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2025 CHI Conference on Human Factors in Computing Systems, CHI EA 2025

作者： Imai, Atsuhiro Misaki, Daigo Graduate School of Engineering Mechanical Engineering Program Human Interface Lab. Kogakuin University Shinjuku-Ku Tokyo Japan Faculty of Engineering Department of Mechanical Systems Engineering Human Interface Lab. Kogakuin University Shinjuku-Ku Tokyo Japan

ISBN: (纸本)9798400713958

Many fitness trackers monitor physical activity by presenting data such as heart rate and step count in numerical or graphical formats. However, these methods often fail to connect the data with users’ subjective bodily sensations, making it challenging for users to perceive the information as personally relevant. To address this issue, this study proposes a reflective system that integrates embodied interaction with voice narrative feedback. The system utilizes the body as a reference frame for fitness data and presents health information in a story-like format. Results from user studies indicate that the proposed system significantly improves engagement (aesthetic appeal, reward factors) and reduces cognitive load (satisfaction, frustration), showing moderate to large effect sizes. It also strengthens the connection between users and their data. This approach demonstrates the potential to overcome the limitations of traditional fitness trackers, offering a novel and immersive reflective experience in the healthcare and fitness domains. © 2025 Copyright held by the owner/author(s).

关键词： Embodied Interaction Fitness Data Reflection Human-Computer Interaction Large Language Models User Engagement Voice Feedback

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Synthesis of Zeolite from Waste Concrete Powder

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Funtai Oyobi Fummatsu Yakin/Journal of the Japan Society of Powder and Powder Metallurgy 2022年第5期69卷 208-212页

作者： Harada, Satori Kanda, Yasuyuki Mechanical Systems Engineering Course Graduate School of University of the Ryukyus 1 Senbaru Nishihara-cho Nakagami-gun Okinawa903-0213 Japan Mechanical Engineering Program School of Engineering Faculty of Engineering University of the Ryukyus 1 Senbaru Nishihara-cho Nakagami-gun Okinawa903-0213 Japan

This study investigated the conditions for zeolite synthesis from waste concrete powder (WCP) using the hydrothermal synthesis method. The WCP was prepared by milling the waste concrete using pot mill equipment. The synthesis conditions, i.e., the heating time, heating temperature, and NaOH solution concentration were varied. Furthermore, hydrochloric acid-treated WCP (WCP-HCl), which is removed the calcium component, was prepared to examine the effectiveness of acid treatment in the zeolite synthesis. The zeolite synthesis was investigated using X ray diffraction (XRD) and scanning electron microscopy (SEM). Analcime-type zeolite was synthesized using WCP and WCP-HCl. The requirements of synthesis conditions for analcime were as follows: heating time above 12 h, heating temperature above 433 K, and NaOH solution concentration above 2 mol/ L. With a progressive increase in the concentration of the NaOH solution from 5 to 7 mol/L, analcime could be synthesized at NaOH concentrations below 4 mol/L, while cancrinite was synthesized at NaOH concentrations exceeding 5 mol/L. The peak intensity of analcime and cancrinite of WCP-HCl showed high value in comparison to the WCP. Thus, the effectiveness of the HCl treatment of WCP was confirmed from the XRD patterns. ©2022 Japan Society of Powder and Powder Metallurgy.

关键词： Hydrothermal synthesis

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The Effect of ADAS System on Driving Safety in a Heavy Electric Vehicle 7

The Effect of ADAS System on Driving Safety in a Heavy Elect...

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7th International Conference on Electric Vehicular Technology, ICEVT 2022

作者： Hidayati, Noor Prasetya, Sonki Handaya, Devi Kamal, Dianta Mustofa Labibah, Shenni Meila Khalda Politeknik Negeri Jakarta Applied Undergraduate Study Program of Manufacturing Engineering Depok Indonesia Politeknik Negeri Jakarta Diploma 3 in Mechanical Engineering Study Program Depok Indonesia Politeknik Negeri Jakarta Magister of Manufacturing Technology Engineering Depok Indonesia Politeknik Negeri Jakarta Study Program of Energy Conversion Engineering Depok Indonesia

