I have been using robot vacs for a long time (Neato, Roomba, etc). After trying a Roborock a few months ago I have been hooked. I have since purchased 3 vacs in the past couple of months. Anyway, I bought a S4 for my upstairs two weeks ago and have run into problems with it. I have a rug in my master bedroom that is a mixture of colors (white, light grey, and dark grey). No other vacuums that I have had ran into problems with this, but the Roborock goes nuts with this rug. It literally will spin in circles for HOURS and will eventually get stuck. I assume that the dark fibers are making the robot think that it is nearing the edge of something and so it spins around, and just does that forever.
So to prevent this, I created a virtual barrier and that has fixed the problem. But I really want my rug to be cleaned also. The last vacuum I had upstairs was a Neato, and it had no issue with the same rug.
So I would ask that the algorithm could be tweaked to perhaps make it more reliable.
The other thought I had, was creating another barrier type (like the virtual barrier) that would be a "no cliff sensor" area. That way I could put that over rugs and things that might cause a problem and it would just ignore it in those locations.
For what it is worth, I was reading some reviews recently and found another person complaining about the same issue, so it is not just me. 🙂
I have a similar issue. My s6 gets onto a rug, but seems to think most of the edges of the rug are cliffs, leaving parts of the room always un-vacuumed. The rug is dark near the edges, and that is maybe what confuses it.
Cliff sensors are used to measure changes in pressure. Cliff sensors can be used to detect air leaks or pressure changes, or they can be used to detect leaks in a vacuum system. A typical cliff sensor consists of a diaphragm sandwiched between two plates of metal. The diaphragm is connected to an electronic circuit that produces an output current proportional to the pressure applied to it by the atmosphere or other force. Well, I would visit chilecasinoonline.com website because it will help me to find the best casino games online through which I can have fun and earn money.
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