A deceleration-based algorithm for anti-skid control of aircraft

Davico, Luca; Tanelli, Mara; Savaresi, Sergio M.; Airoldi, M.; Rapicano, G.

doi:10.1016/j.ifacol.2017.08.2082

Cited by 19 publications

(8 citation statements)

References 8 publications

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“…Specifically, two different control algorithms are considered. One is in line with the current industrial practice, being designed using only the measurement provided by the wheel speed sensor, and yielding a final cyclic skid behavior such as that shown in the bottom part of Figure 1, see e.g., [3]. The second one is a more advanced anti-skid control approach, which uses a measure or an estimation of the aircraft velocity and designs a genuine skid regulation system, see e.g., [4].…”

Section: Introductionsupporting

confidence: 69%

“…Note that the second term represents the wear contributions due to the typical wheel speed oscillations induced by the ABS control algorithm, see [3], [15], and it is typically disregarded in the automotive literature, [14]. This is consistent with the fact that, in the automotive context, the ABS is very rarely activated and the main reason behind tire wear is the consumption over a considerable amount of travelled distance, with negligible contributions coming from the wheel deceleration.…”

Section: Tire Wear Modellingmentioning

confidence: 65%

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Tire-Wear Control in Aircraft via Active Braking

Davico

Tanelli

Savaresi

2021

IEEE Trans. Contr. Syst. Technol.

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In ground vehicles, tire consumption is in general mainly due to the mileage covered, and in fact the life span of tires, at least in common situations, is rather long. In the aeronautical context, and for aircraft in particular, instead, tire consumption plays a crucial role in determining the maintenance costs. This is due to the fact that, in aircraft braking, nearly all maneuvers activate the anti-skid controller, which remains in use for long time intervals. In ground vehicles, instead ABS systems are usually active for short time intervals which cover a part of the braking maneuvers only. Thus, tire consumption in the automotive context is usually studied under constant speed assumptions. In this work, we formulate a tire consumption model that encompasses explicitly the wheel acceleration/deceleration dynamics, and we show that tire wear can be directly related to the anti-skid controller parameters. Based on this, a sensitivity analysis of tire-consumption versus braking performance is carried out, showing that, using an appropriate anti-skid control approach, one may directly formulate the braking problem as a tire consumption regulation one, being sure that the resulting braking performance will have an a priori guaranteed outcome. The tire wear model is also validated in an experimental setting.

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Section: Introductionsupporting

confidence: 69%

Section: Tire Wear Modellingmentioning

confidence: 65%

Tire-Wear Control in Aircraft via Active Braking

Davico

Tanelli

Savaresi

2021

IEEE Trans. Contr. Syst. Technol.

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“…Note that the second term represents the wear contributions due to the typical wheel speed oscillations introduced by the ABS control algorithm ( [12], [13]) and it is typically disregarded in the automotive literature ( [11]). This is consistent with the fact that, in the automotive context, the ABS is very rarely activated and the main reason behind tire wear is the consumption over a considerable amount of travelled distance with negligible contributions of the wheel deceleration during common usage.…”

Section: Tire Wear Modellingmentioning

confidence: 99%

“…The alternation of such actions allows obtaining a limit cycle of the wheel slip which, with the given basic version of the algorithm, is proved to enjoy stability properties. The interested reader is referred to [12] for more details.…”

Section: Structure Of the Anti-skid Controllersmentioning

confidence: 99%

Combining tire-wear and braking control for aeronautical applications

Davico

Tanelli

Savaresi

2019

2019 18th European Control Conference (ECC)

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In ground vehicles, tire consumption is in general mainly due to the mileage covered, and in fact the life span of tires, at least in common situations, is rather long. In the aeronautical context, and for aircraft in particular, instead, tire consumption plays a crucial role in determining the maintenance costs. This is due to the fact that, in aircraft braking, nearly all maneuvers activate the anti-skid controller, which remains in use for long time intervals. In ground vehicles, instead ABS systems are usually active for short time intervals which cover a part of the braking maneuvers only. Thus, tire consumption in the automotive context is usually studied under constant speed assumptions. In this work, we formulate a tire consumption models that encompasses explicitly the wheel acceleration/deceleration dynamics, and we show that tire wear can be directly related to the anti-skid controller parameters. Based on this, a sensitivity analysis of tire-consumption versus braking performance is carried out, showing that the braking control problem can be reformulated as a tire consumption regulation one.

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“…Sistemas de frenagem são de fundamental importância para o desempenho de veículos de um modo geral, tanto nos terrestres -que requerem uma resposta rápida sem que ocorra o travamento das rodas -quanto dos aéreos, os quais fazem uso do freio no momento do pouso e em decolagens abortadas (D'Avico et al, 2017). Com essas necessidades, em 1965, foi criado o primeiro sistema eletrônico de frenagem atuando na redução do travamento da roda, conhecido como ABS (Anti-Lock Braking System) (Heißing and Ersoy, 2010).…”

Section: Introdu ç ãOunclassified

Controle Preditivo da Frenagem de um Monociclo em Terreno Desconhecido

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et al. 2021

Procedings Do XV Simpósio Brasileiro De Automação Inteligente

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Braking systems that prevent wheel locking are employed in both land and air vehicles. This work develops a control that avoids the locking of the wheels during braking. For this purpose, a slip control was carried out for the case where there is only the longitudinal movement of the unicycle. The slip, calculated from the states (longitudinal speed of the vehicle and angular speed of the wheel), is compared to a reference slip, which is updated through the feedback of the states and torque. The control uses the Nonlinear Model Predictive Control (NMPC) strategy, considering the system restrictions. Finally, performance cost functions were calculated to validate the results obtained in the control. Resumo: Sistemas de frenagem que evitam o travamento da roda são empregados tanto em veículos terrestres quanto aéreos. Este trabalho desenvolve um controle que evita o travamento das rodas durante uma frenagem em movimento apenas longitudinal de um modelo de monociclo por meio do controle do deslizamento entre a roda e o solo. O deslizamento, calculado por meio dos estados (velocidade longitudinal do veículo e velocidade angular da roda), é comparado a um deslizamento de referência, este sendo atualizado por meio do feedback dos estados e do torque. O controle utiliza a estratégia do Nonlinear Model Predictive Control (NMPC), comportando as restrições do sistema. Por fim, funções de custo de performance foram calculadas para validar os resultados obtidos do controle.

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A deceleration-based algorithm for anti-skid control of aircraft

Cited by 19 publications

References 8 publications

Tire-Wear Control in Aircraft via Active Braking

Tire-Wear Control in Aircraft via Active Braking

Combining tire-wear and braking control for aeronautical applications

Controle Preditivo da Frenagem de um Monociclo em Terreno Desconhecido

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