Abstract: A connection between at least two components of a motor vehicle includes at least one connection unit which is arranged and/or formed on one of the components, and provides at least one connection surface of the connection. At least one characteristic of the connection unit is deliberately changeable, in such a manner that an adhesion capability of the connection surface is adjustable.

Abstract: Spacer nut for connecting spaced-apart fastening portions of two components, having a threaded part forming an internal thread for a screw, having an intermediate piece forming a thread and a through-passage opening, wherein the threaded part and the intermediate piece can be, or are, connected to one another such that an accommodating space for the fastening portion of a first component is formed between them and the internal thread and the through-passage opening in the intermediate piece are arranged in alignment, and having a spacer piece with a thread, which can be screwed together with the thread of the intermediate piece, a through-passage opening, which is in alignment with the internal thread, and a contact surface, which incorporates the one end of the through-passage opening of the spacer piece and is provided for abutment against the fastening portion of the second component.

Abstract: A sub-retaining structure includes a retainer and a compression limiter. The retainer having an attachment hole is provided in a sub-component. A compression limiter is disposed in the attachment hole of the retainer. The compression limiter has a cylindrical shape with a through hole coaxial with the attachment hole. The compression limiter defines multiple side openings arranged in a circumferential direction. The retainer includes multiple retainer arms each of which extends radially inward of the compression limiter through the side openings, respectively. The retainer arms are configured to be engageable with a fastener protruding from a main-component when the fastener is inserted into the through hole.

Abstract: A welded structural assembly and method are provided, which in one form includes at least one upper substrate, at least one lower substrate disposed adjacent the upper substrate, and a fastener extending through the upper substrate and into the lower substrate. The fastener is welded to the lower substrate and defines a head portion having an outer periphery and an underside. A sealing member is disposed under the head portion and contacts the underside thereof, and further extends beyond the outer periphery of the head portion.

Abstract: A fully automatic telescopic rod includes at least two sleeves and one operation handle. The operation handle is fitted to a lower end of an outer sleeve of the at least two sleeves. A first inner sleeve of the at least two sleeves is movably fitted in the outer sleeve. The operation handle includes a power mechanism therein. The power mechanism is connected to a screw rod extending into the first inner sleeve and drives the screw rod to rotate in a forward or reverse direction. A nut is mated with the screw rod and fixed to a lower end of the first inner sleeve. The first inner sleeve can be unfolded and folded relative to the outer sleeve and can be positioned at any position.

Abstract: A conductive support is disclosed which is configured to be fixed, thanks to an electrically conductive glue, on a surface of a metal structure and which includes an insert made from an electrical material which includes a first end face configured to be pressed against the surface of the structure and a second end face allowing the temporary fixing of an electrical element; and a body which includes a contact face coplanar with the first end face of the insert and which extends completely around the first end face of the insert.

Abstract: A connecting device between components of a piece of furniture includes a casing capable of being received in a first seat and in a second seat obtained respectively in a first and in a second component of the piece of furniture, and including a first and a second radially expandable region to engage respectively the first and the second component in correspondence of the first and the second seat, a tie rod received inside the casing with axial sliding power towards and from a locking position, and including a first segment in enlarged section and a second segment in enlarged section susceptible of engagement respectively with the first and the second region to determine a radial expansion of the casing when the rod is moved in the locking position, and an eccentric element arranged to engage a head of the tie rod and axially move it towards the locking position when the eccentric element rotates around its main axis.

Abstract: A coupling device comprising arranged in two opposing walls of a box-like enclosure, two flexible tabs from which two raised portions which act against each other protrude inward, one of which is adapted to engage a rigid laminar element to be inserted between the two flexible tabs while the other, after the coupling, can be pushed manually in order to move the coupled raised portion and release the rigid laminar element to be removed.

Abstract: High strength swivel anchors, are configured for insertion through an aperture in a substrate while in a minimal configuration and expandable behind the substrate for anchoring engagement thereto. The anchor herein has at least two pivotally attached elongated anchoring arms with the arms being swivelable relative to each other in a single plane from the minimal configuration wherein the anchoring arms are coextensive to an expanded anchoring engagement position wherein the anchoring arms cross each other through a point of pivotal attachment. The anchor herein further comprises a structural element which retards retraction of swiveling movement of the anchoring arms from the minimal configuration to the expanded anchoring engagement position.

