All manufacturing processes begin with design steps of a product. This study aims to design the main parameters of two-blade propellers for fishing vessels using computer-aided design (CAD), Computer-Aided Engineering (CAE) and Computational Fluid Dynamic (CFD) software simulations. Through simulation,...

Electric cars are a solution to overcome the depletion of fossil fuels and environmental impacts. An electric car is a type of electric vehicle that uses a battery as the primary energy source. In charging, the battery is prone to overcharging, so a charging system is needed to maintain battery performance...

Seal is a part of the machine that is used by one of the Light Fire Extinguishers (LFE) so that the contents of this tube are kept awake until it is used to extinguish the fire. In the process of making this seal, a machine is used mold to make the seal part. One is as male (upper mold) and the second...

Currently, environmental issue have become national and even international issues, the first is chemical/ food preservatives that must be avoided because they are detrimental to health such as formalin and borax. One of the latest innovations in this research is the use of liquid smoke as a preservative...

Sappan wood with the Latin name (Caesalpinia Sappan Linn) is a plant whose wood is used as a colorant in food. Brazillin, is a yellow crystal which is the colour pigment in the cup. Brazillin can inhibit surviving apoptosis inhibitor proteins, so that it is able to cancer. Tannins are components of very...

Many problems occur in agricultural products, one of which is the presence of residual chemicals that are still contained in plants so that they can endanger the health of humans who consume them continuously. One of the efforts to minimize the use of this dangerous insecticide, the researchers designed...

High use of energy in Indonesia becomes one of issues encouraging innovation to create energy that is easily obtained and can be renewable sources. In addition, the use of energy derived from fossils has a negative effect on the environment such as global warming. Biogas is an alternative energy used...

Palm Kernel Shell (PKS) and Empty Fruit Bunch (EFB) are potential bioenergy sources because they contain lignocellulosic (cellulose, hemicellulose and lignin) so that they can be converted into biofuel through the thermal cracking process. This research was conducted in a lab scale experiment using a...

Filtration or filtration is a method of separating particles of solid substances from a fluid by passing the fluid through a filter medium; solid substances will be retained. The palm fruit consists of 80% pericarp parts (epicarp and mesokarp) which produce crude palm oil Crude Palm Oil and 20% seeds...

Research on new and renewable energy (EBT) continues to be developed to reduce dependence on fuel oil whose availability continues to decrease. Currently, an alternative energy product that has the opportunity to be developed is bioethanol because it has a high oxygen content so that it burns more completely...

The alternative biofuel that is inexpensive in terms of production and environmentally friendly is the development of bioethanol from agricultural wastes (biomass) which contains a lot of lignocellulose such as bagasse (solid waste from the sugar industry) and banana peel (waste from markets). One of...

The manufacture of liquid smoke from the comparison of raw materials for teak and pine wood powder waste is carried out by the pyrolysis method, purified by distillation and filtration which will be applied as a preservative in food. The pyrolysis process was carried out using a reactor with a capacity...

Galvanic cells are cells that produce an electric current, there are three components, namely the anode, cathode, and electrolyte. The electrolyte can be an acid, salt, or amphoteric compound. Acid Mining Water (AAT) is runoff water produced in Mineral or Coal mining areas. The main composition of acid...

Lipase is a biocatalyst that hydrolyses triglycerides (fats) into their component fatty acid and glycerol molecules to produce biodiesel. Due to the benign working conditions, enzymatic techniques enable straightforward biodiesel purification processes with significantly lower energy requirements and...

The use of RBDPO ingredients for margarine has a positive impact on the increasing value of palm oil, margarine is a promising product to be developed on food industry. It is necessary to have a technology for margarine production process. The purpose of this study using the stirred tanks with cooling...

Energy needs in Indonesia until now still depend on fossil energy sources whose availability in the world is running low. Therefore, the search for alternative renewable energy must be developed, one of which is biodiesel. The raw material used in the production of biodiesel is tamanu oil, which is tamanu...

Energy derived from biomass plays a strategic role and ranks third in the national primary energy supply, which is 20.06% or 307,346,838 BOE. The first and second orders are still supplied by oil and coal which are non-renewable fossil energy. Meanwhile, coal production is quite large but has not been...

