Toyota Jidosha Kabushiki Kaisha

Hitachi, Ltd.

Renesas Electronics Corporation

Mitsubishi Electric Corporation

Nissan Motor Company Limited

Nippon Telegraph and Telephone Corporation

Mitsubishi Heavy Industries Limited

Elpida Memory, Inc.

Asahi Kasei Kabushiki Kaisha

Asahi Kasei Chemicals Corporation

Hitachi Power Semiconductor Device, Ltd.

Yuki Mori

Ryuta Hashimoto

Naoki Tega

Digh Hisamoto

Hirotaka Hamamura

Yoshinobu Kimura

Hiroshi Miki

Yasuhiro Shimamoto

Hiroya Ohta

Takeshi Matsumura

Natsuki Tsuno

Tetsuo Takahashi

Naoki Watanabe

Koji Kimura

Naoki Nishimura

Hiroshi Morita

Toshiyuki Mine

Shigemasa Shiota

Masakazu Sagawa

Shuichi Tsukada

Kiyonori Oyu

Kenichi Ito

Shota Fujii

Akio Shima

Masato Suzuki

Kota Harada

Takahiro Seta

Ko Igarashi

Mieko Matsumura

Toshiyuki Ohno

Masashi Fujitsuka

Satoaki Takabatake

Takaaki Koyama

Toshiyuki Yamada

Atsuki Kinoshita

Takahiro Nakai

Renichi Yamada

Takamitsu Toyoura

Takahiro Kawano

Hiroyuki Okino

Ryuta Tsuchiya

Junichi Sakano

Eiki Kitagawa

Hiroyuki Yoshimoto

Yuji Kubo

Ryo Ogata

Haruka Shimizu

Tadashi Morishita

Junji Miyazaki

Yuki Yoshida

Keisuke Kobayashi

Shinsuke Asari

Yu Okada

Takeru Suto

Kumiko Konishi

Jun Miyoshi

Yoshihiro Itoh

Hiroyuki Matsushima

Tomoyoshi Ujii

Shuichi Tachihara

Naoki Yamasaki

Yutaka Eguchi

Keiichi Okabe

Ryosuke Machida

Shinichi Shibayama

Kazunori Ochiai

Naohiko Yoshizumi

Miho Konishi

Hajime Matsuura

Kaori Komatsu

The present disclosure provides a refrigeration cycle apparatus, including a compressor to compress a sucked refrigerant, a condenser to condense the refrigerant discharged from the compressor to exchange heat, a receiver to store the refrigerant discharged from the condenser, an evaporator to evaporate the refrigerant discharged from the receiver to exchange heat, an upstream expansion valve provided at a pipe between the condenser and the receiver, a downstream expansion valve provided at a pipe between the receiver and the evaporator, and a controller to control an opening degree of the upstream expansion valve and an opening degree of the downstream expansion valve in conjunction with each other so as to keep an opening degree ratio between the opening ratio of the upstream expansion valve and the opening ratio of the downstream expansion valve constant.

Refrigeration cycle apparatus and refrigeration cycle method

An electric connection inspection device includes: a cooling plate; an insulating plate provided on the cooling plate; a first measurement electrode provided on the insulating plate; and a second measurement electrode and a third measurement electrode provided above the first measurement electrode and located apart from the first measurement electrode. The insulating plate includes a variable thermal resistance mechanism. A semiconductor device can be installed between the first measurement electrode and the second measurement electrode and between the first measurement electrode and the third measurement electrode.

Energization inspection apparatus, method for manufacturing semiconductor device, and energization method

A vehicle control device has a processor configured to determine whether or not there exists a branching location where the vehicle is to exit from the traveling in a predetermined driving zone of a navigation route and, when a branching location exists, to determine whether or not a control transfer request zone exists in which the driver is to be given a request to transfer driving of the vehicle from automatic control to manual control, within a first distance on the branching road from the branching location, or a second distance on the traveling road from the branching location in the traveling direction of the vehicle, and when the control transfer request zone exists, to notify the driver via a notification unit, before the vehicle reaches the branching location, that the vehicle is to be moved from the traveling road to the branching road by manual control.

Vehicle control device, medium for storing computer program for vehicle control, and method for controlling vehicle

A vehicle control device has a processor configured to generate a first traveling lane plan representing the traveling lane in which the vehicle is traveling within a first driving zone of a navigation route, to generate a first lane change plan representing movement of the vehicle between lanes, based on the first traveling lane plan or on surrounding environment information and, when the first lane change plan has been generated, to determine whether or not there exists a control transfer request zone at less than a first reference distance from the location of the vehicle on the post-movement traffic lane, or a lane change schedule zone at less than a second reference distance, and the first lane change plan is cancelled when such a control transfer request zone or lane change schedule zone exists.

Vehicle control device for controlling lane change operation, medium for storing computer program for controlling vehicle lane change operation, and method for controlling vehicle lane change operation

A vehicle control device has a processor configured to determine whether a first road exists where the vehicle is to exit from the traveling road, and when a first road exists, to set a lane change schedule zone based on a first connecting location, to determine whether a second road located on the same side of the traveling direction of the vehicle as the first road exists between the current location of the vehicle and the first connecting location, to change a start location of the lane change schedule zone based on a second connecting location, when a second road exists and the start location of the lane change schedule zone is at a second connecting location, or before the second connecting location, and to notify the driver of the plan to move the vehicle between lanes while the vehicle is traveling in the lane change schedule zone.

