Abstract: A vehicle driven by a motor includes: a secondary battery configured to supply an electric power to the motor; a power regeneration portion configured to supply, to the secondary battery, a regenerative electric power that is recovered at a time of braking the vehicle; a power storage amount detecting portion configured to detect a power storage amount of the secondary battery; and a controlling portion configured to control charging and discharging of the secondary battery. The controlling portion estimates a regenerative electric power, and estimates an expected power-storage increasing amount, so as to calculate a virtual power storage amount from a sum total of the expected power-storage increasing amount and an actual power storage amount. The controlling portion performs charging and discharging on the secondary battery based on the virtual power storage amount.

Abstract: A fuel cell system is provided, which includes a fuel cell configured to generate power by a reaction of fuel gas and air, an air compressor configured to compress air and supplying the compressed air to the fuel cell, a controller configured to control operations of the fuel cell and the air compressor, and an exhaust system member configured to discharge off-gas and produced water from the fuel cell. When a first condition including a flow rate of air by the air compressor being greater than a first flow rate is satisfied, the controller increases a rotational speed of the air compressor to supply air at or more than a second flow rate that is greater than the first flow rate to the fuel cell, and to discharge water inside the fuel cell.

Abstract: A method for controlling an external electric power supply system supplying electric power from a fuel cell and a secondary battery mounted on a vehicle to an external load, the method including controlling electric power from the fuel cell and the secondary battery such that externally supplied electric power supplied to the external load is equal to or less than supply allowed electric power, and setting the supply allowed electric power to be equal to or less than a smaller one of an upper limit value of electric power which the secondary battery is charged with set in accordance with a temperature, and an electric power storage amount of the secondary battery and an upper limit value of electric power discharged from the secondary battery set in accordance with the temperature and the electric power storage amount of the secondary battery.

Abstract: A fuel cell system includes a fuel cell containing a unit cell with an anode and a cathode included therein, a hydrogen supply unit that supplies hydrogen gas to the anode, a circulation pump that supplies an anode exhaust gas containing hydrogen that has not been used for power generation by the fuel cell and is discharged from the anode, once again to the anode to circulate the anode exhaust gas, and a controller that controls supply quantity of the hydrogen gas by the hydrogen supply unit as well as rotating speed of the circulation pump. The controller drives the circulation pump so that the rotating speed of the circulation pump approaches an optimum rotating speed of the circulation pump at which a total hydrogen loss quantity becomes a minimum under a specified current value, the total hydrogen loss quantity being a sum of a hydrogen quantity corresponding to an electric power necessary for driving the circulation pump and a hydrogen quantity passing from anode side to cathode side of the fuel cell.

Abstract: There is provided a control method of an external power supply system configured to supply power to the outside from a fuel cell and a secondary battery mounted on a vehicle. When a failure is detected in a sensor that measures an electric power supplied to the outside from an electric power line to which the fuel cell and the secondary battery are connectable, (a) if a decrease in a state of charge of the secondary battery is detected, external power supply is performed by increasing a generated power of the fuel cell so as to stop the decrease in the state of charge, and (b) if an increase in a state of charge of the secondary battery is detected, external power supply is performed by decreasing the generated power of the fuel cell so as to stop the increase in the state of charge.

Abstract: A fuel cell system includes a fuel cell containing a unit cell with an anode and a cathode included therein, a hydrogen supply unit that supplies hydrogen gas to the anode, a circulation pump that supplies an anode exhaust gas containing hydrogen that has not been used for power generation by the fuel cell and is discharged from the anode, once again to the anode to circulate the anode exhaust gas, and a controller that controls supply quantity of the hydrogen gas by the hydrogen supply unit as well as rotating speed of the circulation pump. The controller drives the circulation pump so that the rotating speed of the circulation pump approaches an optimum rotating speed of the circulation pump at which a total hydrogen loss quantity becomes a minimum under a specified current value, the total hydrogen loss quantity being a sum of a hydrogen quantity corresponding to an electric power necessary for driving the circulation pump and a hydrogen quantity passing from anode side to cathode side of the fuel cell.

Abstract: A method for controlling an external electric power supply system supplying electric power from a fuel cell and a secondary battery mounted on a vehicle to an external load, the method including controlling electric power from the fuel cell and the secondary battery such that externally supplied electric power supplied to the external load is equal to or less than supply allowed electric power, and setting the supply allowed electric power to be equal to or less than a smaller one of an upper limit value of electric power which the secondary battery is charged with set in accordance with a temperature, and an electric power storage amount of the secondary battery and an upper limit value of electric power discharged from the secondary battery set in accordance with the temperature and the electric power storage amount of the secondary battery.

Abstract: A vehicle driven by a motor includes: a secondary battery configured to supply an electric power to the motor; a power regeneration portion configured to supply, to the secondary battery, a regenerative electric power that is recovered at a time of braking the vehicle; a power storage amount detecting portion configured to detect a power storage amount of the secondary battery; and a controlling portion configured to control charging and discharging of the secondary battery. The controlling portion estimates a regenerative electric power, and estimates an expected power-storage increasing amount, so as to calculate a virtual power storage amount from a sum total of the expected power-storage increasing amount and an actual power storage amount. The controlling portion performs charging and discharging on the secondary battery based on the virtual power storage amount.

