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The Design and Implement of Wireless Remote Control Car System Based ARM9

Author: WangShaoKun
Tutor: ZhaoHongWei
School: Jilin University
Course: Software Engineering
Keywords: Embedded Development Remote control car SCM technology Qt application development ARM9 WIFI Gesture recognition
CLC: TP242
Type: Master's thesis
Year: 2011
Downloads: 349
Quote: 1
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Abstract


While ensuring wireless remote control cars usually use microcontroller to control the robot, microcontroller bare metal restricted by hardware characteristics, difficult to meet a lot of complex control system real-time view of this, this article is based on the powerful, the interface the ARM9 processor architecture and embedded Linux system, wireless remote control cars and versatility to optimize and improve. Due to a lower frequency of embedded remote control robot processor, memory space is limited hardware resources in the entire process of intelligent control pressure. ARM9-based wireless remote control car system is relying on the PC as an operational decision-making centers, communication mobile intelligent robots through wireless communications technology and remote control cars. Designed to take advantage of the strengths of the operating system, device management and resource scheduling, and control the decision-making center of gravity shifted to the computer system hardware and software resources, cleverly compensate for the disadvantages of a lack of hardware resources, reasonable distribution of hardware and software resources utilization efficiency. Use in embedded wireless remote control car remote control car use Linux based the S3C2440 microcontroller Mini2440 development board, as ARM9 development version of the operating system, loaded USB camera with the Vimicro ZC0301 image processing chip, TP-Link USB wireless card basic sports action and motion control circuit, it has the image data collection capabilities, data pre-processing capabilities, wireless transmission capability, multi-tasking capabilities, can do to move forward, turn left, turn right, and receding. The wireless remote control cars with high scalability, a rich interface, additions to the corresponding function at any time in the appropriate use sensors or peripherals; wireless remote control car to maximize performance advantages in the case of limited hardware resources, complex smart control, and under the pressure of the high amount of data a certain degree of robustness and fault tolerance. Wireless remote control function on the remote control car can be connected through a wireless Internet device to the Internet, and the PC console through the specified IP interconnection. This solves two problems, controlled distance, and through the Internet can be a great expansion of remote control cars controlled range, as long as when Internet coverage through the application of the TCP / IP protocol to control a remote control car. Second, multiple remote control car can be controlled through the console. This greatly increases the value and scope of application of the use of a wireless remote control car. PC console software system is developed based on the Linux operating system, and using the QT SDK. Console Yungong control, remote control car image acquisition and control, information processing, decision-making control and GUI man-machine interface. Actual data test, after the integration of software and hardware systems, optimized according to the actual situation of the entire system the ability to capture, information processing capabilities. The final design of the gesture recognition, the validation of the success of the wireless remote control car design, wireless remote control car can be collected video information is sent to the console via wireless transmission, after PC, the decision-making process to produce the corresponding instruction, car remote control. The whole identification process is only 1.52 seconds, with soft real-time. However, there are large scalable wireless remote control car space, there is still surplus interface with surplus processing capacity, the gesture recognition algorithm is too simple, the recognition rate is still relatively low, there is a lot of room for optimization, reliable communication in wireless transmission The range can also be expanded. In short, wireless remote control car system platform for the development is only a start, it also did not the end, need further painstaking research and bold innovation, false in time for wireless remote control car systems carry out improvements and enhancements, its application prospect and reality of value given will completely show out .

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CLC: > Industrial Technology > Automation technology,computer technology > Automation technology and equipment > Robotics > Robot
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