Are you utilizing MTBS (Mean Time Between S stoppages) to assess the reliability of mobile equipment? When is it more effective to use MTBS as opposed to MTBF? How can MTBS be applied to the Availability Index? Your insights are appreciated. - Antonio.
If you're unfamiliar with MTBS, let's clarify some key terms. What exactly is a "stoppage," and how does it differ from a failure? Does a stoppage encompass instances where equipment is paused for a operator's break or lunch break, or when it's shut down at the end of a shift? Let's break it down for better understanding.
I am not familiar with MTBS, but it seems like a great tool for identifying equipment downtimes. Categorizing MTBS as Eugene suggested would be beneficial. Unlike MTBF, which only measures equipment reliability by focusing on failures, MTBS provides a more comprehensive view of stoppages. I have attached a MTBF Users Guide that I created recently to help define MTBF and simplify its measurement. Implementing MTBS tracking could potentially unveil hidden issues in production, even though some may resist this level of transparency. Please keep me updated on your progress with tracking MTBS.
Antonio, I see that you are discussing mobile equipment. When analyzing equipment reliability, it is important to consider instances where the equipment stops after a control (such as the brake system) is activated as well as situations where the equipment stops due to a malfunction or operator error (such as failing to refill the fuel tank). These events are crucial to include in a reliability analysis of mobile equipment.
Strategies for Addressing Partial Functional Failures: How to Handle Incomplete System Downtime
Hey Ricky, can we give your attached guide a try? Please let me know if it's suitable. The attached file is Pump Work Order History in Excel format.
Antonio, I primarily use MTBS when I need a measure of the system's reliability including both operational and downtime. It is particularly effective over MTBF when you're dealing with equipment that experiences both scheduled and unscheduled stoppages, as it takes all kinds of stoppages into account. As for the Availability Index, I've found it valuable to use MTBS as long as downtime related to scheduled stops like maintenance or upgrades is accurately recorded. This can help gauge overall system availability more accurately. Just my two cents!
Hi Antonio, I definitely make use of MTBS in my assessments and have found it particularly effective when I need to consider not just failure events but other stops or disruptions too. In scenarios where these non-failure stoppages significantly affect overall equipment performance, MTBS provides a more holistic and accurate reliability metric compared to MTBF. As for the Availability Index, MTBS can be a great Complement since it helps quantify the downtime caused by both failure and non-failure events, refining our understanding of the actual 'availability' of the equipment. Just my two cents!
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Answer: - MTBS focuses on the time between stoppages, which may not necessarily indicate a failure, while MTBF focuses on the time between actual failures of a system or component.
Answer: - MTBS is more effective when the focus is on minimizing downtime caused by stoppages rather than actual failures. It is particularly useful for maintenance planning and improving operational efficiency.
Answer: - MTBS can be used as a key parameter in calculating the Availability Index, which measures the percentage of time a piece of equipment is operational and available for use. By incorporating MTBS into the calculation, organizations can better understand and improve the overall availability of their mobile equipment.
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