Comparison of LQ and CRONE Methods for the Design of Suspension Systems

Moreau, Xavier; Oustaloup, Alain; Nouillant, M.

doi:10.1016/s1474-6670(17)58933-8

Cited by 7 publications

(4 citation statements)

References 7 publications

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“…10 Axtell and Bise 11 have analyzed the non-integer-order plant models in the field of control engineering. In robotics, the fractional derivative issued in second-generation CRONE vehicle suspension, 12,13 environment modeling, that is, fictive coulombian field fractal description of rough terrains. The fractional calculus is not a new concept, but it has the potential to create a unique attempt in the motion control industry.…”

Section: Introductionmentioning

confidence: 99%

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Design and analysis of a speed controller for fractional‐order‐modeled voltage‐source‐inverter‐fed induction motor drive

Adigintla

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2022

Circuit Theory & Apps

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Summary This paper presents the fractional‐order voltage‐source‐inverter‐controlled induction machine (FO‐VSI‐IM) model extraction and integration to improve the closed‐loop speed control performance of variable speed drives. In the operating range of variable speed drive, it is susceptible to load disturbance and speed tracking error. This paper provides the practical approach to obtain the fractional‐order model of VSI‐fed induction motor (IM) drive by using PWM signal injection technique. The injected PWM signals and speed encoder response signals are recorded using the dSPACE 1104 platform. This model is used in constructing the closed‐loop speed control of VSI‐IM with designed integer‐order PI speed controller. The comparative performance is evaluated for FO‐VSI‐IM and integer‐order voltage‐source‐inverter‐controlled induction machine (IO‐VSI‐IM) with feed‐forward gain variations and load disturbances. It is observed that the robust speed tracking capability with the controller designed using the FO‐VSI‐IM model over the controller with IO‐VSI‐IM model under load disturbances. The improvement in speed tracking with less control effort in the FO‐VSI‐IM model is advantageous in field‐oriented control (FOC) drives.

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Section: Introductionmentioning

confidence: 99%

“…There exist multiple fractional differ‐integral definitions. One of the most commonly used fractional differ‐integral definition of Grünwald–Letnikov 12 is (2).

{_{a} D}_{t}^{α} f (t) = \lim_{h \to 0} \frac{1}{h^{α}} {falsefalse}_{\sum}^{j = 0} {(- 1)}^{j} (\begin{array}{c} α \\ j \end{array}) f (t - j h)

…”

Section: Introduction To Fractional Calculusmentioning

confidence: 99%

Design and analysis of a speed controller for fractional‐order‐modeled voltage‐source‐inverter‐fed induction motor drive

Adigintla

Aware

2022

Circuit Theory & Apps

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“…Фракталом называют структуру, состоящую из частей, которые в какомто смысле подобны целому [25]. Поскольку каждый дробный элемент фрактальной подвески подобен всей подвеске в целом, авторы работ [26,27] выбрали именно эту терминологию.…”

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“…Ввиду того, что в многоуровневых системах подрессоривания на различных частотах работают разные упругодемпфирующие элементы, машина с такой подвеской способна двигаться в самых разнообразных дорожных условиях с высокой плавностью хода. Теории разработки таких конструкций посвящены работы [26][27][28][29][30].…”

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Development prospects of the suspension system for high-speed tracked vehicles

Сарач¹,

Котиев²,

Смирнов³

2013

EJSI

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Предложены перспективы развития систем подрессоривания гусеничных машин для повышения быстроходности. Представлены современные методы определения характеристик традиционных подвесок. Показана возможность дальнейшего повышения быстроходности при использовании нетрадиционных систем подрессоривания (управляемых, многоуровневых и связанных подвесок), а также путем управления углом складывания секций двухзвенных гусеничных машин.

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