基于WLAN的移動機器人嵌入式遠(yuǎn)程運動監(jiān)控系統(tǒng)設(shè)計
[Abstract]:With the development of robot technology, robot remote control technology is not only used in military field, but also widely used in daily life, especially in the field of dangerous environment operation. Such as nuclear radiation environment monitoring, explosion, space search and so on. In recent years, the rapid development of Internet technology makes the combination of network technology and robot technology become a new research hotspot, and the development of embedded technology becomes the link between the two. Based on the characteristics of embedded platform and the functional requirements of mobile robot remote control, this paper proposes a scheme of mobile robot remote control based on embedded microprocessor and Linux operating system. In this scheme, the camera transmits the collected image data to the microprocessor, which is compressed and transmitted to the host computer via wireless network. The upper computer displays the image information through the man-machine interface. Operators judge the current environment of the robot according to the video picture and issue control instructions to the robot. In this paper, the driving of mobile robot's underlying equipment in Linux system and the network communication between mobile robot and remote PC are studied, and the remote control of the robot is carried out through wireless LAN. The simulation experiment platform is built, the data transmission between the robot and the upper computer and the robot movement control are experimented. The experimental results show that the system achieves the required communication and control functions. Because the existence of network delay has a negative effect on the remote control of mobile robot, this paper first uses BP neural network to predict the delay value, and then uses the Smith compensator to compensate the control error caused by the network delay. The simulation results show that the proposed control method is effective. The content of this paper is as follows: firstly, the research background and significance of this topic are described, and the development of mobile robot monitoring technology at home and abroad is summarized. Secondly, the principle and control technology of robot remote communication are introduced, and the hardware design of mobile robot is discussed. Then, the programming and transplanting in cross compiling environment are analyzed, the design of driver and control program and the design of monitor interface of upper computer are introduced. The fourth chapter introduces the experimental process of the system and gives the experimental results. In chapter 5, the network delay prediction method based on BP neural network is discussed. The model of time-delay control system with Smith compensation is set up in Simulink, and the simulation experiment is carried out.
【學(xué)位授予單位】:南華大學(xué)
【學(xué)位級別】:碩士
【學(xué)位授予年份】:2012
【分類號】:TP242;TP368.1
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