Abstract: Haptic interface for the control of a system comprising: a handle (4), a kinesthetic stimulation device (6, 8) connected mechanically to the handle (4), a vibrotactile stimulation device comprising three vibrating actuators (A1, A2, A3) generating a vibrotactile stimulation at the level of the handle (4) with the user, the vibrating actuators (A1, A2, A3) being such that each vibrating actuator generates vibrations in a frequency range and/or an amplitude range which are at least in part distinct from those of the other vibrating actuators, means for measuring a position of the handle (4), a control unit able to dispatch commands to said kinesthetic stimulation device and to the vibrotactile stimulation device at least as a function of the signals transmitted by the means for measuring the position of the handle and/or of information about the state of the system and/or its environment.

Abstract: A haptic interface with at least two degrees of freedom including at least one element for interacting with a user, at least two passive brakes each extending along an axis, each of the brakes being capable of exerting a resistive force about its axis, the forces being controllable, measurement means for measuring a position of the element for interacting with a user, detection means for detecting the force applied on the element for interacting with the user, a control unit capable of sending commands to the brakes depending on information on the position of the element for interacting with the user and on the force applied on the element for interacting with the user, such that said passive brakes generate resistive forces according to at least one given haptic pattern.

Abstract: A haptic interface including: a button that can be rotated by a user; an interaction element for interaction with a magneto-rheological fluid, secured to the button; a mechanism for measuring a current position of the button; a brake including a magneto-rheological fluid and a system for generating a magnetic field in the fluid; a rotary electric motor including a shaft secured in rotation to the button; a control unit generating orders for the magnetic field generating system and for the motor; and a mechanism detecting the user's intention for action on the button, the control unit controlling generation of a magnetic field and/or the motor based on the information obtained on the detection mechanism.

Abstract: A haptic device with ultrasonic actuation, including: a support, a user-interaction element movable at least in rotation and/or translation relative to the support, a first contact surface that moves as one with the interaction element, a second contact surface that moves as one with the support, resonators, and a control unit that excites the resonators at at least one resonance frequency, generating a vibration mode in a plane and an ultrasonic lubrication phenomenon between the first contact surface and the second contact surface.

Abstract: A device for a rotary haptic interface including: a rotary button and an interaction member interacting with a magnetorheological fluid, the rotary button and interaction member being secured to a shaft for rotation therewith, a chamber defined by walls and containing the fluid and the interaction element, and a mechanism generating a variable magnetic field. The element for interaction with the fluid includes a skirt surrounding the shaft, the skirt being secured to a longitudinal end of the shaft opposite the end to which the rotary button is secured, and extending from the first end towards the rotary button. The shaft passes through a single wall of the chamber and a sealing mechanism is arranged between the shaft and the wall. A mechanism for guiding the rotation of the shaft is arranged around the shaft between the sealing mechanism and the rotary button.

Abstract: A haptic device with ultrasonic actuation, including: a support, a user-interaction element movable at least in rotation and/or translation relative to the support, a first contact surface that moves as one with the interaction element, a second contact surface that moves as one with the support, resonators, and a control unit that excites the resonators at at least one resonance frequency, generating a vibration mode in a plane and an ultrasonic lubrication phenomenon between the first contact surface and the second contact surface.

Abstract: A haptic interface with at least two degrees of freedom, comprising: at least one element (4) for interacting with a user, at least two passive brakes (6, 8) each extending along an axis (X, Y), each of the brakes (6, 8) being capable of exerting a resistive force about its axis (X, Y), the forces being controllable, measurement means (14, 16) for measuring a position of the element (4) for interacting with a user, detection means (11, 13) for detecting the force applied on the element (4) for interacting with the user, a control unit (UC) capable of sending commands to the brakes depending on information on the position of the element for interacting with the user and on the force applied on the element (4) for interacting with the user, such that said passive brakes (6, 8) generate resistive forces according to at least one given haptic pattern.

Abstract: A method for generating haptic sensations from a haptic interface including: a rotatable button; an element for interacting with a fluid with a viscosity that varies as a function of an exterior stimulus, the element for interacting with the fluid moving with the button; a fluid with an apparent viscosity that varies as a function of a magnetic field and that surrounds the element for interacting with the fluid; and a system for generating a magnetic field on command in the fluid. The method includes: evaluating a current position of the button; determining a direction of rotation of the button; altering the value of the current position when the current position is in a haptic stop zone and the direction of rotation of the button is associated with the haptic stop, and as long as the direction of rotation of the button is not modified.

