Abstract: A multilayer ceramic capacitor may include a capacitor body including a dielectric layer and an internal electrode layer, and an external electrode disposed outside the capacitor body, where the dielectric layer may include at least one dielectric grain, where the dielectric grain may include a barium titanate-based primary component including barium (Ba) and titanium (Ti), and a secondary component, where the secondary component may include samarium (Sm) as a first secondary component, and a second secondary component, where the second secondary component may include lanthanum (La), cerium (Ce), praseodymium (Pr), neodymium (Nd), promethium (Pm), europium (Eu), gadolinium (Gd), terbium (Tb), dysprosium (Dy), holmium (Ho), erbium (Er), thulium (Tm), ytterbium (Yb), lutetium (Lu), or a combination thereof, and where the second secondary component may be included in an amount ranging from 1.2 atom % to 2.0 atom % based on 100 atom % of titanium (Ti).

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: A semiconductor device includes a first substrate; a memory cell array, a second substrate, and a back-side power distribution network. The memory cell array includes memory cells that are vertically stacked over the first substrate. The second substrate including a front side facing the memory cell array and a back side at a higher level than the front side. The second substrate further includes a plurality of control circuits for controlling the memory cells. The back-side power distribution network includes a power interconnection that penetrates the second substrate and supplies power to the control circuits from the back side of the second substrate. The memory cell array is electrically connected to the plurality of control circuits of the second substrate by a bonding structure.

Abstract: The present technology relates to a grid-forming power conversion control technology and, more specifically, to a grid-forming power conversion control device and a grid-forming power conversion control method. According to an embodiment, the output frequency of a grid-forming power conversion device can be controlled without a complicated current controller, which enables a simple structure and a high control speed.

Abstract: A multilayer ceramic capacitor may include a capacitor body including a dielectric layer and an internal electrode layer, and an external electrode disposed outside the capacitor body, where the dielectric layer may include a plurality of dielectric grains and a grain boundary located between the dielectric grains adjacent to each other, where the dielectric grain may include a barium titanate-based main component including barium (Ba) and titanium (Ti), where the grain boundary includes silicon (Si), dysprosium (Dy), and terbium (Tb), and where silicon (Si), dysprosium (Dy), and terbium (Tb) are included in the grain boundary in content order of terbium (Tb)<dysprosium (Dy)<silicon (Si).

Abstract: The present disclosure relates to curtailment control technology for photovoltaic power generation, and more particularly, to a gridforming type curtailment control system and method in link with a photovoltaic inverter. According to the present disclosure, inertia control that cannot be performed in existing photovoltaic inverters may be performed more continuously in link with a gridforming inverter, thereby having an effect of efficiently managing and utilizing existing photovoltaic inverter facilities.

Abstract: A display device is provided. The display device comprises a first voltage line, a data line, a first capacitor electrode, a buffer layer disposed on the first voltage line, a second capacitor electrode disposed on the first capacitor electrode to overlap the first capacitor electrode in a plan view, a first transistor disposed on the buffer layer and connected to the data line, an interlayer insulating layer disposed on the second capacitor electrode, and a first connection pattern disposed on the interlayer insulating layer and connected to the second capacitor electrode and the first transistor, wherein the first connection pattern is connected to the second capacitor electrode through a contact hole formed through the interlayer insulating layer and connected to the first transistor through a contact hole formed through the interlayer insulating layer, and the first capacitor electrode overlaps the first connection pattern.

Abstract: A driving device includes a wheel part with a wheel frame, and a wheel driving unit disposed at a center of the wheel frame to be able to rotate the wheel frame, an eccentric part connecting a vehicle body to the wheel part, and a suspension coupled to the wheel part and to the eccentric part. The suspension is configured to provide an elastic force to damp an impact between the vehicle body and the wheel body. The eccentric part includes an eccentric center having a rotation center being eccentric from a rotation axis of the wheel part, and an eccentric link extending from the eccentric center. The eccentric link is rotatable about the rotation axis of the wheel frame.

