Abstract: A memory device includes a semiconductor column extending above a substrate, a first conductive layer on a first side of the semiconductor column, a second conductive layer on a second side of the semiconductor column, opposite to the first conductive layer, a third conductive layer above or below the first conductive layer and on the first side of the semiconductor column, a fourth conductive layer on the second side of the semiconductor column, opposite to the third conductive layer, and a bit line connected to the semiconductor column. During reading in which a positive voltage is applied to the bit line, first, second, third, and fourth voltages applied to the first, second, third, and fourth conductive layers, respectively, wherein the first voltage and the third voltage are higher than each of the second voltage and the fourth voltage, and the third voltage is higher than the first voltage.

Abstract: A steering control device is applied to a vehicle steering system for steering traveling of a vehicle. The steering control device includes a rudder angle control unit that executes a control in which a rudder angle variable obtained about the steering is referred to. The rudder angle control unit executes a control information setting process of setting control information that is a value indicating straight movement of the vehicle and that is a reference of the rudder angle variable. In the control information setting process, the rudder angle control unit enables a control to steer the traveling of the vehicle, by completing setting of the control information after an electric power source of the vehicle steering system is turned on.

Abstract: A steering control device includes a control circuit that controls driving of a reaction force motor that generates steering reaction force that is given to a steering wheel, dynamic power transmission being not performed between the steering wheel and a turning wheel of a vehicle. The control circuit requests a vehicle control device to stop operation of a powertrain in a case where a vehicle electric power source has been turned on and where exchange of information has been performed with the vehicle control device so as not to follow a preset pattern. The vehicle control device controls traveling of the vehicle. The powertrain includes a traveling drive source of the vehicle.

Abstract: A steer-by-wire rudder system includes a first system having a first motor unit that drives a rudder mechanism and a first control unit that controls the first motor unit, and a second system having a second motor unit that drives the rudder mechanism and a second control unit that controls the second motor unit. The first control unit and the second control unit perform cooperative control for controlling the first motor unit and the second control unit to cooperate with each other. When the cooperative control is not performed, one of the control of the first motor unit by the first control unit and the control of the second motor unit by the second control unit continues, and the other thereof stops.

Abstract: A cable lead-in member includes a first member and a cover member. The first member is to be attached to a lead-in port through which a cable is to be led inside. The cover member protects the first member. The cover member is divisible in a direction crossing a direction in which the cable is to be led inside.

Abstract: A steering control device is configured to control a steering device that changes a transmission ratio between an operation angle of an operation member and a steering angle of a steerable wheel. The steering control device includes: communication lines for transmitting vehicle speed information; and calculators communicably connected to each other and individually connected to the communication lines. Each calculator calculates the transmission ratio based on the vehicle speed information received via a corresponding one of the communication lines and determines whether the received vehicle speed information is valid.

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 steer-by-wire steering system including a steering device including a steering motor and a controller configured to supply a steering current to the steering motor based on a steering request. The controller includes a plurality of microcomputers, a plurality of drive circuits, and a plurality of temperature sensors. When a detection temperature difference that is a difference between detection temperatures of any two of the plurality of temperature sensors is greater than a predetermined threshold, each of the plurality of microcomputers executes an independent calculation control to independently calculate and set a current limit value, which is an upper limit value of the steering current, based on a detection temperature of one of the plurality of temperature sensors corresponding to itself, irrespective of detection temperatures of one or more of the plurality of temperature sensors other than the one of the plurality of temperature sensors corresponding to itself.

Abstract: A vehicle control unit includes a controller configured to make a state transition to a normal control state via a start-up state after a power source system of a vehicle is started. The start-up state is a state where it is possible to execute a preparation process, required for making a state transition to the normal control state, by controlling an operation member so as to move automatically. The controller is configured to execute, in the start-up state: a forced-ending condition determination process of determining whether a forced-ending condition showing that the preparation process being executed is to be forcedly ended from start of execution of the preparation process is met; a forced-ending process of forcedly ending the preparation process being executed when the forced-ending condition is met; and a notification process of notifying the driver of forced ending of the preparation process.

Abstract: A power supply circuit includes a power conversion circuit. A terminal voltage of a first direct-current voltage source and a terminal voltage of a second direct-current voltage source are applied to the power conversion circuit, and the power conversion circuit includes a first inductor, a second inductor, and switching elements. The power supply circuit includes an OR circuit. The OR circuit is a circuit that outputs at least one of electric power of the first direct-current voltage source and electric power of the second direct-current voltage source to a control system electrical load.

Abstract: A steering system is configured such that electric power is supplied to a steering actuator and a turning actuator from a first power supply when a power state of a vehicle is an on state and supply of the electric power from the first power supply is cut off when the power state is an off state. The steering system includes a rotation curbing unit configured to operate such that rotation of the steering wheel is curbed in at least a part of a first power-off period from when the power state becomes an off state until when the power state becomes the on state next, as an operating period, and a second power supply configured to supply, to the rotation curbing unit, the electric power required for operation of the rotation curbing unit in the operating period, the second power supply being different from the first power supply.

