Design of Generalized Predictive Control for the Stabilizing Loop from a two-axis Gimbal Seeker, Considering Cross-Coupling in Between two Channels

Document Type : Original Article

Authors

1 Department of Electrical Engineering, Damavand Branch, Islamic Azad University, Damavand, Iran

2 Department of Aerospace, Shahid Beheshti University, Tehran, Iran

Abstract

In this research, Generalized Predictivecontrol (GPC) is proposed for the control of a stabilizing loop from a two axis gimbal seeker. In fact, there are some views about using GPC type controller which are two folds. First, it drives the stabilization loops that are made by a DC motor, Rate Gyro, inertia and cross coupling unit in between two channels using the predictive model type controller. Second, the theory is to excavate the results of flight simulation on the efficiency of two-axis gimbal seeker. The simulations, based on different scenarios, are valuated for the proficiency of the designed system considering the dynamic mass imbalance and the cross-coupling in between two channels and the flight simulation. The flight simulation results are explained the accuracy of the designed system with predictive control in opposite of conventional PI controller. For example, the simulation results in altitude of 2km show the suggested system in comparison with conventional PI controller improves miss-distance and flight time 11.98% and 1.5%  respectively. Moreover, the suggested system in maximum control signal is 72.61%, minimum control signal is 1.55% and final time is 80.43% (control effort parameter), which is better than PI type controller.

Keywords


1. Abdo, M., Vali, A. R., Toloei, A. R. and Arvan, M. R., “Stabilization loop of a two axes gimbal system using self-tuning PID type fuzzy controller”, ISA Transactions, Vol. 53, (2014), 591-602.
2. Anderson, D., McGookin, M., “Fast Model Predictive Control of the Nadir Singularity in Electro-Optic Systems”, Journal of Guidance Control and Dynamics, Vol. 32, (2009), 626-632.
3. Özgür, H., Aydan, E., İsmet, E., “Proxy-based sliding mode stabilization of a twoaxis gimballed platform”, Proceedings of
the world congress on engineering and computer science, San Francisco, USA (WCECS), Vol. I, (2011).
4. Abdo, M., Vali, A. R., Toloei, A. R. and Arvan, M. R., “Research on the Cross-Coupling of a two axis gimbal system with dynamic unbalance”, International Journal of Advanced Robotic Systems, Vol. 10, (2013). https://doi.org/10.5772/56963
5. Khodadadi, H., “Robust control and modeling a 2-DOF inertial stabilized platform”, International conference on electrical, control and computer engineering, Pahang, Malaysia, (2011) 223–228.
6. Abdo, M., Vali, A. R., Toloei, A. R. and Arvan, M. R., “Improving two axes gimbal seeker performance using cascade control approach”, Proceedings IMeche Part G: Journal of Aerospace Engineering, (2014), 1-18.
7. Abdo, M., Vali, A. R., Toloei, A. R. and Arvan, M. R., “Modeling Control and simulation of two axes gimbal seeker using fuzzy PID controller”, 22nd Iranian Conference on Electrical Engineering (ICEE), (2014), 1342-1347.
8. Zhan, S. T., Yan, W. X., Fu, Z., Pan, G and Zhao, Y. Z., “Robust control of a yaw-pitch gimbaled seeker”, Aircraft Engineering and Aerospace Technology, Vol. 87, (2015), 83-91.
9. Khamis, A., Kamel, A. M and Naidu, D. S., “Nonlinear Optimal Tracking For Missile Gimbaled Seeker Using Finite-Horizon State Dependent Riccati Equation”, The 14th Annual IEEE International Conference on Cyber Technology in Automation, Control and Intelligent Systems, (2014), 88-93.
10. Mondal, S., Sadhu, S and Banerjee, A., “Platform Motion Disturbances Attenuation in a Missile Seeker Subsystem Using Internal Model Control”, International Conference on Control, Automation, Robotics and Embedded Systems (CARE), (2013), 1-4.
11. Lin, CM., Hsu, CF and Mon. YJ., “Self-organizing fuzzy learning CLOS guidance law design”, IEEE Transactions, Vol. 39, (2003), 1144–1151.
12. Tam, KK., Lee, TH., Mamum, A., Lee, MW and Khoh, CJ., “Composite control of a gyro mirror line of sight stabilization platform design and auto tuning”, ISA Transactions, Vol. 40, (2001), 155–171.
13. Krishna Moorty, JAR., Marathe, R and Sule, VR., “H∞ control law for line-of sight stabilization for mobile land vehicles”, Optical Engineering, Vol. 41, (2002), 2935–2944.
14. Salahshoor, K., Khaki-Sedigh, A., Sarhadi, P., “An indirect adaptive predictive control for the pitch channel autopilot of a flight system”, Aerospace Science and Technology, Vol. 45, (2015), 78-87.
15. Clarke, D.W., Mohtadi, C.,“Properties of generalized predictive control”, Automatica, Vol. 25, (1989), 859-875.