Abstract: Apparatuses, methods, and computer readable medium are provided for controlling an audio system in a vehicle. At least two sub-panels are presented via a display and at least one of the sub-panels provides one or more audio setting options for a first individual or group of occupant locations. The audio setting options are distinct relative to a second individual or group of occupant locations. User selections are received via an input sensor, such as a touchscreen incorporated into the display or separate buttons, knobs, touch-sensitive inputs, or the like. The audio system is controlled in accord with the user selections.

Abstract: In a control method of a motor drive system, when a first motor corresponding to a first drive wheel is being driven in a second drive mode among a first drive mode in which the first motor is driven by a first inverter of the motor drive system and connected to a first end of each of coils of the first motor and the second drive mode in which the first motor is driven by the first inverter and a second inverter connected to a second end of each of the coils and configured to selectively operate, whether or not the second inverter malfunctions is determined. When the second inverter malfunctions, a drive mode is changed so that the first motor is driven in the first drive mode. An output limit of the first motor in the first drive mode is relaxed.

Abstract: Traction control using multiple actuators is provided. A system can identify a slip for a vehicle wheel based on a difference between a wheel motion and a vehicle motion. The system can determine an amount of torque to apply to the wheel to adjust the slip to satisfy the slip target. The system can distribute a first portion of the torque to apply to the wheel via a first actuator of the plurality of actuators and a second portion of the torque to apply to the wheel via a second actuator of the plurality of actuators. The system can provide commands to cause the first actuator to apply the first portion of the amount of torque and cause the second actuator to apply the second portion of the amount of torque to adjust the slip of the wheel.

Abstract: A wheel motor compensation system is for a vehicle. The vehicle has a wheel motor and a tire coupled to the wheel motor. The system includes a hybrid wireless tire sensor (HWTS) coupled to an interior of the tire, a processor electrically connected to the wheel motor, and a memory. The memory has instructions that, when executed by the processor, cause the processor to perform operations including gathering real time data with the HWTS, and utilizing the real time data to compensate the wheel motor so that preferred torque is applied to the tire.

Abstract: Methods and systems are provided for generation of lower-frequency tactile energy (e.g., vibration) of a vehicle system based on audio signals. In one example, a method may include acquiring an audio signal from an audio system, generating a motor input command, and applying the motor input command to at least a first traction motor and a second traction motor to create a resultant vibrational force.

Abstract: To encourage users to improve their carbon footprint, a transport may be provided with an enhanced operating manner in response to external events that lower the carbon footprint of one or more occupants of the transport. Events, such as lowering the energy consumption of a person's home dwelling, may be communicated to the transport and trigger an enhanced mode in the transport, such as an enhanced driving mode (e.g. sport mode) or an enhanced charging mode.

Abstract: Methods and systems are provided for an electric vehicle are provided. In one example, a method for an electric vehicle having a first prime mover for supplying a torque to a first axle and a second prime mover for supplying a torque to a second axle comprises transitioning the first prime mover and the second prime mover to cross a lash zone one before the other, where the lash zone of the second prime mover does not overlap with the lash zone of the first prime mover. In one example, the first prime mover is controlled with a first electronic controller and the second prime mover is controlled with a second electronic controller positioned separately in the vehicle from the first electronic controller. In one example, the method further comprises communicating information from the first electronic controller to the second electronic controller via a communication area network.

Abstract: An electrified vehicle includes a motor including a plurality of windings, a first inverter connected to a first end of each of the plurality of windings and configured to drive the motor, a second inverter connected to a second end of each of the plurality of windings and configured to drive the motor in a second driving mode of a first driving mode and the second driving mode, a first controller configured to determine one of first and second output limit lines as an output limit line of the first driving mode, depending on whether a preset condition is satisfied, and a second controller configured to bidirectionally switch the first driving mode and the second driving mode within an operating point range according to the output limit line of the first driving mode in accordance with a value of a torque command for the motor and counter magnetic flux of the motor.

Abstract: The present disclosure provides a power unit, aiming to provide a four-in-one drive powertrain for an electric vehicle. Key points of the technical scheme include a shell body. One side of the shell body is formed with a chamber having a partition structure arranged in a middle part thereof, the partition structure separates the chamber into a control part and a drive part, and the other side of the shell body is provided with a deceleration part and a DC/DC part. The control part includes a containing cavity positioned on a left side of the chamber and integrally formed with the shell body to place a controller. The drive part includes an accommodating cavity positioned on a right side of the chamber and integrally formed with the shell body to install an electric motor.

