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Wyświetlanie 1-2 z 2
Tytuł:
Light Fidelity (Li-Fi) overview and investigation into connection speed
Autorzy:
Sharma, Mithun
Sharma, Shilpi
Powiązania:
https://bibliotekanauki.pl/articles/1818970.pdf
Data publikacji:
2021
Wydawca:
Politechnika Białostocka. Oficyna Wydawnicza Politechniki Białostockiej
Tematy:
Light Fidelity
Li-Fi
Six-Sigma
defect reduction
wireless communication
redukcja wad
komunikacja bezprzewodowa
Opis:
The overarching aim was to reduce the frequency of connection failures that occur due to the connection speed and reliability, and identify, characterise and optimise the key process input variables (KPIVs). An experimental research approach with an inbuilt planned manipulation to one or more variables in the experimental data set was adopted. Key elements of the Six-Sigma methodology were applied to resolve the issue of high failures due to connection speed and reliability between two Li-Fi transceivers. KPIVs were successfully identified, characterised and optimised to implement a permanent corrective action to ensure a reduction in connection failures from 17% to 0%. The alignment between two Li-Fi transceivers along with Li-Fi cut-out was found to be critical in achieving good connection speed and reliability. The interference due to ambient visible spectrum lighting found to be statistically insignificant. This study explored the application and benefits of accessible wireless data communication technologies. Moreover, it sheds light on the probable factors that may influence Li-Fi connection speed and areas for future research. The current research provides a Six- Sigma based solution to high connection failure rates while using an infrared-based Li-Fi transceiver. Results also offer insights into the analytical tools that were found to be effective during the problem-solving process.
Źródło:
Engineering Management in Production and Services; 2021, 13, 1; 63--73
2543-6597
2543-912X
Pojawia się w:
Engineering Management in Production and Services
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Structured Problem Solving: combined approach using 8D and Six Sigma case study
Autorzy:
Sharma, Mithun
Sharma, Shilpi
Sahni, Sanjeev
Powiązania:
https://bibliotekanauki.pl/articles/125526.pdf
Data publikacji:
2020
Wydawca:
Politechnika Białostocka. Oficyna Wydawnicza Politechniki Białostockiej
Tematy:
8D
Six Sigma
Structured Problem Solving
customer complaint
defect reduction
ustrukturyzowane rozwiązywanie problemów
skarga klienta
redukcja wad
Opis:
The current research study aimed to explore the utility of selected problem-solving tools and techniques in root-cause analysis to demonstrate their practical application. An experimental research design adopting a positivist empirical approach with a deductive strategy was followed to assess the effectiveness of a combined (8D & Six Sigma) problem-solving approach in reducing a high defects rate of a mixer shower assembly line. A novel application of the 8D framework in combination with Six Sigma and other analytical tools was found highly effective in reducing the reject rate from 11.84% to 0.11%. Successful identification of the root cause led to the implementation of permanent corrective action ensuring a long-term stable assembly process. The research study provided a problem-solving framework that was found effective in resolving a complex problem and implementing long-term corrective action in an assembly production line. However, this framework can be used in other industries. The research study provides a solution to a high number of leak rejects in a subassembly where “O-seals” are used between mating parts. It also provides analytical tools that were found highly effective during the problem-solving process.
Źródło:
Engineering Management in Production and Services; 2020, 12, 1; 57-69
2543-6597
2543-912X
Pojawia się w:
Engineering Management in Production and Services
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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