Wyniki wyszukiwania - BazTech

1

Standardization of human activities as the component of a workflow efficiency model - a research experiment from a meat producing plant

Bartnicka Joanna, Kabiesz Patrycja, Kaźmierczak Jan

Production Engineering Archives

|

2020

|

Vol. 26, Iss. 2

73--77

EN

The aim of the following research it to provide assumptions for creating workflow efficiency model that can be implemented in repeatable production workstations. One of the main components of this model are human activities and their interactions with other elements of working environment: human and artefacts. Recognition of patterns of human behaviours within working processes gives the opportunity to find critical points that influence workflow efficiency. The subject of research is a working process existing in meat producing plant. The main method used for recognizing human activity patterns was observation and qualitative and quantitative assessments of operational activities based on video registration. Particularly, human activities were analyzed under ergonomics criteria in order to proof dependencies between process efficiency and specific ergonomic factors forming working conditions at meat plant.

2

Automated generation of business process models using constraint logic programming in Python

Paszun Tymoteusz, Wiśniewski Piotr, Kluza Krzysztof, Ligęza Antoni

Annals of Computer Science and Information Systems

|

2019

|

Vol. 18

733--742

EN

High complexity of business processes in real-life organizations is a constantly rising issue. In consequence, modeling a workflow is a challenge for process stakeholders. Yet, to facilitate this task, new methods can be implemented to automate the phase of process design. As a main contribution of this paper, we propose an approach to generate process models based on activities performed by the participants, where the exact order of execution does not need to be specified. Nevertheless, the goal of our method is to generate artificial workflow traces of a process using Constraint Programming and a set of predefined rules. As a final step, the approach was implemented as a dedicated tool and evaluated on a set of test examples that prove that our method is capable of creating correct process models.

3

Discovering and optimising processes from event logs of document management systems

Mędrek M., Wiechetek Ł.

Organizacja i Zarządzanie : kwartalnik naukowy

|

2017

|

nr 3

69--82

EN

Modern information management systems are often driven by workflow engines, which require an accurate, detailed, and structured process description. Instead of theoretical modelling of such processes we propose a technique which can be a connection between traditional management (organisational structure) and business process management approach. In our work we present a case study where the automatic process mining techniques are applied to administrative processes in an environment of event logs recorded by DMS. We use event log data to discover and describe the process map of the organisation and to model structured process descriptions. Our approach allows for the extraction of models based on facts and it is a direct connection between the process model and raw data generated by the organisation. Such scenario increases consistency between the mapped model and the reality of the organisation.

4

Facility layout redesign for efficiency improvement and cost reduction

Kovacs G., Kot S.

Journal of Applied Mathematics and Computational Mechanics

|

2017

|

Vol. 16, nr 1

63--74

EN

In a competitive market the manufacturing companies have to produce cost effective products which can be realized by minimized production cost and higher effectiveness. The effective facility planning can significantly reduce the operational costs of companies. An adequate facility layout can result in the improvement of the performance of the production line. The Facility Layout Problem (FLP) is relating to location of objects (departments, workstations, machines, etc.) on a given site and the material flow between these objects. The goal of this study is to show the reasons, objectives and steps of a layout redesign process. The minimization of the workflow realized on the shop floor is an often applied an objective function during the layout redesign. Material flow efficiency is a commonly used term for the determination of the amount of workflow, which is the multiplication of material flow data and distance data. In this study, this mathematical method for workflow calculation is introduced. The described case study shows how the efficiency and reduced manufacturing cost of a real manufacturing system can be improved by re-layout design, while smaller floor space is needed for the production.

5

Tomography control of the workflow of pulverized coal used in electrical power generation

Polakowski K., Filipowicz S. F., Sikora J.

Poznan University of Technology Academic Journals. Electrical Engineering

|

2010

|

No. 61

157-165

EN

The simplification of calculations with assuring the sufficient accuracy in making tomography images of analyzed physical phenomenon should succeed in faster obtaining of results. This issue is important because the contemporary tomography is expected to bring real time, tomography images of dynamically changing environment. Taking into consideration growing ecology and safety demands, there is a need for more accurate and cheaper ways to monitor workflows of gases, vapors, fluids and biphasic mixtures, in power generation boilers.