Physics & Space Engineering: Recent submissions
Now showing items 1-20 of 29
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School Bus Scheduling Problem: A Case Study Of The Canadian International School In Ho Chi Minh City
(2023)The school bus scheducling problem has been research for a half of a decade. However, in Vietnam, this problem still has not reieved adequate attention. The aim of the thesis was to solve a school bus routing system. The ... -
An Improved Branch-And-Price Algorithm To The Capacitated Vehicle Routing Problem With Time Window
(2023)Motivated by real-life needs to reduce high operational costs and satisfy growing delivery demand as well as the essence of its NP-hardness, this study aims to construct an effective solution method to the state-of-the-art ... -
Application Of Dmaic In Quality Improvement By Reducing Defects: A Case Study Of Scancom Vietnam
(2023)This thesis focuses on the application of the DMAIC (Define, Measure, Analyze, Improve, Control) methodology in reducing defects and improving quality in the assembly process of Scancom Vietnam. The study utilizes data ... -
Algorithms And Models For Schedule Design And Bus/Car Fleet Assignment To Build Large-Scale Continuous Freight Routes
(2023)This research presents the results of our research project on optimizing the utilization of intercity bus trips by combining them into a single transportation route. The project focuses on efficiently utilizing available ... -
Capacitated Drone Routing Problem With Time Windows And Scheduled Lines: Mathematical Formulation And Metaheuristic Approach
(2023)The rise of e-commerce has led to both opportunities and challenges for last-mile delivery services, requiring companies and logistic providers to invest in more efficient and energy-efficient last-mile delivery systems. ... -
Traffic Light Signal Timing At Rush Hours: A Case Study At An Phu Intersection
(2023)Traffic density in Vietnam has increased rapidly, leading to frequent and prolonged traffic jams. Therefore, traffic light systems play an important role in controlling and regulating vehicles at intersections to limit ... -
Minimizing Total Weighted Tardiness On Parallel Batch Machines With Incompatible Job Families In Semiconductor Industry
(2023)Batch scheduling is a commonly employed method in different industries, including the semiconductor manufacturing sector. The main objective of this research is to minimize the total weighted tardiness on parallel batch ... -
Solving A Hybrid And Flexible Flow Shop Scheduling Problem With Time-Varying Demand For Fmcg Industry: A Case Of Unilever Vietnam
(2023)In this research paper, we tackle the Hybrid Flowshop Scheduling Problem with Demand Variation (HFSP-DV), a challenging problem in production scheduling. We develop a mixed integer programming model tailored specifically ... -
Optimizing Cross Docking Operation -A Case Of Dc Mega Market At Gemadept Logistics
(2023)Cross-docking is a strategy which can help consolidate the goods in the supply chain and save costs by reducing the number of trucks. It is also a practice that helps to consolidate items in the supply chain while also ... -
An Application Of Advanced Big Data Analytics For Analyze Customer Transaction Behaviour A Case Study Of Grab Express Vietnam
(2023)Big data analytics (BDA) is gaining increasing attention in supply chain management (SCM) due to its various applications, such as analyzing customer behavior, identifying trends, and predicting demand. For this, as a ... -
Analysis Of Physical Properties Of Water Rockets In Flight And Theoretical Velocity Calculation: A Comparative Study With Actual Results
(2023)The thesis focuses on designing a multistage water rocket to launch CanSat. I will explain the procedures for launching water rockets as well as the steps to optimize them. I also designed an electronic circuit with an ... -
Developing A Search-Coil Magnetometer Breadboard Circuit
(2023)The search for precise and efficient measurement techniques in magnetometry has given rise to the growth of multiple sensor technologies. Among them is the coil sensor (also known as induction coil, pickup coil, or ... -
Exploring Drought Characteristics In Vietnam During The Period 2001 – 2022 Using Modis Images
(2023)Natuaral disaster, especially drought is one of big problem in Vietnam in many years, mainly responsible for serious damaged for the agriculture and the economy. This study focuses on exploring the trend of drought ... -
Global Distribution Of Nmf2 And Hmf2 Seen By Cosmic-2 Satellites
(2023)This study investigates the diurnal and seasonal variations of the low latitude ionosphere using COSMIC-2 radio occultation data in 2020-2021. By analyzing electron density profles, intriguing patterns are revealed in ... -
Forest Cover Change Detection From Sentinel-2 Imager Using Vector Change Analysis, A Case Study Of Phu Quoc Island During The Period Of 2019 - 2023
(2023)The main objective of this project is to detect forest changes in Phu Quoc Island during the period of 2019 – 2023 using Vector Change Analysis. Phuc Quoc is the largest island in Vietnam, located off the coast of Southern ... -
Flood Monitoring In The Mekong Delta, Vietnam Using Sentinel-1 Images From 2020 To 2022
(2023)Flooding is a destructive natural calamity that may destroy infrastructure, crops, and houses, as well as cause fatalities. Remote sensing technology is an effective technique for mapping and monitoring floods. Remote ... -
Sentinel -2 - land use and land cover using convolutional neural network in Da Lat city
(2021)Land use and land cover (LULC) classification have been generated for a wide range of applications such as urban planning, environmental monitoring, etc. To respond, a number of classification techniques have been ... -
Modeling the impact of radiative feedback from a red supergiant on circumstellar dust
(2021)Evolved stars (AGB and RSG stars) are one of the main sources of complex molecules and dust in the universe. They form dust by condensation of gas species in their circumstellar envelopes (CSEs). The extinction of the ... -
Monitoring agriculture crops using sentinel -2 satellite: A case study of coffee in Hoa Dong, Dak Lak province
(2021)In Vietnam, coffee is one of the most valuable traded commodities, which is planted in high altitude areas such as Tay Nguyen, Lam Dong, Cau Dat, etc. Among those, Dak Lak province, located in Central Highland, is one ... -
Schematic design and verification of the on-board computer for micro and nano satellites
(2021)On-board Computer (OBC) is a very crucial component in any satellites. It is considered the brain that connecting and controlling subsystems. For each different space missions, requirements for OBC have various standards. ...