<p>The invention relates to a device for providing a controlled friction on a rotation shaft rotatably arranged on a base, which device comprises: - a friction generating device having a rotatable part connected to the shaft and a stationary part connected to the base; - a pressure sensor arranged between the stationary part and the base in order to measure the counter-force; and - control means for controlling the friction generating device based on the pressure measured by the pressure sensor.</p>
