Abstract: A bumper beam for a vehicle that is lightweight and high in strength is provided. A bumper beam for a vehicle includes a first member and a second member. The first member includes a first top panel part, two first vertical wall parts, and two first flange parts. The second member includes a second top panel part, two second vertical wall parts, and two second flange parts. The second top panel part includes a protruding part that protrudes toward a side opposite to the first top panel part. The two second vertical wall parts are disposed such that the second vertical wall parts respectively face close the first vertical wall parts inside the first member. The two second flange parts are disposed such that the second flange parts are connected to the two second vertical wall parts and joined to the first flange parts, respectively.

Abstract: A galvanized reinforcement beam is continuously formed by uncoiling a roll of galvanized sheet stock in a generally horizontal plane. Protrusions are formed at an upper surface of the sheet stock, which is then roll formed to form a tubular shape with the protrusions abutting a surface of the sheet stock to form venting gaps. The sheet stock is laser welded at the protrusions to continuously form a weld joint, where zinc oxide gas generated from the welding is permitted to escape an interior of the tubular shape through the venting gaps.

Abstract: A mounting bracket for mounting a fog light on an automobile bumper includes a base plate having a center opening. A support frame is joined to and extending away from the base plate and around a portion of the opening, and a bottom plate is joined to another end of the support frame. The fog light is installed in the bracket through the center opening, so that an angle adjustment thumbwheel of the light is located in the space created by the support frame and bottom plate. The bracket with the light is then mounted to the bumper. A gap in the support frame allows the user to access and turn the thumbwheel after the light is mounted to the bumper. The bracket serves as a relocation bracket that allows factory fog lights for newer Jeep Wrangler model to fit into an aftermarket bumper designed for earlier Jeep Wranglers.

Abstract: A vehicle front structure includes a grille stay located behind a bumper panel having a grille opening, and a stay cover disposed to cover a rear portion of the grille stay. The grill stay faces an upper portion of the bumper panel from behind. The grille stay includes a front portion and a rear portion, and the rear portion has a smaller cross sectional area than the front portion. The grill stay further includes a step portion at a boundary between the front portion and the rear portion. The stay cover includes a front end that is disposed to face a rear face of the step portion.

Abstract: An air bag apparatus for protecting a passenger's head includes an air bag cover fixedly installed at an upper end of a seat back and an air bag cushion installed in a folded state in the air bag cover. The air bag cushion is deployed while breaking the air bag cover during supply of air bag gas from an inflator, and deployed toward one side of the passenger who is on a seat to protect the passenger's head during deployment. Accordingly, the air bag apparatus protects the passenger's head even in a situation in which a position of the seat is changed and an autonomous driving condition in which various sitting modes are arranged.

Abstract: To provide an emblem having a high engagement force and a cover body for an airbag apparatus provided with the emblem by means of a simple configuration. Emblem body has pin. Pin has shaft section provided with rib and enlargement section formed to be enlarged on the distal end side of shaft section. Pin is inserted through an opening section formed in a cover main body section. Back plate has hole section into which pin is inserted. Back plate has elastic piece section formed at the inner edge of hole section and elastically deformable in the insertion/removal direction of pin with respect to hole section. Elastic piece section abuts against rib of shaft section.

Abstract: Emblem body includes emblem main body section and pin projecting to emblem main body section and inserted through opening section. Pin has shaft section continuous with emblem main body section, enlargement section formed to be enlarged on the distal end side of shaft section, planar section formed in a planar shape along a direction intersecting with the protrusion direction of pin in enlargement section, and linear section linearly formed at a position different from planar section along a direction intersecting with the protrusion direction of pin in enlargement section. Back plate is provided with elastic piece section against which planar section and linear section abut from the direction opposite to the protrusion direction of pin at least during airbag inflation deployment.

Abstract: An extruded side curtain airbag ramp including a tear-resistant material forming at least one attachment feature and method for manufacturing said extruded side curtain airbag ramp. The airbag ramp according to the present invention incorporates a plurality of extruded materials and provides an easier manufactured product and attachment.

Abstract: A knee airbag apparatus for an autonomous vehicle, wherein a first cushion and a second cushion are deployed toward the knees of a passenger and a third cushion is deployed toward the feet and shins of the passenger according to a collision mode (head-on collision, offset collision or oblique collision) and a position (normal position or relaxation position) of a seat.

