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Inventions, Volume 9, Issue 4

2024 August - 24 articles

Cover Story: In this study, a methodology for creating additively manufacturable parts in-plane, along with a novel convergence algorithm are presented for the density-based topology optimization. The methodology aims to achieve fast, accurate, easily interpretable, and manufacturable results, improving commercial packages' outcomes. The convergence algorithm, called Adaptive Variable Design (AVD), iteratively modifies the optimization parameters to handle the high nonlinearity caused by the use of filters and imposition of design domains. The results show improvements compared to commercial software through the example of a racing motorcycle triple-tree. This makes it an easy-to-use tool for obtaining 3D printing parts through topology optimization. Additionally, a MATLAB code is provided for free use by the community. View this paper
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Articles (24)

  • Article
  • Open Access
6 Citations
5,191 Views
22 Pages

Technical Requirements of Photovoltaic Inverters for Low Voltage Distribution Networks

  • Krzysztof Chmielowiec,
  • Łukasz Topolski,
  • Mateusz Dutka,
  • Aleks Piszczek,
  • Zbigniew Hanzelka and
  • Tomasz Rodziewicz

The paper presents the results of an experimental study, which was conducted in 2021 and briefly presented at the conference CIGRE Paris Session 2022, as a part of a joint initiative for comparative studies of PV inverters, of AGH University of Scien...

(This article belongs to the Special Issue Recent Advances and Challenges in Emerging Power Systems: 2nd Edition)
  • Article
  • Open Access
7 Citations
6,392 Views
25 Pages

Wi-Fi channel state information (CSI)-based human action recognition systems have garnered significant interest for their non-intrusive monitoring capabilities. However, the integrity of these systems can be compromised by data leakage, particularly...

(This article belongs to the Section Inventions and Innovation in Design, Modeling and Computing Methods)
  • Article
  • Open Access
6 Citations
5,763 Views
10 Pages

Flow Rate Sensor inside Infusion Tube

  • Hsiang-Chen Chui,
  • Ying Xu,
  • Zhiyuan Wang,
  • Xianting Zhang,
  • Rui Li and
  • Kai-Rong Qin

Infusion systems are widely used in clinical medicine. Intravenous infusion therapy must be monitored to ensure patient safety. We proposed a compact flow rate sensor device based on the time-of-flight method. This device included one ceramic heater...

(This article belongs to the Section Inventions and Innovation in Design, Modeling and Computing Methods)
  • Article
  • Open Access
3 Citations
2,294 Views
17 Pages

Managing costs in microgrids presents a formidable challenge due to the intricate blend of renewable and non-renewable energy sources that underpin their power generation. Ensuring seamless integration of microgrids with the national grid is pivotal...

(This article belongs to the Special Issue Innovative Strategy of Protection and Control for the Grid)
  • Article
  • Open Access
7 Citations
6,052 Views
22 Pages

An integral part of laser powder bed fusion (LPBF) quality control is identifying optimal process parameters tailored to each application, often achieved through time-consuming and costly experiments. Melt pool dynamics further complicate LPBF qualit...

(This article belongs to the Section Inventions and Innovation in Advanced Manufacturing)
  • Review
  • Open Access
18 Citations
10,131 Views
48 Pages

Review on Research Progress of Pulsating Heat Pipes

  • Shiqiang Fang,
  • Chong Zhou,
  • Ye Zhu,
  • Zhong Qian and
  • Cheng Wang

Since their invention by Akachi in 1990s, pulsating heat pipes (PHPs) have attracted widespread interest and application in practice, e.g., grinding, chip cooling, the thermal management of batteries, etc., owing to their notable efficiency in heat t...

(This article belongs to the Special Issue Innovations in Heat Exchangers)
  • Article
  • Open Access
5 Citations
2,373 Views
23 Pages

PI3SO: A Spectroscopic γ-Ray Scanner Table for Sort and Segregate Radwaste Analysis

  • Gaetano Elio Poma,
  • Chiara Rita Failla,
  • Simone Amaducci,
  • Luigi Cosentino,
  • Fabio Longhitano,
  • Gianfranco Vecchio and
  • Paolo Finocchiaro

The current scenario of radioactive waste management requires innovative and automated solutions to ensure its effectiveness and safety. In response to this need, the Proximity Imaging System for Sort and Segregate Operations (PI3SO) project was prop...

