PIC18F450 Microchi 8bit18F450 / (I/O) (PWM) / (A/D) (Reet) (Interrut) / (Timer) 1 PIC18F450 1 PIC18F450 40MHZ (by

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1 Deign and Imlementation of an Engine Igniter for Hybrid Electric Vehicle * Chih-Lung Shen Yu-En Wu Fu-Yuan Chuang De-Ming Rho Cheng-Tao Tai Deartment of Electronic Engineering, National Kaohiung Firt Univerity of Science and Technology Kaohiung, Taiwan, R.O.C. Tel ext.515 Fax clhen@nkfut.edu.tw : Abtract In thi aer an engine electric ignition ytem for hybrid electric vehicle i reented. The ytem comrie a flyback converter, a voltage-accumulated caacitor, a PIC-baed controller, a differential voltage detection circuit, and a high-voltage imule tranformer to contruct non-contact tye electric igniter. Since the electric ignition ytem adot a voltage-accumulated caacitor dicharging energy to erform igniting for engine intead of traditional contact-tye aroach, it enhance the ignition ability of ark lug ignificantly. A a reult, combution efficiency i romoted, fuel conumtion i aved, and exhaut emiion i reduced. The ignition ytem i good for fuel efficiency and CO reduction, leading to be an environmentally friendly roduct. The ytem controller of the igniter i imlemented on a ingle chi, which lower dicrete comonent count, reduce ytem volume, and increae reliability. In addition, the ignition timing can be rogrammed o that a timing regulator can be removed from the rooed ytem, imlifying it tructure. To verify the feaibility of the ytem, key waveform are meaured and real-car exeriment i erformed a well. Keyword: engine ignition ytem, flyback converter, combution efficiency, and oil conumtion. I. * Deartment of Electrical Engineering National Chin-Yi Univerity of Technology Taichung, Taiwan, R.O.C. Tel: ext.740 cttai@ncut.edu.tw [1]-[16] [17]-[0] : II. 1 SCR 0kV (CDI) [1]-[11]

010 1 3-4 3 3 10 10 10 10 4 4 PIC18F450 Microchi 8bit18F450 / (I/O) (PWM) / (A/D) (Reet) (Interrut) / (Timer) 1 PIC18F450 1 PIC18F450

2 PIC18F450 Microchi 8bit18F450 / (I/O) (PWM) / (A/D) (Reet) (Interrut) / (Timer) 1 PIC18F450 1 PIC18F450 40MHZ (byte) CCP (byte) CCP 1 EEPROM 56 (byte) MSSP 0 PSP Port:A,B,C,D,E AD 13 Channel III. 5 CCM() DCM( ) DCM[1]

010 1 3-4 SW SCR 7 1 6(a) L m C R 6(b) C SW ON L m 3 L m D 1 D C di C di D C 6(c) 4 L m C di 6(d) 5 C di 00V C di SCR 6(e) 6 SCR C di 6(f) 7 6(g) (d)

3 SW SCR 7 1 6(a) L m C R 6(b) C SW ON L m 3 L m D 1 D C di C di D C 6(c) 4 L m C di 6(d) 5 C di 00V C di SCR 6(e) 6 SCR C di 6(f) 7 6(g) (d) (e) (f) (g) (a) (b) (c) (a) 1 (b) (c) 3 (d) 4 (e) 5 (f) 6 (g) 7 N n N T DDCM n Vo LB 1 D T (1) Io V o I o L B DCM L L B L L B CCM DCM 1 V I () L V

010 1 3-4 1 V P VI (3) L 14 L 1 V (4) P D(1) DCM

4 V P VI (3) L 14 L 1 V (4) P D(1) DCM L L <L B ηp o P = P o /η (4) 3 (50V/div; 5m/div) 7 : 48V 50 khz 00 V 5 W (5kV/div; m/div) 8 85% 0 kv 3 : 9 N 1 N (L 11 ) (L ) 57N 7N uH 9.1mH C di 00 SCR m 00V (50V/div; 0m/div) 10 (50V/div; 0µ/div) 11

010 1 3-4 (5kV/div; 50m/div) 1 (5kV/div; 500µ/div) 13 14 V.

[16] 1980 [17] Yohino H, Sato, K, Tomago A, and Yamauchi I, Develoment of a Corona Dicharge Detector for Flyback Tranformer, IEEE

A and Hueltein J-J, Multicell Interleaved Flyback Uing Intercell Tranformer, IEEE Tranaction on Power Electronic, Set. 007, Vol. Iue 5,.

van Zoet, VLSI Deign and Alication of a High-Voltage-Comatible SoC ASIC in Biolar CMOS/DMOS Technology for AC DC Rectifier, IEEE

5 (5kV/div; 50m/div) 1 (5kV/div; 500µ/div) V. [5] ( ) 1991 [6] () 1991 [7] () 1985 [8] [9] () 1984 [10] () 007 [11] () 007 [1] PIC PIC16F [13] PIC 009 [14] 006 [15] 006 [16] 1980 [17] Yohino H, Sato, K, Tomago A, and Yamauchi I, Develoment of a Corona Dicharge Detector for Flyback Tranformer, IEEE Tranaction on Conumer Electronic, Feb. 1977, Vol. CE-3 Iue 1, [18] Foret F, Laboure E, Meynard T.A and Hueltein J-J, Multicell Interleaved Flyback Uing Intercell Tranformer, IEEE Tranaction on Power Electronic, Set. 007, Vol. Iue 5, [19] W. Langelag, R. Pagano, K. Schetter, A. Strijker and A. van Zoet, VLSI Deign and Alication of a High-Voltage-Comatible SoC ASIC in Biolar CMOS/DMOS Technology for AC DC Rectifier, IEEE Tranaction on Indutrial Electronic, Oct. 007, Vol. 54, Iue 5, [0] P. Paanikolaou and E.C. Tataki, Minimization of Power Loe in PFC Flyback Converter Oerating in the Continuou Conduction Mode, N. IEE Proceeding - Electric Power Alication, July 00, Vol. 149, [1] 005 [1] 1991 [] 005 [3] 1994 [4] ( 1 )

Y m G C I IMC C II IMC R Y = + C I IMC F f G - G^ + - F f G^ C I IMC D + C I IMC F f G - G^ 9 D() R() C IMC() Ⅱ CIMC() U() Ⅰ G() Y() Y m() - G

Y m G C I IMC C II IMC R Y = + C I IMC F f G - G^ + - F f G^ C I IMC D + C I IMC F f G - G^ 9 D() R() C IMC() Ⅱ CIMC() U() Ⅰ G() Y() Y m() - G 4 ELECTRI C MACHINES AND CONTROL Vol. 4 No. Jan. 2. 22 2. 28 TM 92 A 7-449X - 6- Three-degree-freedom internal model dynamic decoupling control of ynchronou motor ZHU Xi-rong ZHOU Yuan-hen FU Xiao 2. Department