Abstract: An airbag apparatus for a vehicle may include: a surrounding airbag installed in a seat on which a passenger is seated, and deployed toward the passenger so as to cover an upper part and side parts of the passenger; a front airbag connected to the surrounding airbag, and laterally deployed to cover a front part of the passenger; and a behavior constraint tether extended from the front airbag to an upper portion of the surrounding airbag so as to constrain the surrounding airbag and the front airbag, and configured to constrain a forward behavior of the passenger through a tensile force.

Abstract: An airbag module assembly has an airbag cushion with at least one vent, a housing structure for receiving the airbag cushion, a housing cover for attachment to the housing structure, a vent connector connected to the vent, a pin puller mechanism with a retractable pin, and a flexible conduit extending from the airbag cushion adjacent the vent to the pin puller mechanism. The vent connector extends inside the conduit to a looped end for attachment to the retractable pin. The vent connector can be a rope or wire. The vent is initially in a closed position during deployment of the airbag. The airbag cushion is folded about the conduit during assembly and the vent connector is configured to pass through the flexible conduit when the airbag cushion is folded.

Abstract: The present invention provides a sealing structure of a sealed container in which an opening of a metallic cylindrical container is closed with a metallic closing member, wherein a gap between an inner wall surface on an side of the opening of the metallic cylindrical container and an outer surface of the metallic closing member that radially faces the inner wall surface is sealed with a seal member having been melted and solidified.

Abstract: An active hinge including a hood bracket for attachment to a vehicle hood and a body bracket for attachment to a vehicle body. A deploy bracket is pivotally attached to the hood bracket and the body bracket. The hood bracket is pivotable relative to the deploy bracket between a non-deployed position and a deployed position. At least one link interconnects, and is pivotally connected to the deploy bracket and the body bracket. A pawl is pivotally mounted to one of the hood bracket, the body bracket, the deploy bracket, and the at least one link. A bolt for engagement by the pawl is connected to another of the hood bracket, the body bracket, the deploy bracket, and the at least one link. An actuator is provided for disengaging the pawl from the bolt to allow the deploy bracket to move relative to the hood bracket and the body bracket.

Abstract: A seat structure for a vehicle comprises a seat, a seat rail comprising a lower rail and an upper rail, and an anchor bracket fixing an anchor (a first anchor) of a seatbelt device to the upper rail. The anchor bracket includes a first bracket provided with a first bottom portion fixed to the upper rail and a first side portion rising upwardly from the first bottom portion and a second bracket provided with a second bottom portion fixed to the upper rail, a second side portion rising upwardly from the second bottom portion, and an anchor attachment portion where the anchor is attached. The first side portion and the second side portion are joined together, overlapping each other in a vehicle width direction, and the first bracket extends forwardly beyond the second bracket.

Abstract: A webbing retractor includes a spool, a motor, a force limiter mechanism, a first rotating body, a second rotating body, a ratchet gear, a pawl body and a control section. The ratchet gear is provided at one of the first rotating body or the second rotating body. The pawl body is provided at another of the first rotating body or the second rotating body. The pawl body can engage with the ratchet gear in a case in which the first rotating body rotates toward one side, and engagement of the pawl body with the ratchet gear being cancelled in a case in which the first rotating body rotates toward another side. The control section drives the motor to rotate in reverse, such that the first rotating body rotates toward another side in a case in which a physical amount relating to load of the passenger exceeds a predetermined value during forward rotational driving.

Abstract: A driver identification seatbelt system including a seatbelt system having at least one first belt with a first coupling member, and a second coupling member. The driver identification seatbelt system further including a fingerprint recognition member.

Abstract: A vehicle control apparatus and method use a smart key provided with a display. The vehicle control method includes: an integrated manipulation unit detecting attachment of the smart key through a smart key detector disposed in a predetermined attachment area inside a vehicle; the integrated manipulation unit transmitting information on a target control function corresponding to a vehicle state to the smart key; outputting a first user interface corresponding to the information on the target control function on a first display of the smart key; transmitting information on a result of manipulation from the smart key to the integrated manipulation unit when an operating portion provided in the smart key is operated; and the integrated manipulation unit controlling the target control function based on the information on the result.

