The Wireless Industry Research And Design Of The Remote Control

With the rapid development of China’s modernization and the growing demand for engineering machinery, engineering machinery performance becomes very important. There are security risks in traditional control methods due to the harsh environment of the project site. So using the wireless remote control technology to achieve reliable long-range control of engineering machinery is the development tendency.Based on the characteristics of wireless remote control technology and user requirements, the paper researches and designs a universal wireless industrial remote controller. Because the engineering machinery action mistakes may cause huge losses of life and property, reliability is the most important feature of wireless industrial remote controller. The paper achieves long-range and high reliability control of engineering machinery, based on two Cortex-M3microcontroller LPC1768s,433MHz and2.4GHz dual-band wireless communication technology, error detection and correction coding method.The paper analyzes the features of wireless industial remote controller, designs the overall system architecture according to the actual needs. The remote control system is composed by the transmitter and the receiver, the transmitter sends control commands and monitors the system state, the receiver receives control commands and transmits them to the engineering machinery by the bus interface. The system uses two LPC1768as the microcontroller, then a car battery/lithium battery power conversion circuit, data acquisition circuit, Si4432and CC2500RF communication module circuit,and other peripheral circuits are designed.The paper studies the error control methods of wireless communication. Using the CRC/RS code and the address code, the wireless communication protocols are made, which enhances the anti-interference property. Then the transmitter and receiver software are designed. The whole process of software and the module subroutine are elaborated, including reliable data acquisition and wireless transceiver,the dual-CPU interaction program and so on.Finally, the paper tests and analyses the main module, verifies the practicality and reliability of the system.