Abstract: A vehicle seat is provided including at least first and second movable seat elements relatively to each other and at least one actuator ensuring a relative movement between both elements. The actuator includes a sensor for measuring a piece of representative information of the position of a first seat element relatively to a second seat element. The sensor includes an inclinometer secured to the first seat element. The piece of representative information of the position of the first seat element is an inclination of the first seat element.

Abstract: A vehicle seat is provided including at least first and second movable seat elements relatively to each other and at least one actuator ensuring a relative movement between both elements. The actuator includes a sensor for measuring a piece of representative information of the position of a first seat element relatively to a second seat element. The sensor includes an inclinometer secured to the first seat element. The piece of representative information of the position of the first seat element is an inclination of the first seat element.

Abstract: The seat which is provided with at least two elements which can be moved relative to each other and an actuator for maneuvering a movable element, a unit for controlling the actuator for the movement of the movable element comprises: means for measuring a force (Cu) applied manually to the movable element by a user, the control unit comprises: means for calculating the theoretical force (Cth) which must be applied by the actuator to the movable element in the direction of the force (Cu) applied manually to the movable element by the user; and means for controlling the actuator for the movement of the movable element in accordance with the theoretical force (Cth).

Abstract: A method for controlling a seat which is equipped with: at least one controllable actuator (20) for moving two portions (16, 18) of the seat relative to each other; a controllable lock (26) for positive mechanical locking of the movement of the two portions of the seat, the lock (26) being able to be displaced between an engaged position opposite a complementary stop (30) and a disengaged position remote from the stop (30), which method comprises, in the event of an order for modification of a command for the actuator (20), steps for: verifying whether the two portions (16, 18) are in a critical range (I) of relative positioning, and as long as the two portions (16, 18) are in the critical range (I), applying to the actuator (20) a command which is different from the modified command.

Abstract: The seat which is provided with at least two elements which can be moved relative to each other and an actuator for manoeuvring a movable element, a unit for controlling the actuator for the movement of the movable element comprises: means for measuring a force (Cu) applied manually to the movable element by a user, the control unit comprises: means for calculating the theoretical force (Cth) which must be applied by the actuator to the movable element in the direction of the force (Cu) applied manually to the movable element by the user; and means for controlling the actuator for the movement of the movable element in accordance with the theoretical force (Cth).

Abstract: The invention relates to a method for controlling a seat which is equipped with: at least one controllable actuator (20) for moving two portions (16, 18) of the seat relative to each other; a controllable lock (26) for positive mechanical locking of the movement of the two portions of the seat, the lock (26) being able to be displaced between an engaged position opposite a complementary stop (30) and a disengaged position remote from the stop (30). It comprises, in the event of an order for modification of a command for the actuator (20), steps for: verifying whether the two portions (16, 18) are in a critical range (I) of relative positioning, and as long as the two portions (16, 18) are in the critical range (I), applying to the actuator (20) a command which is different from the modified command.

Abstract: The method for controlling the dynamics applies to a seat (10) comprising at least three parts (16, 20, 22) which can move with respect to each other and at least two actuators (24, 26) for moving the three parts (16, 20, 22). The method comprises a step of operating the two actuators (24, 26) jointly to modify the configuration of the seat. The step of joint operation comprises the following successive steps: activating a first actuator (24) at a first instant; and activating a second actuator (26) at a second instant subsequent to the said first instant and separated from the first instant by a predetermined length of time.

Abstract: A device (22, 24) for actuating a seat element comprises an actuator (26, 28) equipped with a transducer designed to supply a crude measurement value representing the current position of the actuator. The actuator provides for calculation of a corrected value of the current position of the actuator, from each crude measurement value supplied by the transducer, and calculation of a refining correction function. The device also provides for processing the corrected value of the current position of the actuator.

Abstract: The invention relates to an actuator (22) for a seat, of the type comprising, on the one hand, a body (40) and a control element (38) displaceable relative to the body (40), under the control of an actuating motor (36), and, on the other hand, a transducer (42) disposed between the body (40) and the control element (38), said transducer (42) being suitable for providing a raw measurement value representative of the current position of the control element (38) relative to the body (40). It has a unit (46) for correcting said raw measurement value, said correction unit (46) being suitable for implementing a correction algorithm which is specific to said actuator and which is suitable for providing a corrected value for the current position of the actuator on the basis of said raw measurement value. Said correction unit (46) is specific to said actuator and is integrated therein.

