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TPA Robot Contest Thailand Championship

Abstract

Inventing robots for the TPA Robotics Competition Thailand Championship 2024, game “Rice Way, Thai Way to the International Way (HARVEST DAY)”

Objective

สมาคมส่งเสริมเทคโนโลยี (ไทย-ญี่ปุ่น) จัดแข่งขันหุ่นยนต์ ชิงถ้วยพระราชทาน ทุกปี

Other Innovations

Herbal Happy Clean

คณะศิลปศาสตร์

Herbal Happy Clean

Multipurpose cleaner from Stemona (Stemonaceae) effectively cleans all surfaces,removes insects and stains, and is safe and eco-friendly

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Air Quality Index Prediction Using Ensemble Machine Learning Methods

คณะวิทยาศาสตร์

Air Quality Index Prediction Using Ensemble Machine Learning Methods

This special problem aims to study and compare the performance of predicting the air quality index (AQI) using five ensemble machine learning methods: random forest, XGBoost, CatBoost, stacking ensemble of random forest and XGBoost, and stacking ensemble of random forest, SVR, and MLP. The study uses a dataset from the Central Pollution Control Board of India (CPCB), which includes fifteen pollutants and nine meteorological variables collected between January, 2021 and December, 2023. In this study, there were 1,024,920 records. The performance is measured using three methods: root mean square error (RMSE), mean absolute error (MAE), and coefficient of determination. The study found that the random forest and XGBoost stacking ensemble had the best performance measures among the three methods, with the minimum RMSE of 0.1040, the minimum MAE of 0.0675, and the maximum of 0.8128. SHAP-based model interpretation method for five machine learning methods. All methods reached the same conclusion: the two variables that most significantly impacted the global prediction were PM2.5 and PM10, respectively.

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Ancient gold, Praow Daendin dessert

วิทยาเขตชุมพรเขตรอุดมศักดิ์

Ancient gold, Praow Daendin dessert

Traditional Thong Yip dessert, or locally known as Khee Man dessert, is a dessert made from flour made from yellow rice.

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