Abstract: A member for terahertz equipment includes: a substrate main body having a first principal surface and a second principal surface; and a reflection suppressing portion provided on at least one of the first principal surface or the second principal surface of the substrate main body. The reflection suppressing portion includes a plurality of protrusions which are arranged in a grating shape, and each have a tapered portion in a vertical cross section.

Abstract: An analyzer for a rubber composition includes an acquisition unit, a peak identification unit, and an estimation unit. The acquisition unit acquires data acquired by allowing a rubber composition to undergo component separation and mass separation, the data being plotted in a space defined by a time axis, a signal intensity axis, and a mass component axis. The peak identification unit identities peaks in signal intensity for mass chromatograms corresponding to positions on the mass component axis. The estimation unit estimates at least either of a physical property and an odor degree of the rubber composition based on the peaks identified for the mass chromatograms.

Abstract: An analysis apparatus includes: an acceptance unit adapted to accept parameters that affect precipitation of a crystal of an analyte; a prediction unit adapted to predict a type of crystal form to be precipitated, based on the accepted parameters; an evaluation unit adapted to evaluate a relationship between the type of crystal form to be precipitated and the parameters, based on a degree of influence that represents an extent to which each of the parameters affects the precipitation of the crystal of the analyte; and a providing unit that provides the type of crystal form to be precipitated and a precipitation condition to a user as information about a crystal form of a crystal to be precipitated. Thus, the type of crystal form to be precipitated and precipitation conditions of each crystal form can be predicted, with regard to an analyte that exhibits crystal polymorphism.

Abstract: An infrared light radiation device includes a radiation unit and a condenser. The radiation unit includes a heater and a metamaterial structure. The metamaterial structure is able to radiate, when heat energy is input from the heater, infrared light having a peak wavelength of a non-Planck distribution. The condenser includes at least one condensing lens that concentrates and transmits toward outside the infrared light radiated from the radiation unit.

Abstract: A steering device includes two motors each configured to generate a drive force that steers a steerable wheel of a vehicle and two controllers respectively corresponding to the two motors, each of the two controllers being configured to individually control a corresponding one of the motors. One of the two controllers is a first controller, and the other one of the two controllers is a second controller. The first controller is configured to calculate a command value corresponding to a total torque that should be generated in the two motors. The command value is divided into individual command values using a changeable distribution ratio set for each of the motors, the individual command values respectively corresponding to the motors. The two controllers are configured to respectively supply the motors with current corresponding to the individual command values.

Abstract: A steering device includes a steering rod that includes two ball screw parts, the steering rod being configured to steer a steerable wheel by moving linearly, two ball nuts respectively fastened to the two ball screw parts, two motors each configured to generate a drive force, two transmission mechanisms each including a toothed belt, the two transmission mechanisms being configured to transmit the drive force of each one of the two motors to a corresponding one of the ball nuts, two detectors configured to respectively detect rotation angles of the two motors, and a controller configured to control each of the two motors. The controller is configured to detect tooth jumping of the belts using the rotation angles of the two motors that are detected by the two detectors.

Abstract: A refining method according to the present invention is a refining method for crystallizing a compound with at least one crystal form, including setting, as a target wavelength and a target concentration, a specific infrared wavelength and a specific concentration at which a specific crystal form precipitates from a solution of the compound dissolved in a solvent, and using an infrared radiation apparatus capable of emitting infrared radiation including the target wavelength to evaporate the solvent and precipitate the specific crystal form while irradiating a solution of the compound dissolved in the solvent at the target concentration with infrared radiation including the target wavelength.

Abstract: A refining method according to the present invention is a refining method for crystallizing a compound with at least one crystal form, including: setting, as a target wavelength, a specific infrared wavelength at which a specific crystal form precipitates from a solution of the compound dissolved in a solvent; and using an infrared radiation apparatus capable of emitting infrared radiation including the target wavelength to evaporate the solvent and precipitate the specific crystal form while irradiating the solution with infrared radiation including the target wavelength. The specific infrared wavelength is preferably set as the target wavelength based on an infrared absorption spectrum of the crystal form and the dissolution rate of the compound in the solvent.

Abstract: A refining method according to the present invention is a refining method for crystallizing a compound with at least one crystal form, including setting, as a target wavelength and a target temperature, a specific infrared wavelength and a specific temperature at which a specific crystal form precipitates from a solution of the compound dissolved in a solvent, and using an infrared radiation apparatus capable of emitting infrared radiation including the target wavelength to evaporate the solvent and precipitate the specific crystal form while irradiating the solution with infrared radiation including the target wavelength and adjusting a temperature of the solution to the target temperature.

Abstract: A turning apparatus includes tie rods, a wheel turning shaft, two motors, two ball screws, a transmission mechanism, and two controllers. The wheel turning shaft turns steered wheels of a vehicle. A first controller that is any one of the two controllers computes a current command value and allocates the current command value to the motors at a ratio that varies with a position of the wheel turning shaft in an axial direction. The two controllers each supply any one of the motors, which is an object to be controlled by a corresponding one of the controllers, with a current according to a corresponding of individual current command values.

