Introduction of Automobile Electronic Throttle

Chapter 1 Introduction to Thread Theory 1. 1 ....................................................................................................................................................... ................................ 1 1.2.2 working principle of electronic throttle system ............................... 2 1 .2.3 Technical Status of Electronic Throttle ................................... 3 1.. 3 Problems, Difficulties and Future Development Trend ............................... 5 1.3. 1 Existing problems ............................................. 5 1.3.2 development direction. ............................................... 6 1.4 Main contents and significance of this topic ..................................... 8 Chapter II Electronic Throttle Structure 2. 1 Throttle control system ............................................. 9 2. 1. 1 traditional throttle control system ..................................... 9 2. 1 .2 Electronic Throttle Control System ....................................... 1654.38+0 2.2 Electronic Throttle Structure ............................................. 12 Chapter III Brushless DC Motor 3./ Kloc-0/ Basic Components of Brushless DC Motor ............................... 15 3.2 Working Principle of Brushless DC Motor ................................... 16 3.2. 1 Basic working principle ............................................ 16 3.2.2 Connection mode of main circuit. ........................................ 16 3.3 Speed Regulation Method ................................................... 17 Chapter IV Selection of Main Control Chip 4. 1 Chip Selection. .................................................19 4.2 Characteristics and Structure of TMS 320LF2407A DSP ............................... 20 Chapter 5 Principle Design of Main Control Module 5. 1 Overall design of main control module ............................................ 5.2 Specific circuit principle design of main control module 30 .................................... 33 5.2.1 Reset circuit ................................................. clock pulse circuit ................................................. 5.2.3 JTAG analog interface circuit 34 .......................... ............... 36 5.2.4 memory expansion circuit ............................................ 38 5.2.5 DSP power supply circuit .............................................. 4 1 5.2.6 E2PROM expansion circuit. ........................................... 43 5.2.7 CPLD expansion circuit ............................................. 43 5.2.8 reference voltage interface circuit ......................................... 45 Chapter 6 full text summary. ..................................................... 47 thanks .............................................. for 48 references. ........................................ Appendix 1: Foreign Language Translation ...................................... 5 1 Appendix II: ...................................... 55.