Abstract: Closure element having two brackets which are substantially perpendicular or transverse with respect to one another. The closure element closes a ball socket, with the result that a pivot therein cannot be removed. To this end, it closes the opening of the ball socket. The ball socket and the pivot with the closure element form a secured ball joint which is used for wiping systems. The securing is carried out by the closure element being pushed onto the ball joint.

Abstract: A cleaning device for a surface, such as a windshield of a vehicle, has a housing that holds a spray bar, rotatable brush and a wiper blade. An engagement mechanism moves spray bar, the brush, and the wiper blade out from a disengaged position within the housing to an engaged position outside the housing so that they can be used to clean, brush, and dry the surface. After the spray bar, brush, and wiper blade are used to, respectively, clean, brush, and dry the surface, the engagement mechanism then moves the spray bar, the brush, and the wiper blade to a disengaged position within the housing.

Abstract: A heatable fluid chamber assembly for a window or headlight washer system of a vehicle is disclosed. The assembly comprises a fluid chamber having a first fluid port and a heating line, arranged in the fluid chamber and generally arranged in the first fluid port. A rotary disk is arranged rotatably about an axis in or on the fluid chamber. A deflector extends into the fluid chamber. A portion of the heating line is deflectable by the deflector during a rotation of the rotary disc. A method of manufacturing the heatable fluid chamber assembly is also disclosed. The method comprises providing the fluid chamber having the first fluid port and passing the heating line through the first fluid port into the fluid chamber. A portion of the heating line is deflected by rotating the rotary disk which is arranged rotatably about the axis in or on the fluid chamber.

Abstract: A wheel well apparatus configured to be mounted within the wheel well of a motor vehicle wherein the wheel well apparatus is operable to inhibit accumulation of ice and dislodge any ice that has accumulated within the wheel well. The wheel well apparatus includes a body member that is arcuate in form so as to mateably mount within the wheel well of a motor vehicle. The body member includes a plurality of walls forming an interior volume that is hollow. The body member has operably coupled thereto a plurality of air ducts that are coupled to the heater of the vehicle. The air ducts are configured to direct hot air into the interior volume of the body member. A pressure release valve is coupled to the interior volume of the body member. The inner wall has a movable portion configured to provide dislodging of ice accumulation.

Abstract: A fluid-distribution assembly has controllable components. The fluid-distribution assembly also has a vehicle-fuelling connection configured to be selectively connectable to a first compressed-natural-gas tank of a first compressed-natural-gas-powered vehicle. The fluid-distribution assembly also has a fuel-storage connection configured to be selectively connectable to a fuel storage assembly. The fluid-distribution assembly is configured to be electrically connected to a controller assembly. The controller assembly is configured to monitor and control operations of the controllable components of the fluid-distribution assembly. The controllable components of the fluid-distribution assembly are configured to selectively distribute, under control by way of the controller assembly, a fluid flow of a compressed natural gas between the first compressed-natural-gas tank and the fuel storage assembly.

Abstract: Driving support ECU transmits a communication connection request to a help net center HNC when a driver of a vehicle has been determined to be in an abnormal state where the driver loses an ability to drive the vehicle, and when the communication connection to the help net center HNC has been established, the driving support ECU transmits the help signal (the positional information of the vehicle) and decelerates the vehicle at a constant deceleration to make the vehicle stop. On the other hand, when the communication connection to the help net center HNC has not been established, the driving support ECU makes the vehicle travel at a constant speed. Accordingly, it is possible to make the vehicle stop under a situation where the help net center HNC recognizes the vehicle position inside which the driver who has been determined to be in the abnormal state is.

Abstract: A braking control device comprises: an operational displacement sensor detecting operational displacement of a braking member; a first hydraulic pressure unit that reads operational displacement as a first displacement processing value via a first displacement signal line and adjusts braking hydraulic pressure based on the first displacement processing value; a second hydraulic pressure unit that reads operational displacement as a second displacement processing value via a second displacement signal line and adjusts braking hydraulic pressure based on the second displacement processing value; and a communication bus transmitting signals between the first and second hydraulic pressure units. The first hydraulic pressure unit acquires the second displacement processing value via the communication bus and determines suitability/unsuitability of the first displacement processing value.