Abstract: An enlarged head fastener device and method for manufacturing the same is described. The enlarged head fastener device includes a shank and a head. The head extends outwardly from the shank in a transverse plane to define a head periphery. The head has an anterior side and a posterior side. The anterior side includes a bearing surface and a convergent transition portion that reinforces the head. The convergent transition portion extends between a large end adjacent the bearing surface to a small end adjacent the shank. At least one ridge formation projects from the anterior side of the head providing additional reinforcement. The ridge formation extends continuously between an outboard end positioned on the anterior side of the head adjacent the head periphery and an inboard end positioned on the shank. The head maybe centered or offset relative to the shank.

Abstract: A fastener for fastening an elongate object to a support structure, the fastener comprising a body portion formed entirely of one or more electrically non-conductive materials and comprising a bridge, a first column extending substantially perpendicularly from a first end of the bridge and a second column extending substantially perpendicularly from a second end of the bridge, the bridge and columns together forming a U-shaped receptacle for engaging the elongate object, and a nail formed entirely of one or more electrically non-conductive materials and partially contained within the first column of the body portion for positively engaging with the support structure upon the application of force by a driving mechanism thereby fastening the elongate object to the support structure.

Abstract: A method for establishing a connection, with the following steps: inserting a sleeve (12) having a stop flange (10) into a bore (14), in such a way that the stop flange (10) is at a distance from a bore edge (16); anchoring at least one elevation (18) of a free end portion (20) of the sleeve (12) in the bore wall (22) by widening the free end portion (20) of the sleeve (12); and moving the stop flange (10) in the direction of the at least one fixed anchored elevation (18) of the free end portion (20) of the sleeve (12), by widening a further portion (24) of the sleeve.

Abstract: A bolt includes a head, and a shank connected to the head and having a screw portion and a leading end portion. The leading end portion of the shank includes a wall portion that defines a hole. The wall portion includes: a deformation portion configured to be plastically deformed by a torque from a fastening tool to be inserted in the hole; and a space forming portion configured to form a space between the space forming portion and the fastening tool. The blot is configured such that a maximum torque applied to the deformation portion in a process, in which a part of the deformation portion is plastically deformed by the torque from the fastening tool and is accommodated in the space and the fastening tool is placed in an idle rotation state, is configured to be set to be within a predetermined range.

Abstract: A component assembly having a stacked arrangement comprising an upper and lower sheet part, of which at least one is formed as an organic sheet composite part, with an auxiliary joining part and with at least one apertured metal washer, wherein the auxiliary joining part has a functional section having an undercut at one end and also has a piercing section at the other end having a lateral shaft surface and a shaft recess formed therein, wherein the metal washer contacts a surface of the organic sheet composite part, with the functional section or the piercing section extending through an aperture of the metal washer and wherein washer material has been driven into the undercut or into the at least one shaft recess.

Abstract: A cap configured for providing a sealed cavity around an end of a fastener and a method of bonding a cap to a structural member in which a contact adhesive is provided for fixing the cap to the structural member and a curable sealant is provided for bonding the cap to the substrate.

Abstract: A fastening element operable for securing to a shank of a bolt-like element, the fastening element comprising an engaging part and a head part. The engaging part, comprises a longitudinally extending bush and an engaging body that projects radially inward. The bush and the engaging body partially define a receptacle in which the shank of the bolt-like element can be received. The head part is arranged above the engaging part and comprises a main body and a supporting portion. The head part is movably engaged with the engaging part by a bayonet catch and can be moved between a free position and a locked position, and, when in the locked position, the supporting portion covers the engaging body and blocks the engaging body from moving in translation along the longitudinal axis.

Abstract: A self-sealing fastener for reducing leaks between the self-sealing fastener and a substrate. The self-sealing fastener includes a shank that extends longitudinally between a first end and a second end. The shank has an outer surface. The self-sealing fastener also includes a head that extends radially outwardly from the first end of the shank. The head has an underside surface that is adjacent to the first end of the shank and a topside surface opposite the underside surface. A mastic sealant is disposed on at least one of the outer surface of the shank and the underside surface of the head to provide a water-tight seal between the self-sealing fastener and the substrate after the self-sealing fastener is installed in the substrate.

Abstract: Bolt retention threads are provided adjacent the proximal end of the body coupling aperture of a body isolator. A bolt has cooperating bolt retention threads and body coupling threads on the shaft. These body coupling threads have a diameter to permit the external body coupling threads to pass through the internal bolt retention threads without requiring threaded engagement therebetween. The cooperating bolt retention threads are axially positioned relative to each other to enable the entirety of the external bolt retention threads to be threaded completely through the internal bolt retention threads to capture the bolt within the body coupling aperture in a captured floating configuration. In the captured floating configuration, the external body coupling threads and the distal end of the shaft extend out of the distal end of the body coupling aperture and the bolt is allowed to float laterally within the body coupling aperture.