ISBN: (数字)9781665409421

ISBN: (纸本)9781665409421

The use of intelligent technology has been widely applied to vehicles. ADAS (Advanced Driver Assistance System) is one of the smart features embedded in vehicles, generally directed to assist in driving a vehicle and for safety, such as braking. The development of ADAS is the first step toward an autonomous vehicle system. The braking system currently relies on several detectors, namely Radar, LiDAR, and cameras. The current use of ADAS usually uses a radar system or the integration of radar and cameras. This article aims to analyze the impact of using ADAS in braking assistance with the help of a stereo camera as the object detector to know how much influence intelligent systems for ADAS in driving. Several speeds are compared to see the vehicle's response and the effect of the applied speed with the camera properly. The results show that the speed response can be increased by 0.3 seconds to reduce the delay in the driver's awareness response to identify the object in front of him. Furthermore, the use of a camera-based system as a tool in ADAS in this study can be used for medium speeds of about 50 km/hour. © 2022 IEEE.

关键词： Advanced driver assistance systems

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Efficiency of Eggshell Waste as a Metal Corrosion Inhibitor SS316L Based on Green Technology in Seawater Media 1

Efficiency of Eggshell Waste as a Metal Corrosion Inhibitor ...

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1st engineering and Science International Conference 2024, ESIC 2024

作者： Alfattah, M. Arwati, I.G.A. Arramel Afkauni, A.A. Yofatama, R.M. Mechanical Engineering Program Engineering Faculty Mercu Buana University Jakarta Indonesia Center of Excellence Applied Physics and Chemistry Nano Center Indonesia Tangerang Indonesia Main Secretariat National Research and Innovation Agency Tangerang Indonesia

Utilizing eco-friendly inhibitors offers an effective approach to combat pipe corrosion, as focus has increasingly turned towards options that are cost-effective, environmentally benign. The research investigates the application of waste from domestic chicken eggshells as a corrosion inhibitor. The objective of this study is to evaluate the effectiveness, morphology, and chemical properties of 316L stainless steel when treated with these eggshell-based inhibitors. The study employed several techniques, including EPD coating, potentiodynamic polarization, SEM, and Raman spectroscopy in seawater. The findings indicated that the lowest corrosion rate was observed in specimens treated with a 14g inhibitor concentration, with an average rate of 6.24883x10-4 mmpy with the efficiency 96.09%. Analysis SEM revealed that the sample without any inhibitors exhibited numerous small cavities on its surface. In contrast, the sample with a 14g inhibitor concentration showed a reduction in these cavities and a darker surface appearance due to the presence of a layer of adsorbed eggshell powder. Raman spectroscopy of the samples treated with 14 grams of eggshell powder, the final product of corrosion has disappeared, but there is still a α-FeOOH feature and its intensity is greatly reduced. drastic. This signifies that the use of an eggshell coating has effectively prevented corrosion. © 2025 Institute of Physics Publishing. All rights reserved.

关键词： Seawater corrosion

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Cidade Inteligente: análise da evolução dos indicadores de uma Cidade Universitária da região norte a partir da ISO 37122:2020 15

Cidade Inteligente: análise da evolução dos indicadores d...

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15th IEEE International Conference on Industry Applications, INDUSCON 2023

作者： Santos, Lucas Henrique Brito de Sousa Silva, Kaylane Lobato, Elen Priscila dos Santos, Jhennifer Freitas Manito, Allan R.A. da Silva Fonseca, Wellington de Oliveira e Silva, Marcelo Faculty of Electrical and Biomedical Engineering Federal University of Pará Belém Brazil Electrical Engineering Graduate Program Federal University of Pará Belém Brazil Mechanical Engineering Graduate Program Federal University of Pará Belém Brazil

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Monitoring industrial systems using ESP-NOW protocol with Mesh and Ad Hoc network 15

Monitoring industrial systems using ESP-NOW protocol with Me...

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15th IEEE International Conference on Industry Applications, INDUSCON 2023

作者： Santos, Lucas Henrique Brito da Silva, Eduardo José Monteiro de Oliveira Farias, Aleqssandro Alexandre dos Santos, Jhennifer Freitas Morais, Iago Ranieri Miranda Rodrigues da Silva Fonseca, Wellington de Oliveira e Silva, Marcelo Faculty of Electrical and Biomedical Engineering Federal University of Pará Belém Brazil Electrical Engineering Graduate Program Federal University of Pará Belém Brazil Mechanical Engineering Graduate Program Federal University of Pará Belém Brazil

ISBN: (纸本)9798350314182

Nowadays, industrial processes are creating increasing demands for optimized and efficient sensing systems and require high reliability and a short time interval for information delivery. This paper presents an embedded sensor system that uses the ESP-NOW protocol with a Mesh and Ad Hoc network, in order to provide an auto mesh configuration upon failure at some point in the network. This system was implemented to monitor the variables of an induction motor, after which, before sending the data to the cloud, local processing is performed to reduce the volume of data. Finally, a computer simulation of the WROOM-32 module is performed for a thermal analysis during its operation, where the heating points of the plate are identified and analyzed, in order to validate that the system, even processing a large amount of data, maintains a high reliability during its operation. ©2023 IEEE.