Abstract: A train compartment brake control method comprises the following steps: acquiring the number of train compartments of a current train; acquiring the number and type of a current train compartment; and on the basis of a train brake instruction and the number of train compartments of the current train, calculating a braking force of the current train compartment, and performing brake control on the current train compartment. The technical solution described in the present application is applicable to a train having any number of train compartments. The above method acquires the number of train compartments of a train in real time, calculates the braking force required by each train compartment according to the number and type of a current train compartment, and performs brake control on the train.

Abstract: The present disclosure relates to a vehicle that detects a road surface state during operation of a vehicle stability system due to rapid braking while the vehicle is traveling, generates information about the detected road surface state, and shares the generated information with at least one external object, and a method of providing information about the road surface state for the vehicle. In addition, the present disclosure relates to a vehicle that receives information about the state of a road surface on which at least one external vehicle is traveling from the external vehicle during traveling, determines whether the state of the road surface on which the vehicle is currently traveling corresponds to a dangerous state or a safe state based on the received information about the road surface state, and informs a driver of the determination result, and a method of providing safe driving for the vehicle.

Abstract: This brake control device includes: an operation amount sensor which detects the brake operating member operation amount; front-wheel and rear-wheel actuators which generate braking force in front/rear wheels; front-wheel and rear-wheel sensors which detect the outputs of the front-wheel and rear-wheel actuators; and a controller which controls the front-wheel and rear-wheel actuators based on the operation amount and the outputs of the front and rear wheels. On the basis of the operation amount and/or the output of the rear wheels, the controller determines whether or not a long-term low-load state in which the friction member is continuously pressed against the rotary members of the rear wheels within a predetermined range over a long period of time is established. If so, the distribution ratio of the rear-wheel braking force to the total applied braking force is decreased compared to when a long-term low-load state is not determined to be established.

Abstract: A vehicular integrated brake system has an EBS and an EPB system integrated in the system to simplify a brake control system and reduce costs. An EBS function and an EPB function are incorporated by adding an EPB valve in the EBS valve system, so that the actuation of the EBS valves and the EPB valve can be controlled by a single integrated controller. A separate pneumatic route connecting the EPB is removed to optimize the pneumatic route. Thus, it is possible to simplify the controller and to reduce costs.

Abstract: A system for controlling centralized brake of vehicles, comprising: a pressure collection device for collecting the pressure of a main blast pipe and a train pipe control device. The pressure signal output end of the pressure collection device is connected to the pressure signal input end of the train pipe control device; the brake signal input end of the train pipe control device is connected to the brake signal output end of a brake controller; the train pipe control device is pneumatically connected to the main blast pipe and a train pipe separately by means of an air channel. By means of the solution, the installation space of a trailer is reduced, and the costs are lowered.

Abstract: An electric motor-operated drive unit, in particular for a brake actuator of a motor vehicle, includes a rotor shaft rotatably mounted in a housing; and a rotor position sensor that includes a transmitter wheel arranged on the rotor shaft in a rotatably fixed manner and a sensor fixed to the housing and assigned to the transmitter wheel, where a front face of the transmitter wheel is positioned opposite, and with an axial clearance to, a housing wall section of the housing. The transmitter wheel and/or the housing wall section are/is designed in such a way that the axial clearance increases radially outward, at least in some areas.

Abstract: A method for managing a control software of a braking system of a vehicle, the method including downloading, a vehicle-adapted control software from a server via a wireless interface of the vehicle, and flashing a control unit of the braking system with the vehicle-adapted control software.

Abstract: The present invention relates to systems and methods for pumping or removing a fluid from a region within or on top of or in contact with a water or liquid body and applications for said systems and methods. Some embodiments may also relate to anti-fouling or reducing fouling structures like docks.

Abstract: A device for preventing dilution of engine oil includes an oil pan in which oil for lubrication of the engine is recovered with fuel. An exhaust purifier is provided on a rear end of the engine and purifying exhaust gas. A gas passage can guide flow of exhaust gas passing through the exhaust purifier to the oil pan. A gas valve can control flow rate of the exhaust gas flowing in the gas passage. A controller controls an opening ratio of the gas valve depending on a temperature of oil inside the oil pan to maintain the temperature of the oil equal to or higher than a temperature at which the fuel in the oil pan is vaporized.

