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The Yamazumi Chart – Line Balance and Task Value-Add

Use a Yamazumi Chart to highlight the three broad types of process deficiencies to improve in Lean: Muda (Waste), Mura (Unevenness), and Muri (Overburden). Yamazumi is a Japanese word translated as huge mound, heap, or pile. A Yamazumi chart is simply a stacked bar graph. But by plotting process cycle time by process steps and [...]

Plan/Do/Check/Act (PDCA) vs Plan/Do/Study/Act (PDSA)

We’ve heard a lot about the Plan/Do/Check/Act (PDCA) and the Plan/Do/Study/Act (PDSA) Cycles. What are they? Are they different? Are they related? We will first hear from two experts: The first, explaining PDCA and the second, explaining PDSA. Then we’ll explore the history, differences, and relationship via an important paper that includes W.W. Edwards Deming’s [...]

2020-10-03T09:42:39-06:00By |Tags: , , , |0 Comments

Visual Management

Visual Management. What is it? Why use it? Examples. Do’s and Don’t’s. To address these, we first hear from two experts giving their take on visual management. Then we’ll get information on why visual management boards fail and finish with a look at what a professional visual management company has to say. Craig Otto, Production Support [...]

Predictive Maintenance – Definition and Examples

Predictive Maintenance is used to assess the state of operating equipment, materials, or other items in order to determine when maintenance is necessary. Machine Learning, Artificial Intelligence, and Statistical Methods are helpful in making the predictions in order to prevent more costly breakdowns later. Ryan Chan, CEO at Upkeep Maintenance Management, discusses Predictive Maintenance. “Predictive [...]

Quality Circles: Overview, Advantages, and Disadvantages

What is a quality circle? What are its advantages and disadvantages? Early starts in Japan and the US. Developments in India and in Healthcare in Europe. Quality Circle: A group of workers who do the same or similar work, meeting regularly to identify, analyze and solve work-related problems. Participation is voluntary, takes place during work [...]

Dealing with Missing Data

Sooner or later you will encounter missing data in your analyses. Should you ignore it? Should you include it? What is the best way to deal with missing data? In a series of three excellent videos, Rirvik Kharkar, former software engineer and data analyst and currently a master’s student in statistics at UCLA, discusses ways [...]

Using the Science of Improvement During COVID-19

In this incredibly instructive almost hour-long video from a webinar by ISQua’s (The International Society for Quality in Health Care) Education Channel, see how control charts are being used to analyze the COVID-19 data from states in the United States. The webinar is presented by Rocco Perla and Lloyd Provost.  The presenters always look at [...]

Virtual Reality Training Comes of Age – Are You Using It?

Virtual Reality (VR) is not just for video games. This excellent video from Digital Engineering and Magic, provider of VR training for the Electrical Power Industry, shows you an example of what it is actually like in safety training for OSHA Standards. You can view the video here. In a recent article by Gary Forger [...]

5S in a Large ICU Hospital Supply Room

In a high-speed time-lapse video, watch how nurses implement 5S in an ICU supply room to improve their workspace. 5S is a core tool used in the Lean methodology for business improvement. As indicated in the above picture, it consists of 5 steps: Sort Set in Order Shine Standardize Sustain Let’s explore each of these [...]

The Power of a Statistical Test – Revisited with Calculations

In an earlier blog, we discussed the power of a statistical test. We repeat that blog with the addition, following the video link, of referral to a suite of calculators that you can use to calculate the power in many applications you may face. First, the original blog. What is the power of a statistical [...]

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