Abstract: According to one embodiment, an information processing device includes a memory and one or more processors coupled to the memory. The one or more processors are configured to: generate, by machine learning using time-series data of a variable for a phenomenon related to an abnormality in a system to be monitored, a prediction model for predicting an indicator used to identify the a timing of system maintenance and a physical model for predicting the variable; and perform either one of a first prediction process using the physical model that is learned using the indicator predicted by the prediction model and a second prediction process of correcting the indicator predicted by the prediction model by using the variable predicted by the physical model.

Abstract: The present disclosure improves impact resistance of an electric outboard machine. The electric outboard machine includes an outboard machine body and an attachment. The attachment attaches the outboard machine body to a rear part of a boat. The outboard machine body includes a propeller, an electric motor that drives the propeller, and a controller that controls the motor. The controller is located between the motor and the attachment. If another boat collides with the boat from behind, the controller arranged between the motor and the attachment is easily protected from the impact upon rear-end collision. This can improve impact resistance of the electric outboard machine.

Abstract: An electric circuit device includes: a first electric component; a first case that accommodates the first electric component and has a cooling channel for cooling the first electric component and a discharge port of the cooling channel; a second case that accommodates a second electric component and has a communication channel that communicates with a discharge port of the cooling channel; a first seal portion that is provided in a peripheral edge part of a discharge port of the cooling channel and seals the first case and the first electric component; a second seal portion that is provided outside the first seal portion with respect to a discharge port of the cooling channel and seals the first case and the first electric component; a through hole that is provided in the first case between the first seal portion and the second seal portion of and penetrates the first case from the first electric component side to the second case side; and a wall that is provided on one of the first case and the second case t

Abstract: To provide a polyether polyol having a high degree of freedom in the design of a polyurethane foam, and capable of providing a polyol system solution excellent in storage stability. A polyether polyol having a polyoxyalkylene chain consisting of oxyalkylene units, and having a degree of unsaturation of at most 0.020 meq/g, a hydroxy value of from 1 to 80 mgKOH/g, a content of oxyethylene units of from 0 to 50 mass %, and a content of ultra-high molecular weight components which have molecular weights of from 12 to 46 times the number average molecular weight of at most 1,000 mass ppm. The number average molecular weight is a molecular weight as calculated as polystyrene measured by gel permeation chromatography (GPC) method, and the content of ultra-high molecular weight components is a value measured by high performance liquid chromatography (HPLC) method using a charged aerosol detector (CAD).

Abstract: A stator sub-assembly with a connector includes a stator sub-assembly including a stator core and a rigid wiring board, and a connector fixed to a connector mounting part of the rigid wiring board in such a way that it is opposed to the stator core in the radial direction of the frame. A groove part that extends in the axial direction from an opening in the axial direction and accommodates the connector and the connector mounting part is formed in an inner peripheral surface of the frame. A window part for an opponent connector to mate with the connector accommodated in the groove part is formed in the frame. The window part opens in an outer surface of the frame and an inner surface of the groove part, and has an unbroken inner peripheral surface.

Abstract: According to an embodiment, an information processing device of an embodiment includes a memory and one or more processors coupled to the memory. The memory stores therein time-series data including at least one of a dependent variable and an independent variable. The one or more processors are configured to: generate a nonlinear function based on at least one of the dependent variable and the independent variable; generate a linear regression equation in which the nonlinear function is a basis function; estimate a coefficient of the linear regression equation; calculate a product of the coefficient and a maximum value of the basis function corresponding to the coefficient, as a degree of influence; correct the coefficient based on the degree of influence; and output the linear regression equation expressed by the corrected coefficient.

Abstract: Disclosed is a motor unit that includes: a rotary electrical machine that has a cylindrical stator, a rotor disposed coaxially with the stator, a shaft disposed coaxially with the rotor, and a cylindrical case that houses the stator and the rotor; and a drive unit that has a swell swelling toward the case and is fixed to a circumferential surface that is located in a radial direction of the rotor and is the case. The case has a recess that corresponds to the swell.

Abstract: According to an embodiment, an information processing device includes a memory and one or more processors coupled to the memory. The memory stores therein time-series data including one or more variables. The one or more processors are configured to: calculate one or more time differential values of the one or more variables; calculate one or more differences representing variation of the one or more variables from an initial value; estimate a coefficient of a linear regression equation by machine learning in which the time differential values and the differences are used as learning data; and output the linear regression equation.

Abstract: An object is to provide an epoxy resin composition which exhibits excellent tracking resistance and additionally has excellent heat resistance with a Tg of 200° C. or higher and flame retardancy. Provided is an epoxy resin composition which contains a phosphorus-containing epoxy resin and a curing agent and has a phosphorus content of within a range of 1.0 to 1.8%, wherein the phosphorus-containing epoxy resin has a ratio (L/H) of 0.6 to 4.0 of the content of trinuclear bodies (L) to the content of hepta or higher nuclear bodies (H) measured by GPC, and is a product obtained from a novolac epoxy resin having an average number of functional groups (Mn/E) of 3.8 to 4.8 and a phosphorus compound represented by the following general formula (1) and/or general formula (2).

Abstract: A driving unit includes a rotary electric machine which has a rotation axis extending in a horizontal direction, a rotary electric machine case, and an electric power conversion device. The electric power conversion device is disposed on one side of the rotary electric machine in an orthogonal direction. A first coolant is stored in a rotary electric machine accommodating portion of the rotary electric machine case. The driving unit has a first connecting portion electrically connecting the rotary electric machine and the electric power conversion device and a second connecting portion electrically connecting a sensor provided to the rotary electric machine and the electric power conversion device. The first connecting portion and the second connecting portion are disposed between the rotary electric machine and the electric power conversion device in the orthogonal direction.

