Abstract: A method of manufacturing a vertical-cavity surface-emitting laser element includes: providing a nitride semiconductor layer including an n-side semiconductor layer, an active layer, and a p-side semiconductor layer in this order; covering at least a first portion of a surface of the p-side semiconductor layer with a mask member while a second portion of the surface of the p-side semiconductor layer is not covered with the mask member; forming an oxide film on the second portion of the surface of the p-side semiconductor layer and the mask member; heat-treating the nitride semiconductor layer and the oxide film; removing the oxide film and the mask member after the heat-treating of the nitride semiconductor layer and the oxide film; and forming an electrode extending over the first portion and the second portion of the surface of the p-side semiconductor layer.

Abstract: A vehicle power supply system includes a power source control device that executes a process of switching a connection state of a driving circuit to the main power source and an auxiliary power source including; a process of switching the connection state so as to transition to a backup state as a voltage decrease of the main power source occurs, and a process of switching the connection state so as to transition to a normal state as the voltage decrease of the main power source is resolved. After a voltage decrease of the main power source occurs, a turning-side control device of a steering control unit sets an output-limited state for a turning-side motor. The output-limited state is canceled upon the power source control device completing switching of the connection state so as to transition.

Abstract: A steering control device configured to control a steering device, the steering device including a steering shaft to which a handle is detachably coupled and a motor configured to generate torque that is given to the steering shaft. The steering control device includes a processing circuit configured to execute a process for controlling driving of the motor. The process for controlling the driving of the motor includes a lock process of driving the motor such that a rotation position of the steering shaft is fixed at a specific position, in a state where the handle has been detached from the steering shaft.

Abstract: A power supply system includes a system control unit, an auxiliary power supply, and an auxiliary-power-supply control unit. The system control unit and the auxiliary-power-supply control unit are configured such that information of at least one control unit of the system control unit and the auxiliary-power-supply control unit is able to be output to another control unit of the system control unit and the auxiliary-power-supply control unit. The at least one control unit is configured to output information indicating that an operation of the at least one control unit is stopped to the other control unit when the at least one control unit stops the operation of the at least one control unit.

Abstract: A non-transitory computer readable information recording medium stores an evaluation program for operating first and second motor control units, for evaluating operation characteristics related to a control device including a first motor control unit configured to control a first motor driving a first axis, and a second motor control unit configured to control a second motor driving a second axis. The evaluation program operates the first and second motor control units so that a shape of a movement path of a control target moved by the first and second axes includes at least a cornered shape in which both rotation directions of the first and second motors do not invert, and an arc shape in which one of the first and second motors rotates in one direction, and a rotation direction of the other of the first and second motors inverts.

Abstract: A servo control system including a servo motor, a driven member driven, a coupling mechanism coupled with the servo motor and the driven member, and a motor control part controlling the servo motor. The motor control part includes a position command generating part generating a position command value of the driven member, a force estimating part estimating the drive force acting on the driven member, a compensating part compensating the position command value based on the drive force estimated by the force estimating part, and a control signal output part outputting a control signal to the servo motor based on a position command value compensated by the compensating part.

Abstract: A non-transitory computer readable information recording medium stores an evaluation program for operating first and second motor control units, for evaluating operation characteristics related to a control device including a first motor control unit configured to control a first motor driving a first axis, and a second motor control unit configured to control a second motor driving a second axis. The evaluation program operates the first and second motor control units so that a shape of a movement path of a control target moved by the first and second axes includes at least a cornered shape in which both rotation directions of the first and second motors do not invert, and an arc shape in which one of the first and second motors rotates in one direction, and a rotation direction of the other of the first and second motors inverts.

Abstract: A servomotor controller includes a first and a second converter circuit that perform conversion between AC power of a power supply and DC power, a first inverter circuit that performs conversion between the DC power on the DC side of the first converter circuit and AC power on the side of a first motor, a second inverter circuit that performs conversion between the DC power on the DC side of the second converter circuit and AC power on the side of a second motor, and a power calculation unit that calculates an amount of power of the first motor, wherein control is performed so that the regenerative power of the first motor is supplied to the second motor through the power supply or the regenerative power of the second motor is supplied to the first motor through the power supply, on the basis of the amount of power.

Abstract: A motor control apparatus controlling a motor driving a machine tool includes, an abnormal load detecting unit that detects an abnormal load by monitoring a load of the motor, a retract amount storing unit that stores a plurality of retract amounts used when the machine tool performs a retract operation in response to detection of an abnormal load by the abnormal load detecting unit, a retract amount switching unit that switches a retract amount selected from the plurality of retract amounts in accordance with a result of determination of whether the machine tool is processing or not, and a retract amount adding unit that adds a retract amount selected by switching of the retract amount switching unit to an instruction value indicative of a movement amount of the machine tool.

Abstract: A numerical control device wherein a sinusoidal signal generated by a sine wave generation part is input by a control loop excitation part to a control loop of the control object, the input signal input to the control loop and the output signal from the control object are sampled by the data acquisition part periodically, and the sampling data is used by the frequency characteristic calculation part to calculate the frequency characteristic of the control loop to control the control object, wherein the frequency characteristic calculation part uses data obtained by inputting a sinusoidal signal obtained by shifting an initial phase of the sinusoidal signal by a phase shift part provided at a sine wave generation part by exactly a certain amount to the control loop a plurality of times to calculate the frequency characteristic of the control loop to thereby improve the measurement precision regardless of the sampling frequency.

