How Robot Vacuums Work and Why You Need One?

How Robot Vacuums Work and Why You Need One?

Robot vacuums are quickly becoming an essential part of every home. In fact, global shipments for these vacuums are predicted to reach 22.1 million units by 2025. The main difference between robots and traditional vacuums is the amount of human intervention needed to operate. This is determined by the complexity of its major components, like its sensors and the advanced printed circuit boards (PCBs) behind them.

Traditional vacuum cleaners have simple PCBs with switches and resistors that enable them to just raise, suction, and filter dust. Meanwhile, robot vacuums contain more complex PCBs since they’re also designed to move on their own aside from simply cleaning the floor. Its circuitry involves interactive routing, providing automation and giving users human-quality results at the speed of a machine. As a replacement for the aforementioned manual switches, robot vacuums utilize touch sensors that address past issues like physical wear and tear and waterproofing concerns. Aside from this, touch sensors improve the user experience and enable the robot to "sense" its surroundings, thereby avoiding collisions. This technology is currently seen in popular robot vacuums like the Roomba. Depending on other technical components that the robot vacuum has, designers may opt to use either rigid and flexible circuits.

Robot vacuums are equipped with a navigation system that determines its actions, and they normally have one of three kinds of systems. The first calls for a combination of collision, wheel, and brush and cliff sensors that tell the robot if it’s about to hit something. These sensors also make sure it doesn’t fall down the stairs. The second kind of system relies on a navigation algorithm called VSLAM. This optical system can calculate the robot’s relative position in real time in a room, enabling it to create a map as it cleans.

Finally, laser navigation would be the most efficient. It senses the environment through lidar that helps detect the size and shape of anything in its path. It’s also paired with the SLAM algorithm, which lets the robot make detailed floor maps so it also knows which places it has already cleaned.

Benefits of getting a robot vacuum


A robot vacuum has a small and flat design, making it perfect for tight, hard-to-reach spots, such as under sofas and beds, without having to move anything around. Even when it’s at the charging base, it doesn’t take up a lot of space.


Cleaning the house is a routine that can take up a lot of time. Fortunately, a robot vacuum gives you one less chore to worry about. Some robot vacuums come with an app, such as the Lefant M210, so you can schedule for them to clean the house anytime, even when you’re away. You can also control the vacuum using voice control. Robot vacuums are typically self-charging – they automatically go back to the charging base when they run out of battery or when they’re done vacuuming.


The navigation system in a robot vacuum allows for more efficient cleaning. The Lefant T800 cleans the floor in a zigzag route by default. However, it’s also equipped with object mapping software and multiple cleaning modes so it can adjust its route accordingly. In a single charge, it can last 120 minutes and clean 1076 square feet. One of its features is an AUTO Carpet Boost, increasing the suction power on carpets for better deep cleaning. If you’re still worried about how efficient a robot vacuum’s navigation system is, you can also set virtual boundaries. This feature lets you limit where your vacuum can go.

Low maintenance

In exchange for you no longer having to maneuver a big vacuum cleaner around the house, the kind of maintenance you’ll need to put into the robot vacuum is not a big deal. For instance, check the wheels at least once a week to see if any threads or hair are wrapped around the axle. Check the main brush as well, and hand wash it if the manual says you can. Robot vacuums typically run on rechargeable lithium batteries – to keep them going strong, replace them every two to three years.

Robotic vacuums have certainly come a long way. However, it’s important to keep in mind that they are made to do cleaning touch-ups rather than to completely replace traditional human-operated vacuuming.

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