Abstract: A storage battery management device is configured to manage storage battery systems each including a plurality of battery boards and a power adjustment devices corresponding to the battery boards. The storage battery management device is configured to compensate charging power and discharging power of a battery board used in a diagnosis for the battery board, inside the storage battery systems by transmitting and receiving the charging power or the discharging power between power adjustment devices of the storage battery systems, when performing the diagnosis while causing the storage battery systems to remain operated. Therefore, it is possible to diagnose a control device of a battery board without affecting an electric grid.

Abstract: A storage battery management device manages a plurality of battery units in a storage battery system including the battery units having a plurality of battery cells and a power adjustment device connected to the battery units via respective contactors and connected to a main circuit. The storage battery management device includes a minimum value determination unit and a controller. The minimum value determination unit, from the battery units in which a difference between a maximum cell voltage and a minimum cell voltage of the battery cells forming each of the battery units is equal to or less than a certain value, determines a minimum value of the minimum cell voltage. The controller controls a cell balance process of the battery unit managed by itself, by using the minimum value of the minimum cell voltage determined by the minimum value determination unit as a cell balance target voltage.

Abstract: A terminal connection structure includes a first terminal, a second terminal, and a terminal guide. The first terminal includes a held portion. The second terminal includes a plate-shaped base portion, a pair of holding portions projecting from one end of the base portion to hold the held portion from both sides, and a plate-shaped bridge portion projecting from the other end of the base portion in a direction crossing relative to the base portion. The terminal guide includes a guide hole having one end at which the first terminal is disposed, and the other end from which the second terminal is inserted.

Abstract: [Problem] An object of the present invention is to provide the motor which is possible to obtain the skew effect within the rotor gap surface by arranging the respective magnetic pole pitches at imbalance positions without causing the increasing of the magnet machining cost and the rotor assembly time, and the electric power steering apparatus equipped with the motor and a vehicle. [Means for Solving the Problem] The present invention is a motor that has a skew effect within a rotor gap surface of a mechanical angle one-cycle, wherein a rotor magnetic pole comprises plural magnetic salient pole portions by means of magnetic material, an N-pole and an S-pole magnets are alternately arranged on a rotor surface between the magnetic salient pole portions, and magnetic pole pitches of an electrical angle one-cycle, which comprise the magnetic salient pole portions and the N-pole and the S-pole magnets, are unevenly arranged.

Abstract: A motor control unit is provided that controls a motor with multi-system windings via motor driving circuits on winding systems based on a current command value including current detecting circuits to detect at least two-phase or more currents for each of the multi-system windings of the three-phase motor, three-phase/two-phase converting sections to convert the detected phase currents to two-phase currents for the multi-system windings, and a failure diagnosing section to perform a current-calculation of the two-phase currents converted to two-phase for the multi-system windings, and to perform a diagnosis failure by comparing a difference of current-calculated results between the multi-system windings and an accumulating value of the difference with respective thresholds.

Abstract: A motor includes an annular stator core including teeth arranged side by side in a circumferential direction on an inner circumferential surface of a back yoke. The motor includes 3n (n is an integer) first coil groups arranged in the circumferential direction at regular intervals, each of the first coil groups being constituted of first coils that are respectively wound, in a concentrated manner, around the teeth arranged adjacent to one another, and that are excited by a first inverter, and also includes 3n second coil groups arranged in the circumferential direction at regular intervals, each of the second coil groups being constituted of second coils that are respectively wound, in a concentrated manner, around the teeth arranged adjacent to one another in positions different from positions of the teeth around which the first coils are wound in a concentrated manner, and that are excited by a second inverter.

Abstract: A motor control device includes a motor, a control device, and a motor drive circuit. The motor includes a motor rotor, a motor stator, and a plurality of coil groups divided into a first coil group and a second coil group of at least two systems for each of three phases, and configured to excite a stator core by three-phase alternating currents. In the motor drive circuit, a first motor drive circuit supplies a three-phase AC first motor drive current to the first coil group based on a command value, and a second motor drive circuit supplies a three-phase AC second motor drive current having a phase difference from a phase of the first motor drive current, to the second coil group.

