Research On Remote Control And Monitoring System For Coal Mine Detection Robot

With the increasing demand for coal, coal mining task is increasing more and more, which leading to the frequent occurrence of mine accidents. To the extent possible minimize the loss of the mine disaster, get the mine-site environmental conditions and casualties information in the first time after the accident and provide a reliable basis for commanders to start rescue, while reducing the occurrence of the "second event" of rescue workers.It is significant to devise coal mine rescue robot who can replace of people reach a dangerous environment. Mine Rescue Robot is a safety engineering, life engineering, it is can provide a strong guarantee for achieve sustainable development of the coal industry. Topics from the scientific and technological project in Shanxi Province, "Mine detection robot search and rescue technologies and systems research", this article of remote monitoring system is one of the key issues,which is the important safeguard to complete the important communication and control protection.The article abstract with the mature communication which used in coal mine, combined with the characteristics of the robot probe on the common underground wired and wireless communications conducted two comprehensive comparison and analysis, and through theoretical analysis and simulation of Matlab curve determine the optimal frequency radio communications underground, and then propose a technique based on ZigBee wireless sensor network with a combination of underground fiber-optic network communications design.On this basis, then solve two important factors which influence the remote monitoring system:the network delay and video capture. Transmitted through the network communication protocol selection, network transmission delay factor analysis and video compression and transmission of research, and compensation for use of links and high-frequency sampling strategies to reduce handling and eliminate delay, according to MPEG-4 standard for video image compression and supplemented by RTP / RTCP protocol to achieve its transmission, and ultimately meet the real-time detection of robot control and real-time video image capture, to achieve real-time remote monitoring and reliability purposes.Finally, start from the robot's design framework, the overall analysis of the intelligent robot up the function of each module in the Windows XP operating system, using VC++and MFC libraries with the underlying application design, and packaged into a DLL Dynamic Link Library, edited by VB well with visual interface link, and use its basic physical interface for example, conducted experiments related to remote monitoring system, establish a wireless local area network for remote video capture and control experiments, it is effective to achieve the unity of the robot hardware and software deployment and control.