Abstract: A driving unit includes a rotary electric machine which has a rotation axis extending in a horizontal direction, a rotary electric machine case, and an electric power conversion device. The electric power conversion device has an electric power conversion device case and is disposed on one side of the rotary electric machine in an orthogonal direction. The electric power conversion device case is fixed to the rotary electric machine case. At either the electric power conversion device case or the rotary electric machine case, a guide portion protruding in the orthogonal direction and extending in the rotation axis direction is formed above a connecting portion where the rotary electric machine and the electric power conversion device are electrically connected.

Abstract: According to an embodiment, an information processing device includes a memory storing therein library information and one or more processors coupled to the memory. The one or more processors are configured to: correct generation probabilities and a hyperparameter of machine learning on the basis of loss functions of linear regression equations; and extract nonlinear basis functions on the basis of the corrected generation probabilities from sub-libraries including the nonlinear basis functions, generate a plurality of linear regression equations obtained by combining the nonlinear basis functions of the plurality of types of sub-libraries, estimate coefficients of the linear regression equations by machine learning using the corrected hyperparameter, and calculate loss functions of the linear regression equations.

Abstract: In an inverter module (10) including a plurality of switching elements (11), a positive-polarity bus bar (14), a negative-polarity bus bar (15), and a plurality of output bus bars (16, 17, and 18), the plurality of output bus bars (16, 17, and 18) are disposed in a first direction (D1) in which upper-stage-side switching elements (11U) and lower-stage-side switching elements (11L) are placed side by side, and the positive-polarity bus bar (14) and the negative-polarity bus bar (15) are disposed in a second direction (D2) intersecting the first direction (D1).

Abstract: A motor unit includes: a first rotating electric machine which includes a cylindrical first stator, a first rotor disposed coaxially with the first stator, a first shaft disposed coaxially with the first rotor, and a cylindrical first casing accommodating the first stator and the first rotor; a second rotating electric machine which includes a cylindrical second stator, a second rotor disposed coaxially with the second stator, a second shaft disposed coaxially with the second rotor, and a cylindrical second casing accommodating the second stator and the second rotor; a single drive device which is integrally fixed across a peripheral surface in a diameter direction of the first rotor in the first casing and a peripheral surface in a diameter direction of the second rotor in the second casing; and a surface-matching fixing portion which is fixed by a fixing member while an axial end surface of the first casing comes into contact with an axial end surface of the second casing.

Abstract: According to one embodiment an electronic apparatus includes a housing, a heat generating element, a plurality of sensors, and an index calculator. The heat generating element is housed in the housing. The index calculator calculates an index corresponding to a physical quantity or an index indicating performance of the electronic apparatus, based on a correlation between detected values of the sensors and the index.

Abstract: A vehicle drive device includes a rotary electric machine, an inverter, and a case. The case includes a main body portion and a cover portion. The main body portion houses the rotary electric machine and at least a part of the inverter. The cover portion is joined to the main body portion so as to cover an opening portion of the main body portion. The inverter includes a cooler, a first unit that is fixed to the cooler so as to be along a first reference plane, and a second unit that is fixed to the cooler so as to be along a second reference plane. The cooler is fixed to the main body portion.

Abstract: A slip sensor includes a first insulating layer of which one side is a side of receiving a force and of which another side includes multiple first resistive portions, the first resistive portions, of which a longitudinal direction of each is directed to a first direction, being juxtaposed. The slip sensor includes a second insulating layer of which one side includes multiple second resistive portions, the second resistive portions, of which a longitudinal direction of each is directed to the first direction, being juxtaposed. The slip sensor includes a member disposed between the another side of the first insulating layer and the one side of the second insulating layer, the member being configured to elastically deform in accordance with the force. Each first resistive portion is disposed facing a given second resistive portion, the member being provided between a given first resistive portion and the given second resistive portion.

Abstract: An object is to provide an epoxy resin composition which exhibits excellent tracking resistance and additionally has excellent heat resistance with a Tg of 200° C. or higher and flame retardancy. Provided is an epoxy resin composition which contains a phosphorus-containing epoxy resin and a curing agent and has a phosphorus content of within a range of 1.0 to 1.8%, wherein the phosphorus-containing epoxy resin has a ratio (L/H) of 0.6 to 4.0 of the content of trinuclear bodies (L) to the content of hepta or higher nuclear bodies (H) measured by GPC, and is a product obtained from a novolac epoxy resin having an average number of functional groups (Mn/E) of 3.8 to 4.8 and a phosphorus compound represented by the following general formula (1) and/or general formula (2).

Abstract: A pillar-shaped honeycomb structure for supporting catalyst, including partition walls partitioning a plurality of cells extending from a first end face provided with a fluid inlet to a second end face provided with a fluid outlet, wherein the partition walls include a first region with a high initial water absorption speed and a second region with a lower initial water absorption speed than the first region, and the initial water absorption speed of the second region is 15% or more lower than the initial water absorption speed of the first region.

Abstract: According to one embodiment, a photon counting-type radiation detector includes a first cell and a second cell. The first cell transmits radiation. The second cell is stacked with the first cell. The second cell absorbs the radiation passing through the first cell.