Abstract: Disclosed is a method for producing an electrolytic capacitor, the method including the steps of preparing an anode foil that includes a dielectric layer, a cathode foil, and a fiber structure; preparing a conductive polymer dispersion liquid that contains a conductive polymer component and a dispersion medium; producing a separator by applying the conductive polymer dispersion liquid to the fiber structure and then removing at least a portion of the dispersion medium; and producing a capacitor element by sequentially stacking the anode foil, the separator, and the cathode foil. The dispersion medium contains water. The fiber structure contains a synthetic fiber in an amount of 50 mass % or more. The fiber structure has a density of 0.2 g/cm3 or more and less than 0.45 g/cm3.

Abstract: To provide a controller for motor which can reduce a torque ripple up to high frequency, without amplifying unnecessary noise and vibration. A controller for motor estimates an interlinkage flux based on the applied voltage and the detection value of current; estimates an output torque based on the detection value of current and the estimation value of interlinkage flux; extracts a pulsation component from the estimation value of output torque; calculates a voltage command correction value based on the extraction value of pulsation component; calculates a voltage command after superimposing by superimposing the voltage command correction value on the voltage command basic value; and applies voltage to winding based on the voltage command after superimposing.

Abstract: An electrolytic capacitor includes a capacitor element that includes an anode part and a cathode part, an exterior body that seals the capacitor element, a first external electrode that is electrically connected to the anode part, and a second external electrode that is electrically connected to the cathode part. At least one of an end face of the anode part or an end face of the cathode part is exposed from the exterior body to be electrically connected to a corresponding one of the first external electrode or the second external electrode. The end face exposed from the exterior body is covered with an electroless Ni plating layer, and the electroless Ni plating layer is covered with an electroless Ag plating layer. The electroless Ag plating layer is covered with the corresponding one of the first external electrode or the second external electrode.

Abstract: A method for manufacturing a material layer includes a first step S101 of arranging first particles P1 in a pattern on a base material 11 and a second step S102 of arranging second particles in regions in which the first particles P1 are not arranged on the base material 11. The second step S102 includes a step of rubbing bearing materials S2 that carry the second particles P2 against the base material 11 on which the first particles P1 are arranged.

Abstract: A rotary machine control device includes: a first inverter that applies an alternating-current voltage to three-phase windings of a first system included in a rotary machine, according to a first direct-current voltage; a second inverter that applies an alternating-current voltage to three-phase windings of a second system included in the rotary machine; a first controller that generates a command value of a d-axis electric current of the first system, according to a direct-current voltage minimum value and a command value of the rotary machine, the direct-current voltage minimum value being a lower one of the first direct-current voltage and the second direct-current voltage, that generates a command value of a q-axis electric current of the first system, according to the direct-current voltage minimum value and the command value of the d-axis electric current of the first system, and that controls the first inverter, according to the command value of the d-axis electric current of the first system and the c

Abstract: To provide a controller for rotary electric machine and an electric power steering apparatus which can set a control gain which is used for controlling the d-axis current command value based on the q-axis current deviation between the current command value of q-axis and the current detection value of q-axis, considering the response of the current of q-axis. A controller for rotary electric machine changes the current command value of d-axis, based on a value obtained by multiplying a proportional gain to a q-axis current deviation which is a deviation between the current command value of q-axis and the current detection value of q-axis; and changes the proportional gain in inverse proportion to the rotational angle speed.

Abstract: A modulation control unit calculates a voltage offset on the basis of fundamental or basic voltage references, and calculates modification voltage references by performing superposition of the voltage offset on the basic voltage references; and an inverter converts, on the basis of the modification voltage references calculated by the modulation control unit, a DC voltage into three-phase voltages whose voltages are applied to three-phase windings of an alternating current rotating machine, wherein, in a case in which the basic voltage references are transformed into three-phase voltage references, and when the three-phase voltage references are defined as a maximum phase, an intermediate phase and a minimum phase in decreasing order of value, the modulation control unit calculates a first voltage offset on the basis of the DC voltage, on that of the maximum phase, and on that of sum of squares of the basic voltage references.

Abstract: To provide a controller for rotary electric machine and an electric power steering apparatus which can increases decreases an increase amount of the current of d-axis in the negative direction appropriately, and can perform the weakening magnetic flux appropriately, irrespective of increase and decrease in the rotational angle speed, without using the information on the inductance and the interlinkage flux of the rotor. A controller for rotary electric machine, in a case where the current command value of q-axis is a positive value, changes the current command value of d-axis, based on a deviation between an offset q-axis current command value obtained by subtracting the q-axis offset value of the positive value from the current command value of q-axis, and the current detection value of q-axis.

Abstract: Even using the redundant system resolver in which the magnetic interference between systems occurs, to provide an angle detection apparatus which can reduces the influence of the magnetic interference and can calculate the rotational angle with good accuracy, without performing synchronous control between systems in real time. An angle detection apparatus is provided with a resolver which has the first system windings and the second system windings in which magnetic interference occurs between systems; a first system removal processing unit that performs a second cycle component removal processing which removes component of the second cycle of the second system, to detection values of the first system winding output signals; and a first system angle calculation unit that calculates a first angle of rotor, based on the detection values of the first system winding output signals after the second cycle component removal processing.

Abstract: Active material particles for use in an active material layer include a particle portion containing an active material, and a protective layer covering the surface of the particle portion.

