show the tasks that you are using, and what they are doing at a high level. Do not show the details of the code. For example, do not show exact code, but you may show psuedocode and fragments of code. Keep in mind that you are showing DESIGN of your software, not the inner workings of it.
Implementation
This section includes implementation, but again, not the details, just the high level. For example, you can list the steps it takes to communicate over a sensor, or the steps needed to write a page of memory onto SPI Flash. You can include sub-sections for each of your component implementation.
Testing & Technical Challenges
Describe the challenges of your project. What advise would you give yourself or someone else if your project can be started from scratch again? Make a smooth transition to testing section and described what it took to test your project.
Include sub-sections that list out a problem and solution, such as:
My Issue #1
Discuss the issue and resolution.
Conclusion
Conclude your project here. You can recap your testing and problems. You should address the "so what" part here to indicate what you ultimately learnt from this project. How has this project increased your knowledge?
Project Video
Upload a video of your project and post the link here.
Project Source Code
References
Acknowledgement
Any acknowledgement that you may wish to provide can be included here.
References Used
List any references used in project.
Appendix
You can list the references you used.
