This paper presents a new ARM+GPRS structure which can apply in the orchard soil information collection and transmission. It is a design of data acquisition and wireless transmission control system based on ARM9 with a microprocessor chip S3C2410, it is used for orchard soil realtime acquisition, data transmission and control between upper and lower computers through GPRS module. It describes that how the hardware platform works and how to accomplish the design by software. The hardware platform consists of core processor, orchard soil data acquisition module and GPRS communication module. It has been proved by experiments that the system has features of small size, high performance, real-time and low-cost.
To grasp monorail car's position and speed information in time used in orchard yard, this article introduce a GPRS communication technology for wireless location and speed measurement. ARM9 microprocessor is selected as a remote controller, a rotary encoder is used for providing with car's position and initial speed information. The design, which uses GPRS technology to accomplish wireless data transport and control, represents software design and hardware design. It is proved to be available by consequence.
The pilotless fruit-transportation gyrocar works in the economic forest, avoiding the obstacle on the rail is the prerequisite of its safe working. An ultrasonic obstacle avoidance system of fruit-transportation gyrocar based on ARM embedded system is introduced in this article. The functions of the system are implemented. It could make the gyrocar stop when detect an obstacle and sends the information of obstacle to the monitoring client through GPRS. Through the test, the ultrasonic obstacle avoidance system performs well and reliable.
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