Abstract: A case-nut includes a case welded to a body of a vehicle, a bolt insertion hole being formed in the case, a nut accommodated in the case and disposed to be movable in the case, and an insulating film laminated on an end face of the nut on the case side and an end face of the nut on the body side.

Abstract: A method of manufacturing a washer capable of improving a material yield is provided. The method includes: a preparation step of preparing a longitudinal member which includes an upper corrugated portion and a lower corrugated portion including crest portions formed on at least one of an upper surface and a lower surface and valley portions continuous to the crest portions in the right-left direction; and a deformation step of deforming the longitudinal member such that the upper surface and the lower surface are arcuate as viewed in the direction from the front to the rear.

Abstract: A telescopic transmission assembly includes first and second stage rods, and first and second stage casings. The second stage rod is of a hollow structure having inner and outer surfaces and a through hole, the outer surface being provided with external threads, and the inner surface being devoid of threads. The first stage rod is disposed in the through hole to drive the second stage rod to rotate synchronously. The first and second stage rods are telescopically expandable or contractible relative to each other along an axial direction. The second stage casing sleeves over the first stage casing. The first and second stage casings have respectively first and second transmission nuts. The second and first stage rods are in a screw-thread fit with the first and second transmission nuts, respectively. The second stage rod is positioned with the first transmission nut in the axial direction in a rotatable manner.

Abstract: An exemplary shaft assembly includes an outer shaft rotatable about an axis, and a shaft insert that provides a conduit for a fluid and blocks the fluid from flowing radially between the shaft insert and the outer shaft relative to the axis. An exemplary shaft assembling method includes positioning a shaft insert within an outer shaft. The shaft insert has a fluid conduit and is configured to block fluid from communicating radially between the shaft insert and the outer shaft.

Abstract: A method for manufacturing a crankshaft including a pin portion and a journal portion includes: a preparation process of preparing a die that is formed such that a parting plane of the pin portion and a parting plane of the journal portion are spaced apart from each other in a stamping direction; and a stamping process of forming a shaft portion including the pin portion and the journal portion by stamping a blank with the die.

Abstract: A ball-and-socket joint module (26) affixed to a mirror head (14) provides for adjusting a position of a mirror (16). The module includes a multicomponent ball assembly (86) that has an internally mounted spring (82). The spring presses two components (34, 72) of the ball assembly away from each other so that opposing surfaces (32, 70) of the ball assembly confront corresponding surfaces (62, 64) of a multicomponent socket assembly (90) when the ball assembly is nested within the socket assembly.

Abstract: A socket joint device is provided which has a low installation height and a fairly small installation volume. The socket joint includes a first and a second joint component (2, 6). The first joint component (2) has a spherical surface element (10) with a convex or concave exterior (11). The exterior (11) of the spherical surface element (10) is part of a spherical surface. An engagement mechanism (14) engages over the spherical surface element (10), so that the engagement mechanism (14) and the spherical surface element (10) contact one another via a first contact surface (22). A spherical cap-shaped receptacle (24) in the first or second joint component (2, 6) and an associated convex spherical cap (26) in the respective other joint component result in a second contact surface (28) that has a smaller radius of curvature R2 than the radius of curvature R1 of the spherical surface element (10).

Abstract: The present disclosure relates to an improved air foil thrust bearing having a reduced number of components and an increased load support area. The improved air foil thrust bearing comprises a base plate and a plurality of foils attached to the base plate, wherein each of the foils comprises a top foil section and a bump foil section connected to and integral with the top foil section.

Abstract: Tapered roller bearings and methods of producing the same are disclosed. One method is for producing an inner ring for a tapered roller bearing in which the inner ring comprises a raceway portion and a fixed edge portion. The method may include providing an inner ring blank and an unfinished fixed edge portion. The inner ring blank may include an unfinished raceway portion and the unfinished fixed edge portion may have a larger outside diameter than the unfinished raceway portion. The inner ring blank may have a through-opening. The inner ring blank may be formed into the inner ring by extrusion in a main forming step, the unfinished fixed edge portion being transformed into the fixed edge portion and the unfinished raceway portion being transformed into the raceway portion. The inner ring may be formed in its final contour without any cutting.

