Tatjana Karaulova

Tallinn University of Technology | TTU · Department of Machinery

High-level customer service, with improved quality at a lower cost, is imperative in today's global supply chain, where customers have myriad options across borders. This is in line with the primary objective of supply chain management, which is to enable and deliver high-level customer service with lower costs, reduce lead time, and improve the qu...

Current research is focused on topics of interest in the digital transformation of the supply chain, data analytics and system automation perspectives. The study aims to test the hypothesis that real-time information on the supply chain could be used to improve customer service quality and lead to a more reliable supply chain. Research is done to a...

The research under consideration is how to build COL (Component Organised Learning) based curriculum lifecycle that teachers can apply in different fields. The problem is that the degree studies curriculum is not always applied to working students as the needs of the companies they work for differ. Companies find it more valuable when students can...

Higher education as the education whole faced an unprecedented challenge last year. Due to the Covid-19 pandemic, the educational process had to change rapidly. The need for redesign and renovation was obvious already before the crisis driven by the pandemic started. As all other methods have become more personalised, education had to follow. In th...

Higher education as the education in whole faced an unprecedented challenge last year. Due to the Covid-19 pandemic, the educational process had to change rapidly. The need for redesign and renovation was obvious already before the crisis driven by the pandemic started. As all other methods have become more and more personalised, education had to f...

It is essential for every enterprise existence to satisfy customer and consumer. The main idea of the current research is to apply customer satisfaction level Key Performance Indicators (KPIs) for supply chain reliability improvement. The Supply Chain Operations Reference (SCOR) model based KPI metrics enables to increase the quality of product/ser...

The field of logistics is constantly changing. These changes must also reach the classroom as quickly as possible to ensure high-quality teaching and maintain the reputation of the Institute of Logistics alumni as valued professionals in the labour market. Employers expect to have a graduate-level employee that can be directly assigned to work task...

Multitier Digital Twin approach for agile supply chain management validated in the research lab. In the long run, the solution will ultimately help to reduce resources costs in production processes and throughput time of the supply chain. The Digital Twin approach can be applied in the manufacturing company and the supply chain and makes recommenda...

The field of logistics is constantly changing. These changes must also reach the classroom as quickly as possible to ensure high-quality teaching and maintain the reputation of the Institute of Logistics alumni as valued professionals in the labour market. Employers expect to have a graduate-level employee that can be directly assigned to work task...

In most cases, the complexity of installation work, such as the induction of a collaborative robot at metal-working enterprises exceeds the complexity of machining and significantly exceeds the labour costs for all other types of production. Today the most assembly jobs in the manufacturing domain of Small and Medium-sized Enterprises (SMEs) are st...

Purpose: The purpose of this paper is to introduce how to describe in a unified way the business models of different sectors companies based on VAC/EPC notations, and to contribute to the lean based partner selection mechanism for sustainable partner network. Design/methodology/approach: The authors introduce the unified business process modelling...

In recent years, there is constant deficit of students in technical specialities in higher educational institutions, especially in industrial engineering area. To solve this issue, three universities of the Baltic region initiated the joint project "Innovative methods for implementing interdisciplinarity in career counselling (IMATEII)". The aim of...

Internet of Things (IoT) is extending quite rapidly into the physical and virtual manufacturing worlds. IoT facilitates digitalization of manufacturing systems, which are considered vitally important to enhance the effectiveness and efficiency in the future manufacturing era. In order to compete globally and to meet the rapid market changes, manufa...

Abstract: Purpose: The purpose of this paper is to introduce how to describe in a unified way the business models of different sectors companies based on VAC/EPC notations, and to contribute to the lean based partner selection mechanism for sustainable partner network. Design/methodology/approach: The authors introduce the unified business process...

The idea of the material designed is to help secondary school teachers with the competence in career guid- ance based on the interdisciplinarity of design, technology and economics. This handbook contains examples how to implement a project idea using critical thinking and learning strategies in career guidance and allow secondary school students...

Materjali eesmärk on aidata põhikooli õpetajatel suurendada karjäärinõustamise oskuseid, tuginedes disaini, tehnoloogia ja majanduse ühendatusele. Käsiraamat sisaldab näiteid, kuidas karjäärinõustamise projekti mõte teoks teha kriitilise mõtlemise ja õp- pimisstrateegiate abil ning võimaldada põhikooli õpilastel tutvuda kohaliku tööstusega disaini...

Izstrādātā materiāla ideja ir veicināt vidusskolas skolotājus ar profesionālās orientācijas kompetenci, balstoties uz starpdisciplinaritāti starp dizainu, tehnoloģijām un ekonomiku. Šajā rokasgrāmatā ir doti paraugi, kā īstenot projekta ideju ar kritiskās domāšanas un mācīšanās stratēģijām karjeras konsultācijās un ļaut vidusskolas studentiem iepa...

