Abstract: A massage apparatus, in which a height of an auxiliary portion is adjustable, includes: a body portion configured to support an upper body of a user; and an auxiliary portion connected to the body portion to support a lower body of the user. The auxiliary portion includes a lifting member configured to adjust a height of the auxiliary portion.

Abstract: A wheel assembly includes a wheel, and a driving module connected to the wheel. In particular, the driving module includes: a first motor defining a first rotation axis extending in an axial direction of the wheel and configured to rotate the wheel about the first rotation axis, a second motor that rotates the wheel about a second rotation axis spaced apart from the first rotation axis in a radial direction of the wheel, and a third motor that provides a driving force for steering the wheel in a third rotation axis that extends in a direction crossing the first rotation axis and the second rotation axis. The second motor is disposed to be spaced apart from the third rotation axis in a first direction that crosses the second rotation axis and the third rotation axis.

Abstract: A wheel assembly includes a wheel, and a driving module connected to the wheel. The driving module includes a first motor defining a first rotation axis extending in an axial direction of the wheel, and that rotates the wheel about the first rotation axis, a second motor defining a second rotation axis spaced apart from the first rotation axis in a radial direction of the wheel, and that rotates the wheel about the second rotation axis, and a third motor that provides a driving force for steering the wheel about a third rotation axis extending in a direction crossing the first rotation axis and the second rotation axis. When a direction crossing the second rotation axis and the third rotation axis is a first direction, the third motor is disposed to be spaced apart from the third rotation axis in the first direction.

Abstract: A robot includes a moving body including a body part, an information acquisition part, and a controller that controls the moving body. The moving body further includes a plurality of wheels disposed on both sides of the body part in a front-rear direction. The controller determines a first allowable acceleration that is an allowable acceleration of the moving body in a reference posture and a second allowable acceleration that is an allowable acceleration of the moving body in a current posture, compares the first allowable acceleration and the second allowable acceleration, and controls the moving body based on the posture of the moving body and a difference between the first allowable acceleration and the second allowable acceleration.

Abstract: It is disclosed that an intelligent fault isolation device capable of rapidly and accurately detecting faults based on an inclination angle of fault currents according to a line impedance and an operating method thereof. The intelligent fault isolation device that minimizes power failure sections in a low-voltage direct current (LVDC) distribution system includes a plurality of hardware device units and a software device unit. The hardware device units provide a transmission path for current applied from a converter side to a consumer side. The software device unit calculates an inclination angle of a fault current in consideration of the line impedance of each section and determines that a fault has occurred in section n to limit the fault current in the operation mode of the hardware device unit corresponding to the section among the hardware device units.

Abstract: A display panel and an electronic device including the same are disclosed. A display panel includes metal layers, a first insulating layer covering the metal layers, a first reflective layer on the first insulating layer of a first sub-pixel, a second insulating layer covering the first reflective layer, a second reflective layer on the second insulating layer of a second sub-pixel, a third insulating layer covering the second reflective layer, a third reflective layer on the third insulating layer of a third sub-pixel, and first electrodes on the third insulating layer of each of the first to third sub-pixels. A plurality of holes penetrating the first to third insulating layers of each of the first to third sub-pixels is formed, and the metal layer of each of the first to third sub-pixels is coupled to the first electrode of each of the first to third sub-pixels through each hole.

Abstract: The present disclosure relates to a system and a method for validating the validity of a sensor, in particular, validating the validity of a sensor using a control limit. The method for validating the validity of a sensor using a control limit includes inferring a posterior distribution of a parameter in a Bayesian technique using a prior distribution of the parameter of sensor data and historical data of the sensor, setting a target credible interval for the posterior distribution of the parameter and setting a control line of the sensor data using the set credible interval, and validating the validity of the sensor by monitoring whether the actual measurement data of the sensor deviates from the control line.

Abstract: The present disclosure provides a drive module that includes a drive part that is coupled to a wheel and has first to third motors. The drive part also includes a sensor part that has first to third sensors to detect a motion of the drive part. The sensor part includes a first sensor that is configured to detect a motion of the first rotary shaft, a second sensor that is configured to detect a motion of the second rotary shaft and a third sensor that is configured to detect a motion of the third rotary shaft.