Abstract: There is provided a control method of an external power supply system configured to supply power to the outside from a fuel cell and a secondary battery mounted on a vehicle. When a failure is detected in a sensor that measures an electric power supplied to the outside from an electric power line to which the fuel cell and the secondary battery are connectable, (a) if a decrease in a state of charge of the secondary battery is detected, external power supply is performed by increasing a generated power of the fuel cell so as to stop the decrease in the state of charge, and (b) if an increase in a state of charge of the secondary battery is detected, external power supply is performed by decreasing the generated power of the fuel cell so as to stop the increase in the state of charge.

Abstract: A fuel cell system is provided, which includes a fuel cell configured to generate power by a reaction of fuel as and air, an air compressor configured to compress air and supplying the compressed air to the fuel cell, a controller configured to control operations of the fuel cell and the air compressor, and an exhaust system member configured to discharge off-gas and produced water from the fuel cell. When a first condition including a flow rate of air by the air compressor being greater than a first flow rate is satisfied, the controller increases a rotational speed of the air compressor to supply air at or more than a second flow rate that is greater than the first flow rate to the fuel cell, and to discharge water inside the fuel cell.

Abstract: Provided is an adjustment apparatus that adjusts signal output timings, comprising a control section that causes a first signal output section to output a signal having a rising edge and causes a second signal output section to output a signal having a falling edge; a signal acquiring section that acquires a composite signal obtained by combining the signal output by the first signal output section and the signal output by the second signal output section; and an adjusting section that adjusts a timing difference between a signal output timing of the first signal output section and a signal output timing of the second signal output section, such that the signal acquiring section acquires the composite signal having a composite waveform in which the rising edge and the falling edge overlap.

Abstract: Provided is a test apparatus, a calibration method, a program causing a computer to perform as a test apparatus, and a recording medium storing the program. The test apparatus includes a response characteristic detecting section that detects a difference between a response time of the comparator for a rising waveform and a response time of the comparator for a falling waveform, based on measurement results, obtained by the comparator, of the waveforms and corresponding reflected waveforms, The response characteristic detecting section calculates a difference between output characteristics of the rising waveform and the falling waveform output from the driver, based on the measurement results from the comparator of the waveforms and the corresponding reflected waveforms, and corrects a difference between the response times of the comparator based on the difference between the output characteristics.

Abstract: Provided is an adjustment apparatus that adjusts signal output timings, comprising a control section that causes a first signal output section to output a signal having a rising edge and causes a second signal output section to output a signal having a falling edge; a signal acquiring section that acquires a composite signal obtained by combining the signal output by the first signal output section and the signal output by the second signal output section; and an adjusting section that adjusts a timing difference between a signal output timing of the first signal output section and a signal output timing of the second signal output section, such that the signal acquiring section acquires the composite signal having a composite waveform in which the rising edge and the falling edge overlap.

Abstract: A test apparatus that test a device under test includes a plurality of signal input/output units each of which has a signal output section and a signal input section that: firstly, adjusts each of the signal input/output units such that the phase difference between a time at which the signal output section outputs a signal and a time at which the signal input section inputs the signal is substantially the same as that of the other input/output units; next, detects, in the state that the plurality of signal input/output units are connected to each other, the amount of shift to shift the signal input timing in order to input the signal outputted by the first signal output section by the second signal input section and the amount of shift to shift the signal input timing in order to input the signal outputted by the second signal input section by the first signal input section; and then, adjusts such that the phases of the signal input/outputs between the first signal input/output unit and the second signal inpu

Abstract: A test apparatus that test a device under test includes a plurality of signal input/output units each of which has a signal output section and a signal input section that: firstly, adjusts each of the signal input/output units such that the phase difference between a time at which the signal output section outputs a signal and a time at which the signal input section inputs the signal is substantially the same as that of the other input/output units; next, detects, in the state that the plurality of signal input/output units are connected to each other, the amount of shift to shift the signal input timing in order to input the signal outputted by the first signal output section by the second signal input section and the amount of shift to shift the signal input timing in order to input the signal outputted by the second signal input section by the first signal input section; and then, adjusts such that the phases of the signal input/outputs between the first signal input/output unit and the second signal inpu

Abstract: An electromagnetic field intensity calculation apparatus calculates a virtual current vector from a voltage vector and a mutual immittance matrix of an object including a wave source where a wave source power is applied. The voltage vector and the mutual immittance use a wave voltage of the wave source as a unit voltage. The apparatus also calculates an input impedance of the wave source based on a virtual wave source current of the virtual current vector and a unit voltage of the wave source, and calculates the wave source voltage based on the input impedance and the wave source power. The apparatus further calculates a current vector based on the wave source voltage calculated and the virtual current vector, and calculates an electromagnetic field intensity around the wave source which is determined based on the current vector.

Abstract: An electromagnetic field intensity calculation apparatus calculates a virtual current vector from a voltage vector and a mutual immittance matrix of an object including a wave source where a wave source power is applied. The voltage vector and the mutual immittance use a wave voltage of the wave source as a unit voltage. The apparatus also calculates an input impedance of the wave source based on a virtual wave source current of the virtual current vector and a unit voltage of the wave source, and calculates the wave source voltage based on the input impedance and the wave source power. The apparatus further calculates a current vector based on the wave source voltage calculated and the virtual current vector, and calculates an electromagnetic field intensity around the wave source which is determined based on the current vector.