Abstract: Disclosed is a bearing arrangement for a bearing wheel in a turret, the bearing arrangement being providable between the bearing wheel and a wheel shaft around which the bearing wheel is rotatably connectable. The bearing arrangement includes a slide bearing enabling the bearing wheel to slide axially on the shaft. The bearing arrangement further includes a roller bearing. A plurality of bearing arrangements may form a bearing system that is employed in a turret of a vessel. A method for mounting a bearing arrangement in a bearing system is also disclosed.

Abstract: The disclosure relates to a sleeve-like bearing receiving member for a plastics material sleeve, wherein the sleeve-like bearing receiving member may include a cylindrical sleeve wall that delimits the inner side of the sleeve-like bearing receiving member, wherein a plurality of apertures are formed in the cylindrical sleeve wall, wherein each aperture of the plurality of apertures is at least partially bordered by a collar that protrudes into the inner side of the sleeve-like bearing receiving member, and wherein the collar is configured to engage in the plastics material sleeve to retain the plastics material sleeve in the sleeve-like bearing receiving member.

Abstract: A guide apparatus is provided which can increase a holding force that holds a table, a drawer, a cabinet, a device, or the like at a predetermined position. An engagement body (43) is placed on a second member (42b). A pair of plate spring portions (44a and 44b) is placed on a first member (41) in such a manner as to sandwich the engagement body (43). The pair of plate spring portions (44a and 44b) bend in such a manner that a minimum dimension between the pair of plate spring portions (44a and 44b) is smaller than a dimension (length) of the engagement body (43).

Abstract: A control method for a magnetic bearing comprises following steps: acquiring a suspension stopping instruction for the magnetic bearing, and respectively applying a control current to one or more control coils of the magnetic bearing to subject a rotor to a vertically or obliquely upwards electromagnetic force, a vertical component of the electromagnetic force is less than the gravity of the rotor. A control device for a magnetic bearing is also disclosed, comprising a suspension stopping instruction acquiring unit and a control current applying unit. The control method and control device for a magnetic bearing can control a falling velocity of the rotor to be lower than that of the rotor being subjected only to the gravity, and have higher control efficiency.

Abstract: In an embodiment, the present invention provides a bearing for use in a rail vehicle, including: a core assembly; a casing assembly that surrounds said core assembly, the core assembly being supported against the casing assembly by at least one membrane and being movable relative to the casing assembly; and a functional chamber, which chamber contains a working fluid, the functional chamber being delimited by a pumping surface that is formed by the core assembly and the membrane. A projection surface of the pumping surface that is orthogonal to an axial direction covers between 60% and 99% of a cross-sectional area, orthogonal to the axial direction, of the interior of the casing assembly, in which the membrane and the core assembly are received at least in part.

Abstract: At least one bearing insert is secured within a metallic housing to form a wear resistant bearing. In operation, the bearing insert engages a journal and provides a wear-resistant surface. The housing defines a cavity for receiving the bearing insert. The cavity preferably expands radially so that the bearing insert remains secured in the cavity. The bearing insert can comprise a refractory ceramic. The bearing insert is secured within the cavity by any suitable means, such as thermal shrink-fit. A thin layer of sacrificial metal protects the bearing insert during initial start-up. The sacrificial metal wears to expose the bearing insert. Further wear exposes a larger area of the refractory bearing insert. A second bearing insert can be disposed opposite to the first so that rotating the housing can expose the second bearing insert to the journal.

Abstract: A synthetic resin rolling bearing retainer is to be arranged between an inner ring and an outer ring of a rolling bearing. A plurality of guided portions protruding radially outward from an outer diameter surface of the retainer is provided along a circumferential direction of the outer diameter surface. Each of the guided portions has a guide surface protruding to be in sliding contact with the outer ring, a chamfered portion formed at an edge portion of the guide surface, and a groove portion formed at a portion of the guide surface in an axial direction. The guide surface and the chamfered portion have surface properties where an arithmetic average roughness Ra is 1.0 to 9.8 ?m and a maximum height Rt is 10.1 to 102.9 ?m. A parting line is provided radially inside the guide surface.

Abstract: The invention relates to a clutch rolling bearing centered on a central axis and comprising a rotatable ring provided with a toroidal portion defining a first concave raceway and an engagement portion dedicated to cooperate with a diaphragm, a stationary ring mounted coaxially with the rotatable ring, provided with a toroidal portion defining a second concave raceway and dedicated to cooperate with a translating piston, and balls arranged between the raceways of the rings. The engagement portion of rotatable ring extends from the toroidal portion on the diaphragm side, the engagement portion being folded against the toroidal portion on a surface radially opposite to the first raceway.