Abstract: A control system, adapted for a boat including a motor driving a propeller; a battery supplying electricity to the motor; an actuator moving the battery in a front-rear direction of a boat; a rail guiding a movement of the battery; a sensor detecting a travel speed of the boat, or detecting an electricity consumption amount of the battery. The control system includes a control unit, including a processor, configured to control the actuator to change a position of the battery based on the travel speed of the boat, or based on the electricity consumption amount of the battery.

Abstract: A method for wirelessly or conductively (non-wireless) providing AC or DC power in AC or DC load applications and bidirectional applications.

Abstract: A method and apparatus for parking lot metering. The present invention allows multi-space meters to separately manage and control premium parking spaces, such as those for charging electric vehicles or those which supply electric power for engine block heaters in both pay-by-space and pay-an-display systems. Such premium spaces can be managed together over large areas (e.g., a city or region), or may be managed over smaller areas (e.g., the domain of an individual kiosk), or individually per parking space. Management includes pricing, time limits, hours, seasons of operation, and restrictions by vehicle type, and alternative pricing and restrictions for non-premium hours.

Abstract: An electric drive system is actively controlled while an electrified vehicle is being towed. The inverter switches are manipulated to preclude exceeding a maximum voltage of a DC bus and also to preclude exceeding a maximum phase current magnitude. During a transition from an inverter off state to a short-circuit state, field-oriented control is utilized.

Abstract: A charge-discharge control system according to an aspect of the present invention is a charge-discharge control system in which each of a plurality of charge-discharge elements autonomously controls charging-discharging, and the charge-discharge control system includes: an external control device that broadcasts a control signal to the charge-discharge elements that perform charging-discharging; and an authentication device that permits charging-discharging of each of the charge-discharge elements. The charge-discharge elements having received the control signal transmit, to the authentication device, a permission request signal for requesting permission for charging-discharging, which is based on the received control signal.

Abstract: A positioning unit and a method for forming an electrically conductive connection between an electrically driven vehicle, and a stationary charging station using a positioning unit, in which the positioning unit is configured to be disposed on a vehicle roof, a contact device of the positioning unit being configured to be moved relative to a charging contact device of the charging station and to make electrical contact therewith in a contact position, the positioning unit having an articulated arm device for positioning the contact device and a drive device for driving the articulated arm device, the articulated arm device having a pivoting device with a pivoting arm, the pivoting device being configured to pivot the contact device from a storage situation into a contact situation and vice versa. The positioning unit comprises a securing device configured to secure the pivoting arm in the storage situation in a form-fitting manner.

Abstract: A solar charging system mounted on a vehicle, comprising: a solar panel; a drive battery used for driving the vehicle; an auxiliary battery for supplying electric power to an in-vehicle device operating during parking; and a control unit for controlling electric power of the solar panel, the drive battery, and the auxiliary battery, wherein the control unit controls, during parking, a charging process for supplying generated electric power of the solar panel to the drive battery and a discharging process for supplying electric power of the drive battery to an auxiliary system including the auxiliary battery and the in-vehicle device so as not to be executed at the same time.

Abstract: A vehicular power generation system includes a power generating device disposed at a vehicle. The power generating device generates electricity responsive to manual operation of an input component of the power generating device by an occupant within an interior cabin of the vehicle. Responsive to the occupant manually operating the input component of the power generating device, the vehicular power generation system outputs electricity generated by the power generating device to electrically charge a battery of the vehicle or electrically power an electrical device within the vehicle.

Abstract: This disclosure is generally directed to systems and methods related to an electric vehicle charging arrangement. An example method executed by a first computer can include evaluating an agreement between a first party associated with an electric vehicle and a second party associated with a property in which the first computer can be located. The method can further include granting to a second computer of the electric vehicle, an authorization to permit the electric vehicle to enter the property of the second party during a time slot defined in the agreement; and granting, to the electric vehicle, access to an electric vehicle charging station on the property during the time slot defined in the agreement. The time slot, which is available for use on a repetitive basis over a stipulated period of time, can be outside of business hours of an activity performed by the second party on the property.

