báo cáo thí nghiệm thực tập kỹ điều khiển tự động

Appendix part 7 Part 7.1: Step response of process curve Table 7.1: Step-response characteristics... Table 7.2: Step-response characteristics with closed loop tuning ZN-1Part 7.2: Step r

Trang 1

ĐẠI HỌC SƯ PHẠM KỸ THUẬT TP HỒ CHÍ MINH KHOA CƠ KHÍ CHẾ TẠO MÁY

BỘ MÔN CƠ ĐIỆN TỬ

Trang 2

MỤC L C Ụ

Liquid Level Control System 1

Liquid flow Control System 10

Pressure Control System 17

Temperature Control System 23

Trang 3

𝐾𝑝 Độ lợi hàm truyền tổng quát 𝜏𝑝 Thời h ng hàm truy n t ng quát ằ ề ổ 𝜃𝑝 Thời gian tr cễ ủa đáp ứng 𝐾𝑐 Hệ s khuố ếch đại P 𝜏𝑖 Thời h ng b hi u ch nh I ằ ộ ệ ỉ 𝜏𝑑 Thời h ng b hi u ch nh D ằ ộ ệ ỉ

Trang 4

Liquid Level Control System

The relationships between the identified parameters (Flow and level) are shown in

Figure Appendix A.1 and the equations (Appendix A.1)

Trang 9

Appendix part 7

Part 7.1: Step response of process curve

Table 7.1: Step-response characteristics

Trang 10

Table 7.2: Step-response characteristics with closed loop tuning (ZN-1)

Part 7.2: Step response of process curve with closed loop tuning (Cohen-Coon)

Table 7.2: Step-response characteristics with closed loop tuning (Cohen-Coon)

Trang 11

Part 7.3: Step response of process curve with closed loop tuning (Haalman)

Table 7.3: Step-response characteristics with closed loop tuning (Haalman)

Part 7.4: Step response of process curve with closed loop tuning (Direct Synthesis)

Table 7.4: Step-response characteristics with closed loop tuning (Direct

Trang 12

Part 7.5: Step response of process curve with closed loop tuning (IMC)

Table 7.5: Step-response characteristics with closed loop tuning (IMC) Setpoint change

10.1(τ) 0 663s 398.47s 9.98

30.1(τ) 0 685s 395.78s 29.96

- Nhận xét: Trong các phương pháp thì phương pháp IMC là không có độ vọt lố, thời

gian đáp ứng tương đối tốt

Trang 13

Liquid flow Control System

Appendix part 4 Table 4.1

Trang 17

Appendix part 7

Trang 18

Table 7.2: Step-response characteristics with closed loop tuning (ZN-1)Setpoint change

Part 7.2: Step response of process curve with closed loop tuning (Cohen-Coon)

Trang 19

Table 7.4: Step-response characteristics with closed loop tuning (Direct Synthesis)

Trang 20

Table 7.5: Step-response characteristics with closed loop tuning (IMC)

- Nhận xét: Trong các phương pháp thì phương pháp IMC là không có độ vọt lố, thời

gian đáp ứng tương đối tốt

Trang 21

Pressure Control System

Appendix part 4 Table 4.1

The relationships between the identified parameters (MV and pressure) are shown in

Figure Appendix A.1 and the equations (Appendix A.1)

Fig 1 The relationships between the identifide parameter (MV and Pressure)

y = 0.0062x - 0.1132

Trang 24

Table 7.4: Step-response characteristics with closed loop tuning (Direct

Trang 25

- Nhận xét:Trong các phương pháp thì phương pháp IMC là không có độ vọt lố, thời gian đáp ứng tương đối tốt.

Trang 26

Temperature Control System The relationships between the identified parameters (MV and tempature) are shown in

Figure Appendix A.1 and the equations (Appendix A.1)

Trang 28

Table 6.4: Direct Synthesis

With the desired closed-transfer function G(s) = 𝑒

Trang 29

- τc/θp > 0.8 and τc > 0.1θp (Rivera and, et al.,1986) - τp > τc > 0 (Chien and Fruehauf,1990)

- τc = θp (Skogestad, 2003)

Trang 30

Appendix part 7

Part 7.2: Step response of process curve with closed loop tuning (ZN-1)

Table 7.2: Step-response characteristics with closed loop tuning (ZN-1)

Trang 31

Trang 32

Table 7.4: Step-response characteristics with closed loop tuning (Direct Synthesis)

Table 7.5: Step-response characteristics with closed loop tuning (IMC)