Choosing Reliable Suppliers
Abstract
Chris and Fred discuss what you need to look for when choosing suppliers. The keyword here is the (human) suppliers … not the inanimate supplies!
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SOR 715 Choosing Reliable Suppliers
SOR 712 Still Need to Know the Basics
Still Need to Know the Basics
Abstract
Chris and Fred discuss how in spite of all the wonderful new techniques and technologies that are becoming available … we still need to focus almost all our effort on the basics.
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SOR 711 Are You Confident in Your Confidence?
Are You Confident in Your Confidence?
Abstract
Chris and Fred discuss what it means to be ‘confident.’ Is it the way you carry yourself? Is it being able to rely or trust on something? Or is it the probability that some variable quantity will be within two limits? More importantly … what does this mean in the domain of reliability and quality?
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Supportability (and FMEAs/FMECAs)
Supportability
(and FMEAs/FMECAs)
podcast episode with speaker Chris Jackson
What is ‘supportability?’ Easy! It’s the ability of your product, system or service to be supported. But how do we get this so wrong so often? Well the first way is by thinking that supportability is actually some activity where you work out how many spares you need to have on your shelf to last a year (for example). But what if your product, system or service fails so often and is so difficult to repair that it needs LOTS of spare parts? Working this out doesn’t make it more supportable. Another way people get supportability wrong is by thinking about it AFTER you have designed something. How is this wrong? Well … supportability needs to be DESIGNED INTO your product, system or service. [Read more…]
SOR 704 What is this Risk Thing?
What is this Risk Thing?
Abstract
Chris and Fred discuss what ‘risk’ is. Or what most people think ‘risk’ is. Or what the experts think ‘risk’ is. Or what ‘risk’ feels like. Do you know what ‘risk’ is?
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SOR 703 Hospital Power Supply Modeling
Hospital Power Supply Modeling
Abstract
Chris and Fred discuss a real-world problem … how do we use reliability engineering tools to work out how select a hospital power supply system.
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Discrete Distributions
Discrete Distributions
how to use them for fleet planning and spare parts analysis
podcast episode with speaker Chris Jackson
Once we have made something really reliable (or really available) … then comes the part where we have to work out how many of them we need (if they make up a fleet) or how many spare parts we need to keep them running. That is where discrete distributions are really helpful. They assign probabilities to ‘discrete’ random variables. These are random variables that can only have certain specified values. Like whole numbers. For example … the number of failures you expect to see in a mission. Or the number of available systems out of a given fleet size. If this sounds like something that could help you out … see you for this webinar!
[Read more…]
SOR 699 Only have MTBFs
Only have MTBFs
Abstract
Chris and Fred discuss … MTBFs! Fred’s favorite! We (should) know that Mean Time Between Failure (MTBF) is not reliability. So what do we do if we somehow need to get reliability from nothing but the MTBF.
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SOR 698 Purpose of a Body of Knowledge
Purpose of a Body of Knowledge
Abstract
Chris and Fred discuss what the purpose of a ‘Body of Knowledge’ or BOK is? … or what is a BOK? … especially when it comes to reliability?
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SOR 693 Thoughts on ALARP
Thoughts on ALARP
Abstract
Chris and Fred discussing another question from a listener based on ‘as low as reasonably practicable’ or ALARP. This is used a lot in risk management and analysis … but what is it?
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SOR 692 Reliability and Pumping Water
Reliability and Pumping Water
Abstract
Chris and Fred discussing service reliability based on a listener question where we don’t just look at reliability as it applies to an item, product or device. Instead … we look at ‘reliability of a service’ … or system, … or process. How can this help a farmer who is trying to work out how to best supply water to his cattle?
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Reliability Life Models
Reliability Life Models …
how do you describe your system dying?
podcast episode with speaker Chris Jackson
OK … that is a little macabre. But reliability engineers need to ask themselves this question a lot. And they are a lot of wrong answers out there. Some textbooks say that it is ‘commonly accepted’ to use this thing called the exponential distribution. Other textbooks say that if the ‘Weibull shape parameter is 6 or greater … redesign!’ Do you have any idea what this means? If not, this webinar will be a nice little introduction for you!
[Read more…]
SOR 689 Warning Signs and Culture
Warning Signs and Culture
Abstract
Chris and Fred discuss warning signs … especially those that revolve around culture … are often ignored. And it takes a ‘disaster’ or ‘catastrophe’ to do something about this. Why is this?
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SOR 688 When is MTBF OK?
When is MTBF OK?
Abstract
Chris and Fred discuss the MTBF … and if and when it can be used … sometimes in reliability engineering. We know that the MTBF is one of the most chronically overused (and misused) so-called ‘reliability’ metrics. But is there scope for it to be used … sometimes?
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SOR 685 Demonstration Testing
Demonstration Testing
Abstract
Chris and Fred discuss the whole idea of ‘demonstration testing’ … and how it may be ‘chronically’ overused or at least misunderstood. Heard of ‘demonstration testing’ and need to learn more?
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