School of Engineering & Physical Sciences (SEPS)

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The School of Engineering and Physical Sciences (SEPS) has been a school of NSU since its inception. The growth of SEPS parallels NSU’s rise to the top. SEPS, the second-largest and fastest-growing school at NSU, provides a knowledge and skill-based learning environment to its students in the fields of engineering, architecture, and physical sciences.

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Open Access
Electricity generation using gravity and buoyancy force
(North South University, 0000) Amena Akter Sumona; Abdullah Al Noman; Anisur Rahman; Shah Sadad Ahmed Nabil; Zunayeed Bin Zahir; 1510209043; 1513174043; 1510652043; 1220793643
The consumer of electricity is increasing day by day due to many domestic and convenient electric devices like TV, fridge, lift etc. As a result, production of electricity has also increased over the years. Patrol, gas, coal etc are used to produce electricity, which causes environmental pollutions and global warming. If that goes on for too long, there will be a time when the earth may need to face the scarcity of all those resources in the near future. Consequently, there is a huge need for producing power from renewable sources. The reason for choosing gravity is that it is available everywhere on Earth and it does not diminish. In this project we present an electrical generator, which will be powered by gravitational and buoyancy force. The generator is divided in two parts, the mechanical domain and the electrical domain.
Embargo
Design of a low voltage digital thermostat using LM35 and PIC Microcontroller
(North South University, 2013) Kaiser Alam; K. M. A. Salam; 072163045
This system is about the design of a low cost temperature sensing and control system (thermostat) with the use of PIC microcontroller and LM35 temperature sensor. The system is relatively inexpensive to make and can be integrated with temperature control systems such as air conditioners and fans. Apart from making temperature control systems more affordable for everyone, this system also helps save energy by automatically switching the devices on or off at the appropriate temperatures. In this project the LM35 and PIC16f877a microcontroller have been used to make a digital thermostat that is programmed to switch on and off a fan automatically when the temperature rises above or falls below a certain threshold value. The device also includes a LCD display to indicate the ambient temperature to the user. The threshold temperature can be programmed into the PIC microcontroller using a PIC programmer. The device as a whole works as a digital thermostat. Commercially available digital thermostats work at 24V AC typically. Some versions use a low voltage as low as 6V or as high as 30V. In this project the thermostat design allows it to operate at only 5V, making it more energy efficient than currently commercially available digital thermostats. The versatility of the system allows it to integrate with many different devices. Apart from air conditioners, furnaces and fans, this system can be used to build incubators or to maintain a constant temperature in your refrigerator at home.
Open Access
Microsoft Project Management System
(North South University, 2014-09-25) Asim Mandal; Mr. Tarif Riyad Rahaman; 0930198042
Project management is a prime essential for any business, corporation or company. Without proper project management it becomes impossible to keep track of the current status of processes and plans. Microsoft Project Management System helps just to do that and even more. It lets all the working team a proper view and lets them edit, update or modify a process according to the deadline. And it also provides different view/edit permissions to different groups. We have to configure a server for Microsoft Project Management System as it can be accessed from anywhere in real time view.
Embargo
Smart Speed Control and Road Safety System
(North-south University, 2017-12-31) Md. Porag Sarkar; Samiha Lubaba; Md. Muktadir Hossain; Dr. Md. Shahriar Karim; 1320570042; 1510806645; 1530219045
This report presents the design and the implementation of the project “Smart Speed Control and Road Safety System”. Road way incidents have become one of the leading causes of unfortunate death tolls in our country in recent years which are mostly occur because of over speeding, unusual hard braking, carelessness of drivers, bad condition of the vehicles, poor services, not following the road regulations etc. Therefore, this project has come up with a solution which provides an efficient vehicle speed, hard brake and location monitoring system. The system enables the administrators and it’s users to track those parameters of the vehicle in real time. It has also the feature to rate and review about the whole service’s quality and safety.
Open Access
Traffic Analysis and Prediction Application for Dhaka City Using Clustering and Association Rule Mining and Activity Recognition Using Logistic Regression
(North-south University, 2017-12-31) Muyeed Ahmed; Mir Tahsin Imtiaz; Raiyan Khan; Dr. M. Rashedur Rahman; 1411256042; 1330220042; 1411815042
Traffic is one of the major problems for any populated city. Currently, there are many traffic alert systems available and almost all of them work with user submitted inputs to give those alerts. We worked on developing a system that will not depend on any user’s manual input but it will be able to retrieve traffic and activity related data from the user’s device and vehicle tracking devices automatically in order to use that data to predict traffic and alert users. Our system tries to understand the user’s activity using accelerometer sensor data and speed to determine whether the user is sitting at home or going somewhere by a bus or car. Once it is verified that the particular user’s location and activity is related to traffic conditions, it takes that user’s location related data from his or her device. Using this data from user’s devices and the data from vehicle tracking devices, we intended to predict the traffic conditions and let users know about the traffic for particular routes.