Abstract: A system including a control station and at least one controlled device, the control station including at least one control device intended for controlling at least one action of the controlled device, the control device including a haptic interface including at least one element for interacting with the user, and a controller configured to send orders to the haptic interface to generate haptic stimulations in the element for interacting with the user on the basis at least of information relative to a state of the controlled device and/or the environment thereof.

Abstract: A haptic interface, including: a button moving in a first direction or in a second direction; an interaction element interacting with a magnetorheological fluid with a viscosity that varies in accordance with a magnetic field; a brake including a magnetorheological fluid and a generation system to generate a magnetic field on command; a sensor detecting the current position of the button; a mechanism determining speed of the button; and a controller configured to send orders to the system to generate a magnetic field, the orders being generated according to the current position of the button and the current actuation speed of the button.

Abstract: A haptic interface including: a button that can be rotated by a user; an interaction element for interaction with a magneto-rheological fluid, secured to the button; a mechanism for measuring a current position of the button; a brake including a magneto-rheological fluid and a system for generating a magnetic field in the fluid; a rotary electric motor including a shaft secured in rotation to the button; a control unit generating orders for the magnetic field generating system and for the motor; and a mechanism detecting the user's intention for action on the button, the control unit controlling generation of a magnetic field and/or the motor based on the information obtained on the detection mechanism.

Abstract: A device for a rotary haptic interface including: a rotary button and an interaction member interacting with a magnetorheological fluid, the rotary button and interaction member being secured to a shaft for rotation therewith, a chamber defined by walls and containing the fluid and the interaction element, and a mechanism generating a variable magnetic field. The element for interaction with the fluid includes a skirt surrounding the shaft, the skirt being secured to a longitudinal end of the shaft opposite the end to which the rotary button is secured, and extending from the first end towards the rotary button. The shaft passes through a single wall of the chamber and a sealing mechanism is arranged between the shaft and the wall. A mechanism for guiding the rotation of the shaft is arranged around the shaft between the sealing mechanism and the rotary button.

Abstract: A haptic interface, including: a button moving in a first direction or in a second direction; an interaction element interacting with a magnetorheological fluid with a viscosity that varies in accordance with a magnetic field; a brake including a magnetorheological fluid and a generation system to generate a magnetic field on command; a sensor detecting the current position of the button; a mechanism determining speed of the button; and a controller configured to send orders to the system to generate a magnetic field, the orders being generated according to the current position of the button and the current actuation speed of the button.

Abstract: A haptic interface, including: a button which can be rotated by a user; an interaction element interacting with a magnetorheological fluid, secured to the button; a mechanism measuring a current position of the button; a brake including a magnetorheological fluid and a generation system to generate a magnetic field in the fluid; a controller configured to generate orders for the system to generate a magnetic fluid to modify a value of the magnetic field; and a mechanism to detect torque exerted by a user on the button to know direction of the torque and whether the torque is greater than a given value for a given direction, the controller controlling generation of a magnetic field based on obtained information about the torque at least when the button indicates zero or low speed.

Abstract: A method for generating haptic sensations from a haptic interface including: a rotatable button; an element for interacting with a fluid with a viscosity that varies as a function of an exterior stimulus, the element for interacting with the fluid moving with the button; a fluid with an apparent viscosity that varies as a function of a magnetic field and that surrounds the element for interacting with the fluid; and a system for generating a magnetic field on command in the fluid. The method includes: evaluating a current position of the button; determining a direction of rotation of the button; altering the value of the current position when the current position is in a haptic stop zone and the direction of rotation of the button is associated with the haptic stop, and as long as the direction of rotation of the button is not modified.

Abstract: A haptic interface, including: a button which can be rotated by a user; an interaction element interacting with a magnetorheological fluid, secured to the button; a mechanism measuring a current position of the button; a brake including a magnetorheological fluid and a generation system to generate a magnetic field in the fluid; a controller configured to generate orders for the system to generate a magnetic fluid to modify a value of the magnetic field; and a mechanism to detect torque exerted by a user on the button to know direction of the torque and whether the torque is greater than a given value for a given direction, the controller controlling generation of a magnetic field based on obtained information about the torque at least when the button indicates zero or low speed.