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Article#: 00114
Date: 2026-01-25
Author: Radim
Industrial automation promises higher productivity, better quality, and lower costs.
But all of this is only true as long as the machines are running.
These promises no longer apply as soon as a failure or a problem stops the production.
That is why it is essential to design machines to be resilient in the first place - including their mechanical parts, electrical parts and systems, and software.
However, even the most robust design and components cannot prevent all failures.
That is why it is important to consider what can fail, how likely each failure is, and what its consequences will be.
It is impossible to design machines that never fail.
But we can design machines - and the way they are operated and maintained - to recover fast when a failure occurs.
Some failures can be avoided through regular maintenance.
Wear parts can be replaced in time, loose connections can be detected, and other problems can be prevented before they cause a machine to stop.
When a failure does occur, the first prerequisite for fast recovery is the ability to detect the failure and to identify where it occurred.
This must be addressed already during the project design phase - in the selection of suitable electronic components, actuators, and sensors, as well as in the way data is processed, evaluated, and interpreted in the control software.
Once a failure is detected by the control software, the system can decide whether it is necessary to stop the entire machine or only a part of it.
At the same time, the HMI (Human Machine Interface) should inform the operator that a failure has occurred, where it occurred, and how it can be resolved.
Once a failure has been detected and localized, the next question is how well we are prepared to actually fix it.
In most cases, this requires personnel with the right know-how, up-to-date machine documentation (either electronic or printed), clear labeling on the machine itself and inside the electrical and pneumatic cabinets, and fast access to spare parts - either directly from stock or locally available for fast purchase.
When a failure happens, the real difference is whether production stops for a few minutes or for several days.
And that is the question that matters: How quickly can we recover from the failure and get production running again?
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