关键词： ad hoc espnow mesh simulation thermal

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Effect of Cu addition on electrochemical activity of ribbons of Mg-Al-Ca anode materials for magnesium rechargeable batteries manufactured by rapid solidification method

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Keikinzoku/Journal of Japan Institute of Light Metals 2024年第1期74卷 14-17页

作者： Fukui, Shunsaku Tsukeda, Tadayoshi Aida, Tetsuo Tabata, Hironobu Kurihara, Hideki Suzuki, Mayumi Program of Materials Science and Engineering Studies in Science and Engineering Graduate School of Science and Engineering University of Toyama 3190 Gofuku Toyama-shi Toyama930-8555 Japan Faculty of Sustainable Design Academic Assembly University of Toyama Toyama-shi Toyama Japan CHUETSU METAL WORKS CO. LTD. Nakaniikawa-gun Toyama Japan Saitama Industrial Technology Center Kawaguchi Kawaguchi-shi Saitama Japan Department of Mechanical Systems Engineering Faculty of Engineering Toyama Prefectural University Imizu-shi Toyama Japan

The potential for magnesium storage batteries to become the next generation of rechargeable batteries is high. This is largely due to the abundance of magnesium metal resources and their high safety and electric capacity per volume. Our research team has been studying magnesium alloys as anode materials for these batteries. Specifically, we have been investigating the electrochemical activity and mechanism of adding copper to Mg-9mass%Al and Mg-9mass%Al-3mass%Ca. Our findings indicate that the electrochemical activity increased with the addition of 1mass%Cu, but decreased with the addition of 3mass%Cu. In addition, changes in lattice constant and basal orientation were also observed. These changes decreased with 1mass%Cu and increased with 3mass%Cu. SEM observations showed that the cell delimitation was indistinct for the 1%Cu addition. © 2024 The Japan Institute of Light Metals.

关键词： Secondary batteries

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Novel cubic heterojunction Fe2O3/ZnO composite for the photocatalyst application

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Materials Today: Proceedings 2023年 75卷 1-8页

作者： Hemnil, P. Prapawasit, Y. Karthikeyan, V. Wongwuttanasatian, T. Seithtanabutara, V. Energy Engineering Program Faculty of Engineering Khon Kaen University 40002 Thailand Mechanical Engineering Division Khon Kaen University Khon Kaen 40002 Thailand Center for Alternative Energy Research and Development Khon Kaen University Thailand Department of Chemical Division Khon Kaen University Khon Kaen 40002 Thailand

Dye Sensitize Solar Cell (DSSC) gained attention as a replacement for silicon solar cells owing to operational and economic benefits. This study aims to synthesize the Fe2O3/ZnO composites using two different methods;Hydrothermal-calcination (HTC) and Hydrothermal (HT) method. The prepared samples structural properties were analysed using XRD, SEM/EDX, BET, FTIR, and TGA. It was found that the HT-Fe2O3/ZnO composite had a lower crystalline peak with a higher specific area of 34.855 m2/g than HTC-Fe2O3/ZnO composite as the formation of ZnO and Fe2O3 was well hybrid structure via atomic substitution mechanism. The particle characterization of HTC-Fe2O3/ZnO showed that Fe2O3 surrounding ZnO and had the composition of Fe, Zn and O of 16.71 wt%, 62.90 wt% and 20.39 wt%, respectively. HT-Fe2O3/ZnO showed a cubic structure with higher content ot Fe (47.63 wt%), lower content of Zn (34.89 wt%) and O (17.48 wt%). Both composites prepared from HT and HTC methods attained high absorbency in the ultra-violet and visible range, advantageously HT-Fe2O3/ZnO exhibits better absorbance in the visible light range, thus, resulting in a band gap energy is lower to 2.98 eV. Therefore, HT-Fe2O3/ZnO material is recommended for DSSC to achieve higher performance. © 2022 Elsevier Ltd

关键词： Zinc oxide

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Application of the K-Medoids Clustering Model and Borda Decision Group in Viewing Flood Area Groupings in North Aceh Regency

Application of the K-Medoids Clustering Model and Borda Deci...

