Robust limit cycle control in an attitude control system with switching-constrained actuators

Mesquita, Alexandre R.; Kienitz, Karl Heinz; Rempel, Erico L.

doi:10.1109/cdc.2008.4738802

Cited by 2 publications

(2 citation statements)

References 17 publications

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“…Researchers have also presented a method for robust limit cycle control in attitude control systems, which are prevalent in ON-OFF thrusters [21]. They identified the regions of robust behavior and evaluated their performance requirements.…”

Section: Introductionmentioning

confidence: 99%

Guidance and Attitude Control of Unstable Rigid Bodies With Single-Use Thrusters

Ashrafiuon

2017

IEEE Trans. Contr. Syst. Technol.

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In this paper, we introduce a novel computationally efficient and practical algorithm for robust guidance and attitude control of unstable rigid bodies using the discrete fixedmagnitude, fixed-duration actuation representative of single-use thrusters. New guidance and attitude continuous control laws are developed based on the nonlinear rigid-body motion model, where the objective is to intercept a target and maintain the near zero angle of attack. A methodology is then introduced to adapt the continuous control system to discrete impulsive forces with constant magnitude and duration. An actuation management scheme is presented based on the equivalence of the total impulse of the continuous control law and thruster force. Realistic time delays and noise distributions are included in a sensor fusion algorithm based on the extended Kalman filter. Simultaneous control for course corrections to ensure the target interception and stabilization of the vehicle attitude is presented through Monte Carlo simulations with various uniformly distributed direction and velocity errors.

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Section: Introductionmentioning

confidence: 99%

Guidance and Attitude Control of Unstable Rigid Bodies With Single-Use Thrusters

Ashrafiuon

2017

IEEE Trans. Contr. Syst. Technol.

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“…The relationship between the delay and self‐oscillating frequency cannot be easily derived by the piecewise linearisation for a high‐order non‐linear switching system [22, 23]. In this paper, the Hamel locus is used for analysis of the time‐delay system [10, 18–20, 24, 25].…”

Section: Introductionmentioning

confidence: 99%

Tuning of mid‐range wireless power transfer system based on delay‐iteration method

Ren

Yang

et al. 2016

IET Power Electronics

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The practical mid-range wireless power transfer (WPT) system with high-quality resonant tanks is detuned easily due to the variation in parameters of the resonant tanks, leading to degradation of power transfer capability. For this reason, the frequency variation of the mid-range serial-serial (SS) topology WPT system under the condition of self-oscillation is analysed based on Hamel locus approach, considering the delays in devices. The delay-iteration method (DIM) to tune the transmitter (TX) is presented here. Use of this method can keep the overall TX delay equal to the self-oscillating cycle and the TX in the zero voltage switching state. When the DIM is applied, the disturbance observation method can be used to tune the capacitor of the TX, with no communication between the TX and the receiver. The experiment results validate the accuracy and stability of tuning mid-range loose-coupling WPT system using the proposed method.

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Robust limit cycle control in an attitude control system with switching-constrained actuators

Cited by 2 publications

References 17 publications

Guidance and Attitude Control of Unstable Rigid Bodies With Single-Use Thrusters

Guidance and Attitude Control of Unstable Rigid Bodies With Single-Use Thrusters

Tuning of mid‐range wireless power transfer system based on delay‐iteration method

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