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A FRAMEWORK TO SUPPORT MULTILEVEL ROBUST CO-design OF MANUFACTURING SUPPLY NETWORKS

A FRAMEWORK TO SUPPORT MULTILEVEL ROBUST CO-DESIGN OF MANUFA...

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ASME International design engineering Technical conferences / Computers and Information in engineering conference (IDETC-CIE) / 49th design Automation conference (DAC)

作者： Baby, Mathew Guptan, Akshay Broussard, Jacob Allen, Janet K. Mistree, Farrokh Nellippallil, Anand Balu Florida Inst Technol Syst Realizat Lab FIT Melbourne FL 32901 USA Univ Oklahoma Syst Realizat Lab OU Norman OK 73019 USA

ISBN: (纸本)9780791887301

Decision-making in the design of Manufacturing Supply Networks (MSNs) is complex owing to the need to account for decisions made by groups at multiple levels and the interactions that include potential conflicts and uncertainties. Decisions are made based on information available from simulations that employ computational models. These models are abstractions of reality and are therefore sources of uncertainty. This necessitates that the focus be placed on design space exploration to identify a robust satisficing solution set. Hence, the need to support the efficient exploration of multilevel design/solution spaces, simultaneously. Many of the frameworks that facilitate multilevel design employ optimization-based iterative approaches that are computationally expensive and ill-suited for design exploration. Frameworks that support robust design exploration are limited by their capability to support the efficient exploration of multilevel design/solution spaces, simultaneously. Hence, the requirement to facilitate the 'multilevel robust co-design and solution space exploration' of MSNs. In this paper, we present a framework that allows designers to: i) model robust decision-making and their interactions across multiple levels, and ii) visualize and systematically carry out co-design exploration of multilevel design/solution spaces. In the framework, we combine a Preemptive formulation of coupled Decision Support Problem with robust design constructs and interpretable-Self-Organizing Maps (iSOM) based visualization to facilitate multilevel robust co-design. We use a steel MSN problem with decisions being made at two levels to test the framework. Using the problem, we demonstrate the utility of the framework in supporting designers in modeling multilevel decision-making under uncertainty and their interactions, and efficient co-design exploration of the robust design/solution spaces in MSNs. The proposed framework is based on information and decision flows, making it ge

关键词： Multilevel systems Robust Co-design Manufacturing Supply Networks

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The application of VR panoramic technology in B&B design strategies-taking the B&B in southern anhui as an example 3

The application of VR panoramic technology in B&B design str...

引用

3rd International conference on Electronic Information engineering and Data Processing, EIEDP 2024

作者： Junhua, Xiao Abidin, Shahriman Zainal Vermol, Verly Veto Shah Alam Malaysia

ISBN: (纸本)9781510680531

This paper discusses about Virtual Reality (VR) technology in relation to strategies-thinking. With the advancement of China's rural revitalization and the retaliatory recovery of the tourism industry, there has been a significant change in people's approach to tourism. Travelers now place greater emphasis on regional culture, and there is increasing attention on accommodations, such as rural lodgings, where travelers stay. The study reviews the uniqueness and regional characteristics of accommodations are increasingly being noticed in the field of accommodation design. VR panoramic technology, originating from the perceptual simulation systems that emerged in the 1980s, is an important branch of virtual reality technology. Its emergence quickly became the focus of attention in engineering and technology circles. By employing computer technology, it constructs artificial virtual environments, which are based on static image-based virtual reality technology, to create realistic three-dimensional spaces. VR technology provides an experiential sense based on 3D, allowing individuals to feel as if they are immersed in virtual space, presenting objects within specific spatial contexts. Compared to traditional 2D and 3D technologies, VR technology offers advantages in providing a more immersive real-world experience. The application of VR panoramic technology can combine virtual scenery and interactions with reality, providing clients with a better immersive three-dimensional spatial experience. This study focuses on the transformation and design of characteristic rural accommodations in the Anhui Southern region, researching the application of VR panoramic technology throughout the entire design process of Anhui Southern rural accommodations. By fully leveraging the advantages of VR panoramic technology, such as its realism, comprehensiveness, good interactivity, strong immersion, convenience for designers to inspect problems, more intuitive design renderings, and easy d

关键词： Virtual reality

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Investigation of Temperature, Humidity and Force-Sensitive Sensors for Future Smart Bed Pads 15

Investigation of Temperature, Humidity and Force-Sensitive S...