Abstract: A steering control device is applied to a steer-by-wire system in which a steering mechanism and a turning mechanism are mechanically separated. The steering control device applied to the steer-by-wire system controls a drive of a steering motor that functions as a reaction motor that applies reaction torque to a steering wheel. A steering wheel lock calculating unit of the steering control device performs a steering wheel lock drive control for calculating a drive command so as to output a lock torque for maintaining a rotation stop state of the steering wheel by energizing the steering motor when a predetermined condition is satisfied while a vehicle is parked or stopped. A power converter converts power supply electric power according to the drive command calculated by the steering wheel lock calculating unit and supplies the electric power to the steering motor.

Abstract: A free-range livestock management server apparatus acquires information related to an individual animal or a location; identifies the individual animal based on acquired information; identifies location based on acquired information; grasps condition of individual animal or the location based on acquired information; monitors an abnormal condition of the individual animal or the location based on acquired information; sorts the information related to identified individual animal, identified location, grasped condition, and monitored abnormal condition for the identified individual animal or the identified location to associate each piece of the information with the identified individual animal or the identified location; stores the sorted and associated information; determines urgency of information related to abnormal condition of the individual animal or the location among the stored information based on a preset criterion; and creates notification information based on the information determined urgent to t

Abstract: A steering control device includes a first reaction force control circuit and a second reaction force control circuit. Each of the first reaction force control circuit and the second reaction force control circuit are configured to control a reaction force motor, to execute, at a starting time, a preparation process including a process that requires the steering wheel to automatically rotate through the reaction force motor, and to store, at a time of execution completion of the preparation process, information indicating whether the preparation process has been normally completed. In a case where the first reaction force control circuit has been reset, when the information indicates that the preparation process has been normally completed, the first reaction force control circuit that has been rest is configured to not execute the preparation process at a time of restarting after completion of the reset.

Abstract: A semiconductor memory device includes a first memory cell, a second memory cell above the first memory cell, a first word line electrically connected to a gate of the first memory cell, a second word line electrically connected to a gate of the second memory cell, and a control unit that performs an erasing operation on the first and second memory cells. During the erasing operation, the control unit applies a first voltage to a first word line and a second voltage higher than the first voltage to a second word line.

Abstract: The semiconductor laser device comprises a laser part, a waveguide for propagating laser light emitted by the laser part, and a photodetector for detecting the laser light which are formed on the same semiconductor substrate. The photodetector includes a p-type contact layer which is formed above the side of the waveguide on the side opposite to the semiconductor substrate and is connected to an anode electrode, an n-type contact layer connected to a cathode electrode, and an undoped layer formed between the p-type contact layer and the n-type contact layer. The undoped layer and the n-type contact layer in the photodetector include a main light receiving part disposed above the waveguide so as to encompass the waveguide, and an enlarged part disposed so as not to encompass the waveguide while connected to the main light receiving part.

Abstract: A semiconductor laser element includes: a semiconductor laser portion; a transition portion that is adjacent to the semiconductor laser portion in a first direction and a spot size converter that is adjacent to the transition portion in the first direction. Each of the semiconductor laser portion, the transition portion and the spot size converter includes: a semiconductor substrate having a first surface; and a first clad layer, an active layer and a second clad layer stacked on the first surface in this order from the first surface side in a third direction orthogonal to the first surface. Each of the transition portion and the spot size converter further includes a waveguide layer that is in contact with a part of an upper surface of the second clad layer and has a refractive index higher than refractive indexes of the active layer and the second clad layer.

Abstract: Images of a livestock are taken, identifiers of the livestock are acquired, and the identifiers acquired and the images taken are stored in association with one another in a storage part. The images of the livestock identified by the same identifier, which had taken at different time points, are compared. Replacement of the livestock identified by the same identifier is reported when a change in the livestock that cannot occur during a predetermined time span is detected as a result of comparison.

Abstract: A semiconductor memory device includes a first memory cell, a second memory cell above the first memory cell, a first word line electrically connected to a gate of the first memory cell, a second word line electrically connected to a gate of the second memory cell, and a control unit that performs an erasing operation on the first and second memory cells. During the erasing operation, the control unit applies a first voltage to a first word line and a second voltage higher than the first voltage to a second word line.

Abstract: There is provided a health condition determination apparatus including: a behavior data acquisition part that acquires behavior data indicating a behavior of an animal acquired by executing at least one of monitoring and sensing on the animal; a behavior data accumulation part that accumulates the behavior data; and a health condition estimation part that estimates a health condition of the animal by using the behavior data.