فهرست:
چکیده
فصل اول: مروری بر مطالعات انجامشده
مقدمه
1-2- پژوهشهای انجامشده بر روی مبدلهای ِDC_DC
فصل دوم:معرفی چاپر
2-1- مقدمه
2-2- کنترل مبدلهای dc-dc
2-3- مبدل کاهنده
2-3-1- مد جریان پیوسته
2-3-2- مرز بین هدایت پیوسته و ناپیوسته
2-3-3- مد هدایت ناپیوسته
2-3-3-1- مد هدایت ناپیوسته با ثابت
2-3-3-2- مد هدایت ناپیوسته با مقدار ثابت
2-3-4- ریپل ولتاژ خروجی
فصل سوم:کنترل حالت لغزشی
٣١ مقدمه
3-2- کنترل ساختار متغیر
3-3- کنترل حالت لغزشی
3-3-1- مرحله رسیدن
3-3-2- مرحله لغزش
3-3-3- مزایا و معایب کنترل حالت لغزشی
3-4- بررسی اثر تأخیر
3-5- بررسی وزوز
3-5-1- روش لایه مرزی
3-5-2- روش لایه مرزی تطبیقی
3-5-3- روش مبتنی بر رؤیتگر
3-5-4- کنترل حالت لغزشی مرتبه بالا
3-5-5- روشهای هوشمند
3-6- نتیجه گیری
فصل چهارم: شبیهسازی مبدل باک
4-1- شبیهسازی مبدل باک درنرمافزار متلب
4-1-1- نقش مدار LCدر فیلتر کردن هارمونیک ها
4-2- مدار باک با حلقه فیدبک
4-2-1 شبیه سازی مبدل باک با کنترلر PI :
4-2-1-1- ترم تناسبی کنترل کننده PID
4-2-1-2- ترم انتگرال گیر
4-2-2- شبیه سازی مبدل باک با کنترلر SMC
4-2-2- 1- مدل سازی مبدل باک :
4-2-2- 2-مدل فضای حالت مبدل باک :
4-2-2- 3-کنترل مد لغزشی مبدل باک (Sliding mode control) :
4-2-2- 4- تئوری کنترل لغزشی :
4-2-2- 5- توضیح فایل شبیهسازی
4-2-2- 6-نتایج شبیه سازی:
4-2-2- 7-نکات :
4-3- نتایج شبیه سازی PISMC
4-4- مقایسه جریان سلف و ولتاژ خروجی مبدل باک با کنترلرهای PI و SMC وPISMC :
4-5- مقایسه ولتاژ خروجی مبدل باک با کنترلرهای PI و SMC وPISMC در مقابل تغییرات ناگهانی بار:
پیوست
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