Lietuviškoje versijoje pristatomos medžiagos tikslas yra pateikti konkrečius praktinius pavyzdžius karjeros spe- cialistams ir mokytojams, kurie dirba bendrojo ugdymo įstaigose ir veda pamokas karjeros planavimo tematika. Šiame leidinyje per pavyzdžius ir aiškias situacijas siekia- ma pristatyti verslo/pramonės atstovus, verslą, gamybos procesus ir...

Introduction At the national and EU level, a major issue of the debate on education policy is the adaptation of the European education and training system to the needs of today’s economies and societies. Skills that promote growth and well-being are particularly important. In this context, the European Commission has published a report: “Rethinking...

Many manufacturing companies are facing problems related to the initiation and management of collaborative manufacturing projects. Collaboration between small- and medium-sized enterprises (SMEs) enables business partners to share equipment, labour, and skill-sets to fulfil larger projects in Partner Network (PN). We define PN as a group of compani...

In recent years, there has been a constant deficit of students in technical specialities in higher educational institutions. This problem is especially significant for industrial engineering area. To solve this issue, three universities in the Baltic region initiated the joint project "Innovative methods and technologies of education for implementi...

Many manufacturing companies are facing problems related to the initiation and management of collaborative manufacturing projects. Collaboration between small- and medium-sized enterprises (SMEs) enables business partners to share equipment, labour, and skill-sets to fulfil larger projects in Partner Network (PN). We define PN as a group of compani...

A risk assessment methodology for a Virtual Enterprise (VE) was developed to facilitate analysis of the key factors of risks and assessment of the level of risks a VE faces during its complete functioning period. The paper provides a relatively simple and straightforward method to estimate risks and intends to give a concept for mitigating the risk...

In recent years, there has been a constant deficit of students in technical specialities in higher educational institutions. This problem is especially significant for industrial engineering area. To solve this issue, the authors initiated the joint project with participation of three universities in the Baltic region. This project aims to develop...

Cost-effectiveness is one of main criterions of innovation. In the current research, the generic mechanisms of university-enterprise collaborative project realization are included, which can be used to introduce the fresh ideas to industry. Such projects are useful for both partners: enterprise and university. Professors receive applied research pr...

The performance of a flexible manufacturing system (FMS) has a great impact on a manufacturing firm success and the analysis of FMS justifies the high investment cost behind it. As the competition in the global market is growing, manufacturing companies compete not only on product cost and quality but also in time to market. FMS as a highly automat...

Purpose Various networked organizational forms already exist in the market today however all of them share the same problem - lack of fast and objective procedures for partners’ selection when addressing a particular project. The objective of this research is to solve such problem by offering an alternative to the existing global market layout, do...

The manufacturer must deliver each product to the customer without defects. Usually, there is an opinion that the purpose of package design is just to protect a product inside, but there are much more possibilities and opportunities for the companies related to package and its design. The objectives of this paper are the selection of alternative ma...

In today’s advance world the companies are continuously seeking for productivity improvement to stay competitive that has led to a necessity for thoroughly defined a performance evaluation system for manufacturing processes. In this paper, overall equipment effectiveness (OEE) is depicted as a performance evaluation tool that measures different typ...

Decision-making is a major problem in industry. Therefore this research is focused on the decision-making framework development with Lean and Green Manufacturing tools and End-of-Life scenario consideration. A specific mechanism was developed for used industrial equipment life cycle extension in order to save money, nature, and society. The propose...

Troubleshooting process is often used to diagnose the cause of failed products in the production systems. This method is employed to repair rejected products and to find root causes of problems so that failed products can be usable again. Troubleshooting is one of the most important ways of identifying symptoms of specific problem in a product and...

Work-cells implementation enables enterprises to increase simultaneously the flexibility and productivity measures of a production process. An elaboration model permits focusing on the required outputs of the project and controlling of the implementation process. The developed work-cells concept is supported by a similarity analysis, production lin...

This research introduces a new approach of using Six Sigma DMAIC (Define, Measure, Analyse, Improve, Control) methodology. This approach integrates various tools and methods into a single framework, which consists of five steps. In the Define step, problems and main Key Performance Indicators (KPIs) are identified. In the Measure step, the modified...

Nowadays it is absolutely clear all the enterprises are focused on cost reduction and resources efficiency to stabilize their position in competitive and economically variable market. Environmental policies and local authorities push manufacturing companies to produce in a clean and green way by using well-known philosophies like lean and green man...

This paper is focused on the planning problems of production processes in small and medium manufacturing enterprises, where all business activities are performed based on project management practice. The aim of this research is to deliver the new approach for rapid planning and assessment of parameters for the case of multi-project management (MPM)...

Current research is focused on the decision-making framework development with Lean and Green Manufacturing tools and End-of-Life scenario consideration. A specific mechanism was developed for used industrial equipment life cycle extension in order to save money, nature, and society. The proposed framework makes business more profitable by including...