引用

15th International conference on Signal Processing systems, ICSPS 2023

作者： Zeynep Aydin, S. Nur Beken, G. Atas, Kubilay Akgol, Volkan Erkmen, Burcu Vural, Revna A. Department of Electrical and Electronics Engineering Marmara University İstanbul Turkey Department of Electrical and Electronics Engineering İstanbul Gelisim University İstanbul Turkey Department of Electronics and Communication Engineering Yildiz Technical University İstanbul Turkey

ISBN: (纸本)9781510675056

In this study, the performance of temperature, humidity, and pressure sensors that can be used in smart mattress pads has been investigated. The measurement accuracy of pressure sensors has been compared for different sponge thicknesses and weights. Among 9 different test cases, the RP-S40-ST force sensor yielded the best results. As for temperature sensors, heat transfer measurements were compared for specific temperatures using different sponge thicknesses. The AHT15 and DS18B20 temperature sensors successfully measured 74% of the applied heat on a 2 cm thick viscoelastic sponge, and 52.4% on a thicker 4 cm sponge. Additionally, the humidity sensor's performance in measuring humidity on the mattress pad was evaluated. Based on these assessments, the sensors that will provide the best results for the design of the mattress pad have been proposed. The influence of the sponge, an essential component of the mattress pad, on the functioning of these sensors was also observed. Moreover, apart from their measurement capabilities, the impact of these sensors on the patient's comfort was also taken into consideration. © 2024 SPIE.

关键词： Pressure sensors

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design of Low Power Flash ADC using TIQ Comparator 2

Design of Low Power Flash ADC using TIQ Comparator

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2nd International conference on Sustainable Computing and Data Communication systems, ICSCDS 2023

作者： Kuppa, Sree Ananda Valli Manikanta, S.D.N.S.S. Gubba, Sai Kumar Kumar, Manchalla.O.V.P. Sheeba, G. Merlin Gokaraju Rangaraju Institute of Engineering & Technology Department of Ece Hyderabad India Jerusalem College of Engineering Department of Ece Chennai India

ISBN: (纸本)9781665491990

This study presents a novel flash ADC design using TIQ Comparator. Due to the extensive use of comparators during the development of a Flash ADC, high power usage is the main problem. Therefore, by designing a comparator with lower power usage, overall power consumption is minimized. The resistive network and differential comparator used in standard Flash ADC can be replaced with a threshold compensated TIQ module that uses the Threshold Inverter Quantizer (TIQ) approach. According to the TIQ design, silicon area, power use, and operation speed have all been improved. Flash ADC is designed using a modified TIQ Comparator that employs power gating technique and also mux based encoder is designed based on transmission gate logic using lector approach. The design is implemented using Tanner EDA using 180nm technology. © 2023 IEEE.

关键词： Comparators (optical)

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Biologically inspired design 13

Biologically inspired design

引用

conference on Bioinspiration, Biomimetics, and Bioreplication XiiI

作者： Lakhtakia, Akhlesh Penn State Univ Dept Engn Sci & Mech NanoMM Nanoengineered Metamat Grp University Pk PA 16802 USA

ISBN: (纸本)9781510660694;9781510660700

The bioworld is an immense repository of successful solutions to overcome diverse problems. This repository can be used for biologically inspired design (BID). In this lecture, I point out various aspects of BID, including (i) identification of bioworld systems of relevance for engineering, with emphasis on multifunctionality, multicontrollability, sustainability, and circular economy;(ii) correlation of engineering problems with solution strategies available in the bioworld;and (iii) descriptions of two pathways for systematic adaptation of bioworld solutions to solve engineering problems.