Abstract: A powertrain for a motorized vehicle includes a motor shaft connected to a motor, a first input shaft configured to be selectively connected to the motor shaft and provided with a first driving gear mounted on the first input shaft, a second input shaft configured to be selectively connected to the motor shaft and provided with a second driving gear mounted on the second input shaft, a planetary gear set connected to the first input shaft and mounted so as to allow power from the motor shaft to be supplied via a plurality of paths, a first driven gear mounted to a differential and configured to mesh with the first driving gear, and a second driven gear mounted to the differential and configured to mesh with the second driving gear.

Abstract: Provided is a microplastic recovery material according to an embodiment of the inventive concept including a porous structure including a first hierarchical pocket provided in an outer surface thereof, and a nano-protrusion provided on the outer surface. The first hierarchical pocket includes a first pocket and a second pocket that are connected to each other. The first pocket has a diameter of about 1 mm to about 5 mm. The second pocket has a diameter of about 1 ?m to about 100 ?m.

Abstract: Provided is a composition for prevention or treatment of an allergic disease, the composition including an inotodiol compound and a chaga mushroom (Inonotus obliquus) extract including an inotodiol compound as an active ingredient. More particularly, it was found that when an inotodiol compound or a chaga mushroom extract containing an inotodiol compound as one of the active ingredients is administered to a mouse model in which a food allergy was induced, symptoms induced by the allergy were alleviated and cured. Thus, the inotodiol compound or the chaga mushroom extract containing an inotodiol compound as an active ingredient is expected to be useful as a composition for prevention or treatment of an allergic disease.

Abstract: A powertrain apparatus for an electric vehicle may include a motor connected to an input shaft, a planetary gear train, which is disposed to be coaxial with the motor and which includes a first rotation element, a second rotation element and a third rotation element, at least one of which is configured to receive power from the input shaft, a differential gear disposed to be coaxial with the motor and the planetary gear train, a first gear set connected to one rotation element of the planetary gear train, and a second gear set configured to receive power from the first gear set and transmit the power to the differential gear.

Abstract: An embodiment mobility for delivering articles includes a frame defining a body of the mobility, a chain member coupled to a first side of the frame, wherein the chain member has a closed curve shape along an up-down direction, is movable relative to the frame, and includes a standby section provided at a fixed position with respect to the frame irrespective of a movement of the chain member, wherein the standby section includes a plurality of bent areas, a tray member having a first side coupled to the chain member, the tray member being movable in connection with a movement of the chain member, a wheel coupled to a lower portion of the frame, and a driver configured to provide a driving force to the chain member.

Abstract: An embodiment mobility for delivering articles includes a frame defining a body of the mobility, a chain member coupled to a first side of the frame, wherein the chain member has a closed curve shape along an up-down direction, is movable relative to the frame, and includes a standby section provided at a fixed position with respect to the frame irrespective of a movement of the chain member, wherein the standby section includes a plurality of bent areas, a tray member having a first side coupled to the chain member, the tray member being movable in connection with a movement of the chain member, a wheel coupled to a lower portion of the frame, and a driver configured to provide a driving force to the chain member.

Abstract: A power transmission apparatus of a hybrid electric vehicle includes an input shaft configured of receiving an engine torque, a motor shaft configured of receiving a torque of a motor/generator, first and second planetary gear sets respectively having first to third rotation elements and fourth to sixth rotation elements, a first shaft connected to the first rotation element and selectively connectable to each of the input shaft and the motor shaft, a second shaft fixedly connecting the second and fifth rotation elements, and selectively connectable to the input shaft, the motor shaft, and a transmission housing, respectively, a third shaft fixedly connecting the third and fourth rotation elements and selectively connectable to the transmission housing, a fourth shaft fixedly connecting the sixth rotation element and an output gear, and a plurality of engagement elements including at least one clutch and at least one brake.

Abstract: The present invention relates to a method capable of easily manufacturing a curved thin glass sheet and a curved joined glass sheet to which functionality is added.