Mitsubishi Electric Corporation

Nec Corporation

Mitsubishi Denki Kabushiki Kaisha

Digital Vision Laboratories Corporation

Matsushita Electric Industrial Co., Ltd.

Hideaki Tani

Satoshi Wachi

Hiroyuki Saito

Takeru Okabe

Yasufumi Ogawa

Keiichi Enoki

Koji Taniguchi

Hitoshi Inoue

Toshiaki Date

Toru Tanaka

Yukio Kobayashi

Osamu Ishikawa

Takafumi Hara

Tomohisa Shoda

Koji Nishimoto

Tadahiro Azuma

Satoru Yamano

Masahiro Kawato

Hirokazu Takatama

Hiroto Nishiguchi

Keisuke Ogasawara

Kuen Yehliu

Tomohisa Shouda

Takao Ninomiya

An object of the present disclosure is to manage an improvement state of usage manners of a user. An information processing system () according to the present disclosure includes: a user information acquiring means (1) for acquiring user information related to usage manners of a user; a manner score managing means (2) for calculating and accumulating a manner score according to the user information; a manner score comparing means (3) for comparing, for each user, a past manner score with a current manner score and for generating a comparison result; and an information presenting means (4) for presenting, to a user, information according to the comparison result.

Information processing system, information processing method, and non-transitorycomputer-readable medium

This invention concerns an on-vehicle electric power storage apparatus including: a control unitwhich performs internal control; a loadwhich is connected to a high voltage batteryvia a switchbased on a command from the control unit, and forcibly consumes the power charged in the high voltage battery; and a cooling apparatuswhich is driven based on a command from the control unitand cools the high voltage battery. When collision of a vehicle is detected by a collision detection unit, the control unitforcibly consumes the power in the high voltage batteryusing the load, and cools the high voltage batteryusing the cooling apparatus

On-vehicle electric power storage apparatus

To provide a controller of a rotary electric machine which can prevent the vibration torque component to be outputted by the rotary electric machine from being upper-limited by the maximum output torque of the rotary electric machine. A controller of a rotary electric machine decreases an amplitude of the vibration torque command value so that a vibration maximum value obtained by adding an amplitude of a vibration torque command value to a basic torque command value becomes less than or equal to an upper limit command value; and calculates a value obtained by upper-limiting an addition torque command value, which is obtained by adding the vibration torque command value to the basic torque command value, by the upper limit command value, as a final torque command value.

Controller of rotary electric machine

In order to detect failure of a charge/discharge current sensor for a battery and estimate and manage the state of charge of the battery when the charge/discharge current sensor has failed, provided are: a state-of-charge estimation unit for estimating the state of charge of the battery; an operation current estimation unit for estimating operation current of an electric load connected to the battery; and a charge/discharge current sensor failure detection unit for determining that failure occurs on the charge/discharge current sensor for detecting charge/discharge current of the battery, when a difference between the charge/discharge current and the operation current estimation value is equal to or greater than a predetermined value, wherein, when failure of the charge/discharge current sensor is detected, the electric load is operated at low output, and the state of charge of the battery is estimated using the operation current estimation value.

Vehicle power supply device

Final state-of-charge calculation means is provided which calculates a final state-of-charge of the battery according to state-of-charge estimate values by electric current integration mode state-of-charge estimation means and equivalent circuit model mode state-of-charge estimation means. The final state-of-charge calculation means performs, when a difference between the state-of-charge estimate value by the electric current integration mode state-of-charge estimation means and the state-of-charge estimate value by the equivalent circuit model mode state-of-charge estimation means becomes less than or equal to the state-of-charge difference threshold value, switching of the final state-of-charge from the state-of-charge estimate value by the electric current integration mode state-of-charge estimation means to the state-of-charge estimate value by the equivalent circuit model mode state-of-charge estimation means.

Battery state-of-charge estimation apparatus and state-of-charge estimation method

This in-vehicle DC-DC converter is configured from: a power conversion unit that transmits/receives power between a low-voltage system secondary battery and a high-voltage system secondary battery; low-voltage system AD converters and high-voltage system AD converters, which convert analog values of the currents, voltages, and temperatures of the low-voltage system secondary battery and the high-voltage system secondary battery into digital values; an input switching unit that switches analog values of the high-voltage system secondary battery into analog values of the corresponding low-voltage system secondary battery; and a calculation unit that compares the digital values of the low-voltage system AD converters and the digital values of the high-voltage system AD converters with each other. In the switched state, failure diagnosis of the AD converter is performed by comparing the digital values of the low-voltage system AD converters and the digital values of the high-voltage system AD converters with each other.

In-vehicle DC-DC converter

A push-type information transmission device is provided with a determination unit that determines the number of clients at transmission destinations of push transmission information in each of a plurality of chronologically continuous periods on the basis of at least response delay distribution data which is a probability distribution indicating the ratio of responses to information to the time elapsed since transmission of the information, and allowable band data indicating the allowable amount of information transfer.