Abstract: A motor control apparatus and method for damping engine vibration are provided. The apparatus includes a data collection device that collects engine information and motor information and a processor that determines a magnitude of engine torque vibration using the engine information and the motor information. A weighting value is determined by determining a position of a piston in a cylinder of an engine, ignition timing, an engine angular acceleration, and an engine velocity. A motor arti-phase torque is calculated by reflecting the determined weighting value in the magnitude of the engine torque vibration and a motor is operated based on the motor anti-phase torque to cancel out the engine torque vibration.

Abstract: A system for changing a driving mode of an eco-friendly vehicle is provided, which includes a driving mode strategy establishment unit, an expected charging amount calculation unit, and an available charging amount calculation unit, wherein the driving mode strategy establishment unit establishes a driving mode strategy for each section of the vehicle based on an available charging amount, and if a first charging amount of the vehicle at a charging point is larger than a predetermined maximum charging amount during the established driving mode, the driving mode strategy establishment unit reestablishes the driving mode strategy for each section of the vehicle after deriving a second charging amount through correction of the first charging amount.

Abstract: A method of controlling the hybrid vehicle in which electric power of the battery and electric power generated by an electric generator are supplied to a drive device, a running load of the drive motor is estimated on the basis of the driver's requirement, and a first distance to empty that allows for running in a state where the estimated running load is fulfilled is calculated on the basis of an amount of charge remaining in the battery and an amount of fuel remaining used to drive the fuel cell. Then, a required running distance is estimated on the basis of the driver's requirement, and, on the basis of the first distance to empty and the required running distance, a necessary energy replenishment operation is notified to the driver.

Abstract: If the destination has not been input, it is judged whether the present location is on the expressway (step S32). If the judgement result of the step S32 is positive, it is judged whether or not the actual SOC is less than or equal to the threshold TH2 (step S34). If the judgement result of the step S34 is positive, the restoring control is executed (step S36). Subsequent to the step S34 or S36, it is judged whether or not the vehicle has reached the scheduled exit (step S38). If the judgement result of the step S38 is positive, it is judged whether or not the actual SOC is greater than or equal to the SOC_T2 (step S42). If the judgement result of the step S42 is positive, the maintaining control is executed (step S44).

Abstract: In a control device of a hybrid vehicle including an engine, a rotating machine, a power transmission device, and an electric oil pump, the control device comprising; a state determining portion; an electric oil pump control portion performing a test operation of the electric oil pump for determining whether the electric oil pump operates normally when it is determined that the measured temperature of the oil allows the electric oil pump to operate normally; and an engine control portion, the electric oil pump control portion performs the test operation of the electric oil pump in a predetermined period after a power supply state of the hybrid vehicle is switched to a power-on state enabling the vehicle to run and before the hybrid vehicle actually starts running, and when the test operation of the electric oil pump is performed in the predetermined period, the engine control portion starts the engine.

Abstract: A method for control and/or regulation of a hybrid powertrain of a motor vehicle, wherein exhaust gas is taken from an exhaust system and delivered to a fresh air supply of an internal combustion engine, wherein the residual recirculated exhaust gas is purged from the fresh air supply in the event of a negative load jump. After the negative load jump, the internal combustion engine continues to run with a smaller load and simultaneously the torque supplied by the internal combustion engine is recuperated by means of the electric machine, wherein no positive torque in total is applied to the output of the powertrain.

Abstract: A powertrain system includes one or more torque devices associated with the control of the driving force of a vehicle, and a control device configured to control the one or more torque devices. The control device is configured to act as: a first manipulated variable determination section that solves a linear programming problem to determine, based on one or more linear state equations that define a relationship between one or more state quantities controlled by the powertrain system and one or more manipulated variables of the one or more torque devices, the one or more manipulated variables such that one or more target state quantities are maximally achieved within one or more constraints of the powertrain system; and a torque device control section that controls the one or more torque devices in accordance with the one or more manipulated variables determined by the first manipulated variable determination section.

Abstract: An apparatus includes a route circuit and a stop-start circuit. The route circuit is structured to estimate a number of charging locations for an energy storage system of a vehicle for a planned route. The stop-start circuit is structured to determine a stop-start strategy for an engine of the vehicle based on the estimated number of charging locations and expected charges to be received by the energy storage system. The stop-start strategy defines a frequency and duration of using the engine in an on-mode during operation of the vehicle along the planned route. The stop-start circuit is further structured to determine that the energy storage system fails to receive an expected charge at one of the charging locations, and update the stop-start strategy to compensate for failing to receive the expected charge by increasing use of the engine in the on-mode during operation of the vehicle along the planned route.