Abstract: [Problem] An object of the present invention is to provide a motor having a configuration that includes plural openings which are disposed in a circumferential direction on a case bottom surface and are pulled-out bus bar terminals, and is directly connected between a control board and bus bars by using a simple procedure, and to an electric power steering apparatus and a vehicle equipped with the motor. [Means for Solving the Problem] The present invention is a motor that an outer periphery is enclosed in a case and wirings are implemented at an anti-load side, comprising: a configuration that includes plural openings which are provided in a circumferential direction on a case bottom surface at the anti-load side and allow bus bar terminals to protrude therefrom, and openings which have an almost same shape of the plural openings and are disposed at a predetermined interval in a similar shape are added as needed.

Abstract: A motor control apparatus includes a motor current shutoff unit inserted between a multi-phase inverter circuit and a multi-phase electric motor to shut off a current for each of plural phases, the inverter circuit including an arm for each of the plural phases, a redundant arm unit including one or more arms, a connection selecting unit selecting which one of windings of the electric motor is to be connected to each of the one or more arms of the redundant arm unit, an abnormal arm detection unit detecting an abnormality in each of the plural phases of the inverter circuit, and an abnormality control unit shutting off connection between an abnormal arm and the motor when the abnormal arm detection unit detects the abnormal arm, and connecting the one or more arms of the redundant arm unit to a winding of the motor shut off.

Abstract: A motor includes an annular stator core including teeth arranged side by side in a circumferential direction on an inner circumferential surface of a back yoke. The motor includes 3n (n is an integer) first coil groups arranged in the circumferential direction at regular intervals, each of the first coil groups being constituted of first coils that are respectively wound, in a concentrated manner, around the teeth arranged adjacent to one another, and that are excited by a first inverter, and also includes 3n second coil groups arranged in the circumferential direction at regular intervals, each of the second coil groups being constituted of second coils that are respectively wound, in a concentrated manner, around the teeth arranged adjacent to one another in positions different from positions of the teeth around which the first coils are wound in a concentrated manner, and that are excited by a second inverter.

Abstract: A motor control device includes a motor, a control device, and a motor drive circuit. The motor includes a motor rotor, a motor stator, and a plurality of coil groups divided into a first coil group and a second coil group of at least two systems for each of three phases, and configured to excite a stator core by three-phase alternating currents. In the motor drive circuit, a first motor drive circuit supplies a three-phase AC first motor drive current to the first coil group based on a command value, and a second motor drive circuit supplies a three-phase AC second motor drive current having a phase difference from a phase of the first motor drive current, to the second coil group.

Abstract: A motor includes a motor rotor and a motor stator. An outer circumference of a rotor yoke includes a convex portion projecting outward in a radial direction of the rotor yoke and a concave portion between the convex portions adjacent to each other in a circumferential direction. A magnet is arranged on an adhering surface that is a surface of the concave portion, and the convex portion includes at least one of magnetic gaps that penetrates through the rotor yoke in the axial direction and that has magnetic permeability lower than that of the rotor yoke.

Abstract: A storage battery management device manages a plurality of battery units in a storage battery system including the battery units having a plurality of battery cells and a power adjustment device connected to the battery units via respective contactors and connected to a main circuit. The storage battery management device includes a minimum value determination unit and a controller. The minimum value determination unit, from the battery units in which a difference between a maximum cell voltage and a minimum cell voltage of the battery cells forming each of the battery units is equal to or less than a certain value, determines a minimum value of the minimum cell voltage. The controller controls a cell balance process of the battery unit managed by itself, by using the minimum value of the minimum cell voltage determined by the minimum value determination unit as a cell balance target voltage.

