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HCMC UNIVERSITY OF TECHNOLOGY AND EDUCATION FACULTY OF VEHICLE AND ENERGY ENGINEERTING DEPARTMENT OF AUTOMOTIVE ELECTRONIC STUDYING AND DESIGNING FUEL MONITORING SYSTEM Instructor: PhD Lê Thanh Phúc Students: Phạm Tinh Khơi 14145125 Trần Đình Qn 14145219 HCM, July 28th, 2018 CONTENT CHAPTER OVERVIEW CHAPTER THEORY OF THE FUEL MONITORING SYSTEM ON VEHICLE CHAPTER MODEL AND CONTROL CIRCUIT CHAPTER MEASUREMENT AND TESTING THE CIRCUIT CHAPTER CONCLUSION CHAPTER 1: OVERVIEW 1.1 Project target CHAPTER 1: OVERVIEW 1.2 Research objectives and tasks  Design the model  Connect model to the electronic parts  Combine with module GSM to send sensor data to web server  Keep on developing for teaching purpose CHAPTER 1: OVERVIEW 1.3 Researching methods  Search on the internet and read from documents  Consult from instructor and friend for help  Try different measurement methods  Experience and examining to reach acceptable measurement precision  Do examples on posting data to web server CHAPTER 1: OVERVIEW 1.4 Project limitations  Understand the operation principle of the device and modules  Build the model  Program ARDUINO and design MATLAB GUI CHAPTER 2: THEORY OF THE FUEL MONITORING SYSTEM ON VEHICLE 2.1 Capacitive level meter and Dinel CLM–40 CHAPTER 2: THEORY OF THE FUEL MONITORING SYSTEM ON VEHICLE 2.1 Capacitive level meter and Dinel CLM–40 Dinel CLM–40 structure  electrode connected to circuit  wire: VCC, GRD and signal  SET button on circuit CHAPTER 2: THEORY OF THE FUEL MONITORING SYSTEM ON VEHICLE 2.1 Capacitive level meter and Dinel CLM–40 Dimension CHAPTER 2: THEORY OF THE FUEL MONITORING SYSTEM ON VEHICLE 2.1 Capacitive level meter and Dinel CLM–40 Parameters Input voltage – 36V Output voltage – 10V Consumption current 3,75  20,5 mA Output current – 20mA Resistance Rz ≤ (U - 9) / 20,5 (kΩ; V) Nolinearity Max 1% Ambient temperature range -40 – 85oC Weight (exclude electrode) Approx 0.3kg 10 CHAPTER 2: THEORY OF THE FUEL MONITORING SYSTEM ON VEHICLE 2.1 Capacitive level meter and Dinel CLM–40 Operational principles C: Capacitance ξ: Permittivity of free space d: Distance between plates S: Area of the plates 11 CHAPTER 2: THEORY OF THE FUEL MONITORING SYSTEM ON VEHICLE 2.2 Adruino Uno R3 Adruino Uno R3 Diagram 12 CHAPTER 2: THEORY OF THE FUEL MONITORING SYSTEM ON VEHICLE 2.2 GPRS/GSM SIM900A Module GPRS/GSM SIM900A Module Parameters  Input voltage: 5V  Recommended current: 2A  Ambient temperature range: -40 - 85 °C  AT command (SIMCom SIM900_AT Command Manual_V1.03)  Size: 24 x 24 x mm  Weight: 3.4g 13 CHAPTER 2: THEORY OF THE FUEL MONITORING SYSTEM ON VEHICLE 2.2 GPRS/GSM SIM900A Module GPRS/GSM SIM900A Module Diagram 14 CHAPTER 3: MODEL AND CONTROL CIRCUIT 3.1 Fuel tank model 15 CHAPTER 3: MODEL AND CONTROL CIRCUIT 3.2 Connection diagram 16 CHAPTER 3: MODEL AND CONTROL CIRCUIT 3.3 Adruino Uno R3 communicate with MATLAB GUI MATLAB Graphical User Interfaces 17 CHAPTER 3: MODEL AND CONTROL CIRCUIT 3.3 Operate SIM900A Module with AT commands 18 CHAPTER 4: MEASUREMENT AND TESTING THE CIRCUIT 4.1 Experiment fuel measure Measure fuel level Results of each level of fuel Resolution of device 19 CHAPTER 4: MEASUREMENT AND TESTING THE CIRCUIT 4.2 Experiment post data to web sever 20