Abstract: A sealing device is constructed by combination of a lip seal member attached to a not-rotating stationary member and a seal flange member attached to a rotary member. The seal lip member has a lip seal member main body having an end face lip, an outward flange portion, and an outer peripheral tube portion. The seal flange member has a seal flange member main body and an outer peripheral side tubular portion. The sealing device further includes a non-contact type labyrinth seal having a predetermined axial length arranged between the outer peripheral tube portion in the lip seal member and the outer peripheral side tubular portion in the seal flange member. The sealing device can improve sealing performance, particularly muddy water sealing performance, while fulfilling the need for low torque.

Abstract: A gas turbine shaft assembly comprises first and second axially mating shafts. The first shaft has a circumferential array of splines configured to mesh with a corresponding circumferential array of splines on the second shaft. The first shaft defines at least one axially extending slot aligned with one of the splines on the first shaft. The second shaft has at least one radial projection aligned with one of the splines on the second shaft. The engagement of the radial projection with the slot provides angular correspondence between the splines of the first and the second shafts prior to axial engagement of the splines.

Abstract: A torque transmission device includes a shaft which has shaft teeth around its outer circumference, a hub which has hub teeth on an inner circumference, wherein the hub is arranged on the shaft in such a way that the shaft teeth and the hub teeth mesh with one another in order to transmit torque. The torque transmission device furthermore includes at least one spring element which passes entirely through the hub and is supported on the shaft and the hub and exerts a spring force on the hub and the shaft, wherein at least a component of the spring force is directed in such a way that around the entire circumference of the shaft and hub adjacent flanks of the shaft teeth and the hub teeth are pushed together.

Abstract: An example robot includes: a motor disposed at a joint configured to control motion of a member of the robot; a transmission including an input member coupled to and configured to rotate with the motor, an intermediate member, and an output member, where the intermediate member is fixed such that as the input member rotates, the output member rotates therewith at a different speed; a pad frictionally coupled to a side surface of the output member of the transmission and coupled to the member of the robot; and a spring configured to apply an axial preload on the pad, wherein the axial preload defines a torque limit that, when exceeded by a torque load on the member of the robot, the output member of the transmission slips relative to the pad.

Abstract: A hub unit has a brake disc and a hub body disposed to rotate with a rim on which a tire is mounted. An internal space is formed in the hub body, wherein the brake disc is fixed in the internal space. A fixed shaft is disposed and fixed along a rotation center shaft of the hub body. A brake shoe is coupled to the fixed shaft. A brake pad is disposed to contact the brake disc. A braking force applier supplies a braking force to the hub body wherein the brake pad and the brake disc are in contact with each other.

Abstract: A clutch actuator includes: a reduction gear to rotate in a housing by a motor; a connecting rod having a first end connected to the reduction gear; a pair of levers provided on a hinge shaft in the housing, and connected to a second end of the connecting rod to rotate according to a rotation of the reduction gear; a push rod contacting with a clutch actuator pork; and a wear compensating unit movably coupled between the levers in a vertical direction and provided with an inclined surface contacting a first cam. In particular, the push rod has one end extended outwardly of the housing and is coupled with the first cam of which one end is movably inserted into the first hole of the levers.

Abstract: A hydraulic disc coupling (1) for a system distributing torque between the left and right wheels and/or the front and rear axles of a vehicle is provided. A coupling piston (6) is configured to be mechanically locked by an integrated locking arrangement (23), when the coupling piston (6) is actuated to act on the disc package (8), such that the coupling remains engaged whereby the input (2) is connected to the output (7) of the coupling (1) without hydraulic pressure acting on the coupling piston (6). Unlocking of the integrated locking arrangement (23) is provided by again actuating the coupling piston (6).

Abstract: An electronic clutch actuator for actuation of a clutch in a transmission of a vehicle includes a clutch master cylinder having a fluid cavity therein and adapted to be in fluid communication with a clutch slave cylinder coupled to the clutch of the transmission, a movable piston disposed in the fluid cavity of the clutch master cylinder, a rotatable screw having one end coupled to the piston to translate the piston, a geartrain disposed perpendicular to the rotatable screw to rotate the rotatable screw, and a motor having an output shaft disposed perpendicular to the geartrain to form a U-shaped arrangement to rotate gears of the geartrain.

