Nissan Motor Company Limited

Sony Corporation

Organo Corporation

Mitsubishi Chemical Corporation

Mitsubishi Heavy Industries Thermal Systems, Ltd.

Mitsubishi Heavy Industries Automotive Thermal Systems Co., Ltd.

Mitsubishi Tanabe Pharma Corporation

Kyosan Electric Mfg. Co., Ltd.

Du Pont Toray Company Limited

Social System Development Laboratory Co., Ltd.

Hideo Nakamura

Kazuhiko Tazoe

Hiroyuki Ashizawa

Hiroshi Inoue

Koji Yamanaka

Makio Tamura

Daijiro Yumoto

Shusaku Yoshida

Koji Nakano

Junji Tsutsumi

Hisafumi Asai

Shiho Umeki

Hiroki Sasaki

Hiroyuki Kamitani

Satoshi Segawa

Masatoshi Morishita

Shunsuke Yakushiji

Keiji Nagasaka

Teruo Sato

Jicheng Zhang

Hidetoshi Suzuki

Hiroshi Takahashi

Makoto Kimura

Keisuke Suzuki

Toshimi Abo

Mitsuo Ohsawa

Akira Higashimata

Nobutaka Takahashi

Masahiko Asai

Osamu Hamada

Yoshiki Yasuno

Hisao Takayanagi

Akira Hirai

Kengo Fujiwara

Yutaka Kaneko

Hiromichi Kawamura

Yasutoshi Nanyoshi

Yasunori Kitano

Akira Iga

Tomonori Itagaki

Jun Motosugi

Masakazu Sone

Hiroto Hara

Naoki Nishikawa

Kaoru Tatsumi

Koichi Sugawara

Akira Asano

Yosuke Fukunaga

Seijiro Kotooka

Shuu Izumi

Akihiro Takemiya

Masahiro Nakajo

Hisae Oshima

Tomotaka Yanagi

Mami Mochizuki

Hideaki Yonezawa

Yuichirou Shimizu

Junzo Sunamoto

Hiroshi Shiku

Yoshihiro Iijima

Mitsuhiro Shoji

Tetsuya Takata

Toshiko Oshino

Masashi Matsuyama

An information transmission system includes a ground system provided to a track and an onboard system installed in a train. The ground system includes two (M=2) track antennae selected from N types of track antennae with different resonance frequencies. The two track antennae are arranged side by side in a left and right direction relative to a traveling direction of the train. When the train passes through a position where the ground system is provided, the onboard system detects the two track antennae at once and can determine the resonance frequencies of the track antennae.

Onboard system, ground system, and information transmission system

A drive apparatus providing a heat source and driving a switching element, along with a corresponding method of using the drive apparatus. The switching element includes a transistor having a high-heat resistant semiconductor including silicon carbide. The drive apparatus is provided with a voltage adjusting unit that varies a drive voltage to be applied to a conduction control terminal of the switching element in order to put the switching element in an ON state, and the voltage adjusting unit applies, as the drive voltage, a voltage in an active region of the transistor to the conduction control terminal.

Apparatus and method for driving a switching element, and a vehicle air-conditioning apparatus

A refrigerant heating performance is increased while suppressing an increase in weight or cost. A vehicle air-conditioning device () is provided with a heat pump cycle () for heating operation in which an electric compressor () for compressing refrigerant, a vehicle-cabin-interior condenser (), a throttle (), and a vehicle-cabin-exterior heat exchanger () are connected in that order via refrigerant piping. An inverter for the electric compressor () in which a power element comprising a highly heat-resistant semiconductor device is used is disposed on the electric compressor () so that the refrigerant compressed by the electric compressor () can be heated by the power element. During heating operation of the heat pump cycle (), the refrigerant is heated by the power element.

Vehicle air conditioning device, electric compressor, and vehicle air conditioning method

An electric compressor comprises: a boost converter configured to boost a voltage output from a direct current power supply; an inverter configured to convert the power boosted by the boost converter to an alternating current power; and a motor configured to rotate the electric compressor using the AC power output from the inverter. In the electric compressor, the boost converter and the inverter are provided on the same circuit board, housed in the same inverter case, and cooled by a coolant flowing into the electric compressor. The electric compressor is thereby obtained in which the device size can be prevented from increasing even when the boost converter configured to boost a low voltage from the DC power supply is installed.

Electric compressor

To provide a medical printer () that can cut a roll sheet (P) by pulling the roll sheet (P) in any of an up direction and a down direction. There is provided a medical printer including: a main body () that accommodates a roll sheet; a movable section () including a front panel (A) that covers a front face, the movable section being capable of opening and closing against the main body; a first cutting section () provided on the movable section, and configured to cut the roll sheet ejected from an ejection port () defined by the main body and the movable section; and a slide section configured to slide the front panel or the first cutting section in a radial direction with respect to a rotation center of the movable section in accordance with open and closed states of the movable section.

Medical printer

A battery state estimating device being one aspect of the present invention detects a current and a terminal voltage of a secondary battery, estimates a terminal voltage of the secondary battery which is based on a predetermined battery model by using measured values I(k) and V(k) respectively of the detected current and the detected terminal voltage, and sequentially identifies a parameter &#x3c6;^(k) of the battery model in such a way that the difference between a value based on the measured value of the terminal voltage and an estimate value of the terminal voltage converges to zero. Then, when a certain parameter &#x3c6;in the identified parameter is equal to or larger than a predetermined first threshold &#x3b4;1, the battery state estimating device performs upper limit processing of setting the value of the certain parameter &#x3c6;to the first threshold &#x3b4;1.

