One-Dimension Force Balance System for Hypersonic Vehicle an experimental and Fuzzy Prediction Approach

Kalaiarassan, G.; Krishan,; Somanadh, M.; Thirumalai, Chandrasegar; Kumar, Maneesh

doi:10.1016/j.matpr.2018.02.350

Cited by 21 publications

(7 citation statements)

References 11 publications

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“…Because certain aeronautic situations require aircraft to go through extremes of speed and temperature, balances are designed to assist in the design and testing process of these aircraft. Certain balances were designed to handle supersonic [9] and hypersonic flow [10], [11], [12], as well as able to read forces in areas where the Reynold's number is significantly lower than normal conditions [13], [14]. Extreme cold temperatures are also considered when designing aircraft to fly high in the atmosphere, so a normal force balance must be calibrated correctly to negate the thermal compression the balance experiences [15].…”

Section: List Of Figuresmentioning

confidence: 99%

“…𝜷𝜷 = [𝒙𝒙 𝑇𝑇 𝑾𝑾(𝒙𝒙)𝒙𝒙] −1 𝒙𝒙 𝑇𝑇 𝑾𝑾(𝒙𝒙)𝒚𝒚 (11) where W(x) is the diagonal matrix for the weight values. It is found that using this model often provides a closer response to the limit state function than an empirical model that uses equal weights for its coefficients (or W is the identity matrix).…”

Section: Response Surface Modelingmentioning

confidence: 99%

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Design optimization of a wind tunnel force balance using stepwise response surface method

Chaisson

Lee²,

Burns³

2022

J Mech Sci Technol

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applied to a body during a wind tunnel test. The balance is equipped with strain gauges that measure structural deformations for evaluation of the forces and moments being applied to the body. The force balance is required to have structural safety under a large roll moment, due to design changes with the testing apparatus. The balance must be optimized to allow for this increased roll moment while guaranteeing the balance will not fail and the gauges within the balance will generate an acceptable gauge reading.

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Section: List Of Figuresmentioning

confidence: 99%

Section: Response Surface Modelingmentioning

confidence: 99%

Design optimization of a wind tunnel force balance using stepwise response surface method

Chaisson

Lee²,

Burns³

2022

J Mech Sci Technol

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show abstract

“…However, this approach inherently suffers from the chattering problem. On the other hand, fuzzy logic controllers (FLC) provide an easy but effective way to cope with uncertain and nonlinear system dynamics, and they were successfully applied in many areas such as control [22,23], decision making [24,25], prediction [26,27], forecasting [28,29], and modelling [30,31]. Recently, fuzzy logic control of chaotic systems has become an active research area.…”

Section: Introductionmentioning

confidence: 99%

Chaos synchronization in a BEC system using fuzzy logic controller

Tosyali¹,

Oniz²,

Aydoğmuş³

2022

Condens. Matter Phys.

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Since the presence of chaos in Bose-Einstein condensate (BEC) systems plays a destructive role that can undermine the stability of the condensates, controlling the chaos is of great importance for the creation of the BEC. In this paper, a fuzzy logic controller (FLC) to synchronize the chaotic dynamics of two identical master-slave BEC systems has been proposed. Unlike the conventional approaches, where expert knowledge is directly used to construct the fuzzy rules and membership functions, the fuzzy rules have been constructed using Lyapunov stability theorem ensuring the synchronization process. The effectiveness of the proposed controller has been demonstrated numerically.

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“…With the development of hypersonic vehicle, the speed is getting significantly faster, and the surface temperature of the aircraft rises sharply due to aerodynamic heating [1][2][3][4][5]. As a counter measure, thermal protection system (TPS) covering the vehicle surface is developed using metallic materials [6,7] to ceramic matrix composite material [8,9] to resist the higher temperature and stronger heat flow.…”

Section: Introductionmentioning

confidence: 99%

Insulation performance analysis of novel high-temperature vacuum insulated panels with 2D and 2.5D braided structures

Wang

Yang

Chen

2020

Mater. Res. Express

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In this paper, the thermal insulation performance and mechanism of novel High-temperature vacuum insulated panel (HTVIP) with 2D and 2.5D braided structures shell were compared and analyzed extensively. The effective thermal conductivity of 2.5D HTVIP ranged from 0.326 W m −1 ·K −1 to 0.748 W m −1 ·K −1 within the temperature from 25°C to 900°C is 12.4%-27.2% lower than the value of 2D HTVIP ranged from 0.368 W m −1 ·K −1 to 1.027 W m −1 ·K −1 . The infrared images of both 2D and 2.5D HTVIP were also examined, which showed the 2.5D HTVIP has better thermal insulation performance. The thermal flow dynamic simulation of the HTVIP shows that the values of temperature at the center of the lower surface of the 2D and 2.5D HTVIP calculated by thermal simulation are 471°C and 386°C, respectively. And the heat flux density on the side of the 2.5D HTVIP is significantly lower than that of the 2D structure, the highest values are 163 KW m −2 ·K and 105 KW m −2 ·K, respectively.

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One-Dimension Force Balance System for Hypersonic Vehicle an experimental and Fuzzy Prediction Approach

Cited by 21 publications

References 11 publications

Design optimization of a wind tunnel force balance using stepwise response surface method

Design optimization of a wind tunnel force balance using stepwise response surface method

Chaos synchronization in a BEC system using fuzzy logic controller

Insulation performance analysis of novel high-temperature vacuum insulated panels with 2D and 2.5D braided structures

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