Abstract: A system and method for actuation of a clutch in a transmission of a vehicle including an electronic clutch actuator adapted to be in fluid communication with a clutch slave cylinder coupled to the clutch of the transmission and a manual override assembly adapted to be in fluid communication between a clutch footpedal of the vehicle and the clutch slave cylinder, wherein the manual override assembly prevents fluid flow from the clutch footpedal to the clutch slave cylinder when the electronic clutch actuator is being used to electronically actuate the clutch slave cylinder and allows fluid flow from the clutch footpedal to the clutch slave cylinder when the electronic clutch actuator is not being used to manually actuate the clutch slave cylinder.

Abstract: An electronic clutch actuator for actuation of a clutch in a transmission of a vehicle includes a clutch master cylinder having a fluid cavity therein and adapted to be in fluid communication with a clutch slave cylinder coupled to the clutch of the transmission and a clutch footpedal of the vehicle, the clutch master cylinder having a first port fluidly communicating with the fluid cavity and adapted for fluid communication with the clutch slave cylinder, a second port fluidly communicating with the fluid cavity and adapted for fluid communication with the clutch footpedal, and a third port fluidly communicating with the fluid cavity and adapted for fluid communication with a fluid bypass, and a movable piston disposed in the fluid cavity of the clutch master cylinder to act as a switch valve to allow fluid flow from the second port to the third port when the electronic clutch actuator is being used and to allow fluid flow from the second port to the first port when the electronic clutch actuator is not bein

Abstract: A system and method for actuation of a clutch in a transmission of a vehicle including an electronic clutch actuator adapted to be in fluid communication with a clutch slave cylinder coupled to the clutch of the transmission and the electronic clutch actuator including an integrated manual override assembly adapted to be in fluid communication between the clutch footpedal and the clutch slave cylinder, wherein the integrated manual override assembly prevents fluid flow from the clutch footpedal to the clutch slave cylinder when the electronic clutch actuator is being used to electronically actuate the clutch slave cylinder and allows fluid flow from the clutch footpedal to the clutch slave cylinder when the electronic clutch actuator is not being used to manually actuate the clutch slave cylinder.

Abstract: A low-backlash multimode clutch includes a one-way bearing allowing rotation in a first direction as well as a number of actuatable pawls in one race and a number of receiving slots having engagement faces in the other race. The engagement faces are tilted such that when the pawls are actuated, any torque applied in the first direction tends to force the pawls outward but the pawls are retained inward, such as by actuator rods. In this way, the one-way clutch may be selectively locked and unlocked with zero backlash against the one-way bearing.

Abstract: A clutch control system for a work vehicle includes a controller comprising a memory and a processor. The controller is configured to receive a first signal indicative of an inching pedal position and to determine a commanded inching torque based on the inching pedal position. The controller is configured to instruct an inching clutch to achieve the commanded inching torque while the commanded inching torque is less than a threshold inching torque. The controller is configured to instruct the inching clutch to achieve the threshold inching torque while the commanded inching torque is equal to or greater than the threshold inching torque. Herein the threshold inching torque is calculated based at least in part on a gear ratio established by engaging one or more clutches between an engine of the work vehicle and the inching clutch.

Abstract: A method for calibrating engine clutch delivery torque of a hybrid vehicle includes: determining an engagement control amount of an engine clutch which connects an engine with a driving motor or disconnects the engine from the driving motor based on a difference between speeds of the engine and the driving motor; determining a current delivery torque corresponding to the engagement control amount of the engine clutch that controls the engine clutch to be in a lock-up state and a temperature of the engine clutch; extracting a previous delivery torque that corresponds to the engagement control amount that controls the engine clutch to be in the lock-up state and the temperature and is included in a map table; and applying a weighted value to each of the extracted previous delivery torque and the determined current delivery torque to calibrate the delivery torque included in the map table.

Abstract: A clutch control method for a vehicle includes steps of: calculating, by a controller, an estimated clutch torque by substituting a plurality of parameters, and a sensed stroke of a clutch actuator into a predetermined characteristic function; updating, by the controller, the parameters as new values by a prediction error method using a torque error, which is a difference between a reference clutch torque and the estimated clutch torque; calculating a desired stroke by substituting a desired clutch torque and the updated parameters into a predetermined characteristic inverse function; and driving the clutch actuator based on the calculated desired stroke to control the clutch by the controller. The plurality parameters represent physical properties of a clutch, and the predetermined characteristic function represents characteristics of a clutch transmission torque to a clutch actuator stroke.