Open Access
Multipurpose Agro System
(North South University, 2018) Md. Omar Faruque Shah; Surith Bhowmick; Shahnewaz Siqqique; 1411288043; 1410132043
An agricultural mechanism or agro mechanism could be a mechanism conveyed for agricultural capacities. The most space of use of robots in agriculture is seeding robots square measure intended to trade human work. The agricultural business is behind elective integral businesses in exploitation robots because of the sort of occupations worried in agriculture are no and burrow. This project talks about building up a mechanism fit for movement activities like programmed seeding and burrow. It also gives manual administration once required and monitors the wetness with the help of wetness sensors. Then primary part here is that the small scale controller that manages the entirety strategy. The agro-robots are fit for performing self-ruling driving also, three programmed agricultural activities, viz. hilling, mulching, and sowing of seeds in the separate request. The information got from different sensors on the field is later transmitted to the controller through ZigBee system to roll out the improvements in the control program to get wanted field yield. The exploration is directed to give help to farmers by decreasing work hours for agricultural exercises by implementing automation. This study will give another option to the existing systems with apparatuses appended behind tractors and thorough manual activities on agricultural field at successful cost.
Open Access
KenaBecha: An E-Commerce Website And Mobile Application For Buyers And Sellers
(North South University, 2018) Irtiza Nahian Faiza Sanha; Md.Shah Alam Chowdhury; Shamanna Ferdous Haque; Mohammad Monirujjaman Khan; 1520448042; 1430501042; 1410904042
With growing use of internet, people are now able to reach out to the world as fast and as efficiently ever. In this project, an interactive multimedia is developed where sellers from rural areas will be able to contact with the buyers all around the country directly. The system will be accessible via internet and available to the target population through computers or laptops and even smart phones very easily. The project includes content designing, web portal development and application development. We hope that the project will make lives easier for the targeted population. The buyers and sellers will be able to view the products online. This would eliminate any middlemen among them and make it much easier for users in terms of usability
Open Access
Anti-Snap Elevator Door System
(North South University, 2018) Merajul Islam; Sadia Ahmed; Hossain Md. Sadman; Dr. Nova Ahmed; 1311046043; 1331085045; 1410409642
In Bangladesh, commuters face many accidents involved with elevators. Many development and changes have been made to the architecture and design of elevators keeping both comfort and safety in mind. Yet undesirable accidents related to elevators still occur across the globe. We have created a technology and designed an elevator in such a way that would reduce any fatalities to a minimum. In this technology people can control elevators from the inside. There are multiple buttons inside the elevator, accessible to the passengers, that, when pressed, leads to preventive measures to cease any accidents.
Open Access
A Website and Mobile App Based Intensive Care Unit System
(North-south University, 2018-04-13) Halima Khanom Jolly; Sazzad Hassan Shawon; Junaid Ibna Jafor; Dr. Mohammad Monirujjaman Khan; 1330121042; 1230733042; 1321108042
This report presents the design and the implementation of a website and mobile application based Intensive Care Unit (ICU) system in Bangladesh. In this system any patient and their relatives can find an ICU/CCU/NICU for them with proper information. There is a lack of hospitals and proper ICU facilities in our country. The main purpose of this project is to provide better opportunity for those sufferer patients who can’t find an ICU in their critical time which may sometimes cause a painful death. The system has been designed in such a manner that will help a user as well as a doctor of both rural and urban areas. This system also allows hospitals to share their ICU’s information with the users. We developed this system to help the people of our country who are badly suffering from not having a good ICU system in an easy and affordable way. The system will be accessible from our website and android app via the internet. The report includes content designing, website development and android mobile application development.
Embargo
AUTONOMOUS HEAT SEEKING ROBOT FOR WASTE HEAT EXTRACTION
(North-south University, 2018-04-30) ATKIA SAMIHA; FARHAD HOSSAIN SARKER; ROZA NASER KHAN CHOWDHURY; DR. SHAHNEWAZ SIDDIQUE; 1431038043; 1430648043; 1430697043
The main aim of this project is to maximize the use of waste heat energy. The objective of this project is to detect higher heat emitting objects or surfaces and extract wasted heat energy from that very particular area and convert it into useful energy, such as electrical energy. Like a radar system, the autonomous vehicle keeps rotating until it locks under a threshold value of temperature. The servo motors help the robot to rotate 360 degrees. It uses non-contact thermometer sensor to detect the presence of heat emitting objects or surfaces. The robot will keep moving towards the object, until it reaches the pre-set highest temperature. Once it reaches its destination, with the help of thermoelectric generations, it absorbs heat from that very particular area or radius and converts the unwanted wasted heat energy into electrical energy.
