Dynamic Look-up tables in Simulink were used to interpolate the real-time performance of the engine from rig-test data. Simulink model for the J85 turbojet engine was verified for performance accuracy with available test data of the engine. A flow control mechanism that produces a pressure drop...
Here the base performance simulation model is built using the inversely generated component maps from the measured performance data using the modified scaling method. The performance analysis results are compared with the experimental test data at the same operating condition. The proposed condition ...
For example, in [5], a real-time engine model based with SIMULINK and a test bench were developed to verify the performance of the electronic engine control unit of a turbofan engine. Of greatest interest are solutions aimed at increasing the tests’ automation level without involving ...
The turbojet thermal state in which the model is linearized. The linearization point within the turbojet equilibrium manifold plays an important role. Its effects are translated into the equilibrium output speed, 𝑉50V50. This represents the turbojet exhaust gas speed at equilibrium conditions in ...
Figure 4. Engine and controller program block diagram developed in Matlab/Simulink. Table 2. Turbojet engine characteristics [36,37]. A brief description about the operating procedure of the model and controller is as follow: Firstly, a predefined PLA profile is defined for the model. This...
Table 5. Parameters of the aircraft model. Trajectory tracking is the first simulation purpose to be examined when there are uncertainties in a system. The results are presented for the designed controllers to display the effectiveness of the new control form. The step signals at 0–5 m along...
Both model and control system have been created in MATLAB® Simulink®, data from real measurement have been taken to evaluate control system performance. The same assessment is conducted with conventional Proportional-Integral-Derivative (PID) controllers and showed the superiority of SMC, further...
All three controllers performed very well and in line with the simulations. As expected, the direct inverse controller was the fastest one; however, it was not able to compensate for external errors, which were not incorporated into the model it was derived from. The performance of all three ...
Table 5. Parameters of the aircraft model. Trajectory tracking is the first simulation purpose to be examined when there are uncertainties in a system. The results are presented for the designed controllers to display the effectiveness of the new control form. The step signals at 0–5 m along...