| At p re s ent, ou r co unt ry’s t otal holdi ngs of mot orc yc le rea ched 11 2 mill i o n. There are man y nor ma l c arb uret or motor cycl es in our co unt ry and t he e lectric mo t orc yc le is not pe rfe ct. A l arg e numb er o f exha ust e mission s c au s ed ser iou s po llut io n to the env ir onment. A nd o ur cou nt ry’s o il c onsumpt io n is smal l but a lar ge output, s o th e el ect ric motor cy cle is th e f ut ure trend of deve lo pment, whic h i s to pr ot ect the env ir onment and mit ig ate th e en erg y crisi s ha s pla yed a posit ive rol e.In th is pa per, we ma ke a br ie f int rodu cti on of dome s t ic and forei gn mot orcyc le emissi ons re gul ati ons, an d i nt r odu ce the b asi c pri nc ip le s of domesti c an d fo r eign mot orcyc le ele ct ron ic con tr ol of the p roc ess a n d motor cycl e en gi ne c ont rol syst em and con sti t ution. I n ord er to achie ve the t heo ry pa ramete r ext ra cti on o f mot o rc yc le and t h e ac tu al opera ting paramet er measu re me nt of mot orcyc le, we shou ld mod ify the o rdina ry CG 125 motor cycl e eng ine to ach ieve th e el ec tr onic con tr ol. Thi s w ork inc lu des the el ect ronic co nt rol systems and th e sensor s c hoose. The elec tr oni c con tr ol s yst em s incl ude t he fu el inj ec tion sy s tem, t he igni t ion system, the air fee d syste m an d the fu el su ppl y s yst em; Th e senso rs inclu de the cranksh aft posi tion se nsor, the int ake air te mperat ure a nd the bo dy te mpera tu re se nsor, t he thr ot tle posit io n se nsor an d the batt er y volt ag e sensor.In t his pa pe r, we desi gn a syste m that c an be e xtr ac t t he theor y parame ter a nd measur e the a ctua l ope rati ng par amet er in the s ame co ndi tion. The ha r dwar e in cl udes the dua l- port RAM IDT71 32, the s eria l c ommun icati on ch ip MAX232, the MP42 4data acquisi tion c ard a nd two high- pe r forma nc e PC. We use the Lab VI EW to wr ite t h e extracti on a nd t he si gna l ac qui s iti on and pr ocessi ng sof twa re tha t are used to ext ra ct the t heo ry par amet er s and th e wo rki ng pa r ameter s and me asur e th e actu al o per ati ng par ameter s. The the ory pa ra mete rs and t he me asu re d parame ters in clude the ignit io n ti mi ng, th e fuel inje cti on tim ing, the inje cti on pulse width and t he cl os in g time; T h e w o rking pa ramete r s inc lu d e the engine speed, the inta ke air te mpera tu re, the bod y te mperat ure, the b attery vo ltag e and the thro ttl e ope ni ng. T his syst em c an sim ulta ne ousl y ext ract t he the ory pa ra mete rs and me asu re the actua l opera ting par ameter s a t the ar bi tr ar y c ondit io ns. At last we can anal yz e the both paramet er s.The y wer e co mpared we ll, t he differe nc e is v er y s mall. It ind icate s tha t the sy ste m of the ext ra cti on and the ac tual mea s urem en t de s ign s mo re perfec t. |
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