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Related Concept Videos

Control Systems01:10

Control Systems

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Control systems are everywhere in contemporary society, influencing diverse applications from aerospace to automated manufacturing. These systems can be found naturally within biological processes, such as blood sugar regulation and heart rate adjustment in response to stress, as well as in man-made systems like elevators and automated vehicles. A control system is essentially a network of subsystems and processes that collaboratively convert specific inputs into desired outputs.
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Catalytically Perfect Enzymes01:07

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The theory of catalytically perfect enzymes was first proposed by W.J. Albery and J. R. Knowles in 1976. These enzymes catalyze biochemical reactions at high-speed. Their catalytic efficiency values range from 108-109 M-1s-1. These enzymes are also called 'diffusion-controlled' as the only rate-limiting step in the catalysis is that of the substrate diffusion into the active site. Examples include triose phosphate isomerase, fumarase, and superoxide dismutase.
 
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Turnover Number and Catalytic Efficiency01:19

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The turnover number of an enzyme is the maximum number of substrate molecules it can transform per unit time. Turnover numbers for most enzymes range from 1 to 1000 molecules per second. Catalase has the known highest turnover number, capable of converting up to 2.8×106 molecules of hydrogen peroxide into water and oxygen per second. Lysozyme has the lowest known turnover number of half a molecule per second.
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Effects of feedback01:24

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Feedback in control systems plays a critical role in shaping various operational parameters, extending beyond simple error reduction to influence stability, bandwidth, gain, impedance, and sensitivity. Understanding these effects requires examining a basic feedback system characterized by defined input, output, error, and feedback signals.
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Exercise induces a range of adaptations in muscle tissue, depending on the type and duration of activity. Such physical training can be broadly categorized into two types: endurance exercises and resistance exercises.
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Inductively coupled plasma (ICP) is the common plasma source used in atomic emission spectroscopy (AES), a technique that detects and analyzes various elements in a sample. This method is often called inductively coupled plasma atomic emission spectroscopy (ICP-AES).
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Related Experiment Video

Updated: May 12, 2025

Generic Protocol for Optimization of Heterologous Protein Production Using Automated Microbioreactor Technology
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Enhancing operational efficiency through overall equipment efficiency optimization and Kaizen initiatives.

Abu M Fuad1,2, Nusra Akter Takia1, Hasin Ahmad Zafir3

  • 1Department of Electrical and Electronic Engineering, Ahsanullah University of Science and Technology, Dhaka, Bangladesh.

Plos One
|May 9, 2025
PubMed
Summary

This study improved carton production line efficiency by calculating Overall Equipment Effectiveness (OEE). Applying Six Sigma methods boosted efficiency by 29% for finished goods and 9% for corrugated boards.

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Area of Science:

  • Industrial Engineering
  • Operations Management
  • Manufacturing Systems

Background:

  • Low efficiency in carton production lines impacts operational performance and profitability.
  • Optimizing manufacturing processes is crucial for competitiveness in the packaging industry.
  • Overall Equipment Effectiveness (OEE) is a key performance indicator for manufacturing efficiency.

Purpose of the Study:

  • To investigate the root causes of low efficiency in a carton production line.
  • To calculate and analyze Overall Equipment Effectiveness (OEE) for key machinery.
  • To implement a cost-effective solution to enhance production line efficiency.

Main Methods:

  • The Define, Measure, Analyze, Improve, Control (DMAIC) approach was employed.
  • Six Sigma principles, including Kaizen, fishbone diagrams, and 5W+1H, were utilized.
  • Average OEE was calculated across four machines over 12 shifts, followed by value stream mapping.

Main Results:

  • The proposed cost-effective method significantly improved OEE.
  • Finished goods line efficiency increased by 29%, and corrugated boards line efficiency rose by 9%.
  • Value stream mapping confirmed improvements in operational performance.

Conclusions:

  • Implementing OEE analysis and Six Sigma methodologies effectively addresses production line inefficiencies.
  • Enhanced OEE positively impacts overall operational performance, including efficiency, power usage, cycle time, and equipment repair.
  • Continuous improvement strategies are vital for sustained manufacturing excellence in the carton industry.