One of the problems of quality management system (QMS) is control and storage of documentation, such as: procedures, instructions, forms and records. These documents are required for external and internal usage in enterprises. Currently, documentation is kept in single files and has no common system of organization consequently it makes working wit...

Nowadays, the rapid growth of competition in the market place, forces the companies to guarantee to their customers a reliable, sustainable and quality proofing production system. In this paper we consider KM framework that includes well known IS tools like PDM and ERP system, PDM-ERP middleware and novel DM that is the core of our framework. The c...

With the rapid growth of competition in the market, the companies have to guarantee customers a reliable, sustainable and quality proofing production system. In this paper we consider a KM framework that extracts "Six Sigma" knowledge on the basis of the data gathered from production facilities. The KM framework enables to assess the performance of...

Reliability of production processes is a key issue that ensures the stability of production system operation. It improves product quality and reduces production losses. In current paper, we introduce a framework for the fault analysis of production process, which provides the recommendations of corrective actions for the elimination of critical fau...

Reliability of production processes is a key issue to ensuring a stable system operation, increasing a product quality, and reducing production losses. In this paper we proposed a tool for the analysis of faults in a process and the definition of the most effective way for their elimination. In the centre of the offered framework is FMEA - a reliab...

Population of planet is growing constantly. According to United Nations official report of different projections there will be about 10 billion inhabitants on the Earth by 2050. Two out of three persons will live in the city. These facts force today's' manufacturers to find more innovative ways to satisfy future customers' needs from energy perspec...

The idea of this paper occurred in one car dealer sales company in Estonia. The problem is that some vehicles are stagnated in the warehouse for months for some reason. It requires additional resources, retail space on the trading floor and, of course, each day of car downtime reduces it cost on the market. All these circumstances lead the company...

Today, in order to survive in fast-growing and technologically driven world, organizations should be able to store their data into Data Warehouse, manage it and share within enterprise and partners. This paper is intended for the companies interested in the practical experience of the Information Management Systems. The presented architecture of pr...

The product life cycle extension is an important concept of how to utilize a ready-made good with a less possible harm to nature. In our case it helps to decrease consumer's expanses, need in recycling and utilization, energy consumption and material usage. In more wide range it pushes producer to find new sustainable solutions for their product li...

This article focuses on the operational level of production enterprise activities and considers the suitability of failure mode and effects analysis (FMEA) which is a central element of Reliability Centred Maintenance (RCM), and periodic maintenance problem (PMP) solving for the case production line. FMEA provides the data for PMP in the context of...

Purpose: of this paper is to summarize the application study of a general framework of intelligent decision support system (IDSS) to collaborative projects in conglomerate enterprises. In some situations, even with the knowledge of how to find right information and which decision making methods to apply, we do not have enough time to make right dec...

During the last 50 years manufacturing industry has been developing various methods to decrease lead times and reduce manufacturing costs. Most of those improvement methods are nowadays referred as lean manufacturing. In the construction industry lean techniques have also been adopted. However, lack of integrated material control solutions through...

The global crisis environment forces enterprises to join collaborative networks. The principal reason is that enterprises should be ready for new type of cooperation with partners. For this purpose enterprises establish reorganisation changes via products and processes analysis by using common scheme which is introduced in this research: group tech...

Karaulova, T.; Kramarenko, S. & Shevtshenko, E. ¶Abstract: Successful project management requires the identification of the factors impacting project scope definition, cost, schedule, contracting strategy and work execution plan. Risks can run across the life cycle of a project or they can appear at various times throughout the project. Identifying...

Purpose: of this paper is to summarize the application study of the general framework of intelligent decision support system (IDSS) to collaborative projects in conglomerate enterprises. Today’s market competition requires project managers to make correct decisions fast. In some situations, even with the knowledge of how to find right information a...

Rapid advances in technologies, such as networks, database analysis techniques and high speed processing helped the growing importance of organizational decision support systems. Today's organizations invest in various knowledge management systems and tools to enable seamless integration of the constantly increasing volume and sources of informatio...

The scope of this research work is modelling and simulation of decision making process for a network of collaborative enterprises and developing techniques for an Intelligent Decision Support System. The intelligent decision support system for the network of collaborative enterprises will provide decision support for the Network participants and is...

The intelligent decision support system for the network of collaborative enterprises will provide decision support for the network participants and is based on the use of a strategic (aggregate) planning model for creating the manufacturing management decisions. Paper includes a multi-agent model with the processes that the IDSS will be able to opt...

The scope of this research work is to describe the approach for the Intelligent Decision Support System (IDSS) design and analysis. The intelligent decision support system for the network of collaborative enterprises will provide decision support for the participants and enable reliable improvement in data transfer. The system will enable to achiev...

A lot of assembly lines are made semi-automated where manual work stations are alternate with automated stations which are responsible for control of a product at different stages of assembling process. These automated stations must guarantee that a client will not get a nonconforming product. In order to be sure in reliability of such stations it...