How are steps counted on the phone? How does the device know that I am walking and not driving?

How are steps counted on the phone? How does the device know that I am walking and not driving?

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answers (5)

Answer 1
January, 2021

I think so, based on all the factors, it is necessary to save the economy, because saving lives is little dependent at the moment on the desire of a person and the possibility of medicine! But you definitely shouldn't neglect these precautions.

Answer 2
January, 2021

I think it specifically depends on the speed of your movement. That is, the phone or watch understands that you are moving too fast and this cannot be true, which means you are driving a car. Well, as for me, this is the most reasonable explanation

Answer 3
January, 2021

I think the oscillation of a moving person is more likely due to inertia, but how else I can not understand, because the pedometer of Soviet production did so

Answer 4
January, 2021

Doesn't understand at all. All of these devices give incorrect results in Metro. You are shaking, but your steps are counted. Everything. Moscow metro is like that.

Well, in other places where the movement is smoother it can be distinguished.

Answer 5
January, 2021

Usually, the built-in accelerometer and gyroscope.

With the help of the accelerometer, the device understands whether you are moving with a certain acceleration or remain stationary. This data is processed by an algorithm that concludes whether the movement is associated with walking or is it another type of movement. It is important to note here that a three-component accelerometer is used for accurate calculations, which allows you to track acceleration in three coordinate axes.

Gyroscope (if any) complements this information, since it tracks movement in space . Together, these sensors give a three-dimensional picture of the movement of the device, and based on the given model, the algorithm decides whether you are walking, or maybe you are running or sitting motionless, or still moving in transport.

Of course, these devices are still difficult called super accurate and perfect, because knowing the approximate operation of the algorithm, the user can deceive the counting system by imitating the movements taken into account by the device. But in the future, perhaps these shortcomings can be corrected thanks to high-precision sensors and more complex algorithms.

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