Haptic interface comprising: - an element for interacting with a user and capable of moving in a first direction and in a second direction, - an element for interacting with a fluid whose viscosity varies according to an external stimulus, the fluid-interaction element being rigidly connected to the user-interaction element at least for translation therewith or at least for rotation therewith, - means for measuring a current angular position of the user-interaction element , - means for determining the direction of rotation of the user-interaction element , - a brake comprising a fluid whose apparent viscosity varies according to an external stimulus and a system for generating said stimulus on command in said fluid, the fluid-interaction element being disposed in the fluid, - rotary electromechanical means (M) comprising a shaft (M1) rigidly connected to the user-interaction element for rotation therewith, - a control unit (UC) capable of generating commands for said system for generating said stimulus to modify the value of the stimulus, and to the rotary electromechanical means (M), the haptic interface being characterised in that it comprises - means for detecting the torque exerted by a user on the user-interaction element , in the case of a rotatable user-interaction element , in order to determine the direction of the torque and if the torque is greater than a given value for a given direction, the control unit controlling the generation system of said stimulus based on the information obtained on the torque at least when a velocity of the user-interaction element of zero is detected. - an element for interacting with a user and capable of moving in a first direction and in a second direction, - an element for interacting with a fluid whose viscosity varies according to an external stimulus, the fluid-interaction element being rigidly connected to the user-interaction element at least for translation therewith or at least for rotation therewith, - means for measuring a current angular position of the user-interaction element , - means for determining the direction of rotation of the user-interaction element , - a brake comprising a fluid whose apparent viscosity varies according to an external stimulus and a system for generating said stimulus on command in said fluid, the fluid-interaction element being disposed in the fluid, - rotary electromechanical means (M) comprising a shaft (M1) rigidly connected to the user-interaction element for rotation therewith, - a control unit (UC) capable of generating commands for said system for generating said stimulus to modify the value of the stimulus, and to the rotary electromechanical means (M), the haptic interface being characterised in that it comprises - means for detecting the torque exerted by a user on the user-interaction element , in the case of a rotatable user-interaction element , in order to determine the direction of the torque and if the torque is greater than a given value for a given direction, the control unit controlling the generation system of said stimulus based on the information obtained on the torque at least when a velocity of the user-interaction element of zero is detected. <EOS>