In the final thesis, I discussed the problem of detecting the airtightness of the air spring. I had to find a method to check the leak in real-time of the process. From the selection of known methods, I selected two methods that were the most suitable: the helium sensor method and the pressure drop verification method. For the selected methods, I presented the basic characteristics, advantages, and disadvantages of both methods. Both methods have proven to be optimal for our case. However, the helium sensor method is more accurate. The pressure drop verification method is more affordable because it requires only a sensor. However, the helium sensor method requires helium, the chamber and device which detect the amount of helium.
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