Abstract: Provided is control method for hybrid vehicles capable of suppressing an increase in the frequency of mode switching while suppressing a decrease in the regenerative amount when the hybrid vehicle is set at the self-driving mode. The control method for hybrid vehicles that change an operation mode of the vehicle between HEV mode and EV mode in accordance with the size of a target drive force. When the manual-driving mode is set, the target driving force is calculated based on a vehicle-speed (VSP) and a driver's driving operation (APO), and when self-driving is set, the target driving force is calculated based on a target vehicle-speed and an actual vehicle-speed.

Abstract: A vehicle control apparatus includes a determination processor and a regeneration controller. During traveling in a first travel mode, the determination processor determines a timing at which a regenerative braking force based on a motor regenerative force is to be increased under the condition that an accelerator-off operation period is equal to or less than a predetermined period. During traveling in a second travel mode, the determination processor refrains from determining the timing at which the regenerative braking force is to be increased under the sole condition that the accelerator-off operation period is equal to or less than the predetermined period. The regeneration controller performs control that increases the motor regenerative force as the determination processor determines the timing at which the regenerative braking force is to be increased.

Abstract: There is provided a hybrid vehicle that suppresses overdischarge of a power storage device. In the case where a braking force is applied to drive wheels accompanied with regenerative driving of a second motor in an accelerator-off state upon satisfaction of a filter regeneration condition, when a state of charge of a power storage device is equal to or higher than a reference value, an engine and a first motor are controlled such as to perform fuel cutting of the engine and motoring of the engine by the first motor. When the state of charge of the power storage device is lower than the reference value, on the other hand, the engine is controlled such as to perform self-sustained operation or rotation stop of the engine.

Abstract: According to a control method for a hybrid vehicle that is caused to run by a drive motor as a load being supplied with electric power of a battery and electric power generated by an electric generator, a total distance to empty is calculated on the basis of a shortage of a generating power output of the electric generator with respect to a required running power output and an amount of charge remaining in the battery. Specifically, a length of time for which the shortage of the generating power output of the electric generator with respect to the required running power output is covered by the amount of charge remaining in the battery is calculated, and a distance that the hybrid vehicle can run for this length of time is set as a total distance to empty.

Abstract: Systems and methods changing between driveline operating modes of a hybrid vehicle are described. In one example, electrical output to electric power consumers is maintained during closing of a driveline disconnect clutch. Further, engine speed is controlled via a first electric machine to a speed of a second electric machine to provide smooth closing of a driveline disconnect clutch.

Abstract: A clutch control method for a hybrid vehicle with a DCT is provided. The method includes determining an energy-saving possible period based on a selection state of shifting ranges, operation states of an accelerator pedal and a brake pedal, and the gradient of a road on which the vehicle is driven. An operation current is set for maintaining a clutch, which is configured to engage the first gear, engaged as 0 A in response to determining that a current state of the vehicle is in the energy-saving possible period.

Abstract: A hybrid electric vehicle control apparatus increases a speed of an engine in view of a speed of a drive motor when starting the engine, and turns on an engine clutch after identifying a self-operation of the engine, based on a disturbance torque, thereby rapidly synchronizing the engine speed and the drive motor speed and preventing waste of fuel, which in turn improves fuel efficiency.

Abstract: An exemplary method for detecting a lateral oscillation of a vehicle includes monitoring yaw rate data and lateral acceleration data of the vehicle, analyzing the yaw rate and lateral acceleration data to generate a yaw rate signal energy distribution and a lateral acceleration signal energy distribution, determining whether a series of conditions are satisfied; and if the conditions are satisfied, automatically controlling the actuator to reduce the lateral oscillation of the vehicle. In some examples, the series of conditions includes the detection of spikes in the yaw rate and lateral acceleration data at approximately the same frequency, a magnitude of the spikes exceeding a first threshold, and a phase shift between the yaw rate and lateral acceleration data exceeding a second threshold.

Abstract: Provided is a control apparatus for a four-wheel-drive vehicle configured to, when a degree of transmission of a driving force to a side of rear wheels is smaller than a predetermined degree, calculate a correction value for a wheel speed based on a rotation-related value, and calculate a wheel speed through use of the rotation-related value and the correction value.