Faculty Profiles - MATSUI Yasuhiro

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Behavior modification effect and its influence factors of food loss reduction campaign

Yasuhiro MATSUI, Rikuo FUKUMORI, Atsushi FURUKAWA

2025.2.5

Enlightenment effect of campaing on food loss reduction by web-app for online broadcasting at food corner

MATSUI YASUHIRO, FUKUMORI RIKUO, FURUKAWA ATSUSHI

Proceedings of the 35th Annual Conference of Japan Society of Material Cycles and Waste Management 2024.9.10 Japan Society of Material Cycles and Waste Management

Event date： 2024.9.9 - 2024.9.11

Language：Japanese Presentation type：Poster presentation

In October 2022, the authors developed a web app for online broadcasting at food corners. To motivate the purchase of discount foods, the authors installed live cameras at food corners of supermarkets and a department store, and delivered the still images, names, prices, and discount rates of discount foods via the web app. As the second round, the authors conducted the food loss reduction campaign named “Nokorifuku Campaign Part 2” including approaches for awareness raising and behavior modification on purchase of discount foods and Temaedori behavior by posting enlightenment materials published by MAFF and humorous poems by university students at food corners. Two phase web-surveys for users of web-app before and after the campaign were implemented, and actual usage of web-app, recognition rates of enlightenment materials, and behavior modification effect of food loss reduction were analyzed in this study.

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Participation and relating factors for campaign on food loss reduction by web-app for online broadcasting at food corner

Yasuhiro MATSUI, Ryota INABA, Haruna TAKAGAWA

2024.1.25 JAPAN WASTE MANAGEMENT ASSOCIATION

Campaing on food loss reduction by web-app for online broadcasting at food corner

Yasuhiro MATSUI, Ryota INABA, Haruna TAKAGAWA

2023.9.12

Analysis on influence factors on ethical consumption behavior by association analysis

Yasuhiro MATSUI, Naho MINAMI

2023.1.26 JAPAN WASTE MANAGEMENT ASSOCIATION

Model Construction of Ethical Consumption by Bayesian Network

Matsui Yasuhiro, Takagawa Haruna, Tanaka Aren

Proceedings of the 33rd Annual Conference of Japan Society of Material Cycles and Waste Management 2022.9.21 Japan Society of Material Cycles and Waste Management

Study on demand/supply matching potential of food loss using food loss generation data from supermarkets and food utilization data of welfare facilities

Yasuhiro MATSUI, Yukie KIRIU

Proceedings of 43th conference of Japan waste management association 2022.1.25

Supply and Demand Matching Using Data on Generation and Utilization Potential of Food Loss from business sectors

Yasuhiro MATSUI, Yukie KIRIU, Kanta OKIMOTO

Proceedings of 32nd conference of Japan Society of Material Cycles and Waste Management 2021.10.25

Study on demand/supply balance of food loss from business sectors and effects of 3R policies in Okayama

Yasuhiro MATSUI, Yukie KIRIU

2021.1.20

Estimation on generation, utilizable potential and 3R scenarios of food loss from business sectors in Okayama prefecture

Yasuhiro MATSUI, Yukie KIRIU

Proceedings of 31st conference of Japan Society of Material Cycles and Waste Management 2020.9.16

Political effect analysis on return behavior of returnable glass bottles by Bayesian network

Yasuhiro MATSUI, Yukie KIRIU

2019.12.15

Estimation of household solid waste generation and composition in a Mekong delta City, Vietnam

Nguyen Phuc Thanh, MATSUI YASUHIRO, FUJIWARA TAKESHI

Proceedings of the Annual Conference of Japan Society of Material Cycles and Waste Management 2009 Japan Society of Material Cycles and Waste Management

Event date： 2009

Language：Japanese

A one-month survey focused on 100 households was conducted in Can Tho City. The household solid waste was collected from each household and classified into 83 categories. The results showed that the average household solid waste generation in Can Tho City was 0.29 kg per capita per day with high compostable portion and recyclable as 82% and 10%, respectively. The household solid waste generation rate (kg/cap/day) was positively correlated with the population density, while it was negatively correlated with the household size. Moreover, the discharge amount per capita per day of household solid waste by each fraction is positively correlated with the urbanization level.