Abstract: A motor control apparatus includes a motor current shutoff unit inserted between a multi-phase inverter circuit and a multi-phase electric motor to shut off a current for each of plural phases, the inverter circuit including an arm for each of the plural phases, a redundant arm unit including one or more arms, a connection selecting unit selecting which one of windings of the electric motor is to be connected to each of the one or more arms of the redundant arm unit, an abnormal arm detection unit detecting an abnormality in each of the plural phases of the inverter circuit, and an abnormality control unit shutting off connection between an abnormal arm and the motor when the abnormal arm detection unit detects the abnormal arm, and connecting the one or more arms of the redundant arm unit to a winding of the motor shut off.

Abstract: There is provided a nickel alloy having an excellent creep strength as well as high-temperature oxidation resistance. The nickel alloy of the present invention comprises, by mass percent, Cr in a range of 11.5 to 11.9%, Co in a range of 25 to 29%, Mo in a range of 3.4 to 3.7%, W in a range of 1.9 to 2.1%, Ti in a range of 3.9 to 4.4%, Al in a range of 2.9 to 3.2%, C in a range of 0.02 to 0.03%, B in a range of 0.01 to 0.03%, Zr in a range of 0.04 to 0.06%, Ta in a range of 2.1 to 2.2%, Hf in a range of 0.3 to 0.4%, and Nb in a range of 0.5 to 0.8%, the balance being Ni and unavoidable impurities, and contains carbides and borides precipitating in crystal grains and at grain boundaries.

Abstract: An image pickup device with a plurality of pixels, each of the pixels includes: a photoelectric conversion section formed in a semiconductor substrate; and a metallic member formed between the semiconductor substrate and a wiring layer provided in a layer on the semiconductor substrate, a part of the metallic member being configured to serve as a light-shielding member that blocks a part of light to be incident on the photoelectric conversion section.

Abstract: An image decoding apparatus according to an embodiment includes a decoding section configured to encode an encoded stream and output decoded picture; and a control section configured to control decoding of the decoding section, and perform memory management of a memory section that has memory areas for data of four frames that stores the reference images of two frames, the decoded picture from the decoding section, and the decoded picture used for display, wherein the control section causes the decoding section to decode a number of pictures that is in accordance with a speed multiplying number in one frame period at a time of multiple speed reproduction, and exchanges data stored among the memory areas for data of four frames so that the decoded picture used for the display at a time of multiple speed reproduction is held in the memory area.

Abstract: An electric power steering device includes a steering column in which a steering shaft for transmitting a steering torque is built, an electric motor for transmitting a steering assist force through a gear mechanism in a gearbox to the steering shaft, and a control device for driving and controlling the electric motor. The control device includes a drive circuit module having a switching element for driving the electric motor, and a control module that is mounted on the gearbox for controlling the drive circuit module. The drive circuit module is mounted on a housing of the electric motor.

Abstract: There is provided a nickel alloy having an excellent creep strength as well as high-temperature oxidation resistance. The nickel alloy of the present invention comprises, by mass percent, Cr in a range of 11.5 to 11.9%, Co in a range of 25 to 29%, Mo in a range of 3.4 to 3.7%, W in a range of 1.9 to 2.1%, Ti in a range of 3.9 to 4.4%, Al in a range of 2.9 to 3.2%, C in a range of 0.02 to 0.03%, B in a range of 0.01 to 0.03%, Zr in a range of 0.04 to 0.06%, Ta in a range of 2.1 to 2.2%, Hf in a range of 0.3 to 0.4%, and Nb in a range of 0.5 to 0.8%, the balance being Ni and unavoidable impurities, and contains carbides and borides precipitating in crystal grains and at grain boundaries.

Abstract: There is provided an electric power steering device for solving unsolved problems with ensuring advantages of a control device of motor housing mounting type and gearbox mounting type. An electric power steering device includes: a steering column in which a steering shaft for transmitting a steering torque is built; an electric motor for transmitting a steering assist force through a gear mechanism in a gearbox to the steering shaft; and a control device for driving and controlling the electric motor. The control device including at least: a drive circuit module including a switching element for driving the electric motor, and mounted on a housing of the electric motor; and a control module, mounted on the gearbox, for controlling the drive circuit module.