Open Access
Design and Implementation of a High Efficiency Resonant Wireless Power Transfer System
(North-south University, 2018-04-30) Md. Shafiquzzaman; Md. Sajjad Khan; Md. Nasik Jahan Siam; Hasan Uz Zaman; 1410923643; 1410448043; 1310119043
This paper illustrates the design and implementation of a resonant inductive coupling based wireless power transfer system. Our goal was to increase efficiency, as well as distance of power transmission. In this system two copper coils are used along with the resonant circuits. This system consists of a transmitter side and a receiver side. In the transmitter side, a rectifier and a power inverter is used. For generating switching frequency an oscillator circuit is implemented. A logic generator is also needed to maintain the specific order of switching. The power inverter used here is different from conventional ones. It had to be modified so that it gives a high frequency AC signal as its output. In the receiver side, an AC to DC voltage regulator is used. Here, circuit simulation and output are given and compared with the practical values.
Open Access
“Shonabondhu” An IoT based Flash Flood monitoring system
(North-south University, 2018-04-30) Rozana Tabassum; Maisha Mamtaz; Nabila Chowdhury; Dr. Nova Ahmed; 1331126042; 1411213642; 1430549042
Flash Flood is a natural disaster that floods away large area where there are dense presence of rivers within 3-6 hours of heavy rainfall. Bangladesh is one such country where people face this sudden flood problem and loses valuable assets due to lack of proper water level monitoring system as they cannot take precaution beforehand, especially in the rural areas. We are proposing a distributed system using water level monitoring sensors named Shonabondhu. The sensors are distributed near the rivers in the rural areas and the servers that collect data from sensors are used to send alert to the people. The servers use current water level and compare it to the danger water level that has been collected from the data of the previous years. This information is used and broadcasted when the water level increases near the source of the river. We have used our system to monitor the actual water level in the river and got satisfactory results from it.
Open Access
A Portable ECG Machine
(North South University, 2018-04-30) Sabuj Golder; MD Fatin Rahman Behon; Nasik Monowar; Dr. Tanzilur Rahman; 1330061042; 1320907042; 1320164042
Electrocardiography commonly known as ECG is the process of recording electric signals generated from the heart’s rhythm. The accurate Electrocardiogram (ECG) and pulse rate information is one of the most important aspects for the various sorts of heart functioning disorder identification. The paper briefly shows how the project was carried towards the aim and demonstrates a solution for acquiring ECG signals in a portable way. The goal was to make a prototype of a portable ECG-monitoring device is for clinical and non-clinical environments as part of a telemedicine system to provide remote and continuous surveillance of patients. The aim was to make a smart, easy to use, less costly, portable device to observe the heart beat signal from anywhere in any emergency case.
Open Access
Analysis of glucose concentration in a non-invasive way using NIR spectra through linear regression model
(North-south University, 2018-06-30) Mahbubur Rhaman Mishal; Tanvir Tazul Islam; Shahadat Hossain Antor; Dr. Tanzilur Rahman; 1410385042; 1420392042; 1420918042
World Health Organization (WHO) stated that 2.2 million people died in 2012 for high blood glucose and diabetes will be the 7th cause of death by 2030. To improve this situation, a continuous monitoring system of glucose level in blood is extremely necessary for the diabetes patients. The purpose of this study is to propose a signal processing model for the detection of glucose concentration with high accuracy in a non-invasive way. The study includes correction of NIR spectra collected from a mixture of components (glucose, urea, triacetin) through different preprocessing techniques, classify the preprocessed data through linear regression models and performance analysis of the applied techniques on the prediction of glucose concentration. The objective of the study is to identify the best model with optimum result. Baseline correction techniques such as Standard Normal Variate (SNV), Mean Scatter Correction (MSC), Asymmetric Least Square (ALS) and Savitzky-Golay Transformation (SGT) have been applied to remove the scatter from the collected NIR spectra. ALS along with SGT gives the best result in this case. Different filtering techniques have also been applied to remove the noise those came along with the NIR spectra. Chebyshev filter on the ALS+SGT corrected data has the best performance in noise removal. Different linear regression model like PLS, PCR are applied separately on the preprocessed spectra to bring out the targeted result. Several derivative order of PLS also applied and the 3rd order works well than the 2nd order here. The model that applies Chebyshev filter on baseline corrected data by ALS+SGT and do regression through PLS have given the most accurate and clinically acceptable result to isolate the glucose data from the NIR spectra and predict the glucose concentration level. Since this combination among different techniques that are found through this study is able to isolate the glucose data and predict the concentration level from a mixture of different components with high accuracy, we hope that the study will be valuable in realizing a continuous monitoring system of glucose level in noninvasive way in the near future.