Abstract: A system for managing on-demand charging or discharging of electrical energy. The system includes a plurality of energy storage devices, one or more connectors configured to connect with a plug of an external device, a switching device configured to control a connection between the plurality of energy storage devices and the one or more connectors, and an electronic control unit (ECU) coupled to the switching device. The ECU may receive data relating to a first external device and a second external device each requesting an on-demand charging or discharging of electrical energy, determine a first amount and a second amount of electrical energy to be charged to or discharged from, respectively, the first external device and the second external device, and determine whether a service apparatus is capable of the on-demand charging or discharging of electrical energy for the first and the second external devices without requiring additional electrical energy.

Abstract: A power supply system for moving body, includes, a power generation unit, a power storage unit, a converter provided between the power generation unit and the power storage unit, the converter including a power storage unit-side converter terminal and a power generation unit-side converter terminal, an external connection terminal configured to electrically connect to an external device, a first switching unit configured to switch between connected and disconnected of the external connection terminal, the power storage unit, and the power storage unit-side converter terminal, a second switching unit configured to switch between connected and disconnected of the power generation unit-side converter terminal and the external connection terminal, a third switching unit configured to switch between connected and disconnected of the power generation unit-side converter terminal and the power generation unit, and a control device configured to control the first switching unit, the second switching unit, and the thi

Abstract: Systems and methods for managing the allocation of incoming charge power between an on-board power supply power output and HV battery power input. An electric vehicle (EV) may be used to provide power to one or more electrical devices connected to an on-board power supply of the EV. When the EV is connected to a charging device, a rate of charge may be determined. An allocation of the incoming charge power from the charging device may be determined as between a high voltage (HV) battery of the electric vehicle and the on-board power supply of the electric vehicle. Power may be simultaneously provided to the HV battery and the on-board power supply.

Abstract: Utility vehicles include ground engaging members, a frame supported by the ground engaging members, a motor supported by the frame operably coupled to the ground engaging members, and a battery configured to provide electrical power to the motor. The battery may be removable and configured to be easily charged by outside power sources such as generators and external batteries. A charger may be configured to receive instructions to charge the battery using a specific charger operating characteristic. The vehicle may also include a variety of accessory ports configured to electrically couple to accessories that use AC or DC power.

Abstract: A charging method includes: obtaining a first voltage of a charging port of a vehicle; determining a target buck value based on the first voltage, adjusting a voltage on a buck side of a buck-boost converter of the vehicle based on the target buck value, and sending the target buck value to a charging pile to enable the charging pile to determine an output voltage of the charging pile based on the target buck value; increasing a charging demand current of the vehicle to a maximum allowable charging current of the vehicle; and charging the vehicle according to the maximum allowable charging current.

Abstract: The present disclosure provides methods, systems, and devices for controlling electric vehicle charging across multiple customers and multiple fleets of electric vehicles. These methods, systems, and devices may implement machine learning to determine distinct charging strategies for a plurality of charging depots. Scheduling methods systems, and devices disclosed herein do not require fixed electric vehicle arrival times but may instead update charging strategies in real time based on changes in a state of a system.

Abstract: A method for adjusting a vehicle charging current includes: acquiring a request charging current value and an actual charging current value of a battery; determining a current adjustment value of the battery based on the request charging current value and the actual charging current value; and in response to an absolute value of the current adjustment value being greater than a preset adjustment threshold, determining a vehicle charging current value based on the request charging current value, the current adjustment value and a consumed current value of accessories, wherein the consumed current value of the accessories is a current value consumed by circuits other than the battery.

Abstract: A network-based energy management system of managing electric vehicle (EV) charging network infrastructure is provided. The system comprises a gateway including one or more of an electric vehicle supply equipment (EVSE), a building automation system and any other independent controller. The gateway is configured for performing charging authorization, load management and/or demand response on an EVSE network using more than one communication channels including remote and/or local modes. The EVSE network includes two or more components from a group of components including a first EVSE, a controller, a second EVSE, the building automation system, a local server, a remote server and other energy management device.

Abstract: A method is disclosed for controlling an amount of charging resources available to a plurality of electric vehicle supply equipments, EVSEs. The method comprises receiving, from each of the plurality of EVSEs, data representing one or more actual charging profiles of respective one or more charging sessions. Each actual charging profile indicates for its charging session a plurality of values indicative of an amount of consumed charging resources at respective times ranging from an actual charging session start time to an actual charging session end time. Further, each actual charging profile is indicative of a total amount of energy provided to an electric vehicle during the charging session associated with the actual charging profile. The method further comprises, for each actual charging profile, determining a fictitious charging profile associated with a fictitious charging session based on the actual charging profile.