Push-type information transmission device, push-type information transmission method, and program

A control apparatus of a rotary electric machine which can be configured so that the upper limit of a vibration torque component, in which the rotary electric machine is made to output, is not limited by a maximum output torque of the rotary electric machine is provided. The rotary electric machine is controlled such that when a vibration maximum value in which an amplitude of a vibration torque command value Tcv from a vibration command calculation section is added to a basic torque command value Tcb from a basic torque command calculation section exceeds an upper limit command value Tcmx, the addition of the vibration torque command value Tcv from the vibration command calculation section is stopped and a basic vibration torque command value Tcvb calculated by a basic vibration torque calculation block is regarded as a final torque command value Tcf.

Control apparatus of rotary electric machine

It is possible to accurately estimate a starting current and calculate a precise starting minimum voltage without being influenced by a change in a storage battery state or a starting state by updating a current/voltage correlation characteristic corresponding to a deterioration state of a storage battery each time a current/voltage data set obtained when a starter is driven is newly stored in association with the deterioration state of the storage battery and by calculating the starting current corresponding to a present voltage immediately before start in accordance with the current/voltage correlation characteristic corresponding to the present deterioration state of the storage battery when determination is made as to whether or not to drive the starter.

Storage battery state detection apparatus and storage battery state detection method

Provided are a power generation control method for a vehicle configured to perform idling stop at a predetermined vehicle speed or less by a stop/start system, the vehicle including: a power generator configured to be driven by an internal combustion engine to generate power; and a battery to be charged by the power generated by the power generator, the power being generated in the vehicle under control so as to reduce an amount of fuel to be consumed by the internal combustion engine for power generation, the power generation control method including: detecting a charged and discharged state of the battery; and controlling the internal combustion engine to interrupt power generation involving fuel consumption when a charged state of the battery has recovered to a charged state before the idling stop through charging after the idling stop in accordance with the detected charged and discharged state.

Power generation device for vehicle and power generation control method

A control device for an internal combustion engine capable of controlling an intake-pipe pressure within a range which allows restartability to be ensured. A control device for an internal combustion engine includes: an idle-stop control section for restarting the engine in response to generation of a restart request; and an intake-air amount control section for setting a control amount of an intake system so that the intake air amount becomes zero when an intake-pipe pressure of the engine upon generation of the automatic stop request is higher than a predetermined pressure and setting the control amount of the intake system so that the intake air amount becomes larger than the amount upon generation of the automatic stop request, and then becomes zero when the intake-pipe pressure is lower than the predetermined pressure.

Control device for internal combustion engine and method of controlling internal combustion engine

In power generation control for a vehicle, which is configured to control power generation so as to reduce an amount of fuel consumed by power generation of the internal combustion engine, the vehicle including: a generator configured to be driven by the internal combustion engine to generate electric power; and the battery to be charged by the generated electric power of the generator, the vehicle being configured to stop idling at a predetermined vehicle speed or less, a battery voltage as an inter-terminal voltage of the battery is detected, and the internal combustion engine is controlled to interrupt power generation involving fuel consumption one of when the detected battery voltage reaches a predetermined combustion power generation interruption voltage and when the detected battery voltage exceeds the predetermined combustion power generation interruption voltage.

Vehicle power generating device and power generation control method

A power generation control apparatus in a vehicle includes: a power generator generating power when driven by an internal combustion engine; an electric storage apparatus charged by the power generator; a current sensor measuring a charge and discharge current value; an SOC computation portion estimating an SOC in the electric storage apparatus on the basis of the measured charge and discharge current; a generation voltage computation portion determining a generation voltage of the power generator so that the SOC in the electric storage apparatus becomes a target SOC; a target SOC computation portion setting the target SOC; and a generation cost computation portion calculating an amount of consumed fuel per unit generation output on the basis of an operating point of the internal combustion engine. The target SOC set by the target SOC computation portion is changed according to the calculated amount of consumed fuel per unit generation output.

Power generation control apparatus in vehicle

A vehicular power generation system includes: a battery which is charged by power generation electric power of a generator that is driven by an internal combustion engine; and a power generation control device which reduces the amount of fuel to be consumed for power generation of the internal combustion engine. The power generation control device includes: a unit which sets an operating range that is small in the amount of fuel to be consumed for an increase in torque of the internal combustion engine; a unit which sets electric power with high power generation efficiency to a target value of power generation electric power according to rotation speed and power generation voltage of the generator; and a unit which controls so that the amount of power generation of the generator is a target value when the operating point of the internal combustion engine is in the operating range.

Vehicular power generation system and power generation control method for the same

The present invention is to provide a wireless communication system that is capable of preventing occurrence of radio interference caused by radio wave used by a radio wave generator without requiring any improvement of existing wireless devices. The wireless communication system of the present invention includes: a radio wave generator () that uses at least a radio wave in a frequency band that overlaps a frequency band used by a wireless standard; and wireless devices (AP, STA) each of which uses a radio wave conforming to the wireless standard. The radio wave generator () transmits a dummy frame conforming to the wireless standard to the wireless devices near the radio wave generator () before generating the radio wave in the same frequency band as the frequency band used by the wireless standard. When the wireless devices (AP, STA) receive the dummy frame, the wireless devices (AP, STA) control themselves to stop using the radio wave in the frequency band that has radio interference caused by the radio wave generated from the radio wave generator ().

Growing community of inventors

Tokyo, Japan

Hideaki Tani