Abstract: A power supply device includes a driving control device and an auxiliary control device, the vehicle including a main power source, an auxiliary power source, and a supply path, the supply path being a path configured to be opened and closed according to a state of a start switch of the vehicle. The driving control device is a device that controls a state of equipment installed in the vehicle and the auxiliary control device is a device that controls a state of the auxiliary power source. The driving control device is configured to execute a storage process, a permission signal transmission process, and an initial value process, and the auxiliary control device is configured to execute a permission signal reception process and a stop process.

Abstract: A battery management system includes multiple monitoring devices and a control device. The monitoring devices are disposed in a housing that accommodates a battery of a vehicle and monitors battery information indicating a state of the battery. The control device performs wireless communication with each of the monitoring devices and acquires data including the battery information to execute a predetermined process. The control device sets a cycle in which the multiple monitoring devices make a round in order to perform wireless communication with each of the monitoring devices, and is capable of adjusting the cycle.

Abstract: A monitoring device is configured to monitor a state of a battery and transmitting the state of the battery as battery information to a control device by wireless communication. The monitoring device includes a monitoring-device-side communication unit configured to execute a connection process with a control-device-side communication unit and communicate the battery information. The monitoring-device-side communication unit is configured to set a communication speed when at least a part of a predetermined connection process of the connection process is executed with the control-device-side communication unit to be lower than a communication speed when the battery information is transmitted to the control-device-side communication unit.

Abstract: An electric motor driving device includes an inverter switching circuit of which a positive electrode side is connected to a positive electrode side of a smoothing capacitor and a negative electrode side is connected to a negative electrode side of the smoothing capacitor, a first wiring line that connects the positive electrode side of the smoothing capacitor and the positive electrode side of the inverter switching circuit, a second wiring line that connects the negative electrode side of the smoothing capacitor and the negative electrode side of the inverter switching circuit, a first snubber circuit that is connected to the first wiring line and the second wiring line, a current detector that detects a current flowing in a portion included in the second wiring line, and a capacitor that is connected to the negative electrode side of the smoothing capacitor and the negative electrode side of the inverter switching circuit.

Abstract: A battery management device is configured to set a limited measurement range that limits a range for measuring a voltage of each of a plurality of batteries for a vehicle. The battery management device is configured to measure the voltage of each of the plurality of batteries within the limited measurement range.

Abstract: A control apparatus performing a wireless communication with a supervisory apparatus that acquires battery information indicating a battery state and transmits the acquired battery information, and controlling the supervisory apparatus based on the battery information. The control apparatus includes a wireless communication unit that wirelessly transmits a plurality of commands which are combined to the supervisory apparatus corresponding to a control period set for a control of monitoring the battery state.

Abstract: A battery management system includes a monitoring device and a control device. The control device transmits request data requesting transmission of battery information, and the monitoring device transmits response data including the battery information to the control device. The control device makes next request data include communication establishment information and transmits the next request data. The monitoring device includes a transmission buffer capable of individually accumulating the battery information for multiple times. The monitoring device deletes the battery information corresponding to communication establishment from the transmission buffer, and holds the battery information corresponding to communication failure in the transmission buffer based on the communication establishment information.

Abstract: A battery management system includes monitoring devices arranged in a housing that houses batteries and a control device. The monitoring device includes (i) a monitoring IC capable of acquiring battery information and (ii) a wireless IC. At a start-up time of the plurality of monitoring devices, each of the wireless ICs performs an advertising operation in a cyclic advertising event for establishing a connection of wireless communication between the plurality of monitoring devices and the control device, and the control device performs a scan operation. The wireless IC of each of the two or more monitoring devices has, respectively, an event management unit that manages a generation cycle of the adverting event, for performing the advertising operation at respectively different timings.

Abstract: A battery management system in a vehicle includes: monitoring devices arranged in a housing accommodating battery; and a control device arranged in the housing, acquiring battery information from the monitoring devices, and performing a predetermined process. The control device stores, in advance as learning data, data that correlates with an electric field intensity in the housing for frequency channels that are usable to transmit and receive data to and from each of the monitoring devices performing wireless communication. The control device determines a target frequency channel of the frequency channel hopping based on the learning data.

Abstract: A power conversion apparatus includes a converter circuit and a control unit. The converter circuit includes circuits for the number of phases being more than one, the circuits each including a reactor and a corresponding first or second switching element connected to the reactor. The converter circuit converts an AC voltage output from a commercial power supply into a DC voltage. In a case where a time difference between a timing of turning off the first switching element and a timing of turning on the second switching element is within a threshold, the control unit performs control for advancing or delaying the timing of turning off the first switching element.