(This article belongs to the Section Inventions and Innovation in Applied Chemistry and Physics)
  • Review
  • Open Access
26 Citations
8,365 Views
23 Pages

This study presents a comprehensive exploration of vertical take-off and landing (VTOL) aircraft within advanced air mobility (AAM), examining the crucial challenges of integrating these innovative technologies into transportation systems. AAM promis...

(This article belongs to the Special Issue Advanced Technologies and Artificial Intelligence for Sustainable and Intelligent Transportation Systems)
  • Article
  • Open Access
3 Citations
3,450 Views
12 Pages

The use of depressant additives is the most effective and cost-effective way to improve the low-temperature properties of diesel fuels, like the cloud point, cold filter plugging point and pour point. However, the effectiveness of depressant additive...

(This article belongs to the Section Inventions and Innovation in Applied Chemistry and Physics)
  • Review
  • Open Access
28 Citations
8,233 Views
33 Pages

The transition towards a sustainable and renewable energy future is essential to mitigate climate change and reduce greenhouse gas emissions. Small–medium combined heat and power (CHP) systems are increasingly popular for distributed energy gen...

(This article belongs to the Topic Marine Renewable Energy, 2nd Edition)
  • Article
  • Open Access
2 Citations
3,149 Views
13 Pages

Contracted Capacity Optimization Problem of Industrial Customers with Risk Assessment

  • Shih-Hsin Tai,
  • Ming-Tang Tsai,
  • Wen-Hsien Huang and
  • Yon-Hon Tsai

This study developed a risk assessment tool for contract capacity optimization problems using the ant colony optimization and auto-regression model. Based on the historical data of demand consumption, the Least Square algorithm, the Recursive Levinso...

(This article belongs to the Section Inventions and Innovation in Design, Modeling and Computing Methods)
  • Article
  • Open Access
33 Citations
8,116 Views
18 Pages

Real-Time Precision in 3D Concrete Printing: Controlling Layer Morphology via Machine Vision and Learning Algorithms

  • João M. Silva,
  • Gabriel Wagner,
  • Rafael Silva,
  • António Morais,
  • João Ribeiro,
  • Sacha Mould,
  • Bruno Figueiredo,
  • João M. Nóbrega and
  • Paulo J. S. Cruz

3D concrete printing (3DCP) requires precise adjustments to parameters to ensure accurate and high-quality prints. However, despite technological advancements, manual intervention still plays a prominent role in this process, leading to errors and in...

(This article belongs to the Special Issue Innovations in 3D Printing 3.0)
  • Article
  • Open Access
4 Citations
3,574 Views
13 Pages

Software systems are often maintained by a group of experienced software developers in order to ensure that faults that may bring the system down are less likely. Large turnover in organizations such as CERN makes it important to think of ways of onb...

(This article belongs to the Topic Advanced Systems Engineering: Theory and Applications, 2nd Volume)
  • Article
  • Open Access
10 Citations
2,494 Views
13 Pages

The greatest losses during gas transportation occur in the elements of shut-off valves, the operating parameters of which, among other things, depend on the thickness and hardness of the protective coating of the ball plugs. The study of the paramete...

(This article belongs to the Section Inventions and Innovation in Biotechnology and Materials)
  • Review
  • Open Access
6 Citations
9,301 Views
38 Pages

The Future of Septic Tanks: Uncovering Technological Trends through Patent Analysis

  • Raihani Rafie,
  • Azamuddin Hardy,
  • Nuraina Mohamad Zain,
  • Stefan Gödeke and
  • Pg Emeroylariffion Abas

As global urbanisation, industrialisation, and population growth escalate, the production of wastewater also increases, leading to significant water pollution on a global scale. This pollution poses severe threats to environmental health, wildlife, a...

(This article belongs to the Section Inventions and Innovation in Biotechnology and Materials)
  • Article
  • Open Access
6 Citations
3,497 Views
10 Pages

This paper presents the mathematical modeling of the oxygen transfer process using partial differential equations (PDEs). This process is crucial in various environmental and engineering applications, such as wastewater treatment, aeration systems, a...