Battery state estimating device and battery state estimating method

An object is to perform discharge of a capacitor using a motor without rotating the motor even when connected to a position sensorless motor. The motor drive apparatus calculates a voltage pulse width at which a motor does not rotate or vibrate using a both-end voltage of a smoothing capacitor and an inductance estimation value of the motor, and applies a voltage with the voltage pulse width to the motor to calculate an inductance. Then, a rotor position is estimated using the inductances calculated for individual switching patterns. A motor current is caused to flow on the basis of the estimated rotor position to perform discharge of charge accumulated in the smoothing capacitor.

Motor drive apparatus and discharge control method of the same

Disclosed is a three-phase AC induction motor control device for controlling a torque based on a two-axis orthogonal coordinate system in synchronization with a power supply angular frequency, the control device including: a non-interference controller configured to receive a motor rotation speed, a torque command value, and a power supply voltage as an input and compute a torque axis non-interference compensation voltage and a magnetic flux axis non-interference compensation voltage by referencing a map stored in advance; and a non-interference magnetic flux response filter configured to perform filtering, including a direct transfer term and a rotor magnetic flux response delay, for the torque axis non-interference compensation voltage.

Three-phase AC induction motor control device and three-phase AC induction motor control method

A motor control device includes a switching element that controls a motor, a current control part that outputs a PWM signal for driving the switching element, and a setting part that sets a carrier frequency of the PWM signal. Further, a motor control part includes a torque ripple compensation part that sets a torque ripple compensation value based on a motor torque command value, the carrier frequency, and a rotation state of the motor. The current control part outputs the PWM signal based on the motor torque command value and the torque ripple compensation value.

Motor control device and motor control method

A control devicefor an electric motor of the present invention includes: a current control unitconfigured to calculate voltage command values v*, v* used to drive an electric motor, on the basis of a state quantity for voltage command value calculation and q and d-axis current detection values i, i, the state quantity calculated from a torque command value T*; and an over-modulation processing unitconfigured to determine whether the electric motoris stable or unstable in an over-modulation state, on the basis of the voltage command values v*, v*, current control constants, and electric motor constants, and to drive the electric motorin the over-modulation state when determining that the electric motoris stable.

Control device for electric motor and control method for electric motor

An object of the present invention is to provide a battery state estimation device and a battery state estimation method which identify parameter of a secondary battery with high accuracy. A current and a terminal voltage of secondary battery are detected, then by using the current measured value and terminal voltage measured value thus detected, the terminal voltage of secondary battery based on predetermined battery model is estimated, and the parameter of the secondary battery is identified such that a difference between terminal voltage measured value and voltage estimated value is converged to zero. In the identifying of parameter of secondary battery, the terminal voltage measured value and terminal voltage estimated value are subjected to filter treatment by low pass filter having a common high frequency breaking characteristic and the terminal voltage measured value and terminal voltage estimated value subjected to the filter treatment are used.

Battery state estimation device and battery state estimation method

A battery charging control device for controlling a power generation device installed in an electric vehicle sets a battery energy management area using a current position of a host vehicle as a reference, detects at least one travelable route within the battery energy management area, calculates a battery energy management upper limit value and a battery energy management lower limit value on the basis of a maximum value and a minimum value of energy values required to travel to respective points on the travelable route from the current position, and calculates a battery energy management width by subtracting the management lower limit value from the management upper limit value. When the battery energy management width is not within a predetermined range, the battery energy management area is modified so as to enter the predetermined range. As a result, battery charging is controlled such that a magnitude relationship between the battery energy management upper limit value and the battery energy management lower limit value does not reverse.

Battery charging control device and battery charging control method for electric vehicle

Provided is a glove which has good adhesiveness to a rubber or resin coating material and excellent durability and further fits a hand well enabling good work efficiency. The glove is knitted from a covered yarn obtained by winding a sheath yarn around a core yarn and at least a part of the surface thereof is coated with a rubber or resin coating material, wherein the sheath yarn is a crimped yarn made of a high strength fiber having, as a property of a raw yarn, a tensile strength of 1.75 N/tex or more as measured according to JIS L 1013 8.5, and the crimped yarn simultaneously satisfies the following (1) to (3): (1) a degree of bulkiness of 40 cm/g or more as measured according to JIS L 1013 8.16 A method after hot water treatment at 90&#xb0; C. for 20 minutes, (2) a bulk compression modulus of 80% or more as measured according to the same method, and (3) a shrinkage/elongation ratio of 20% or more as measured according to JIS L 1013 8.11 A method.

Resin-coated glove

The present invention can provide a cancer treatment drug containing, as an active ingredient, a substance selected from the group consisting of an indazole compound of the following formula (I), a pharmaceutically acceptable salt, a hydrate, a water adduct and a solvate: 

Indazole compound and pharmaceutical use thereof

An inputtable/outputtable power estimating device and method that can correctly estimate maximum inputtable and/or outputtable power of a secondary battery that can continue for a prescribed period of time. When the secondary battery is continuously charged or discharged for a prescribed period of time, the estimated value of a maximum possible charge and/or discharge current is estimated such that the terminal voltage of the secondary battery reaches a predetermined upper limit voltage or lower limit voltage. The inputtable and/or outputtable power is estimated as the power that can be used to charge the secondary battery or be discharged from it on the basis of the estimated maximum possible current(s) and the respective upper limit voltage or lower limit voltage.

Device and method for estimating the inputtable/outputtable power of a secondary battery

Growing community of inventors

Yokohama, Japan

Hideo Nakamura