Abstract: A server device displays on a user terminal a profile setting screen that allows a user to enter information on the user's needs regarding battery replacement, and in response to the user's entry through the screen, acquires profile information (setting information) on the user's needs. When a specific event occurs (i.e., provision of information on a suitable battery station or an alert of battery replacement necessity), the server device displays on the user terminal a notification screen (station screen or alert screen) for notification of the event, generated based on the profile information.

Abstract: A server device acquires profile information (setting information) on user's needs regarding battery replacement from a user terminal, and analyzes historical information on battery replacement at each station to generate an unavailability index representing a degree of unavailability of battery lease. When a specific event occurs (i.e., information on a suitable battery station or an alert of battery replacement necessity is provided), a user terminal displays a notification screen (station screen or alert screen) for notification of the event, generated by the server device based on profile information and an unavailability index.

Abstract: A server (management apparatus) includes: a communication unit (first acquisition unit) that acquires a request regarding adjustment of electric power supply-and-demand in a power grid; and a processor (controller) that performs, based on the request, control to notify, a user of an electrically powered vehicle, of a replacement cost required for battery replacement at a battery station (battery replacement apparatus). When charging with electric power of the power grid is requested and a battery (first battery) of the electrically powered vehicle has an SOC lower than the SOC of a battery (second battery) having a maximum SOC to be used for charging, among a plurality of batteries (second batteries), the processor performs control to notify the user of the replacement cost lower than a normal replacement cost.

Abstract: A method of controlling a vehicle where the vehicle includes a first battery, a second battery, a solar cell, a power converter, a power divider, and a power supply. The method includes producing power by the solar cell and converting a voltage of the produced power by the power converter. The method also includes transferring, by the power divider, the power produced by the solar cell to at least one of the first battery or the second battery based on a state of charge (SoC) of the first battery and a SoC of the second battery. The method also includes stopping the power supply from supplying power to the power converter when a time for which the power is supplied to the power converter is longer than or equal to a predetermined reference time.

Abstract: A system including a vehicle having a motive electrical power path; a power distribution unit having a current protection circuit disposed in the motive electrical power path, the current protection circuit including: a first leg of the current protection circuit comprising a first pyro-fuse; a second leg of the current protection circuit comprising a thermal fuse in series arrangement with a second pyro-fuse; and where the first leg and the second leg are coupled in a parallel arrangement; a controller, including: a current detection circuit structured to determine a current flow through the motive electrical power path; and a pyro-fuse activation circuit structured to provide a pyro-fuse activation command in response to the current flow exceeding a threshold current flow value; and where at least one of the first pyro-fuse and the second pyro-fuse is responsive to the pyro-fuse activation command.

Abstract: A system and method are provided that may identify a first battery pack to be removed from a vehicle based at least in part on a measured state of charge. The first battery pack and/or a replacement battery pack may be conditioned by changing the state of charge of the first battery pack or the replacement battery, and/or connecting a bypass connector with the replacement battery pack between the replacement battery pack and a power source that also is connected with the one or more other battery packs on the vehicle. The bypass connector may bypass charging energy from the power source to the replacement battery pack while the power source charges the one or more other battery packs to increase the state of charge of the one or more other battery packs toward the state of charge of the replacement battery pack.

Abstract: An electrified vehicle includes: a battery; a motor drive device configured to drive a motor through an inverter, based on a voltage of the battery; and a battery controller configured to determine whether to perform output limiting on the battery, based on whether a ratio of regenerative braking is less than or equal to a preset ratio, wherein the ratio of regenerative braking is varied according to an amount of charging of the battery and an amount of discharging of the battery within a preset time interval, and adjust, based on the output limiting being performed on the battery, a derate ratio associated with a battery output limit value.

Abstract: A power plant thermal-management-system control method for controlling thermal management systems in PMCs is provided. The thermal management systems are operated based on coolant temperatures of the PMCs of a power plant of a fuel cell vehicle to prevent the temperatures of the PMCs from deviating from a reference range, which in turn prevents degradation of fuel cells.

