A parametric method to design dynamic compensator for high-order quasi-linear systems

D, Gu; Zhang, Da‐Wei

doi:10.1007/s11071-020-05555-0

Cited by 16 publications

(17 citation statements)

References 33 publications

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“…Here,x h means the arc length between point P and the projection point from the line connecting the HAC's center and the aircraft to the arc, which is used to approximately represent the voyage distance along the arc. In summary, the method for calculating the predicted range of the HAC phase and the pre-approach phase is that outside the HAC, is used (8) and inside the HAC, is used (9). The predicted range in each phase of the aircraft S-turn scheme is as described above.…”

Section: 2mentioning

confidence: 99%

“…The landing stage is a complicated and risky stage during the flight process, and it is also a key stage which determines whether the UAV can safely complete a mission. There are many studies on the automatic landing where the engine of the aircraft is working normally [7,8,9,10,11]. Compared with the normal aircraft, the unpowered landing of the aircraft has great advantages.…”

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confidence: 99%

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Energy management method for an unpowered landing

Li¹,

Shi²,

Li³

et al. 2022

JIMO

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<p style='text-indent:20px;'>The unpowered landing of unmanned aerial vehicle (UAV) is a critical stage, which affects the safety of flight. To solve the problem of the unpowered landing of UAV, an energy management scheme is proposed. After the cruise is over, the aircraft shuts down the engine and begins to land. When the aircraft is in the high altitude, the dynamic pressure is too large, and it is difficult to open the speed brake. When the aircraft is in the low altitude, it is close to the runway. The method of S-turn may make the aircraft veer off the runway and may be unable to land. So two different schemes of high altitude and low altitude are designed to control energy. In the high altitude, when the energy is too high, it takes the S-turn scheme to consume excess energy. At the same time, the availability and reasonability of the S-turn scheme is demonstrated. In the low altitude, the open angle of speed brake is controlled to adjust the energy consumption. Finally, the simulation results are given to illustrate the availability of energy management.</p>

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Section: 2mentioning

confidence: 99%

mentioning

confidence: 99%

Energy management method for an unpowered landing

Li¹,

Shi²,

Li³

et al. 2022

JIMO

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“…Lemma 4: Given the DHQ systems (1a) and (1b) satisfying Assumptions 1-4, let N(θ, y, s) and D(θ, y, s) be a pair of polynomial matrices satisfying RCF (21). Based on the results in [19,26], there also exists a pair of polynomial matrices N (θ, y, s)…”

Section: Preliminariesmentioning

confidence: 99%

“…Our team has paid more attention to the quasi-linear system and obtained a series of research results, such as descriptor quasi-linear systems [19][20][21] and dynamic compensators with multi-objective optimisation [19,[22][23][24][25]. Notably, we also present an effective approach to design a static output feedback and a dynamic compensator for high-order quasi-linear systems (see [26,27]), which provides the basis to deal with the parametric design of a dynamic compensator for DHQ systems.…”

Section: Introductionmentioning

confidence: 99%

Parametric method to design dynamic compensator for descriptor high‐order quasi‐linear systems

Zhang

Liu

2020

IET Control Theory & Appl

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This study investigates a parametric method to design a dynamic compensator for descriptor high-order quasi-linear (DHQ) systems. Utilising the solution to generalised high-order Sylvester equations, a more unified parametric form of the dynamic compensator is developed to improve the control effects. Meanwhile, normalisation design by using the dynamic compensator is also considered for DHQ systems such that the closed-loop regularity can be maintained easily and effectively. Whether the closed-loop form is singular or not, it has an expected eigenstructure. Finally, an example is provided to verify the parametric method is feasible and reliable.

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“…The parametric approach, creatively proposed by Duan (2014b, 2014c), solved the basic control problem and realized the performance optimization, which opens up the whole new field of research. Further, Gu et al developed its applications in various systems, such as linear time-varying systems (Gu et al 2019a; Gu and Zhang 2020a) and quasi-linear systems (Gu et al 2019b, 2019c; Gu and Zhang 2020b, 2020c, 2020d). The major benefits of the parametric approach are summarized in the following aspects.…”

Section: Introductionmentioning

confidence: 99%

Parametric control to permanent magnet synchronous motor via proportional plus integral feedback

Zhang

Liu

2020

Transactions of the Institute of Measurement and Control

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This study investigates a parametric approach to design the proportional-integral (PI) controller for a permanent magnet synchronous motor (PMSM). Based on the solutions of the generalized Sylvester equation, the generally parametric expressions of PI controller and right eigenvector matrix are obtained. By using the parametric approach, the closed-loop system is converted into a linear time-invariant system with an expected eigenstructure. Further, a numerical example is put forward to illustrate the effectiveness and feasibility of the proposed parametric approach.

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A parametric method to design dynamic compensator for high-order quasi-linear systems

Cited by 16 publications

References 33 publications

Energy management method for an unpowered landing

Energy management method for an unpowered landing

Parametric method to design dynamic compensator for descriptor high‐order quasi‐linear systems

Parametric control to permanent magnet synchronous motor via proportional plus integral feedback

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