关键词： circular economy contraindicated performance formal design multifunctionality multicontrollability problem-driven BID solution-driven BID sustainability

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design of Ultra-High Nonlinear Flint Glass Based Photonic Crystal Fiber with High Negative Dispersion over Telecom Bands 5

Design of Ultra-High Nonlinear Flint Glass Based Photonic Cr...

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5th IEEE International conference on Telecommunications and Photonics, ICTP 2023

作者： Halder, Amit Emon, Wahiduzzaman Anower, Md. Shamim Tanshen, Md. Riyad Shajib, Md. Sharif Uddin Hossain, Shaik Asif World University of Bangladesh Department of Electrical and Electronic Engineering Dhaka1230 Bangladesh Rajshahi University of Engineering and Technology Department of Electrical and Electronic Engineering Rajshahi6204 Bangladesh Ahsanullah University of Science and Technology Department of Electrical and Electronic Engineering Dhaka1208 Bangladesh Khulna University of Engineering and Technology Department of Electronics and Communication Engineering Khulna9203 Bangladesh

ISBN: (纸本)9798350393477

This study introduces an optimized ultra-high nonlinear photonic crystal fiber (UHN-PCF) design utilizing flint glass as the core material. The hexagonal cladding structure of the proposed photonic crystal fiber demonstrates remarkably high negative dispersion spanning the O to U wavelength range (1260 nm to 1675 nm), overcoming the inherent dispersive nature of flint glass. At the critical wavelength of 1550 nm, the fiber exhibits an exceptional negative dispersion value of -2241 ps/(nm•km), a crucial feature for high-speed data transmission systems. Additionally, the PCF structure showcases a remarkably high nonlinear coefficient of 720.8 (W•km)-1 at the same operating wavelength, suggesting potential applications in sensing and supercontinuum generation. The study employs the Finite Element Method to analyze various optical parameters, including effective area and confinement loss. These results underscore the fiber's suitability for long-distance communication systems and lay the groundwork for practical implementation in high-performance optical networks. © 2023 IEEE.

关键词： Photonic crystal fibers

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Spinning rate function with higher-order-continuity for robust circular SOP conversion in SQWP 4

Spinning rate function with higher-order-continuity for robu...

引用

4th International conference on Advanced Optics and Photonics Research in engineering, AOPR 2024

作者： Yue, Kun Guo, Wenping Xia, Min School of Optical and Electronic Information Huazhong University of Science and Technology Hubei Wuhan China

ISBN: (纸本)9781510682610

Spun Quarter Wave Plate (SQWP) excels in the conversion of circular state of polarization (SOP) when compared to its conventional counterpart. This is characterized by its low loss, high precision, and thus, its potential applicability in fiber optic systems. Traditionally, to augment the conversion performance of circular SOP, the maximum spinning rate (ξmax) of the spinning function should be increased. However, this leads to an increase in ellipticity fluctuation (∆E), thereby affecting the outcome stability of the SQWP. To mitigate this issue, this work explores the effect of a high-order continuous spinning rate function on the reduction of ellipticity fluctuations. This exploration is conducted through theoretical research complemented by numerical simulations. A novel high-order continuous spinning rate function is then proposed, which exhibits a ∆E that is two and three orders of magnitude smaller than those of linear and cosine functions, respectively. The results indicate that the proposed spinning rate functions surpass the conventional linear and cosine functions in terms of both the performance of circular SOP conversion and robustness. The findings from this research are anticipated to provide significant insights and directions for the future advancement and design of SQWP. © 2024 SPIE.

关键词： Spinning (fibers)

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Modeling and simulation design of an electromechanical integrated drive control system based on matlab models 7

Modeling and simulation design of an electromechanical integ...

