layout generation
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Electronics ◽  
2021 ◽  
Vol 11 (1) ◽  
pp. 47
Author(s):  
Lida Kouhalvandi ◽  
Ladislau Matekovits ◽  
Ildiko Peter

This paper provides a novel methodology for designing implanted multiple-input and multiple-output (MIMO) antennas in the automatic fashion. The proposed optimization consists of two sequential phases for firstly configuring the geometry of an implanted MIMO antenna and then sizing the design parameters through the hierarchy top-down optimization (TDO) and regression deep neural network (DNN), respectively. It tackles the difficulty in constructing the structure of antennas and also provides optimal values for the determined variables, sufficiently. This methodology results in valid electromagnetic (EM)-verified post-layout generation that is ready-to-fabricate. The effectiveness of the proposed optimization-oriented method is verified by designing and optimizing the implanted MIMO antenna in the frequency band of 4.34–4.61 GHz and 5.86–6.64 GHz suitable for medical applications at the emerging wireless band. For our design, we employ the actual biological tissues as bone, liquid (%1 sodium chloride, %40 sugar in distilled water), and plexiglass surroundings with a bio-compatible substrate, as aluminium oxide on a large ground plane, that is suitable to be used in a particular biomedical applications involving smart implants.


Author(s):  
Mr. Shailendra Daf ◽  
Dr. Vinay Chandra Jha

This paper proposes an efficient and flexible research methodology for selection of plant layout for optimum utilization of resources and deal with future change. It consists of two steps, one for generating the layout alterative and other for selecting the optimum layout, generation of layout with the help of SLP (Systematic Layout Planning) and selection of optimum layout by using MCDM tools and technique by considering weight of each criteria. this research framework consists of define the problem, data collection, generation of alternative, selection of criteria & criteria score, MCDM tools & technique and selection & maintain. this methodology allows flexibility to be incorporated into the design of a new plant layout or provide improvement in exiting one.


2021 ◽  
Author(s):  
Kotaro Kikuchi ◽  
Edgar Simo-Serra ◽  
Mayu Otani ◽  
Kota Yamaguchi
Keyword(s):  

2021 ◽  
Author(s):  
David D. Nguyen ◽  
Surya Nepal ◽  
Salil S. Kanhere
Keyword(s):  

2021 ◽  
pp. 35-44
Author(s):  
Yubo Liu ◽  
Chenrong Fang ◽  
Zhe Yang ◽  
Xuexin Wang ◽  
Zhuohong Zhou ◽  
...  

AbstractMachine learning has been proved to be feasible and reasonable in architectural field by extensive researches recently, whereas its potential is far from being tapped. Previous studies show that the training of GAN by labelling can enable a computer to grasp interrelationship of spatial elements and logical relationship between spatial elements and boundary. This study set the learning object as layout of private gardens in southern Yangtze with higher complexity. Chinese scholars usually analyse private garden layout based on their observation and experience. In this paper, based on Pix2Pix model, we enable a computer to generate private garden layout plan for given site conditions by learning classic cases of traditional Chinese private gardens. Through the experiment, taking Lingering garden as example, we continuously adjust the labelling method to improve learning effect. The finally trained model can quickly generate private garden layout and aid designers to complete scheme design with private garden element corpus. In addition, the working process of training GAN enables us to discover and verify some private garden layout rules that have not been paid attention to.


2021 ◽  
Author(s):  
Charles Tripp ◽  
Darice Guittet ◽  
Jennifer King ◽  
Aaron Barker

Abstract. Wind plant layout optimization is a difficult, complex problem with a large number of variables and many local minima. Layout optimization only becomes more difficult with the addition of solar generation. In this paper, we propose a parameterized approach to wind and solar hybrid power plant layout optimization that greatly reduces problem dimensionality while guaranteeing that the generated layouts have a desirable regular structure. We argue that the evolution strategies class of derivative-free optimization methods is well-suited to the parameterized hybrid layout problem, and we demonstrate how hard layout constraints (e.g. placement restrictions) can be transformed into soft constraints that are amenable to optimization using evolution strategies. Next, we present experimental results on four test sites, demonstrating the viability, reliability, and effectiveness of the parameterized ES approach for generating optimized hybrid plant layouts. Completing the tool kit for parameterized ES layout generation, we include a brief tutorial describing how the parameterized ES approach can be inspected, understood, and debugged when applied to hybrid plant layouts.


2021 ◽  
Author(s):  
Satya R T Peddada ◽  
Samanta B Rodriguez ◽  
Kai James ◽  
James Allison
Keyword(s):  

2021 ◽  
Author(s):  
Satya R T Peddada ◽  
Samanta B Rodriguez ◽  
Kai James ◽  
James Allison
Keyword(s):  

Water ◽  
2021 ◽  
Vol 13 (14) ◽  
pp. 1886
Author(s):  
Arezoo Zahediasl ◽  
Amin E. Bakhshipour ◽  
Ulrich Dittmer ◽  
Ali Haghighi

In recent years, the concept of a centralized drainage system that connect an entire city to one single treatment plant is increasingly being questioned in terms of the costs, reliability, and environmental impacts. This study introduces an optimization approach based on decentralization in order to develop a cost-effective and sustainable sewage collection system. For this purpose, a new algorithm based on the growing spanning tree algorithm is developed for decentralized layout generation and treatment plant allocation. The trade-off between construction and operation costs, resilience, and the degree of centralization is a multiobjective problem that consists of two subproblems: the layout of the networks and the hydraulic design. The innovative characteristics of the proposed framework are that layout and hydraulic designs are solved simultaneously, three objectives are optimized together, and the entire problem solving process is self-adaptive. The model is then applied to a real case study. The results show that finding an optimum degree of centralization could reduce not only the network’s costs by 17.3%, but could also increase its structural resilience significantly compared to fully centralized networks.


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