This study evaluate the power generation capability of two different configurations of crossflow turbine used on conversion of the hydro potential energy of small river to electrical energy. First one is the 12 blades single crossflow turbine while second one is the 12 blades and 24 blades crossflow...

Natural detergents can be an alternative to reduce the use of synthetic detergents that contain active ingredients that are difficult to decompose by the environment. Hibiscus leaf extract contains saponins which can produce foam and the enzyme bromelain from pineapple peel is able to lift protein stains...

Design of a low-speed single-phase permanent magnet generator obtained from further modification of a squirrel cage single-phase induction motor is proposed. Modification is done for rotor and stator parts of the induction motor. 10 permanent magnets are implanted in the rotor to get a sinusoidal output...

The increasing use of coal fuel has an impact on environmental emissions, in an effort to reduce the impact, the application of clean coal is sought, one of which is through coal gasification. Coal gasification is a pilot project at PT Bukit Asam, in the coal gasification process it will produce a by-product...

Massive energy consumption and pollution from the environment have emerged as major issues. A new alternative energy sources is a critical solution. Nowadays, the use of air conditioning machine also contains wasted heat energy resulting from the work of the outdoor unit. This research is an experimental...

Indonesia is one of the largest coal producers in the world. In 2019, based on Indonesia’s coal production, it reached 565.81 million tons with domestic consumption of 128.38 million tons. South Sumatra Province is one of the provinces that produces the largest coal production in Indonesia through one...

Programme Educational Objectives (PEOs) are broad statements that describe the general declarations of graduates within three to five years of graduation. This survey is an assessment of the PEOs for the programmes offered at Polytechnic to ensure the philosophy of Outcome-Based Education (OBE) and the...

This paper of mixing has found a mixer automation tool that has been made by previous researchers, where the automation of this stirrer is versatile and can be made various kinds of Palembang culinary specialties. Furthermore, the researcher will continue with the manufacture of automatic cutting tools...

Currently, the mineral mining industry and energy sources have been carried out almost all over the world, and currently the process of monitoring gas levels in coal mines is carried out mostly using manual methods such as having someone sent or assigned to check the condition of the mine in several...

Implementing energy from the sun to power a digital farming concept in Palembang can significantly benefit agriculture. This study’s objective of digital farming is to develop solar-powered automatic agriculture. Agrivoltaic refers to the combination of agriculture and solar energy generation. This research...

The existence of road building projects will produce a waste, including the concrete waste, which will crash into landfill capacity. The construction waste has been utilized as a raw resource for recycling construction materials, definitely as aggregates. It is vital to do research on the use of construction...

The foundation is the lower structural element that functions to lay the building and transmits the load of the superstructure to the subgrade base and is able to ensure its stability both against the weight of the building itself and other loads. In the Palembang city area, it is found that the soil...

The four-arm intersection that connects Jalan Macan Lindungan, Parameswara, Soekarno Hatta and Jalan Prawiranegara, is an intersection that requires an evaluation of traffic management, especially in regulating flow and traffic lights. The purpose of this research is to find out whether the current regulation...

Concrete is construction’s material that has been commonly used in the field of construction. To control the quality and quality of concrete, compressive strength of concrete is need for parameter. The aims of this study to determine the correlation of compressive strength of laboratory concrete and...

Concrete is one of the construction structures used in construction, which is made of coarse aggregate like crushed stone, fine aggregate like sand, portland cement, water, and addictive substance like superplasticizers if needed which are mixed. In this study, the designed for concrete is the fine aggregate...

A souvenir is an award or gift that given to a person for the achievements he has achieved which will be used as a memento to remember the moment. Souvenirs are one of the choices and must innovate with technological advances. This study aims to analyse aspects of production, marketing, and business...

Duck farming as one of the pioneers in fulfilling animal protein needs requires good feed. A good feed, for one, meets the amount of carbohydrate needs. The carbohydrate needs of duck feed can be met by providing feed in the form of crushed corn, making it easier for ducks to swallow their food. For...

The Covid-19 pandemic and Movement Control Order (MCO) resulted in the closure of all higher education institutions throughout the country to prevent the spread of this contagious outbreak. During MCO staff are directed to work from home only and are not allowed to enter the office without the permission...

Epoch is a factor that affects the time of training an AI model and affects the accuracy value of the AI model. In this study, hyperparameter tuning of the epoch value was carried out to see the optimization of the resulting accuracy value. The object to be observed is the condition of the fire image...