Embargo
Analysis Of PPG Signal Of Cardiac Disease
(North-south University, 2018-11-30) Ayesha Siddiqua; Nowshin Mostafa; Syeda Meem Rameen; Dr. Tanzilur Rahman; 1321214045; 1410858042; 1430477043
In this thesis paper we are presenting the result of analysis of Photoplethysmogram (PPG) signal of normal subjects and cardiovascular problematic subjects. Photoplethysmogram (PPG) is a non-invasive and inexpensive method for detection of cardiovascular disease. Photoplethysmogram is a technique that measures blood volume changes from skin which is close to arteries. PPG data were taken from 10 subjects and data were taken from subject’s index finger. Amongst 10 subjects 5 subjects were cardiovascular problematic patients and 5 were normal. Primary cardiac problem detection technique is Electrocardiogram (ECG). ECG is also a noninvasive technique but ECG is expensive compare to PPG. ECG machines are big, not portable and very expensive to have individually at home. ECG is more suitable for hospitals. ECG tests are also expensive. It will cost very large for anyone who wants to keep going on tests of cardiac disease detection at early stage. Compared to ECG PPG is very small, portable and inexpensive. All kind of people can afford PPG based system for cardiac detection at home. In this paper we presented two methods based on PPG signal to analyze cardiac disease one is pulse amped sensor and other one is smartphone. This paper presents all the research, techniques, and algorithm development to analyze cardiac disease using pulse amped sensor and smartphone both individually. Pulse sensor is affordable and 2.1 billion or more people already uses smartphone today's time so any system based on both or any of the way will be low cost and great for early detection of cardiac disease at home or anywhere. Pulse sensor and smartphone both can be a worth alternative of ECG. We hope this study will be valuable to create both or any of the monitoring system for cardiovascular disease detection.
Open Access
HOME AUTOMATION SYSTEM USING BRAIN WAVE
(North South University, 2018-11-30) Mahmudur Khan Tanzid; Zobayda Hossan Arshie; Saima Islam; Shahedur Rahman; Dr. Mohammad Monirujjaman Khan; 1410082042; 1410288042; 1420449645; 1321732043
Brain-computer interface (BCI) is a communication pathway between the brain and the external peripheral devices like computers. We propose to use this technology for Home automation. Home automation can be totally revolutionized using BCI. The brain produces various types of waves like alpha (9-13Hz), beta (14-30Hz), theta (4- 8Hz), delta (1-3Hz). Using these waves we can control various home appliances. The entire concept consists of 4 main stages of detection, amplification, processing, output. First detecting the brain signals using an EEG cap or electrodes. These brain signals are very weak hence in the second stage we need to amplify these brain signals to a usable amount and filter these to remove noise. Then thirdly, we will have to convert these signals into digital by using A to D converter and into a type, a computer software or a microcontroller can understand. Fourth, taking this decoded signal and sending these signals wirelessly, by using an RF circuit to a distant switch circuit, which will turn on or off the appliance in the vicinity. Using this technology, the life of people would be further simplified, physical efforts would be considerably reduced and it would also prove as a boon for physically disabled people.
Open Access
Collaborative Box Pushing by Swarms of Homogeneous Robots
(North South University, 2018-12-31) Mostafa Shahriar Shohad; Atifur Rahman; Tanvir Ahsan Tantu; Sharmin Sultana; Dr. Sifat Momen
Multi-robot systems in everyday use are the next big thing of the future. Division of workload is a very basic field of research in these type of systems that have many agents working together. This very basic phenomenon of load distribution is seen in many living organisms in the world, such as, ants, honey bees, termites, etc. When they are annoyed or disturbed by an internal or external factors, they show attractive abilities to distribute errors in order to counter the situation. Using these examples from nature, we can design new systems and build a framework that can handle complex real world issues by division of workload. This projects aim is to look at how swarms of homogeneous robots collaboratively carry out a task. The project is about a group of robots that can push a box while staying together in a flock. They will be able to detect obstacles in front of them and get past them. They will also be able to detect whether the obstacle in front of them is a robot or not. The main objective of this project is the distribution of workload among small homogeneous robots to execute a specific task, which is to push a box that is heavy enough for a single robot to push. In the near future, this project will help researchers to know more about swarm behavior and the allotment of task between multi-agent systems.
