Unmanned Ground Vehicle (UGV)

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CHAPTER 1 INTRODUCTION An Unmanned Ground Vehicle (UGV) is a ground based mechanical device and it can sense and interact with the environment. Unmanned ground vehicle developed for both civilian and military purpose and mainly used for dangerous and impossible to have human presence. It may replace humans in dangerous situation. UGV consists of sensors, platform, control, human machine interface, communication and system integration. A sensor used to realize its surrounding and consists of IR cameras, gas sensor, passive infrared (PIR) movement detector, ultrasonic obstacle detector and metal detector. It can sense various parameters according to the accessories attached to the UGV. Movement is controlled according to the information received …show more content…

The remote control station architecture consist of software components like display processing, control processing, system management, data management, information processing, system inspection, signal processing, tactical information and mission control for the effective control of UGV. Network based command message created by main memory database management system with 2-tier database structure. Operational Control Units (OCUs) and War fighter Machine Interfaces (WMI) design is a difficult task in terms of performance. In [2] provided guidelines for user interfaces and control hardware configurations, maintenance and physical …show more content…

It can measure static acceleration and dynamic acceleration. Angle of the device tilted with respect to the ground can be finding out by measuring static acceleration. The device movement can be analyzed by sensing the amount of dynamic acceleration. Figure 4.3 Block Diagram of ADXL335 The above block diagram consists of sensor and signal conditioning circuitry for acceleration measurement mechanism. The bandwidth selection of the accelerometer can be performed using capacitors at the XOUT, YOUT, and ZOUT pins. The output signals produced are proportional to acceleration. The sensor is a poly silicon surface micro machined structure on top of a silicon wafer. Poly silicon springs attached over the surface of the wafer and give a resistance against acceleration forces. Deflection of the system is measured by a differential capacitor. The fixed plates are driven by 180° out of phase square waves. Acceleration displaces the moving mass and unbalances the capacitor, thus produces a sensor output which is proportional to acceleration. Phase sensitive demodulation determines the magnitude and direction of the acceleration. The demodulator output is amplified and

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