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Tiêu đề Thiết Kế Hệ Thống Điều Khiển Screw Gear Drive 3
Tác giả Nguyễn Thái Sơn
Người hướng dẫn PGS.TS Hoàng Vĩnh Sinh
Trường học Trường Đại Học
Chuyên ngành Cơ Khí
Thể loại Đồ Án Tốt Nghiệp
Năm xuất bản 2019
Thành phố Hà Nội
Định dạng
Số trang 15
Dung lượng 2,35 MB

Nội dung

Thiết kế hệ thống điều khiển Screw gear drive Giảng viên: PGS.TS Hoàng Vĩnh Sinh Sinh Viên: Nguyễn Thái Sơn MSSV: 20198524 Cấu tạo Mơ -đun bình thường MN = mm + Bánh răng: - góc xoắn B1 = 30 độ, hướng quay trái - Số Z1 = 15 - Đường kính D1 = 34,64 mm + Bánh xe: - góc xoắn B2 = 30 độ, hướng quay trái - Số Z2 = 30 - Đường kính D2 = 69,28 mm Tỷ lệ vận tốc: I = Z2/Z1 = D2/D1 = Góc trục bánh E = B1 + B2 = 60 độ Các trục bánh xe không song song bánh xe tham gia vào bánh cạnh đối diện chọn thép C45 làm vật liệu Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3 Bánh Z15 • Lực : F = 100 N • Khối lượng : = 12.086 g Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3 Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3 Bánh Z30 • Lực : F = 100 N • Khối lượng : = 27.666 g Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3 Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3 Ổ Bi • Chọn d=20mm => =650 Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3 Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3 Tính độ cứng, khối lượng hệ số giảm chấn • Độ cứng hệ Do hệ nối tiếp nên độ cứng hệ tính sau: • Tổng khối lượng hệ 12.086 + 2x27.666 = 0.067kg • Hệ số giảm chấn hệ Tra bảng vật liệu thép C45: 0,57 Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3 Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3 Tính hàm truyền hệ Phương trình Newton: Thay m, b, k vừa tính trên: Với m tổng khối lượng hệ b hệ số giảm trấn hệ k độ cứng hệ Laplace vế để thu hàm truyền: Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3 Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3 Khảo sát ổn định hàm truyền Nhập vào hàm truyền matlab Đồ thị biểu diễn hàm truyền: nyquist(G)  Xét đồ thị không qua điểm (-1,0) -> Hàm truyền ổn định Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3 Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3 Mô simulink Khi không sử dụng điểu khiển pid 𝑣 𝑖 ℎ 𝑚 𝑡𝑟𝑢𝑦 ề 𝑛 𝐹 ( 𝑡 )= 067 𝑠 +0 17 𝑠+0 367 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Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3 Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3 Mô simulink Khi sử dụng điểu khiển pid 𝑣 𝑖 ℎ 𝑚 𝑡𝑟𝑢𝑦 ề 𝑛 𝐹 ( 𝑡 )= 067 𝑠 +0 17 𝑠+0 367 Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3 Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3 Mô simulink Sử dụng tune để tìm hệ số Kp Ki Kd Kp = 0,7768 Ki = 1,082 Kd = 0,1374 Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3 Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3 Mô simulink Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3 Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3Thiet.ke.he.thong.dieu.khien.screw.gear.drive.3 THANK YOU ! 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