표제지
초록
Abstract
목차
제1장 서론 14
1.1. 연구 동향 14
1.2. 연구 필요성 및 목표 16
제2장 엔진 모델 선형화 18
2.1. 선형 상태 공간 모델 정의 18
2.2. 선형 상태 공간 모델 산출 20
2.2.1. 상태 공간 모델 검증 - Case #1 25
2.2.2. 상태 공간 모델 검증 - Case #2 26
2.2.3. 상태 공간 모델 검증 - Case #3 27
2.2.4. 상태 공간 모델 검증 - Case #4 28
제3장 모델 예측 제어기 설계 29
3.1. 엔진 모델 이산화 29
3.2. 고장 민감도를 고려하지 않은 MPC 설계 31
3.3. 고장 민감도를 고려한 MPC 설계 35
제4장 고전적 엔진 제어기 설계 38
4.1. Min-Max Limit 제어기 38
제5장 엔진 고장 관측 기술 41
5.1. UIO(Unknown Input Observer) 설계 41
5.2. UIO 시뮬레이션 결과 43
제6장 엔진 제어 시뮬레이션 47
6.1. 시뮬레이션 개요 47
6.2. 시뮬레이션 결과 48
6.2.1. 선형 모델 시뮬레이션 결과(Case 1~8) 50
6.2.2. 비선형 모델 시뮬레이션 결과(Case 9~16) 58
제7장 결론 67
참고 문헌 69
Table 1. Health Parameter Definition 19
Table 2. Flight Conditions of Operating Point 21
Table 3. Perturbation Magnitude 23
Table 4. Linearization Simulation Cases 24
Table 5. Error of Simulation Result 24
Table 6. Cases of Observer Simulation 43
Table 7. Simulation Scenario 48
Figure 1. Min-Max Controller 14
Figure 2. Multi-variable Controller 15
Figure 3. Schematic Diagram of Turbine Control using NMPC(Nonlinear MPC) 15
Figure 4. MPC Simulation Program by Simulink 16
Figure 5. Linearization Workflow Diagram 20
Figure 6. [Case #1] State and Control Input Result 25
Figure 7. [Case #1] Output Result 25
Figure 8. [Case #2] State and Control Input Result 26
Figure 9. [Case #2] Output Result 26
Figure 10. [Case #3] State and Control Input Result 27
Figure 11. [Case #3] Output Result 27
Figure 12. [Case #4] State and Control Input Result 28
Figure 13. [Case #4] Output Result 28
Figure 14. Basic Concept of MPC 29
Figure 15. Structure of Min-Max Limit Controller 38
Figure 16. Min-Max Logic Flow Chart 40
Figure 17. Selection of Ty via SVD of 𝚲[이미지참조] 42
Figure 18. [Case #1] Simulation Results without Fault(Linear Model) 43
Figure 19. [Case #2] Simulation Results with Fault(Linear Model) 44
Figure 20. [Case #3] Simulation Results without Fault(Non-Linear Model) 44
Figure 21. [Case #4] Simulation Results with Fault(Non-Linear Model) 44
Figure 22. Comparison of Plant Error and 𝚲w Estimate Error(without Fault) 45
Figure 23. Comparison of Plant Error and 𝚲w Estimate Error(with Fault) 46
Figure 24. Simulation Software 47
Figure 25. Low Pressure Shaft Speed Command 49
Figure 26. [Case 1] : Simulation Result (Min-Max Limit Controller) 50
Figure 27. [Case 1] : Simulation Result (MPC without Fault) 50
Figure 28. [Case 1] : Simulation Result (MPC with Fault) 50
Figure 29. [Case 2] : Simulation Result (Min-Max Limit Controller) 51
Figure 30. [Case 2] : Simulation Result (MPC without Fault) 51
Figure 31. [Case 2] : Simulation Result (MPC with Fault) 51
Figure 32. [Case 3] : Simulation Result (Min-Max Limit Controller) 52
Figure 33. [Case 3] : Simulation Result (MPC without Fault) 52
Figure 34. [Case 3] : Simulation Result (MPC with Fault) 52
Figure 35. [Case 4] : Simulation Result (Min-Max Limit Controller) 53
Figure 36. [Case 4] : Simulation Result (MPC without Fault) 53
Figure 37. [Case 4] : Simulation Result (MPC with Fault) 53
Figure 38. [Case 5] : Simulation Result (Min-Max Limit Controller) 54
Figure 39. [Case 5] : Simulation Result (MPC without Fault) 54
Figure 40. [Case 5] : Simulation Result (MPC with Fault) 54
Figure 41. [Case 6] : Simulation Result (Min-Max Limit Controller) 55
Figure 42. [Case 6] : Simulation Result (MPC without Fault) 55
Figure 43. [Case 6] : Simulation Result (MPC with Fault) 55
Figure 44. [Case 7] : Simulation Result (Min-Max Limit Controller) 56
Figure 45. [Case 7] : Simulation Result (MPC without Fault) 56
Figure 46. [Case 7] : Simulation Result (MPC with Fault) 56
Figure 47. [Case 8] : Simulation Result (Min-Max Limit Controller) 57
Figure 48. [Case 8] : Simulation Result (MPC without Fault) 57
Figure 49. [Case 8] : Simulation Result (MPC with Fault) 57
Figure 50. [Case 9] : Simulation Result (Min-Max Limit Controller) 58
Figure 51. [Case 9] : Simulation Result (MPC without Fault) 58
Figure 52. [Case 9] : Simulation Result (MPC with Fault) 58
Figure 53. [Case 10] : Simulation Result (Min-Max Limit Controller) 59
Figure 54. [Case 10] : Simulation Result (MPC without Fault) 59
Figure 55. [Case 10] : Simulation Result (MPC with Fault) 59
Figure 56. [Case 11] : Simulation Result (Min-Max Limit Controller) 60
Figure 57. [Case 11] : Simulation Result (MPC without Fault) 60
Figure 58. [Case 11] : Simulation Result (MPC with Fault) 60
Figure 59. [Case 12] : Simulation Result (Min-Max Limit Controller) 61
Figure 60. [Case 12] : Simulation Result (MPC without Fault) 61
Figure 61. [Case 12] : Simulation Result (MPC with Fault) 61
Figure 62. [Case 13] : Simulation Result (Min-Max Limit Controller) 62
Figure 63. [Case 13] : Simulation Result (MPC without Fault) 62
Figure 64. [Case 13] : Simulation Result (MPC with Fault) 62
Figure 65. [Case 14] : Simulation Result (Min-Max Limit Controller) 63
Figure 66. [Case 14] : Simulation Result (MPC without Fault) 63
Figure 67. [Case 14] : Simulation Result (MPC with Fault) 63
Figure 68. [Case 15] : Simulation Result (Min-Max Limit Controller) 64
Figure 69. [Case 15] : Simulation Result (MPC without Fault) 64
Figure 70. [Case 15] : Simulation Result (MPC with Fault) 64
Figure 71. [Case 16] : Simulation Result (Min-Max Limit Controller) 65
Figure 72. [Case 16] : Simulation Result (MPC without Fault) 65
Figure 73. [Case 16] : Simulation Result (MPC with Fault) 65