Abstract: A vehicle, includes: a vehicle body, and a side door opening portion opened and closed by a side door, formed at a side of the vehicle body; a seatbelt device having a seatbelt, a tongue plate, and a buckle; and a seat at which the seatbelt device is installed, the buckle being fixed at one side in a transverse direction of the seat, the seat being attached to a floor of a cabin so as to be rotatable about a rotation axis extending in a vehicle vertical direction, and the seat being disposed at a position at which, in a state in which the seat is oriented toward a vehicle rear side, the one side in the transverse direction of the seat is disposed at the side in the transverse direction of the vehicle body, and the buckle and the side door opening portion do not overlap in a vehicle transverse direction.

Abstract: A vehicle seating assembly includes a seat base, a seatback, a track assembly, a front actuator assembly, and a rear actuator assembly. The seat base includes forward and rearward regions. The seatback is pivotably coupled to the seat base proximate to the rearward region. The track assembly is coupled to the seat base. The track assembly includes an upper track and a lower track. The upper track is movable relative to the lower track. The front actuator assembly couples the seat base to the upper track proximate to the forward region. The rear actuator assembly couples the seat base to the upper track proximate to the rearward region. The vehicle seating assembly is movable between a design position, a lowered position, a raised position, and a reclined-and-raised position by adjusting at least one component chosen from the front actuator assembly and the rear actuator assembly.

Abstract: Systems and techniques are provided for controlling an active seating system in an autonomous vehicle (AV). An example method can include determining an anticipated movement of an autonomous vehicle (AV) based on at least one of AV route data, AV map data, and AV sensor data; determining, based on the anticipated movement, one or more seat operations for an active seating system associated with at least one AV seat, wherein the one or more seat operations are configured to mitigate an effect of the anticipated movement on the at least one AV seat; and sending at least one instruction that includes the one or more seat operations to the active seating system.

Abstract: A seat moving device for a vehicle, includes: a lead screw having a male thread formed on the outer circumferential surface thereof, and arranged in the front-rear direction of the vehicle under the bottom surface of the interior space of the vehicle; a drive motor; a worm gear rotationally driven by the drive motor; a worm wheel rotating in engagement with the worm gear; a transmission gear rotating integrally with the worm wheel; a belt for power transmission engaged with a spur gear of the transmission gear, and formed in a closed curve shape; a moving wheel having a female thread engaged with the male screw formed on the inner circumferential surface thereof; and a gear box having an accommodation space formed therein for accommodating the worm gear, the worm wheel, the belt for power transmission, and the moving wheel.

Abstract: A vehicle seat includes a base part, a first movable part, a second movable part, a lock member, and an interlocking mechanism configured to link movement of the lock member to movement of the second movable part. The interlocking mechanism includes an attaching member, a first rotational member connected to the second movable part, a second rotational member connected to the lock member, and a swingable member provided swingably on the second rotational member. The engagement of the swingable member and the first rotational member causes the first rotational member and the second rotational member to rotate together, whereby the lock member moves from a lock position to an unlock position. The swingable member disengaging from the first rotational member permits the first rotational member and the second rotational member to rotate independently, whereby the lock member moves from the unlock position to the lock position.

Abstract: A clutch unit (100) includes an operation lever (21), an operation member (22), an input-side clutch (50), an output-side clutch (60), and a bottomed cylindrical housing (11). The input-side clutch (50) includes an input-side inner ring member (51) and an operation bracket (54). The operation bracket (54) includes an engagement portion (54b) that engages with the input-side inner ring member (51), a facing portion (54d) that faces the bottom surface (11 a) of the housing (11) with a gap therebetween, a fastened portion (54c) that penetrates a through hole (11h) formed in the bottom surface (11a) of the housing (11) and is fastened to the operation member (22), and a sliding-contact portion (54e) that extends from the facing portion (54d) toward the bottom surface (11a) of the housing (11) and comes into sliding-contact with the bottom surface of the housing (11).

Abstract: In order to suppress a claustrophobic feeling that a person sitting on a rear seat receives due to a front seat, and to make the front seat easy to use as an ottoman by the person, a movement adjustment system is used for a passenger seat and a rear seat, and includes a slide rail for moving the rear seat in the front to back direction, and a control part for changing the movement region of the rear seat by the slide rail. The passenger seat has a seat cushion, and a seat back mounted to be changeable between an upright state and a lowered state with respect to the seat cushion. The control part changes the movement region so that the passenger seat and the rear seat can come closer when the seat back of the passenger seat is in the lowered state than in the upright state.