Abstract: The method of managing the kinematics of a seat (10) includes at least three seat elements (16, 18, 22) able to move with respect to each other and at least two actuators (26, 27) for moving the three elements (16, 18, 22) with respect to each other. When a first actuator (27) is actuated in at least one direction, it includes a step of actuating a second actuator (26) first of all in a given direction and then in the opposite direction.

Abstract: The vehicle seat (10) comprises at least one electrically powered functional member (24, 26, 28, 30, 31, 32, 34, 38). This functional member comprises an active element (24E, 26E, 28E, 30E, 31E, 32E, 34E) designed to perform a unique elemental function; a local control unit (24D, 26D, 28D, 30D, 31D, 32D, 34D) for controlling an active element (24E, 26E, 28E, 30E, 31E, 32E, 34E); units (24B, 26B, 28B, 30B, 31B, 32B, 34B) of receiving commands; and units (24F, 26F, 28F, 30F, 31F, 32F, 34F, 38F) for collecting operational status data from the functional member (24, 26, 28, 30, 31, 32, 34). The seat comprises a communication bus (42) to which each of the receiving units (24B, 26B, 28B, 30B, 31B, 32B, 34B).

Abstract: The seat has moving parts, at least one actuator, and a control unit. The control unit comprises: tracking means for tracking the current position of each actuator; and management means for managing the control of each actuator. The management means comprise: computation means for computing the current position of a critical point of the seat; evaluation means for evaluating the current position of each critical point of the seat relative to a boundary; and control means for controlling at least one actuator independently of the control selected by the user.

Abstract: The method for controlling the dynamics applies to a seat (10) comprising at least three parts (16, 20, 22) which can move with respect to each other and at least two actuators (24, 26) for moving the three parts (16, 20, 22). The method comprises a step of operating the two actuators (24, 26) jointly to modify the configuration of the seat.

Abstract: The invention relates to an actuator (22) for a seat, of the type comprising, on the one hand, a body (40) and a control element (38) displaceable relative to the body (40), under the control of an actuating motor (36), and, on the other hand, a transducer (42) disposed between the body (40) and the control element (38), said transducer (42) being suitable for providing a raw measurement value representative of the current position of the control element (38) relative to the body (40). It has a unit (46) for correcting said raw measurement value, said correction unit (46) being suitable for implementing a correction algorithm which is specific to said actuator and which is suitable for providing a corrected value for the current position of the actuator on the basis of said raw measurement value. Said correction unit (46) is specific to said actuator and is integrated therein.

Abstract: The seat has moving parts, at least one actuator, and a control unit.

Abstract: A device for actuating a seat element includes an actuator fitted with a transducer delivering a state information representative of the current position of the actuator and a unit for controlling the actuator which includes a device for registering and for storing several reference state informations each representative of a position of the actuator for an identified position of the element and a device for driving the actuator so as to move the seat element towards several target positions. The control unit is adapted so as, when a movement towards a predetermined target position is commanded, to activate the actuator until the current reference state information delivered by the transducer is equal to the reference state information stored for the position of the commanded element.

Abstract: The method of managing the kinematics of a seat (10) includes at least three seat elements (16, 18, 22) able to move with respect to each other and at least two actuators (26, 27) for moving the three elements (16, 18, 22) with respect to each other. When a first actuator (27) is actuated in at least one direction, it includes a step of actuating a second actuator (26) first of all in a given direction and then in the opposite direction.

Abstract: The vehicle seat (10) comprises at least one electrically powered functional member (24, 26, 28, 30, 31, 32, 34, 38). This functional member comprises an active element (24E, 26E, 28E, 30E, 31E, 32E, 34E) designed to perform a unique elemental function; a local control unit (24D, 26D, 28D, 30D, 31D, 32D, 34D) for controlling an active element (24E, 26E, 28E, 30E, 31E, 32E, 34E) ; means (24B, 26B, 28B, 30B, 31B, 32B, 34B) of receiving commands; and means (24F, 26F, 28F, 30F, 31F, 32F, 34F, 38F) for collecting operational status data from the functional member (24, 26, 28, 30, 31, 32, 34). The seat comprises a communication bus (42) to which each of the receiving means (24B, 26B, 28B, 30B, 31B, 32B, 34B).