Online Actuator Reassignment for Fault Tolerant Flight Control
This communication considers the case in which some aerodynamic actuator failures occur when an aircraft performs the intended maneuver.The problem considered deals with online reassignment of the remaining effective actuators to continue performing the current maneuver safely.First,through analysis of a general nonlinear system,the concept of virtual inputs and fault tolerance is proposed and analyzed.Taking a pure roll maneuver as an example,the values of its virtual inputs can be computed through nonlinear inverse control approach.Then,a linear quadratic programming problem is formulated for actuator reassignment,to find a best utilization of remaining effective actuators,as well as taking into account various constraints for safety.Three fast solution approaches are studied to solve this reassignment problem.The simulation results show the feasibility of the proposed method.Finally,a general conclusion is drawn.
Fault tolerant flight control Linear quadratic problem Interior point method Active set method Neural networks Actuators reassignment
Lunlong Zhong Félix Mora-Camino
College of Electronic Information Engineering,Civil Aviation University of China,Tianjin 300300,Chin MAIAA,Ecole Nationale de lAviation Civile,31400 Toulouse,France
国际会议
长沙
英文
1706-1711
2014-05-31（万方平台首次上网日期，不代表论文的发表时间）