Abstract: An induction heating cooking apparatus includes a plurality of heating coils aligned in at least one row on a flat surface, a plurality of inverter circuits each configured to supply a high-frequency current to the corresponding one of the plurality of heating coils, and a controller configured to control driving of the plurality of inverter circuits. The plurality of heating coils include a first heating coil and a second heating coil that are adjacent to each other. The controller is configured to, when a material forming a heating target loaded on an upper part of the first heating coil is a magnetic material, and a material forming the heating target loaded on an upper part of the second heating coil at least includes a nonmagnetic material, set a frequency of the high-frequency current supplied to the second heating coil higher than a frequency of the high-frequency current supplied to the first heating coil.

Abstract: A battery management system includes multiple monitoring devices and a control device. The monitoring devices are disposed in a housing that accommodates a battery of a vehicle and monitors battery information indicating a state of the battery. The control device performs wireless communication with each of the monitoring devices and acquires data including the battery information to execute a predetermined process. The control device sets a cycle in which the multiple monitoring devices make a round in order to perform wireless communication with each of the monitoring devices, and is capable of adjusting the cycle.

Abstract: A battery management system in a vehicle includes: monitoring devices arranged in a housing accommodating battery; and a control device arranged in the housing, acquiring battery information from the monitoring devices, and performing a predetermined process. The control device stores, in advance as learning data, data that correlates with an electric field intensity in the housing for frequency channels that are usable to transmit and receive data to and from each of the monitoring devices performing wireless communication. The control device determines a target frequency channel of the frequency channel hopping based on the learning data.

Abstract: A battery management system includes a monitoring device and a control device. The control device transmits request data requesting transmission of battery information, and the monitoring device transmits response data including the battery information to the control device. The control device makes next request data include communication establishment information and transmits the next request data. The monitoring device includes a transmission buffer capable of individually accumulating the battery information for multiple times. The monitoring device deletes the battery information corresponding to communication establishment from the transmission buffer, and holds the battery information corresponding to communication failure in the transmission buffer based on the communication establishment information.

Abstract: A battery management system includes monitoring devices arranged in a housing that houses batteries and a control device. The monitoring device includes (i) a monitoring IC capable of acquiring battery information and (ii) a wireless IC. At a start-up time of the plurality of monitoring devices, each of the wireless ICs performs an advertising operation in a cyclic advertising event for establishing a connection of wireless communication between the plurality of monitoring devices and the control device, and the control device performs a scan operation. The wireless IC of each of the two or more monitoring devices has, respectively, an event management unit that manages a generation cycle of the adverting event, for performing the advertising operation at respectively different timings.

Abstract: An inductive heating cooker includes a main body and a power-receiver device. The main body includes a top plate on which a heating target is placed, a heating coil provided under the top plate and configured to inductively heat the heating target, a drive circuit configured to supply electric power to the heating coil, a power transmission coil configured to transmit the electric power by magnetic resonance, and a power transmission circuit configured to supply the electric power to the power transmission coil. The power-receiver device includes a power reception coil configured to receive the electric power from the power transmission coil by the magnetic resonance, and a load circuit configured to operate by the electric power received by the power reception coil.

Abstract: A battery management device is configured to set a limited measurement range that limits a range for measuring a voltage of each of a plurality of batteries for a vehicle. The battery management device is configured to measure the voltage of each of the plurality of batteries within the limited measurement range.

Abstract: An induction heating cooking apparatus includes a plurality of heating coils aligned in at least one row on a flat surface, a plurality of inverter circuits each configured to supply a high-frequency current to the corresponding one of the plurality of heating coils, and a controller configured to control driving of the plurality of inverter circuits. The plurality of heating coils include a first heating coil and a second heating coil that are adjacent to each other. The controller is configured to, when a material forming a heating target loaded on an upper part of the first heating coil is a magnetic material, and a material forming the heating target loaded on an upper part of the second heating coil at least includes a nonmagnetic material, set a frequency of the high-frequency current supplied to the second heating coil higher than a frequency of the high-frequency current supplied to the first heating coil.

Abstract: An induction heating cooking apparatus capable of performing wireless communication with an external apparatus includes a heating unit that inductively heats an object to be heated and a driving circuit that outputs electric power to the heating unit. Electric power output from the driving circuit during a period of time in which the wireless communication with the external apparatus is performed is less than electric power output from the driving circuit during a period of time in which the wireless communication with the external apparatus is not performed.

Abstract: An opening/closing device (14) includes: a stationary platen (20); a movable platen (22) capable of moving toward or away from the stationary platen (20); an opening/closing mechanism (28) having a plurality of toggle links (30, 31, 32) at least one (32) of which is connected to the movable platen (22); a driving device (37) including a cross head (26) connected to at least one (30) of the toggle links and capable of moving the movable platen (22); and a control portion (50). The control portion (50) is configured to control the cross head (26) such that the movable platen (22) moves at fixed speed during fine die-opening operation.