Abstract: A control device for a motor is provided that can determine the states of current controllers controlling the current flowing to windings, as well as reducing the load of arithmetic processing. A control device for a motor having windings includes: a main current controller that is connected with a numerical control and controls current flowing to the winding; and sub-current controllers that are connected with the main current controller and control current flowing to the windings, respectively, in which the main current controller: calculates states of the main current controller and the sub-current controllers, compares between the states of the main current controller and the sub-current controllers thus calculated, and determines whether an abnormality is occurring in the main current controller and the sub-current controllers based on a result of comparing between the states of the main current controller and the sub-current controllers.

Abstract: A motor control apparatus controlling a motor driving a machine tool includes, an abnormal load detecting unit that detects an abnormal load by monitoring a load of the motor, a retract amount storing unit that stores a plurality of retract amounts used when the machine tool performs a retract operation in response to detection of an abnormal load by the abnormal load detecting unit, a retract amount switching unit that switches a retract amount selected from the plurality of retract amounts in accordance with a result of determination of whether the machine tool is processing or not, and a retract amount adding unit that adds a retract amount selected by switching of the retract amount switching unit to an instruction value indicative of a movement amount of the machine tool.

Abstract: A servomotor controller includes a first and a second converter circuit that perform conversion between AC power of a power supply and DC power, a first inverter circuit that performs conversion between the DC power on the DC side of the first converter circuit and AC power on the side of a first motor, a second inverter circuit that performs conversion between the DC power on the DC side of the second converter circuit and AC power on the side of a second motor, and a power calculation unit that calculates an amount of power of the first motor, wherein control is performed so that the regenerative power of the first motor is supplied to the second motor through the power supply or the regenerative power of the second motor is supplied to the first motor through the power supply, on the basis of the amount of power.

Abstract: A servomotor control system of the present invention includes: a multiple number of first servomotors for driving axes in a machine tool or others; a multiple number of converters for converting AC voltage into DC voltage; a multiple number of first inverters for converting DC voltage into AC voltage; second servomotors for rotating inertial bodies; a multiple number of second inverters for converting DC voltage into AC voltage; and a servomotor control unit for controlling the multiple first servomotors and the second servomotors, and is constructed such that the number of the second servomotors is less than that of the multiple second inverters, and at least one of the second servomotors includes a multiple number of independent windings, and at least part of the multiple second inverters are connected to the multiple independent windings provided for one of the second servomotors.

Abstract: To provide a safe and stable medicine useful for prevention and treatment of prostate cancer. A novel PI polyamide is acquired that recognizes and binds to a specific base sequence of an Oct1 gene binding sequence present in a transcriptional regulatory region (AR response region) of an ACSL3 gene and regulating the transcription activity of AR. This leads to the provision of an ACSL3 gene expression inhibitor and a preventive and/or therapeutic agent of prostate cancer containing the PI polyamide as an active ingredient.

Abstract: A servo control device in the present invention corrects a position command to a feed axis, so as to compensate for an amount of stretch or contraction of a ball screw during operation, by taking into account an influence of tension applied to the ball screw. The amount of stretch or contraction of the ball screw is calculated, based on the tension acting on the ball screw on the side farther from the servo motor, a distance between two fixed units supporting the ball screw at its opposite ends, a distance from the fixed unit situated closer to the servo motor to a moving body, and a torque command to the servo motor. An amount of position correction of the feed axis is calculated, based on the calculated amount of stretch or contraction of the ball screw.

Abstract: A servomotor control system of the present invention includes: a multiple number of first servomotors for driving axes in a machine tool or others; a multiple number of converters for converting AC voltage into DC voltage; a multiple number of first inverters for converting DC voltage into AC voltage; second servomotors for rotating inertial bodies; a multiple number of second inverters for converting DC voltage into AC voltage; and a servomotor control unit for controlling the multiple first servomotors and the second servomotors, and is constructed such that the number of the second servomotors is less than that of the multiple second inverters, and at least one of the second servomotors includes a multiple number of independent windings, and at least part of the multiple second inverters are connected to the multiple independent windings provided for one of the second servomotors.

Abstract: To provide a safe and stable medicine useful for prevention and treatment of prostate cancer. A novel PI polyamide is acquired that recognizes and binds to a specific base sequence of an Oct1 gene binding sequence present in a transcriptional regulatory region (AR response region) of an ACSL3 gene and regulating the transcription activity of AR. This leads to the provision of an ACSL3 gene expression inhibitor and a preventive and/or therapeutic agent of prostate cancer containing the PI polyamide as an active ingredient.

Abstract: A motor control apparatus controlling a motor driving a machine tool includes, an abnormal load detecting unit that detects an abnormal load by monitoring a load of the motor, a retract amount storing unit that stores a plurality of retract amounts used when the machine tool performs a retract operation in response to detection of an abnormal load by the abnormal load detecting unit, a retract amount switching unit that switches a retract amount selected from the plurality of retract amounts in accordance with a result of determination of whether the machine tool is processing or not, and a retract amount adding unit that adds a retract amount selected by switching of the retract amount switching unit to an instruction value indicative of a movement amount of the machine tool.

Abstract: A numerical control device wherein a sinusoidal signal generated by a sine wave generation part is input by a control loop excitation part to a control loop of the control object, the input signal input to the control loop and the output signal from the control object are sampled by the data acquisition part periodically, and the sampling data is used by the frequency characteristic calculation part to calculate the frequency characteristic of the control loop to control the control object, wherein the frequency characteristic calculation part uses data obtained by inputting a sinusoidal signal obtained by shifting an initial phase of the sinusoidal signal by a phase shift part provided at a sine wave generation part by exactly a certain amount to the control loop a plurality of times to calculate the frequency characteristic of the control loop to thereby improve the measurement precision regardless of the sampling frequency.