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Research and Design of Sensor Subsystem of AutoPilot for Unmanned Aerial Vehicle

Author: WuRenGeRiLe
Tutor: LiJian
School: Inner Mongolia University of Technology
Course: Computer Applications
Keywords: Small UAV Pressure altitude Airspeed Inertial measurement unit
CLC: V279
Type: Master's thesis
Year: 2009
Downloads: 401
Quote: 1
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Abstract


Small UAVs are being increasingly wide range of applications , its flight control technology research applications at home and abroad has become a hot spot . Altitude, airspeed , attitude and position , heading a small UAV flight control parameters , the study of these key technical issues involved in the parameter acquisition and data processing hardware and software design methods , control of small UAVs flying systems engineering research and development and practical application of great significance . This article discusses the characteristics of a typical product of the domestic and international small UAVs and flight control systems technology application and development status and autopilot technology . In-depth analysis to study the basic functional structure of the sensor to meet the needs of small UAV applications subsystem implementations , data acquisition and processing method of the critical flight parameters , discussed the principle of measurement and calculation of the pressure altitude and airspeed sensors election key technical issues and factors affecting measurement accuracy and solution approach . The paper discusses in detail the program, a small unmanned aerial vehicles to meet the demand for practical application of sensor subsystem design thinking and design process . Systems to high - performance mixed-signal microcontroller C8051F121 as the core ; aerostatic by the integrated the pressure sensor MPXA4115A SM5852 and integrated temperature sensor AD592CN get , dynamic pressure and temperature , pressure altitude and airspeed after treatment ; through μblox LEA-5S GPS The module ground speed and position data for pitch, roll and attitude information ; inertial measurement unit ADIS16354 . The processed data can be transmitted through the SMBus to the flight control subsystem UART via wireless data transmission station sent to the ground station by telemetry data as a control parameter , and packaged into a package . Papers on measurement acquisition the unit sensor or module interface circuit design problems , as well as analog data acquisition and processing procedures , the GPS packet receive data extraction program , remote the GCS telemetry data packet format and transmission control procedures and GCS command receiving program design ideas and program flow discussed in detail . And the design of the overall schematic and PCB diagram .

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CLC: > Aviation, aerospace > Aviation > Various types of aircraft > Unmanned aircraft
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