Hazardous Gas Detecting Method Applied in Coal Mine Detection Robot

Introduction of embedded:
Embedded system debugging involves more conceptual layers of a target system than debugging for time-sharing systems. Consider the case of debugging a C program within a time-sharing system. User-debugger interaction occurs almost entirely at a C language level of abstraction. Descent into assembly language and machine code representations of a target program is rare. Suspicions about a compiler bug may require inspection of generated assembly code
About robotics
            A robot is a mechanical intelligent agent which can perform tasks on its own, or with guidance. In practice a robot is usually an electro-mechanical machine which is guided by computer and electronic programming. Robots can be autonomous or semi-autonomous and come in those two basic types: those which are used for research into human-like systems, such as ASIMO and TOPIO, as well as those into more defined and specific roles, such as Nano robots and Swarm robots; and helper robots which are used to make or move things or perform menial or dangerous tasks, such as Industrial robots or mobile or servicing robots.
Proposed system:
            Here, in this project using zigbee technology the details gets communicated and so we can identify the situation happening under the ground. This robot can go into explosion environment and detect gas content and hydrologic. Here using CCTV the images are captured in the coal mine and monitored in the display unit. The gas and hydrologic details are sensed through corresponding sensors, and fed through ADC to the microcontroller unit. Microcontroller unit, in turn sends that digital data to control section through zigbee communication. In the control section, according to the sensor details the robotic movement is done through keypad unit, using the microcontroller the keypad inputs are taken as input and that corresponding details are sent through zigbee communication. According to the keypad input received the robot is controlled by microcontroller in the robot section. In order to control the motors used in the robot, we use relays in the robot section, relays are nothing but the electromagnetic switch, which activates the motors according to the given input from the microcontroller.
Hardware Requirements:
Ø  8051 Microcontroller
Ø  Keypad
Ø  Hydrologic  and Gas Sensor
Ø  Zigbee Transceiver
Ø  CCTV
Ø  LCD and Buzzer
Ø  Relay Driver
Ø  Robot Mechanism

Software Requirements:
Ø Embedded C
Ø Keil C Compiler


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