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ABSTARCT: Linux PROJECTS (ARM9 / 11)

1. The Design of PC System for Mobile Robot Based on ARM9

This paper introduces a design of PC system for mobile robot based on ARM9. The hardware platform is S3C2440 from

Samsung company as processor core, expanding 256MB Nand Flash, 2MB Nor Flash, 64MB SDRAM, etc. The software

platform is embedded Linux operating system, and the design of the interface and the function of the system is based on

Qt/Embedded of Linux. The software and hardware of the system are specially designed for concrete and given application.

The experiments' results show the system is stable and reliable, with low-power, tiny-volume, high integration, and so on.

2. The design of granary environmental monitoring system based on ARM9 and ZigBee

Grain is an important strategic resource. Due to seasonal production, there are many problems in the stored procedure. Thisarticle designs an environment monitoring system of the granary combining Embedded and ZigBee wireless sensor network

technology. In the actual situation of the design, using ZigBee wireless sensor network to complete Multi-point acquisition

and transmission of environment parameters, using ARM9 to achieve precise control of the barn environment as system data

controller; and using GPRS to achieve the system's remote control, it greatly improves the flexibility and scalability of the

warehouse management.

3. Design of Embedded Control System Based on ARM9 Microcontroller

This paper mainly focuses on the design and realization of embedded control system based on ARM kernel. Firstly,

hardware structure, configuration and signal detection, processing of the control system based on ARM are described.Secondly, the system application programs, including main control program, user operation interface program, keyboard

program and development of drivers for some S3C2410X related functional modules are described. Lastly the closed-loopcontrol of parameter is achieved by way of PID and NN. As practical experience shows, after introducing the control system

into the parameter control for microbiology fermentative process, the design of the system reaches expected effect, realizes

relevant functions and shows a broad market prospect.

4. Design of embedded video capture system based on ARM9

With the rapid development of the computer, network, image processing and transmission technology, the application of

embedded technology in video monitoring is wider and wider. This design is based on S3C2440 hardware platform and

Linux operation system, it uses mesh V2000 camera for video collection, combined with V4L video interface technology

and MPEG-4 video coding and decoding and video transmission technology, aiming at design a low-cost high-performance

programe. This aticle elaborates the development process of ov511 USB camera driving in Linux operation system and the

MPEG-4 video coding technology and the network transmission realization of video data.

5. Based on embedded intelligent vehicle system

On account of the existing vehicle for using the platform of integration is limited. Besides, computing speed is not fastenough, power-hungry, and the machine's functions are not plentiful. Many of the features which the customer need for the

existing car can not be achieved on the basis of machine. With the rapid development of embedded systems applications,

this paper designs a chip based on the ARM9 AT91SAM9260 new smart car system. In this design of Intelligent vehicle

systems firstly introduces the main features and hardware architecture to achieve, and then analyzes the GPS, GPRS and

other modules, the hardware composition and theory, and finally gives the system's software program.

6. Remote video monitoring system based on embedded linux and GPS

This paper presents a design and realization method for remote video monitoring system based on embedded Linux and

GPRS (General Packet Radio Service) network. Monitor terminal hardware takes ARM9 S3C2410 processor forcentralization, in virtue of SDRAM, USB, GPRS module, etc. Software system adopts embedded linux, the main function

realized by C programming to achieve real-time camera data acquisition, image compression and network transmissionthrough GPRS module. Monitoring center receives image data and displays after connects with the terminal. It is easier to

be used in windows system. Image data can be transmitted to the monitoring center in 3-6 seconds after JPEG compression.

The results showed that the monitoring system has the advantage of high reliability, high efficiency and low cost with

ARM9 and GPRS network, and it provides a feasible method for remote video monitoring.

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7. One Vehicular Information Service System

This article deals with several kernel technologies applied in vehicle information service. The technology referring to GPS

(Global Positioning System), GPRS (General Packet Radio Service), GIS (Geographical Information System), andComputer Network etc, as we have studied, is believed to be able to construct a Vehicle Information Service System which

faces the public. Synthesizing the technologies including GPS,GPRS, GIS, image capture and compress based on ARM9processor and embedded system to establish a intelligent vehicle service model, which emphasizes U-V-S (User-Vehicle-

Server) interaction. It is a integrated application in embedded system and its application software runs on relatively real-

time and multi-mission operating systems.

8. Design and implementation of an embedded web server based on ARM

In this paper, the embedded web server, which take Samsung corporation's ARM9-S3C2440AL processor as core, is

designed, it's operating system is Linux, the system hardware architecture is presented. Then the process of the Linux

operating system being transplated on ARM is introduced. The realization of Boa and dynamic interaction between browser

and the embedded system by using CGI are especially analyzed. Finally the implemented embedded web server is tested toindicate that it responding rapidly and operates efficiently and steadily, which achieves the expectant designing purpose.

9. Study of intelligence embedded Linux surveillance system based on TCP/IP

With the development of embedded technology, developing low-cost and high reliable embedded control system has

become increasingly popular. Based on this thinking, our design is based on ARM9 platform using USB camera to get

pictures and video streaming so as to monitor the system. And widely used in anti-theft alarm system, video door phone,

etc., since low cost and high performance advantages.