Abstract: A vehicle seat includes a hinge cover that is disposed at aside portion of a seat cushion and has an opening through which a recliner shaft of a recliner provided between the seat cushion and a seat back passes, and a reclining lever that is disposed at an outer side in a seat width direction with respect to the hinge cover and is rotatable about the recliner shaft to unlock the recliner. A part of an edge portion of the opening of the hinge cover is provided with a facing portion that protrudes further toward the recliner shaft side than another portion of the edge portion and faces the recliner shaft in proximity.

Abstract: A vehicle seat includes a hinge cover and a reclining lever. The hinge cover is disposed at a side portion of a seat cushion, and has an opening through which a recliner shaft of a recliner provided between the seat cushion and a seat back passes. The reclining lever is disposed at an outer side in a seat width direction with respect to the hinge cover, is rotatable about the recliner shaft to unlock the recliner, and has a protrusion protruding inward in the seat width direction, the protrusion facing an edge portion of the opening in a radial direction of the recliner shaft.

Abstract: A child restraint includes a seat base adapted to be secured to a vehicle seat. The seat base includes a seat-base foundation formed to include a vehicle seatbelt path and a vehicle seatbelt retainer coupled to the seat-base foundation and configured to pivot between a released position spaced away from the vehicle seatbelt path and a clamped position overlying the vehicle seatbelt path to clamp a vehicle seat belt to the seat-base foundation to secure the seat base to the vehicle seat. The child restraint further includes a juvenile seat adapted to be secured to the seat base and a seat connection system configured to maintain connection between the juvenile seat and the seat base.

Abstract: A child restraint includes a seat base adapted to be secured to a vehicle seat. The seat base includes a seat-base foundation formed to include a vehicle seatbelt path and a vehicle seatbelt retainer coupled to the seat-base foundation and configured to pivot between a released position spaced away from the vehicle seatbelt path and a clamped position overlying the vehicle seatbelt path to clamp a vehicle seat belt to the seat-base foundation to secure the seat base to the vehicle seat. The child restraint further includes a juvenile seat adapted to be secured to the seat base and a seat connection system configured to maintain connection between the juvenile seat and the seat base.

Abstract: A child restraint includes a seat base adapted to be secured to a vehicle seat. The seat base includes a seat-base foundation formed to include a vehicle seatbelt path and a vehicle seatbelt retainer coupled to the seat-base foundation and configured to pivot between a released position spaced away from the vehicle seatbelt path and a clamped position overlying the vehicle seatbelt path to clamp a vehicle seat belt to the seat-base foundation to secure the seat base to the vehicle seat. The child restraint further includes a juvenile seat adapted to be secured to the seat base and a seat connection system configured to maintain connection between the juvenile seat and the seat base.

Abstract: A child restraint includes a seat base adapted to be secured to a vehicle seat. The seat base includes a seat-base foundation formed to include a vehicle seatbelt path and a vehicle seatbelt retainer coupled to the seat-base foundation and configured to pivot between a released position spaced away from the vehicle seatbelt path and a clamped position overlying the vehicle seatbelt path to clamp a vehicle seat belt to the seat-base foundation to secure the seat base to the vehicle seat. The child restraint further includes a juvenile seat adapted to be secured to the seat base and a seat-release system.

Abstract: A child safety seat comprising a seat shell comprising a seat portion and a back portion, an adjustable backrest configured to be moveable with respect to the seat shell between a first position, where at least a portion of the backrest is moved away from the back portion and closer to a front edge of the seat portion, reducing the available seating area for an occupant of the seat, and a second position, where at least a portion of the backrest is moved toward the back portion and further from the front edge of the seat portion, increasing the available seating area for the occupant of the seat.

Abstract: One aspect of the present disclosure is a vehicle seat including a lower arm fixed to a cushion frame, and a recliner coupled to a back frame and to the lower arm and configured to cause the back frame to pivot relative to the lower arm. The lower arm includes a recliner plate. The recliner plate includes an impact absorbing hole located in a position lower than a rotational center-axis of the recliner, a first bead extending from the impact absorbing hole to the seat rear side and curved so as to protrude along a thickness of the recliner plate, and a second bead extending from the impact absorbing hole to a seat front side and curved so as to protrude along the thickness of the recliner plate. A protruding direction of the second bead is opposite to a protruding direction of the first bead.