Luận án Nghiên cứu giải pháp điều khiển hệ thống treo bán tích cực bằng ánh xạ bảng

Hiện nay, với sự kết hợp của nhiều lĩnh vực khoa học, sự phối hợp chặt
chẽ giữa các ngành công nghiệp, các kỹ thuật khác nhau như: Công nghệ chế
tạo, công nghệ vật liệu, công nghệ thông tin, kỹ thuật điện - điện tử, kỹ thuật
điều khiển, kỹ thuật tự động hóa và khoa học toán… các nhược điểm khó khắc
phục của HTT bị động đã dần được giải quyết và cải tiến tốt hơn thông qua việc
áp dụng các HTT bán tích cực và HTT tích cực. Các phương pháp điều khiển
được áp dụng đa dạng hơn như phương pháp điều khiển tối ưu, điều khiển thích
nghi hay điều khiển bền vững.
Một HTT bao gồm bốn phần tử chính được kể đến là: phần tử đàn hồi,
phần tử giảm chấn, phần tử hướng và phần tử ổn định. Trong đó, bộ phận dẫn
hướng xác định động học chuyển động bánh xe, và truyền các lực kéo, lực
phanh, lực bên và các mô men phản lực của chúng lên khung hoặc vỏ xe; phần
tử ổn định có vai trò tăng độ ổn định của xe trong quá trình di chuyển trong
trường hợp HTT của 1 bánh xe được kích hoạt, hai phần tử này trong nhiều
nghiên cứu đã cho thấy vai trò của nó tác động đến độ êm dịu chuyển động là
không đáng kể. Các nghiên cứu về điều khiển HTT tập trung vào việc tác động
thay đổi hai phần tử chính là phần tử đàn hồi và phần tử giảm chấn nhằm mục
đích đưa các đặc tính của chúng đáp ứng nhanh và tốt nhất khi có các tác nhân
bên ngoài tác động. 
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  3. 284 14773,0.0213745,0.777596,0.793572 14842,0,-0.648867,-0.494717 14912,0.00919867,-0.182363,-0.204235 14774,0.0211623,0.770783,0.789037 14843,0,-0.665468,-0.52054 14913,0.00971726,-0.161162,-0.182255 14775,0.0207617,0.763416,0.783675 14844,0,-0.681648,-0.546084 14914,0.0105274,-0.140717,-0.160521 14776,0.0200489,0.75556,0.77748 14845,0,-0.697392,-0.571212 14915,0.0115093,-0.120911,-0.138974 14777,0.019175,0.747256,0.770414 14846,0,-0.712683,-0.595803 14916,0.0125342,-0.101665,-0.117526 14778,0.018346,0.738529,0.762413 14847,0,-0.727519,-0.619747 14917,0.0135075,-0.0829287,- 14779,0.0177438,0.7294,0.753416 14848,0,-0.74192,-0.642947 0.0960769 14780,0.0175505,0.719903,0.743405 14849,0,-0.755922,-0.665317 14918,0.0143797,-0.0646123,-0.07454 14781,0.0177214,0.710091,0.732423 14850,0,-0.769559,-0.686783 14919,0.0151251,-0.0465252,- 14782,0.0180728,0.700033,0.720564 14851,0,-0.782835,-0.707279 0.0528484 14783,0.0184482,0.689799,0.707956 14852,0,-0.79572,-0.726753 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  4. 286 HỒ SƠ THIẾT KẾ CƠ KHÍ MÔ HÌNH THÍ NGHIỆM
  5. 316 Hình ảnh nghiên cứu sinh giải thích thí nghiệm Hình ảnh tổng kết buổi trình bày thí nghiệm trước các nhà khoa học.