10. Design and implementation of classroom multimedia teaching equipment management system based on

embedded system

The application of multimedia teaching equipment enables the teachers to use multimedia computers and other equipment

for human-machine interaction in order to complete the instruction. But the traditional manual management methods can'tachieve the self-switching of multimedia equipment reducing the efficiency of multimedia teaching. A classroom

multimedia teaching equipment management system based on embedded system with the introduction of the embedded and

wireless transmission technology is designed and implements the distributed management of the equipments. The embedded

system node installed in the multimedia device sets S3C2440 ARM9 embedded processor core as the core, works in the

environment of the Linux OS, and implements the information processed locally. The server was accompanied by Zigbee

wireless transceiver module for the use of information updating and system maintenance, so are the embedded nodes.

Practical results demonstrate that the system has the characteristic of high processing speed and favorable stability which

can meet the most of application demands and be worth popularizing.

11. Design of a VoIP Media Stream Encryption Device

The design of a VoIP media stream encryption device based on ARM9 CPU is introduced. The device can be deployedbetween the Soft Switch or IP-PBX and the VoIP terminal, dedicatedly used for the encryption/de-encryption of the VoIP

signal and the RTP voice packet. As an illustration, the encryption flow of the packet is described when the VoIP protocol is

SIP and the encryption algorithm is RC4. Then a test is implemented to compare the packet before the encryption and after

that, the effectiveness of the design is proved.

12. Embedded control system design for coal mine detect and rescue robot

The coal mine detect and rescue robot is used for detecting the explosion environment of coal mine and rescuing miners

who are trapped in the underground coal mine after gas explosion. Coal mine is a dangerous place in which many fatal

factors menace miners' life, especially when blasts occurred. Rescue crews usually don't know the actual situation of the

mine tunnel under such circumstances. Therefore it can be very dangerous for rescuers to go into mine tunnels to search

survivors without detecting environmental information beforehand. To solve this problem, the coal mine detect and rescuerobot has been developed for assisting people to do rescue work. In this paper, the implementation of embedded control




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system based on the ARM9 microprocessor S3C2410 for our coal mine detect and rescue robot is presented.

Based on the design of robot's hardware, Linux operating system is ported as the platform of the software development. The

embedded control system can achieve many tasks of the robot, such as motion control, environmental information

acquisition,communication with the remote control system and executing complex control algorithms.

13. Design and implementation of a remote video monitoringsystem based on embedded Linux

A remote video monitoring system is proposed in this paper. The system takes Samsung Corporation'sARM9 S3C2440ALprocessor as hardware core, and adopts embedded Linux as the operating system. Ordinary 300000 pixels USB camera isused as video acquisition devices. The system has the functions of video signal acquisition, compression, transmission over

the Internet for remote video monitoring. The process of the Linux operating system being transplanted on ARM is

introduced and the methods of video signal acquisition and MPEG-4 compression are discussed in detail. The system

experimental result shows that it responding rapidly, operate efficiently and steadily and can meet system requirement.

14. An application of VoIP communication on embedded system

Spurred by the remarkable development of VoIP technology, applications of real-time voice communication has come into

widespread use over the Internet. However, their over reliance on PC environment restricts the applying fields of most VoIPsoftware, and embedded VoIP is one of these blind spots. The VoIP application in this paper sets the hardware foundation on

ARM9 embedded platform, adopts SIP and RTP as the transmission protocol and employs CELP compression algorithms to

ensure the low-latency and high-quality communication. In addition, Linux operating system and ALSA device driver are

used to meet the needs of cost control and sound effects. Viewed from the experimental results, the VoIP system proves to

be successful in both its real time voice communication and overall capacity.

15. Research and Implementation of WSN in Fire Safety Applications

Applying WSN (wireless sensor networks) technology to the fire safety can actualize wireless requirement, network, and

intelligent fire monitoring. A wireless fire detection system based on WSN was described in the thesis, which can acquire

data of temperature and smoke concentration. Fire detection nodes using SOC CC2430 as the control unit to realize the

communication between nodes, the software running on the nodes applies CSMA/CA Medium Access Control protocol anda shortest path routing algorithm for data transmission in multi-hop. The Gateway is designed an implemented based on

ARM9 and Linux, which connects wireless fire detection network and the Internet, it has a strong processing, storage and

network communication capabilities. Remote users may share real-time fire parameter from Internet which connects with

the wireless fire data acquisition network through the Gateway.

16. Design of embedded Electromagnetic Data Acquisition System using LinuxRecently, in the field of geological exploration, electromagnetic instruments have been tremendous growth, but they also

have some typical shortcomings, such as big size, large power consumption, complex operation and so on. Therefore, baseon the current development of electronic technology, this paper has discussed hardware and software design of the

electromagnetic data acquisition system, which makes use of 10-bit - analog to digital converter, micro-controller, ARM9

processor S3C2440 and embedded Linux operating system. The system has high accuracy, small size and low power

consumption, can be applied to a number of occasions.

17. Database Design of embedded home gateway and webserver implementation.

The http is a tiny web server for embedded system, the entire size it consumed is 14KB only. httpd is HTTP/1.1 compliance,GET/POST method, keep alive connection and flow control support. For computer programmer, httpd is easily for reuse

because of its structure is simple. In this paper, we introduce the means of bundling httpd to make a new web page, by just

adding the required functions. This makes the static web page development on embedded system not only simple but also

efficient than other web server.

18. ARM9 embedded system of the image acquisition and processingIt is a new system that established on the platform of the ARM9 and ZC301 camera. It can capture images by line analysis.

In order to obtain reliable and efficient image recognition results, an ARM9 hardware platform for the image recognition


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