引用

7th International conference on Mechatronics and Intelligent Robotics, ICMIR 2023

作者： Fu, Peihua Ding, Chenghua Qiu, Haihui Huang, Yunhong Chang, Xingang Shanghai Aerospace Control Technology Institute 1555 Zhongchun Road Minhang District Shanghai201109 China Shanghai Engineer Research Center of Inertia 1555 Zhongchun Road Minhang District Shanghai201109 China

ISBN: (数字)9781510668089

ISBN: (纸本)9781510668072

In order to address the lack of integrated simulation verification of control object and control strategy in the early design of most electromechanical integrated drive control systems as a reference for practical design, this paper proposes a modeling and simulation method for electromechanical integrated drive control systems based on Matlab models. This method combines the detailed parameter design of the control object with the design of the control strategy, and establishes an integrated simulation model in Matlab. Through system simulation analysis, it guides the design of the control object parameters and control strategies, and aims to use the simulation model as a reference for actual electromechanical integrated drive control system design. © 2023 SPIE. All rights reserved.

关键词： MATLAB

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Experimental Study on Vibration Displacement for Coaxial Counter-Rotating Rotors 7

Experimental Study on Vibration Displacement for Coaxial Cou...

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7th International conference on Mechanical Manufacturing and Industrial engineering, MMIE 2024

作者： Sung, Chen-Yu Shieh, Tzong-Hann Ma, Yen-Huai Soong, Chyi-Yeou Yeh, Chun-Liang Huang, Yen-Er Ph.D. Program of Mechanical and Aeronautical Engineering Feng Chia University No.100 Wenhwa Rd. Seatwen Taichung40724 Taiwan Department of Aerospace and Systems Engineering Feng Chia University No.100 Wenhwa Rd. Seatwen Taichung40724 Taiwan Master's Program of Space Systems Engineering Feng Chia University No.100 Wenhwa Rd. Seatwen Taichung40724 Taiwan

ISBN: (数字)9781510683297

ISBN: (纸本)9781510683280

This paper uses the transmission mechanism of a coaxial counter-rotating rotorcraft equipped with blade designs of different airfoils. The blades are all made of aluminum alloy 6061T6. To study the deformation of the aluminum alloy blades of the rotorcraft when it hovers. It investigates the deformation and vibration displacement of the blade under the influence of aeroelasticity under the condition of fixed angle of attack and different rotation speeds. The airfoils used for study mainly consider the NACA0012 symmetrical airfoil and the other improved design Viper-X asymmetrical airfoil (A0) as test objects. The angle of attack used in the study is 10°, and the rotational speeds used are medium rotational speed ranges such as 400rpm, 450 rpm, 500 rpm, 550 rpm, and 600 rpm. A non-contact laser displacement sensor was used as the experimental measurement method for data measurement in this study. Finally, when the rotational speed exceeds 500rpm, the improved design of the asymmetric airfoil A0 is indeed more stable than the symmetrical airfoil NACA0012. © 2024 SPIE.

关键词： Aeroelasticity

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Optimizing and Validating Performance of 40 Gbps optical System 1

引用

International conference on Modern Electronics Devices and Communication systems, MEDCOM 2021

作者： Gupta, Shradha Choudhary, Shilpa Babulal, Kanojia Sindhuben Sharma, Sanjeev Department of Applied Science and Humanities G.L. Bajaj Institute of Technology and Management Greater Noida India Department of Electronics and Communication Engineering G.L. Bajaj Institute of Technology and Management Greater Noida India Department of Computer Science & Technology Central University of Jharkhand Ranchi India

ISBN: (数字)9789811963834

ISBN: (纸本)9789811963827

The purpose of this paper is to optimize the performance of the RZ modulated 40 Gbps optical system by using RSM optimizer for pre- and post-compensation of dispersion. There are many input factors whose variation causes improvement of optical signals such as laser power, RZ duty cycle and EDFA gain (pre-and post-compensation), which were optimized to determine their effects on the signal characteristics. The output signal quality was characterized using noise power and Q-value. Using OPTSIM simulator a 40 Gbps optical network design and run over the 31 combinations as defined by RSM algorithm. These provide the optimized parameters. These optimized input parameters are again validated by running the optical system on these values. The pre-position of DCF shows the best performance with a percentage error of less than 5% for Q-value and 0.3% for noise power. This compensation technique is applied for RZ modulated system and validate by Q-value and noise power with percentage error. The optimized results matched with the simulated result and thus validate. © 2023, The Author(s), under exclusive license to Springer Nature Singapore Pte Ltd.

关键词： optical systems

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