Dynamic Modeling, Control Aspects and Model Predictive Control of a Parafoil and Payload System

A model predictive control strategy is developed for an autonomous parafoil and payload system. Since the technique requires a linear dynamic model of the system, a reduced state linear model based on a nonlinear 6 degree-of-freedom parafoil and payload model is established and validated. In order to use the reduced state linear model for model predictive control the desired trajectory in the x-y plane is mapped into a desired heading angle using Lagrange interpolating polynomials. Flight test results demonstrate that this model predictive control strategy is a natural and effective method of achieving trajectory tracking in a parafoil and payload system.

[1]  Glen Brown,et al.  Apparent mass effects on parafoil dynamics , 1993 .

[2]  Mark Costello,et al.  COMPARISON OF MEASURED AND SIMULATED MOTION OF A CONTROLLABLE PARAFOIL AND PAYLOAD SYSTEM , 2003 .

[3]  Gil Iosilevskii,et al.  Center of Gravity and Minimal Lift Coefficient Limits of a Gliding Parachute , 1995 .

[4]  J. Faires,et al.  Numerical Methods , 2002 .

[5]  Glen Brown.  Parafoil steady turn response to control input , 1993 .

[6]  C. Cerimele,et al.  Lateral-directional aerodynamics from a large scale parafoil test program , 1999 .

[7]  Michael L. Accorsi,et al.  Computer Simulation of Parafoil Dynamics , 2001 .

[8]  Ahsan Kareem,et al.  Model Predictive Control of Wind-Excited Building: Benchmark Study , 2004 .

[9]  Ching-Chih Tsai,et al.  Model reference adaptive predictive control for a variable-frequency oil-cooling machine , 2004, IEEE Trans. Ind. Electron..

[10]  Dean Wolf.  Dynamic Stability of a Nonrigid Parachute and Payload System , 1971 .

[11]  John Valasek,et al.  SYSTEM IDENTIFICATION OF POWERED PARAFOIL-VEHICLE FROM FLIGHT TEST DATA , 2003 .

[12]  Alan A. Desrochers,et al.  State Variables for Engineers , 1997 .

[13]  Thomas Jann.  Aerodynamic Model Identification and GNC Design for the Parafoil-Load System ALEX , 2001 .

[14]  W Nixon Mark,et al.  An Experimental Evaluation of Generalized Predictive Control for Tiltrotor Aeroelastic Stability Augmentation in Airplane Mode of Flight , 2001 .

[15]  Mark Costello,et al.  Aspects of Control for a Parafoil and Payload System , 2003 .

[16]  Michael L. Accorsi,et al.  Recent advances in structural modeling of parachute dynamics , 2001 .

[17]  K.-F. Doherr,et al.  9DoF-Simulation of Rotating Parachute-Systems , 1991 .

[18]  Kaddour Najim,et al.  Advanced Process Identification and Control , 2001 .

[19]  C. Cerimele,et al.  Longitudinal aerodynamics from a large scale parafoil test program , 1999 .

[20]  Vladimir Dobrokhodov,et al.  ON THE DEVELOPMENT OF A SIX-DEGREE-OF-FREEDOM MODEL OF A LOW- ASPECT-RATIO PARAFOIL DELIVERY SYSTEM , 2003 .

[21]  Robert M. Rogers.  AERODYNAMIC PARAMETER ESTIMATION FOR CONTROLLED PARACHUTES , 2002 .