TEST RESULT:
The Robot was built and the following were the results.
· The Programmer and the embedded system that was required to be handled for future more complex project’s was built and tested.
· Simple Object detection and implementation of various IR Sensors was made.
· Making robots from cheap and readily available materials was performed.
· The radio wave communication works successfully in both directions i.e. control panel to the pioneer and vice versa.
CONCLUSION:
The target time for the completion of the project was approx. 2-1/2 months. The target was accomplished in three months. The following features were successfully implemented on the robotics system. :
· Hurdle detection & avoidance
· Path tracing by the system and tracking the system simultaneously on the remote terminal in the form of Two Dimensional co-ordinates.
· Realizing the whole system as hard real time with the help of embedded microcontroller programming.
Efforts are made to make the system as user friendly as possible so that it can serve the purpose for which it is developed. The project provided the team with a good hands-on experience on embedded system programming and helped us to understand the basic concepts and principals regarding real time embedded systems.
After the successful completion of the project work the team was able to observe that the following factors drastically affected the performance of the system.
Range of transmitters: the range of motion of the system is drastically affected by the range of the RF transmitters/receivers. Greater the range better will be the reach of the system.
Frequency of IR transmitter: Infrared detectors that are used for remote controls usually work with in the range of 32 to 40 khz.
Power of motors: The motor should be powerful enough to carry the required load.
Use of CPU resources: various MCU’s provide different resources like interrupts SPI, UART etc. depending upon the range of applications. Wise use of these resources provides flexibility to the application at the same time unwise use may further degrade the system performance.
Language platform use for in system programming: The most commonly used tool for embedded programming is assembly language. While the object code of assembly occupies least space in memory and executes fastest, making complex applications is hectic and time consuming. So, for lengthy programs C may be used.
FUTURE PROSPECTS & APPLICATIONS
Pioneer exhibits the property of a superior and efficient machine. It can detect hurdle itself and take decisions, controlled from the node station.
All these features are very much needed in space and military applications. So, pioneer finds its future applications in advanced military researches as weapon detonation systems. If combined with an efficient camera and transmission mechanism, it can be converted to low cost intelligent spy system.
Mine detecting system can make it an efficient mine detecting and clearing machine which can save many lives from unpredictable mine expressions.
Also, it can help in image taking and sample collecting in space where tracks and paths are unknown.
Pioneer today displays the mechanism of a simple robotic machine but indeed encompasses in itself a wide scope and range of futuristic technological applications.
REFERENCES
Infra Red :
Basic Stamp
- Documentation for IR ranging system
www.Electronics4u.com
- Ir sensors and detector.
ATMEL :
www.Atmel.com
- Data sheets and avrasm for programming
http://www.avr-asm-tutorial.net
- Documentation on various programming modes and interrupts
Components :
http://us.st.com/stonline/books/pdf/docs/2143.pdf
- 7805 5V Voltage Regulator – TO-220 package
www.Seattleroboticssociety.com
- Various circuits
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