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都市ごみ処理計画支援システムの研究 -試作版ソフトウェア開発-

田中勝, 大迫政浩, 河村清史, 山田正人, 松井康弘, 藤井崇, 齊藤聡, 杉山涼子, 栗原和夫

廃棄物学会研究発表会講演論文集 = Proceedings of the Annual Conference of the Japan Society of Waste Management Experts 1998.10.10

厨芥類分別処理システムに関する一考察 -厨芥類の排出状況および意識に関する実態調査-

松井康弘, 加藤みづほ, 大迫政浩, 井上雄三, 田中勝

廃棄物学会研究発表会講演論文集 = Proceedings of the Annual Conference of the Japan Society of Waste Management Experts 1995.10.1

4-6 アカウキクサの生育にともなう代謝変動(4. 土壌生物)

松井康弘, 関谷次郎

日本土壌肥料学会講演要旨集 1992 一般社団法人日本土壌肥料学会

Study for using tracking data of MSW collection and transport in Da Nang City, Vietnam

MATSUI YASUHIRO, KOCHI TAKAFUMI

Proceedings of the Annual Conference of Japan Society of Material Cycles and Waste Management 2019.9.19

Language：Japanese Presentation type：Poster presentation

In Da Nang City, GPS loggers are mounted on a part of the waste collection vehicles for the purpose of improving work management and collection efficiency, and the tracking data is constantly accumulated. In this research, with the aim of obtaining knowledge useful for improving the waste collection efficiency of Da Nang City, the author decided to examine collection efficiency and its influencing factors using these tracking data. In addition, for the waste discharged in the 5 central wards of Da Nang city, the author conducted interval estimation of total working time of the day using the work efficiency indices obtained in this study, and also analyzed the uncertainty of the model parameters to verify the reliability of them.

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Study on demand prediction for food loss reduction at supermarkets

KIRIU YUKIE, MATSUI YASUHIRO, OTA KOICHI, OKAMOTO TOMOKI

Proceedings of the Annual Conference of Japan Society of Material Cycles and Waste Management 2019.9.19

Language：Japanese Presentation type：Poster presentation

Retail companies like supermarkets discharge food losses by the differences between their order amounts and sales amounts within freshness/expiration dates of foods. Because the minimization of the differences by accurate prediction of daily sales would directly link to the reduction of food loss, the sophistication of sales amount by the application of weather information and AI is considering.
This study focused on the daily sales of rice balls that were difficult to be predicted because of its wide variation, and studied to improve the accuracy of prediction by the application of Deep Learning, which attracts rising attention on the helpfulness for prediction and classification purposes.

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生協宅配事業におけるリユースびんの返却行動とその促進方策に関する研究

松井康弘

全国都市清掃研究・事例発表会講演論文集 2018.12.20

A study on operational efficiency of collection and transport of waste and recyclables

MATSUI YASUHIRO, KASAI SHOGO

Proceedings of the Annual Conference of Japan Society of Material Cycles and Waste Management 2018

Language：Japanese

本研究では、分別収集に係る基礎データを収集・整備することを目的として、デジタルタコグラフ、GISソフトウェアを使用し、A市Y地区及びX地区を対象としてごみの収集･運搬の作業実態に関する基礎データを収集・解析した。松井は、A市X地区のデータを用いた解析結果を既報¹で報告しているが、本研究では解析対象をA市Y地区に拡大し、X地区のデータと合わせて作業効率と地域要因との関連を検討するとともに、運搬・積込・地点間移動・積み下ろし等の工程別の収集効率指標の原単位・推定モデルを構築した。またA市Y地区の可燃ごみを対象に最適巡回ルートを求め、本研究で得られた原単位・推定モデルを用いて一日の総作業時間を区間推定した。

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デジタルタコグラフを用いた収集・運搬の運行記録データの収集及びその活用に向けた一考察

松井康弘

全国都市清掃研究・事例発表会講演論文集 2017.12.15

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