Vehicle control device, storage medium for storing computer program for vehicle control, and method for controlling vehicle

A vehicle reducing unease of a driver during driver assistance, provided with a display device configured to display a surrounding vehicle together with a host vehicle at a relative position calculated by an object recognition device, display a mark showing that a lane change is planned to be performed at a predetermined space for performing a lane change in a destination driving lane which is a destination for a lane change when an automatic lane change is planned to be performed, and make a position of the mark change in accordance with the relative position of the surrounding vehicle when there is a surrounding vehicle present having an effect on a lane change in the destination driving lane.

Vehicle, display method, and non-transitory computer storage medium

A semiconductor device includes a processor unit, a memory storing a boot program, a reset controller and an address check unit. The reset controller controls a reset for the processor unit based on a reset request and outputs a boot address for the boot program to be executed after reset release to the processor unit. The address check unit performs a tampering check for the boot address output from the reset controller and outputs a boot address error signal based on a tampering check result.

Semiconductor device

In a SiC power MISFET having a lateral surface of a trench formed in an upper surface of a SiC epitaxial substrate as a channel region, a silicon carbide semiconductor device having low resistance, high performance, and high reliability is realized. As a means therefor, a SiC power MISFET is formed as an island-shaped unit cell on an upper surface of an n-type SiC epitaxial substrate that is provided with a drain region on a bottom surface thereof, the SiC power MISFET including: an n-type current diffusion region that surrounds a p-type body layer contact region and an n-type source region in the indicated order in a plan view; a p-type body layer and an n-type JFET region; a trench that is formed on the body layer so as to span between the source region and the current diffusion region adjacent each other in a first direction and extends in the first direction; and a gate electrode embedded in the trench with a gate insulating film therebetween.

Silicon carbide semiconductor device, power conversion device, three-phase motor system, automobile, and railway vehicle

A debug apparatus for performing allocation of target programs in which temperature is uniformized is provided. The debug apparatus receives temperature data measured by temperature sensors from a semiconductor device. The debug apparatus determines, as an analysis result of the temperature data, a CPU where the number of target programs executed is to be decreased and a CPU where the number of target programs executed is to be increased. The debug apparatus changes allocation of the target programs executed by a plurality of CPUs in the semiconductor device based on the analysis result of the temperature data.

Debug apparatus and recording medium

The present invention has an object to provide a refrigeration cycle apparatus. A refrigeration cycle apparatus according to the present invention includes: a compressor; and a control apparatus configured to calculate a rotation number command of the compressor. The control apparatus includes a capacity controller configured to calculate the rotation number of the compressor as a capacity rotation number, a protection controller configured to calculate the rotation number of the compressor as a protection rotation number and a rotation number selection unit configured to select any one of the capacity rotation number and the protection rotation number as the rotation number command of the compressor. The rotation number command of the compressor is calculated so that at least any one of causing the current capacity value to approach the capacity target value and causing the protection variable to approach the protection target value is satisfied.

Refrigeration cycle apparatus

An autonomous driving system configured to perform an autonomous driving of a vehicle includes a lane change determination unit configured to determine a necessity of an operation intervention for a lane change of the vehicle by a driver of the vehicle during the autonomous driving, a lane change request unit configured to request the driver to perform the operation intervention for the lane change of the vehicle when the lane change determination unit determines that it is necessary to perform the operation intervention for the lane change of the vehicle by the driver, and a mode switching unit configured to switch a steering torque mode for a lane keep control in the autonomous driving from a normal steering torque mode to a weak steering torque mode when the driver is requested to perform the operation intervention for the lane change of the vehicle.

Autonomous driving system

A vehicle control device has a processor configured to assess whether or not a lane change is necessary based on a scheduled route and surrounding environment information for a vehicle and select a traffic lane of the road, to produce a driving lane plan showing the scheduled driving lane, determine the notification priority representing the priority for notifying the driver of the planned lane change, based on at least one item from among the scheduled route, and the result of assessing whether or not the planned lane change is included in a plurality of continuous planned lane changes to be executed for a common purpose, when it has been planned to execute a lane change and suppress notification to the driver of planned lane changes with low notification priority compared to notification to the driver of planned lane changes with high notification priority, using a notification unit.

Vehicle control device and storage medium storing computer program for vehicle control

A vehicle control device comprises a processor configured to determine a target merge location where the vehicle is to make a lane change from a merging lane to a main lane, in a merge zone on a scheduled route where the merging lane merges with the main lane, as a location that is before the location at the minimum distance to the end point of the merging lane allowing the driver to whom control of the vehicle has been handed over to operate the vehicle for the lane change, and when the vehicle has not completed the lane change upon reaching the target merge location, give the driver a first notification notifying that control of the vehicle will be switched from automatic control to manual control, by using a notifying unit that notifies the driver of information, or by using a vehicle controlling device that controls operation of the vehicle to perform a predetermined operation of the vehicle.

Vehicle control device and storage medium which stores a computer program for vehicle control

An air-conditioning apparatus includes: room temperature sensors; room temperature setting units; a compressor that causes refrigerant to circulate through an outdoor heat exchanger, electric expansion valves, and indoor heat exchangers; a calculation unit including an integrator for a temperature deviation; an output unit that outputs a total opening degree; a calculation unit that uses a required capacity and the total opening degree; a derivation unit that obtains a distance function with a valve opening degree and a temporary valve opening degree as an evaluation function; a derivation unit that obtains equality constraints for equalizing the sum of opening degrees as a variable to the total opening degree; a calculation unit that calculates upper and lower limits of each opening degree; a derivation unit that obtains inequality constraints in which each opening degree falls within the range between the upper and lower limits; and a calculation unit that calculates the opening degrees from the evaluation function and the equality and inequality constraints, whereby the room temperature deviation can be made to approach the minimum value.

Air-conditioning apparatus and air-conditioning method

Growing community of inventors

Tokyo, Japan

Yuki Mori