Abstract: A steering system includes a housing, a steering operation shaft that is housed in the housing and configured to move in an axial direction to steer right and left steered wheels, a first drive source that generates a first drive force, a second drive source that generates a second drive force, a first power transfer unit that applies an axial force to the steering operation shaft with the first drive source, a second power transfer unit that applies an axial force to the steering operation shaft with the second drive force, a position detection sensor that is provided in the housing and detects an axial position of the steering operation shaft, and a control device that controls the first drive source and the second drive source using a detection result of the position detection sensor.

Abstract: A turning device includes a turning shaft having a first ball screw groove as one of a left screw and a right screw and a second ball screw groove as the other of the left screw and the right screw and turning wheels to be turned by moving in an axial direction, a first electric motor generating a first driving force, a second electric motor operating independently of the first electric motor and generating a second driving force, a first ball screw nut transmitting the first driving force generated by the first electric motor to the first ball screw groove, a second ball screw nut transmitting the second driving force generated by the second electric motor to the second ball screw groove, and a rotation regulating part regulating relative rotation of the turning shaft around an axis with respect to a housing.

Abstract: A ball screw nut includes a nut part and a pulley part integrally molded with the nut part on the outer peripheral side of the nut part and having external teeth. The pulley part has a cylindrical portion extending in an axial direction and facing the nut part in a radial direction, and an extended portion extending radially inward from the cylindrical portion and facing the nut part in the axial direction. A restriction part for restricting relative rotation of the nut part and the pulley part is provided between a facing surface of the extended portion facing the nut part and a facing surface of the nut part facing the extended portion.

Abstract: A turning apparatus includes tie rods, a wheel turning shaft, two motors, two ball screws, a transmission mechanism, and two controllers. The wheel turning shaft turns steered wheels of a vehicle. A first controller that is any one of the two controllers computes a current command value and allocates the current command value to the motors at a ratio that varies with a position of the wheel turning shaft in an axial direction. The two controllers each supply any one of the motors, which is an object to be controlled by a corresponding one of the controllers, with a current according to a corresponding of individual current command values.

Abstract: A ball screw nut includes a nut part and a pulley part integrally molded with the nut part on the outer peripheral side of the nut part and having external teeth. The pulley part has a cylindrical portion extending in an axial direction and facing the nut part in a radial direction, and an extended portion extending radially inward from the cylindrical portion and facing the nut part in the axial direction. A restriction part for restricting relative rotation of the nut part and the pulley part is provided between a facing surface of the extended portion facing the nut part and a facing surface of the nut part facing the extended portion.

Abstract: A steering device includes a steering rod that includes two ball screw parts, the steering rod being configured to steer a steerable wheel by moving linearly, two ball nuts respectively fastened to the two ball screw parts, two motors each configured to generate a drive force, two transmission mechanisms each including a toothed belt, the two transmission mechanisms being configured to transmit the drive force of each one of the two motors to a corresponding one of the ball nuts, two detectors configured to respectively detect rotation angles of the two motors, and a controller configured to control each of the two motors. The controller is configured to detect tooth jumping of the belts using the rotation angles of the two motors that are detected by the two detectors.

Abstract: A steering device includes two motors each configured to generate a drive force that steers a steerable wheel of a vehicle and two controllers respectively corresponding to the two motors, each of the two controllers being configured to individually control a corresponding one of the motors. One of the two controllers is a first controller, and the other one of the two controllers is a second controller. The first controller is configured to calculate a command value corresponding to a total torque that should be generated in the two motors. The command value is divided into individual command values using a changeable distribution ratio set for each of the motors, the individual command values respectively corresponding to the motors. The two controllers are configured to respectively supply the motors with current corresponding to the individual command values.

Abstract: An infrared radiation device includes a body including a heat generating part and first and second metamaterial structures that are capable of radiating infrared rays having a peak wavelength of a non-Planck distribution upon receipt of thermal energy from the heat generating part. The first metamaterial structure is disposed on a first surface side of the heat generating part, and the second metamaterial structure is disposed on a second surface side opposite to the first surface side of the heat generating part.

Abstract: A steering device includes a rolling-element bearing that rotationally supports a rotating member in a housing. The rolling-element bearing includes an inner ring, an outer ring, first rolling elements, and second rolling elements. The first rolling elements and second rolling elements are disposed in parallel in the axial direction between the inner ring and the outer ring. The inner ring includes a first split race having a first inner peripheral track surface and a second split race having a second inner peripheral track surface. The steering device further includes a fixing structure configured to fix the rolling-element bearing to the outer periphery of the rotating member in a state where a load is applied to the first split race, the first rolling element, the outer ring, the second rolling element, and the second split race.

Abstract: A steering system includes a housing, a steering operation shaft that is housed in the housing and configured to move in an axial direction to steer right and left steered wheels, a first drive source that generates a first drive force, a second drive source that generates a second drive force, a first power transfer unit that applies an axial force to the steering operation shaft with the first drive source, a second power transfer unit that applies an axial force to the steering operation shaft with the second drive force, a position detection sensor that is provided in the housing and detects an axial position of the steering operation shaft, and a control device that controls the first drive source and the second drive source using a detection result of the position detection sensor.