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Artificial Intelligence and Image Processing (IWAIIP), International Workshop on

作者： Wahyu Fuadi Ilham Sahputra Dedi Fariadi Agustinar Informatics Engineering Study Program Faculty of Engineering Universitas Malikussaleh Lhokseumawe Indonesia Information Systems Study Program Faculty of Engineering Universitas Malikussaleh Lhokseumawe Indonesia Electrical Engineering Study Program Faculty of Engineering Universitas Malikussaleh Lhokseumawe Indonesia

The importance of the K-Medoid model in viewing disaster-prone areas in each sub-district in North Aceh. The advantage of the k-medoid model results is that it has better cluster centers than other models. The novelty of this research is the cluster results are assessed by each decision maker using the Borda group model in providing flood disaster assistance or areas that are a priority for handling, which are included in the flood-prone cluster. Therefore, this research is important because it can be used to identify areas most severely affected by flooding. This research aims to analyze and identify the impact of flood hazards based on grouping and decision-making using the Borda group model in each sub-district in North Aceh. The results of the k-medoids model show 3 clusters that can see potential areas for flood disasters, namely very vulnerable. There are six sub-districts. For the k-medoids results, ten sub-districts are vulnerable. Lastly, the safe zones are 11 sub-districts. This research’s k-medoid model analysis is more precise in seeing clusters of places that are potentially affected by flooding based on spatial maps of their nearest neighboring areas. The percentage of each cluster is as follows: Cluster 1 is 4%, Cluster 2 is 55%, and Cluster 3 is 41%. The k-medoid model provided this result after three iterations, with a closeness difference of 1.594510537. The results of the Borda model group research can be used as a recommendation for the areas that receive the highest priority in disaster management.

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Entropy-Based Analysis of Electromyography Signal Complexity During Flexion of the Flexor Carpi Radialis Muscle Under Varied Load Conditions 4th

Entropy-Based Analysis of Electromyography Signal Complexity...

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4th International Conference on Electronics, Biomedical engineering, and Health Informatics, ICEBEHI 2023

作者： Katherine Putra, Alfian Pramudita Kurniawan, Angeline Shane Istiqomah, Dezy Zahrotul Sholihah, Nisa’ul Al-Salehi, Khalid Ali Salem Ain, Khusnul Sapuan, Imam Andarini, Esti Biomedical Engineering Master Program Department of Physics Faculty of Science and Technology Universitas Airlangga Surabaya60115 Indonesia Biomedical Engineering Study program Department of Physics Faculty of Science and Technology Universitas Airlangga Surabaya Indonesia Department of Physics Faculty of Science and Technology Universitas Airlangga Surabaya Indonesia School of Nursing Southern Medical University Guangdong Guangzhou510515 China

ISBN: (纸本)9789819714629

The motor impairments that stroke patients experience as a primary contributor to death and disability also impact their quality of life. Due to its characteristics as complex muscle signals, the Electromyograph (EMG) signal may be one of the markers in rehabilitation and a substitute that may be used to judge the success of rehabilitation. This study aims to analyze the complexity of EMG signals originating from the flexion of the flexor carpi radialis muscle with various weights indicating the rehabilitation state. It is important to monitor the progress of rehabilitation, and it can be done by using complexity analysis. The complexity of the EMG is examined in this work utilizing entropy measurement, namely Approximate Entropy (ApEn), Sample Entropy (SampEn), and Fuzzy Approximate Entropy (fApEn). We concentrated on the flexor carpi radialis muscle using flexion–extension exercises and varying the weight load. This study’s results indicate differences in the complexity of the EMG signal in the flexor carpi radialis when performing flexion–extension movements. Three differences showed a correlation based on the value of ApEN, SampEn, and fApEn. Complexity Analysis using fApEn showed the best correlation at R = 0.9966, which can be used to evaluate the rehabilitation process. The increase in weight was followed by the increase of the fApEn value, indicating that the value can be used to evaluate the rehabilitation process. The use of complexity analysis of EMG signal from flexion movement in flexor carpi radialis with various weights can be used to indicate the progress in the rehabilitation process. © The Author(s), under exclusive license to Springer Nature Singapore Pte Ltd. 2024.

关键词： Entropy

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