Abstract: Proposed is a positive electrode containing a positive electrode active material having a multimodal particle-size distribution to suppress particle crack of the positive electrode active material caused by pressure applied during a positive electrode and cell manufacturing process, thereby exhibiting excellent electrical characteristics. In addition, an all-solid-state battery including the positive electrode is proposed. The positive electrode may include a positive electrode active material formed of a lithium transition metal oxide and having a multimodal particle-size distribution in which particles with relatively small particle diameters have greater particle strength than particles with relatively large particle diameters.

Abstract: The present disclosure relates to an apparatus for controlling a side mirror of an autonomous vehicle and a method thereof. According to an embodiment of the present disclosure, it is possible to detect whether a vehicle is autonomously driven and to fold the side mirror such that a mirror surface is in close contact with a vehicle body surface or side window glass or to insert the side mirror into the inner space of the vehicle when the vehicle is autonomously driven. Through the present disclosure, it is possible to notify an external vehicle of information indicating that the vehicle is driven in an autonomous driving mode.

Abstract: A method of manufacturing an all-solid-state battery electrode, an all-solid-state battery electrode manufactured by the method, and an all-solid-state battery including the electrode are disclosed. In the method, a specific type of binder included in the electrode is prepared in a fiber form by applying pressure to the binder under specific conditions, so that the fiber-form binder thus prepared has an average fineness that satisfies a specific range. Therefore, the all-solid-state battery including the electrode has an advantage of having high capacity even in the case of electrode thickening for high loading.

Abstract: An apparatus and a method are configured to control a steering wheel of an autonomous driving vehicle. A state of a driver may be monitored during autonomous driving, and at least one of an upward/downward location, a leftward/rightward tilting angle, or an axial movement of the steering wheel of the autonomous driving vehicle may be controlled based on the state of the driver. As a result, danger information may be delivered to the driver through a dual system during autonomous driving.

Abstract: Disclosed are a negative-electrode-free all-solid-state battery and a method for manufacturing the same, in which the negative-electrode-free all-solid-state battery has a coating layer including a lithium alloy derived from a sulfide-based inorganic compound in which a lithium site is doped with a doping element, and thus has excellent electrochemical characteristics and life characteristics.

Abstract: Disclosed are a sulfide-based solid electrolyte doped with silver to have a novel composition, and an all-solid-state battery including the same. According to one aspect of the present disclosure for achieving the above-described technical purpose, there is provided a sulfide-based solid electrolyte comprising a compound represented by a following Chemical formula 1: Lia-bMbPcSdXe??[Chemical formula 1] wherein M includes at least one selected from the group consisting of Ag, Na, K, Rb, Cs, Fr, and a combination thereof, wherein X includes at least one selected from the group consisting of F, Cl, Br, I, and combinations thereof, wherein 0<a?15, 0.02?b?0.9, 0?c?3, 0<d?12, and 0?e?3.

Abstract: An air-cooled battery for a vehicle includes a battery mounted on a floor of the vehicle and cooled by air, and a cooling duct having a first portion that is connected to the battery and extends in a longitudinal direction of the vehicle and a second portion that is branched from the first portion in a width direction of the vehicle and disposed under a seat to discharge the air cooling the battery in multiple directions.

Abstract: Provided is a ceramic lifting and lowering device for a thermotherapeutic apparatus. The ceramic lifting and lowering device for a thermotherapeutic apparatus according to a first embodiment of the present invention comprises: a base frame; a lifting and lowering member that is hinge-coupled to the base frame; a first driving module provided on the base frame so as to transmit power for the lifting and lowering motion of the lifting and lowering member; a ceramic member provided on one side portion of the lifting and lowering member; a pressing member provided on the other side portion of the lifting and lowering member so as to be movable in an outward direction of the lifting and lowering member; and a second driving module provided on the lifting and lowering member so as to be able to move the pressing member.

Abstract: A driving controller for a vehicle includes a detector that obtains driving information of a preceding vehicle and information about the road and a controller that determines a risk level of the preceding vehicle based on the driving information of the preceding vehicle and determines whether to perform avoidance control depending on the risk level. When it is determined that a breakdown or risk occurs in the preceding vehicle, the driving controller provides corresponding logic capable of avoiding the preceding vehicle.

Abstract: A positive electrode active material for an all-solid-state battery, a positive electrode comprising the same, and an all-solid-state battery comprising the positive electrode are provided. The positive electrode active material includes a core portion comprising a lithium metal oxide; and a coating portion comprising a dielectric having a cubic structure on a surface of the core portion.