Gs Yuasa International Ltd.

Other

Yuki Matsuda

Naoya Wada

Masakatsu Fujimatsu

Yoshihiro Masuda

Masashi Nakamura

Masahiro Kondo

Shun Sasaki

Minoru Watanabe

Sadayoshi Hattori

Yo Hasegawa

Eiji Hayashi

Yasuyuki Iwashima

Shinpei Ono

Junichi Takatori

Akimasa Sugiura

Shumpei Yamakawa

Satoshi Kunita

Seiya Osuga

A BMU (management apparatus) of a secondary battery (energy storage device) includes a management part that operates by power supplied from the secondary battery, and a capacitor (backup power source) that supplies power to the management part when a voltage of the secondary battery decreases.

Management apparatus for energy storage device and energy storage apparatus

A new configuration capable of performing processing in accordance with a sleep state of a user and at least one of a position and motion of the user is provided. An information processing apparatus includes a sensing unit that outputs a signal depending on motion of the user, a sleep state measurement unit that measures the sleep state of the user based on an output from the sensing unit, a user state measurement unit that measures a user state representing at least one of the position and the motion of the user based on the output from the sensing unit, and a processing performing unit that performs prescribed processing based on at least one of the sleep state of the user measured by the sleep state measurement unit and the user state measured by the user state measurement unit.

Information processing apparatus, information processing method, non-transitory computer-readable storage medium with executable information processing program stored thereon, and information processing system

A voltage measurement circuit includes: voltage dividing circuits that divide voltages of energy storage devices, in respective stages connected in series; switches that cut off the currents of the voltage dividing circuits in the respective stages, and a measurement unit that measures the voltages of the energy storage devices in the respective stages based on outputs of the voltage dividing circuits in the respective stages. The voltage dividing circuits in the respective stages each have a first resistor connected to the ground and a second resistor connected to a positive electrode of the corresponding energy storage device. The switch in a predetermined-number stage among the switches in the respective stages is an N-channel field-effect transistor (FET) having a source connected to the first resistor and a drain connected to the second resistor, and the source of the FET is a voltage output terminal with respect to the measurement unit.

Voltage measurement circuit and energy storage apparatus

A management devicefor power storage elements is provided with a cause analysis unitthat, when the voltages of power storage elements B-Bare reduced to a prescribed level or physical quantities correlated with the voltages are reduced to prescribed values after the supply of power to the power storage elements B-Bhas been stopped, analyzes the cause of the voltage reduction in power storage elements B-Bor the cause of the reduction in the physical quantities correlated with voltages to the prescribed values, on the basis of measurement data of the power storage elements B-Bmeasured after the supply of power has been stopped.

Management device, energy storage apparatus, cause analysis method, engine-driven vehicle, and electric vehicle

An energy storage apparatus includes an energy storage device, a first wiring electrically connected to the energy storage device, a harness plate holding the first wiring, and a first connector connected to the first wiring, the first connector being located at a central portion of the harness plate and capable of detachably attaching an external wiring.

Energy storage apparatus

Growing community of inventors

Ritto, Japan

Yuki Matsuda