One of the existing UMKM industries is the salted fish manufacturing industry at the Siabang Salted Fish Center Palembang. Salted fish are in demand by various types of people ranging from children to parents. Making salted fish is the simplest preservation with low cost. The process of making salted...

Students with mental retardation are students who have intellectual retardation where sometimes when the teacher explains it is very difficult to understand. With the advancement of technology, teaching and learning activities for students with mental retardation can be created so that they are more...

For offline study, State Polytechnic of Sriwijaya still uses a manual student attendance recording system. Nowadays, such a system is less effective because of there are significant increment of student both student’s opportunities to manipulate attendance data and admin’s working is not efficient as...

There are several ways to increase rice production, in order to meet the ever-increasing food needs. Every effort is made to improve, however, there are always many disturbances in the form of abiotic and abiotic stresses. Abiotic stresses such as drought, flood or poisoning. While biotic is the attack...

One of the success of a modelling is the quality of the analysed data. Exploration Data Analysis is a technique used in understanding data to explore which data has quality which will be used in modelling. The case raised in this study is the student registration dataset at XYZ University, where the...

The city of Palembang has cases of infectious diseases that continue to increase due to worsening environmental conditions, while the use of maps by agencies in the analysis of the health sector is still limited to maps that do not meet cartographic rules. The aim of this study is to offer information...

One of the most widely used software development methods is the Rational Unified Process (RUP) method. The reason for using this method is because this method uses an object-oriented paradigm that more closely models the actual state of the system, is iterative and focuses on the needs of the user. Usually...

This study aims to develop a business intelligence information system dashboard by integrating google charts into the system to present information in graphic as data visualization. The information presented can be in the form of graphs with percentage values, summary values, and other aggregation values...

The Convolution Neural Network (CNN) architecture is well-suited to performing both detection and classification tasks on image data. The inclusion of layers in the CNN improves its performance whilst training. Adding a lot, on the other hand, will cause the architecture to lose or explode gradients...

The flood problem that happens in Palembang City occurs due to seasonal tidal floods and flooding as a result of inundation caused by rainwater which results in the overflow of the Musi River. The Musi River that flows through the City of Palembang canon accommodates the increasing flow of water and...

Solar energy is one of the most popular renewable green energies since it produces less pollution than conventional sources. This paper describes the design and testing of an active solar tracker with a single axis. The term “solar tracker” refers to devices that can track the sun’s movement and direction....

Cancer will cause big impact to the psychological and physical condition of patients, especially for children. Social support for pediatric cancer patients is very necessary. Various ways can be conducted to support them to move on from the adversity of their illness, including by providing a comfort...

The research has purpose to monitor the movement of moslem prayer and count the cycles (rakaat). This is conducted because of Majority of Indonesia religion is Islam. Even though moslem prayer is an obligatory act of worship, however, most people often forget the count of their prayer cycles. Therefore,...

Cancer is one of the killing diseases. Cancer is a condition triggered by the uncontrolled division of abnormal cells in a specific body part. Childhood cancer is a diagnosis of cancer that occurs in children up to the age of 18 years, including children who are still in the womb. Community Care for...

Cancer has a significant impact on the mental health of patients, particularly children. Cancer causes significant physical and psychological changes in cancer patients, ranging from sadness and worry to fear of the future and death. When dealing with cancer, these young patients must go through a series...

The bad habits of the human who always ignoring their environments could affect some problems, such as diseases, flood, environmental damage, and air pollution. One of the habits is littering. This habit cannot be easily removed due to it has been ingrained in them. Therefore, it is needed a device that...

Smart cities are looking for ways to improve road safety, and intelligent transportation systems (ITS) are receiving a lot of interest from the academic and business community. As the number of automobiles continues to climb, a considerable increase in road accidents has been reported. Vehicles with...

This project aims to create hardware and software that can be utilized as a security system to enter the Sriwijaya state polytechnic. It uses an RFID Tag that will be used as a Student Identity Card access to join the class. This device utilizes a UHF RFID sensor to read the ID number from the RFID Tag,...

In Indonesia, it is general to see the scavengers in shabby clothes move around to various locations to find and collect garbage. Moreover, they have to walk with uncertain goals and even not infrequently, they also get only few results. The innovations offered in this study provide a convenience platform...