Optimal control of twin rotor MIMO system using output feedback

Pratap, Bhanu; Agrawal, Abhishek; Purwar, Shubhi

doi:10.1109/icpces.2012.6508113

Cited by 23 publications

(12 citation statements)

References 17 publications

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“…Consider the linear model of the TRMS [28]: The objective is to design a nonlinear controller for TRMS that forces the plant output y to track a specified desired smooth trajectory Xd such that:…”

Section: Problem Formula Nonmentioning

confidence: 99%

Composite Nonlinear Feedback controller for Twin Rotor MIMO System

Kulkarni

Purwar

Sharma

2014

International Conference on Recent Advances and Innovations in Engineering (ICRAIE-2014)

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A standard Composite Nonlinear Feedback (CNF) control law is designed for Twin Rotor Multi-Input Multi-Output System (TRMS). This proposed control law ensures minimum settling time and no overshoot in the response to desired input. TRMS linear model is considered for simulation purpose. The control law is composed of linear and nonlinear components.There is no switching element in the proposed law. The effectiveness of the proposed controller is shown by simulation results.

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Section: Problem Formula Nonmentioning

confidence: 99%

Composite Nonlinear Feedback controller for Twin Rotor MIMO System

Kulkarni

Purwar

Sharma

2014

International Conference on Recent Advances and Innovations in Engineering (ICRAIE-2014)

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“…The whole unit is attached to the tower allowing for safe helicopter control experiments. The complete dynamics of the TRMS system [9] can be represented in the state-space form as follows. …”

Section: Twin Rotor Mimo Systemmentioning

confidence: 99%

“…The comparison of classical techniques of PID control with that of intelligent techniques can be found in [6] and the hardware implementation of the same in [7]. The nonlinear modeling of TRMS system in one degree of freedom (1-DOF) is given in [8] and some studies related to optimal and robust control can also be found in literature [9], [10].…”

Section: Introductionmentioning

confidence: 99%

To design optimally tuned FOPID controller for twin rotor MIMO system

Mishra

Purwar

2014

2014 Students Conference on Engineering and Systems

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This paper proposes a method to design optimally tuned fractional order as well as integer order proportionalintegral-derivative (PID) controllers for twin rotor-multi-input multi-output system (TRMS). Two fractional order PID (FOPID) controllers for one degree of freedom (1-DOF) in horizontal plane and 1-DOF in vertical plane are designed separately using linear model. Design criterion consists of a performance index which is minimized using particle swarm optimization (PSO) to obtain the controller parameters for satisfactory responses. In order to assess the performance of closed loop control system a continuously varying reference trajectory has been taken which is tracked by actual response. It is found in simulation study that the FOPID controllers perform better than integer order PID (IOPID) controllers based on same design criteria.Index Terms-Twin rotor MIMO system, FOPID, IOPID, particle swarm optimization, performance index.

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“…An optimal state feedback controller approach was considered in [14] to control azimuth and elevation angle and height of TRAS when moving upward, whereas output feedback control strategy was used in [15] to control pitch and yaw position of nonlinear TRAS. A higher order 2-DOF-controller was designed and implemented on TRAS laboratory setup in [16].…”

Section: Introductionmentioning

confidence: 99%

Fractional Order Modeling and Control of Twin Rotor Aero Dynamical System using Nelder Mead Optimization

Ijaz¹,

Hamayun²,

Lin³

et al. 2016

Journal of Electrical Engineering and Technology

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-This paper presents an application of fractional order controller for the control of multi input multi output twin rotor aerodynamic system. Dynamics of the considered system are highly nonlinear and there exists a significant cross-coupling between the horizontal and vertical axes (pitch & yaw). In this paper, a fractional order model of twin rotor aerodynamic system is identified using input output data from nonlinear system. Based upon identified fractional order model, a fractional order PID controller is designed to control the angular position of level bar of twin rotor aerodynamic system. The parameters of controller are tuned using Nelder-Mead optimization and compared with particle swarm optimization techniques. Simulation results on the nonlinear model show a significant improvement in the performance of fractional order PID controller as compared to a classical PID controller.

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Optimal control of twin rotor MIMO system using output feedback

Cited by 23 publications

References 17 publications

Composite Nonlinear Feedback controller for Twin Rotor MIMO System

Composite Nonlinear Feedback controller for Twin Rotor MIMO System

To design optimally tuned FOPID controller for twin rotor MIMO system

Fractional Order Modeling and Control of Twin Rotor Aero Dynamical System using Nelder Mead Optimization

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