Open Access
Ahaar: An Intelligent Cloud Kitchen Model to Promote “Your Health Matters”
(North South University, 2019) Shamim Rahman; Ekram Ul Karim; Barsha Das Tuli; Talbia Kabir; Shahriar Karim; 1430644042; 1430643042; 1521164042; 1521165042
Over the past few years, the obesity problem has increased in parallel with the portion size of food. Also, because of the urban lifestyle, online food ordering is increasing. Together, these factors contribute to numerous health implications, including obesity. To improve the dietary practices among urban people, this project proposes a nutrition-metric-based cloud kitchen model, namely the Ahaar. Ahaar, with all its features, promotes the motto “your health matters” in addition to the food ordering and delivery services generally provided by other online food ordering platforms. The proposed model is a cloud-based dynamic single-page application. Here, both the app and website implement micronutrient-based food ratings to increase awareness of a healthy diet. Moreover, Ahaar recommends suggestions based on calorie intake, nutritional information, diseases, and food quality. It precisely tracks the user's daily calorie consumption and monthly budget plan for rations using a calorie and budget tracker.
Open Access
Eliya: An AI Robot, Assistant of the ECE Department, NSU
(North South University, 2019) Sakib Ahmed; Debashish Paul; Rubaiya Masnun; Minhaz Uddin Ahmed Shanto; Tanjila Farah; 1611100042; 1520935642; 1610273042; 1521144642
In our ECE Department at North South University, there are almost seven thousand students and hundreds of faculty members, many of them often have the same queries regarding departmental staff, but there are not enough human resources to answer all of them. Also, the officers assigned to the help desk at the department may sometimes get bored giving the same sort of answers again and again to a lot of people, and their office hours are limited, too. This is why we have come up with an idea to develop an AI Robot for our department, which will be able to give information regarding the departmental staff to the students and faculty members. Now, about Artificial Intelligence (AI)- Artificial Intelligence is one of the most invigorating fields in Robotics. There has always been a question about a robot’s intelligence, but nowadays Robotics is reaching a new level in the AI field. Usually, an AI Robot gathers information about an incident or situation through sensors or human inputs, and in our project, we use human inputs to make our robot useful for assistance. Our Robots will assist only in the fields it is programmed to assist in; they will not have the general analytical ability. But if our robot cannot help with something, it will respond by showing its inability to do that. Now, going to the features and how they are going to work, our Robot will be voice-controlled, where we will be using Machine Learning and NLP for controlling. Then, for movement and speaking, we will be using motors and speakers in the robot. It will give feedback on different questions using AI. We will be using voice recognition in the robot to recognize specific people. The robot will take orders from the supervisor again with voice recognition. It will interact with the general public using Machine Learning. The actual challenge in making an AI Robot is to understand how natural intelligence works, for example, in our project, it would be really tough for the robot to always move in the right direction as people can. But if we can provide it with a good mapping Algorithm, then its problems will be reduced. We have decided to work on AI Robots as we believe robots will gradually move out from the industrial and scientific worlds into our daily lives.
Open Access
An Approach in Travel Demand Management Employing Crowd Sourced Data on a Social Networking Interface
(North South University, 2019) Rabita Saleh; Syed Mohammad Dawood Yaseen; Mehbuba Zabyn; Shahnewaz Siddique; 1530649042; 1530669042; 1611968642
According to research unveiled by the Accident Research Institute (ARI) of the Bangladesh University of Engineering and Technology (BUET) in 2018, traffic congestion in Dhaka costs the Bangladeshi economy approximately five million work hours and Tk. 37, 000 crore, annually. Amidst various other causes, the unpredictable nature of traffic in Dhaka creates prolonged traffic congestions. A significant part of these statistics can be attributed to a lack of information about traffic and no reliable central source of information to consult regarding the advisability of conducting a journey at any particular time. The only moderately reliable approach to gathering information regarding traffic is consulting Google Maps. However, the estimated time of arrival provided therein often fails to be satisfactorily accurate. In this paper we propose an online web application that combines the nature of a social media interface with crowd sourced data- a tool of our times the potential of which we are only beginning to grasp now- in order to provide the users with a central source of reliable information with the purpose of increasing traffic awareness, and thereby, discouraging congestion using concepts of travel demand management (TDM), particularly intelligent transportation technologies.