Abstract: If a current detection resistance (8) is connected between a lower-arm switching element (SN) and a negative-electrode-side input terminal of an inverter (6), a conduction resistance (Rp) between an output terminal and a positive-electrode-side input terminal of the inverter (6) is set to be higher than a conduction resistance (Rn) obtained by excluding the current detection resistance from a conduction resistance between the output terminal and the negative-electrode-side input terminal of the inverter (6). If the current detection resistance (8) is connected between an upper-arm switching element (SP) and the positive-electrode-side input terminal, the conduction resistance (Rn) between the output terminal and the negative-electrode-side input terminal of the inverter (6) is set to be higher than a conduction resistance (Rp) obtained by excluding the current detection resistance from the conduction resistance between the output terminal and the positive-electrode-side input terminal of the inverter (6).

Abstract: A solid-state secondary battery includes an active material layer having a plurality of active material particles in a layer thickness direction, an electrolyte layer that performs transfer of active material ions with the active material particles, and a current collector layer that performs transfer of electrons with the active material particles. The active material layer has, in the layer thickness direction, a first region where a specific surface area of the active material particles is lower than that in another region in the layer thickness direction.

Abstract: An active material particle or anode containing a lithium cobalt oxide and having a diffraction angle peak at an X-ray diffraction angle of 19.2 degrees or more and 19.7 degrees or less by a 2? method.

Abstract: To accurately replace the position coordinate in a virtual space composed of three-dimensional data with latitude, longitude, and altitude information in a real space. The device for measurement processing images a real space by the camera unit; superimposes virtual space indicating the imaged real space by three-dimensional data on the imaged real space and displays the superimposed spaces; acquires a measurement point from a position-measuring device measuring a latitude, a longitude, and an altitude; images the position-measuring device, associates the position coordinate in the virtual space of the imaged position-measuring device with the position coordinate of the acquired measurement point in the real space; and transforms the coordinate of the three-dimensional data to the position coordinate in the real space by a predetermined transformation equation.

Abstract: To provide an AC rotary machine apparatus which can determine the operation stop of the control circuit of the other system with good accuracy. An AC rotary machine apparatus, including: a resolver is provided with a first system excitation winding, first system two output windings, a second system excitation winding, and second system two output windings, in which a magnetic interference occurs between a first system and a second system; a first system control circuit that applies AC voltage with a first period to the first system excitation winding; and a second system control circuit that applies AC voltage with a second period to the second system excitation winding, wherein the first system control circuit determines whether the operation of the second system control circuit stops, based on the components of the second period extracted from the first system output signals.

Abstract: To provide a controller for AC rotary electric machine which can suppress the increase in the unwanted sound while reducing noise. A controller for AC rotary electric machine switches n pieces of zero phase candidate voltage values in order for every switching period and calculate as a zero phase voltage value; by defining a deviation between the zero phase voltage value and a time lag zero phase voltage value delaying by a j times value of the switching period, as a zero phase time lag deviation value; j is a natural number which minimizes a difference between a half period of a mechanical resonance period, and the j times value of switching period; an effective value of the zero phase time lag deviation value becomes small, compared with an effective value of AC component of the zero phase voltage value.

Abstract: To provide a motor controller which can suppress occurrence of a torque difference between systems, even if a DC voltage difference occurs between systems, in the case where each system is provided with a DC power source. A motor controller is provided with a first controller that controls so that the first q-axis current detection value approaches the second q-axis current detection value or the second q-axis current command value obtained from the second controller, when determining that the first DC voltage is higher than the second DC voltage; and a second controller that controls so that the second q-axis current detection value approaches the first q-axis current detection value or the first q-axis current command value obtained from the first controller, when determining that the second DC voltage is higher than the first DC voltage.

Abstract: To provide a controller for a rotary electric machine and an electric power steering apparatus which can suppress the error increase of the rotational angle due to the high frequency noise component included in the current detection value, while reducing the AC component error included in the sensor detection value of rotational angle, at high rotational speed. A controller for a rotary electric machine estimates an estimation actual angle deviation; calculates a detection angle deviation; calculates a control angle deviation by dividing internally between the estimation actual angle deviation and the detection angle deviation; calculates a rotational angle for control by performing feedback control so that the control angle deviation approaches 0; and makes the ratio of the estimation actual angle deviation higher than the ratio of the detection angle deviation, when the rotational speed is higher than a speed threshold value.

Abstract: To provide an angle detection apparatus which can reduce the error of the angle which is caused by the eccentricity, by performing the reduction processing about smallest possible number of frequency bands and the lowest possible order of frequency band. An angle detection apparatus performs a first-order component reduction processing which reduces a first-order component which is a component of one rotation period in a mechanical angle of the rotor, to each of the first system two output signals; and calculates a first angle (?1) of the rotor, based on the first system two output signals to which the first-order component reduction processing was performed.

Abstract: In an electric motor control device which controls rotation of an AC electric motor having two sets of three-phase windings and provided with a resolver having two systems by calculating voltage command values on dq axes, dq conversion of currents of first three-phase windings is performed using a first angle calculated from output of the first system of the resolver, and dq conversion of currents of second three-phase windings is performed using a second angle calculated from output of the second system of the resolver. With both d-axis current command values set at the same value, respective voltage command values on dq axes are calculated and respectively converted into voltage command values for voltage application to the first three-phase windings, using the first angle, and converted into voltage command values for voltage application to the second three-phase windings, using the second angle.