(This article belongs to the Section Inventions and Innovation in Design, Modeling and Computing Methods)
  • Article
  • Open Access
6 Citations
6,431 Views
21 Pages

Transmission lines serve as pivotal equipment within the power system. Conductors, the primary medium for power transmission and distribution, directly influence the construction cost, operational performance, and long-term benefits of transmission l...

(This article belongs to the Special Issue Recent Advances and Challenges in Emerging Power Systems: 2nd Edition)
  • Article
  • Open Access
2 Citations
2,762 Views
18 Pages

Analysis of a Newly Developed Afterburner System Employing Hydrogen–Methane Blends

  • Florin Gabriel Florean,
  • Andreea Mangra,
  • Marius Enache,
  • Razvan Carlanescu,
  • Alexandra Taranu and
  • Madalina Botu

A considerable number of Combined Heat and Power (CHP) systems continue to depend on fossil fuels like oil and natural gas, contributing to significant environmental pollution and the release of greenhouse gases. Two V-gutter flame holder prototypes...

(This article belongs to the Special Issue Thermodynamic and Technical Analysis for Sustainability (Volume 3))
  • Article
  • Open Access
2,356 Views
26 Pages

Sprinkler irrigation is widely used in agriculture because it allows for rational use of water. However, it can induce negative effects of soil erosion and of surface waterproofing. The scholars of these phenomena use the numerical integration of the...

(This article belongs to the Special Issue New Sights in Fluid Mechanics and Transport Phenomena)
  • Article
  • Open Access
4 Citations
4,380 Views
15 Pages

TCAD Modelling of Magnetic Hall Effect Sensors

  • Vartika Pandey,
  • Vlad Marsic,
  • Petar Igic and
  • Soroush Faramehr

In this paper, a gallium nitride (GaN) magnetic Hall effect current sensor is simulated in 2D and 3D using the TCAD Sentaurus simulation toolbox. The model takes into account the piezoelectric polarization effect and the Shockley–Read–Hal...

(This article belongs to the Section Inventions and Innovation in Biotechnology and Materials)
  • Article
  • Open Access
7 Citations
3,579 Views
28 Pages

To assist an individual with an amputation in regaining daily quality of life, a 2SPU-RU type parallel mechanism was developed based on ankle biomechanics. The inverse kinematic analysis of this mechanism was performed using the vector method. Subseq...

(This article belongs to the Topic Advanced Systems Engineering: Theory and Applications, 2nd Volume)
  • Article
  • Open Access
5 Citations
3,349 Views
19 Pages

Adaptive Variable Design Algorithm for Improving Topology Optimization in Additive Manufacturing Guided Design

  • Abraham Vadillo Morillas,
  • Jesús Meneses Alonso,
  • Alejandro Bustos Caballero,
  • Cristina Castejón Sisamón and
  • Alessandro Ceruti

CAD-CAE software companies have introduced numerous tools aimed at facilitating topology optimization through Finite Element Simulation, thereby enhancing accessibility for designers via user-friendly interfaces. However, the imposition of intricate...

(This article belongs to the Special Issue Innovations in 3D Printing 3.0)
  • Article
  • Open Access
4 Citations
5,123 Views
22 Pages

Road Anomaly Detection with Unknown Scenes Using DifferNet-Based Automatic Labeling Segmentation

  • Phuc Thanh-Thien Nguyen,
  • Toan-Khoa Nguyen,
  • Dai-Dong Nguyen,
  • Shun-Feng Su and
  • Chung-Hsien Kuo

Obstacle avoidance is essential for the effective operation of autonomous mobile robots, enabling them to detect and navigate around obstacles in their environment. While deep learning provides significant benefits for autonomous navigation, it typic...

(This article belongs to the Special Issue Advanced Technologies and Artificial Intelligence for Sustainable and Intelligent Transportation Systems)
  • Article
  • Open Access
3,488 Views
13 Pages

Design Principles for Laser-Printed Macrofluidics

  • Gilad Gome,
  • Ofra Benny,
  • Oded Shoseyov and
  • Jonathan Giron

This paper presents a novel method for fabricating fluidic circuits using laser printing technology. The method allows for rapid prototyping of macrofluidic devices with control over fluid manipulation and environmental conditions. We employed a high...

(This article belongs to the Section Inventions and Innovation in Biotechnology and Materials)
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Inventions - ISSN 2411-5134