Mitsubishi Electric Corporation

Mitsubishi Denki Kabushiki Kaisha

Masahiko Ikawa

Takashi Irie

Yuji Hamada

Yuji Igarashi

Yukio Goto

Hiroyuki Kumazawa

Yuko Ota

Yoshiaki Adachi

Ryusuke Kinoshita

Takashi Maeda

Hiroki Konaka

Katsuya Kawai

Yoshitsugu Sawa

Yoshiaki Tsuda

Shigeki Morita

Masatoshi Fujii

Takayoshi Takehara

Yuko Ohta

Norihiro Nishiuma

Kentaro Daikoku

Sadatoshi Nakamura

Hiroshi Araki

Takatoshi Tosa

Takuya Ishioka

Masashi Kitayama

Kazushi Shirasawa

Kazunori Washio

Yasuhiro Nishikawa

A driving assistance device includes processing circuitry to acquire host vehicle information, receive mobile object information from a mobile object outside the host vehicle using wireless communication, determinate a right or left turn of the host vehicle based on the host vehicle information, obtain a prediction point by calculating a right or left turn point of the host vehicle based on the host vehicle information, determine whether or not the host vehicle collides with the mobile object using the host vehicle information, the mobile object information, and the prediction point, and perform driving assistance of the host vehicle based on a result of the collision determination. The processing circuitry obtains the prediction point by calculating, on a basis of a preset deceleration, a distance required for the speed of the host vehicle HV included in the host vehicle information to reach a target speed set in advance.

Driving assistance device

A driving assistance device to properly recognize a relative positional relationship between mobile objects without the use of map information. The driving assistance device includes a relative position judgment section for judging a relative positional relationship of an object of interest and a first neighboring object relative to a second neighboring object, based on object-of-interest information and neighbor information, to make a judgment as a first judgment on a relative positional relationship between the object of interest and the first neighboring object, based on the aforementioned judgment result.

Driving assistance device and method that judge a target object based on neighboring objects

A vehicle position estimation apparatus according to the present invention includes a painted line recognition result processing unit configured to calculate whether the vehicle has made a lane change and a direction of the lane change when the vehicle has made the lane change, a vehicle lateral position calculating unit configured to calculate a lane where the vehicle is in travel and a vehicle lateral position that is a lateral position of the vehicle in the lane based on whether the vehicle has made the lane change, the direction of the lane change, and a lane connection relation, and an on-map vehicle position calculating unit configured to calculate an on-map position of the vehicle on the road based on a map information, the lane where the vehicle is in travel, the vehicle lateral position, and a forward travel distance.

Vehicle position estimation apparatus

A position estimation apparatus () acquires target information () regarding the position of a target body () and acquires neighboring information () regarding the position of a neighboring body, which is a movable body different from the target body (), from the neighboring body. The position estimation apparatus () determines, as a primary area (), a relative area in which the neighboring body is estimated to be present from the target information () and the neighboring information (). The position estimation apparatus () calculates a probability of presence () of the neighboring body in each relative area from a plurality of the primary areas () determined within a reference period and determines, as a secondary area (), a relative area in which the neighboring body is estimated to be present on the basis of the probability of presence ().

Position estimation apparatus, position estimation method, and computer readable medium

A plurality of items of environmental information, which are used for distribution control of plural items of vehicle information that are received using wireless communication by an external communication device from a plurality of surrounding vehicles, are made into an environmental information list by an environmental information setting mechanism and managed. Based on the environmental information list, for the plural items of vehicle information received by the external equipment communication device, selection is performed using a dynamic filtering part of a dynamic distribution controller and distribution control is performed using the priority level according to a dynamic priority controller. A driving assistance device that receives this information assists a driver in driving, and environmental information set in the environmental information list is generated.

A travel-lane estimation system includes: a GNSS receiver; a vehicle-speed calculator; an angular-velocity measurement mechanism; a subject-vehicle-position positioner calculating a vehicle's reference coordinate and reference orientation from a GNSS coordinate, and calculating time series data of vehicle's positions; a map information storage storing positional information about a division line of each lane; and a lane estimator calculating, as an optimal correction amount, an error pattern having a highest posterior probability among plural error patterns, correcting the time series data using the optimal correction amount, and comparing the corrected time series data with the division line, to estimate a vehicle's travel lane, the posterior probability calculated with the product of prior occurrence probability of the time series data by the plural error patterns and a likelihood calculated, under condition that the error pattern has occurred, based on a relative positional relationship between the corrected time series data and the division line.

Travel-lane estimation system

An object of the present invention is to provide a roadside communication apparatus and an in-vehicle communication apparatus capable of reducing an increase in a traffic amount in a roadside-to-vehicle communication. A roadside communication apparatus according to the present invention includes: an inter-vehicle transmission-and-reception service processing unit transmitting and receiving a roadside-to-vehicle message and an inter-vehicle message; a communication transfer unit providing a transaction service and a transfer service; a roadside-to-vehicle application processing unit; an inter-vehicle application processing unit; a transmission-and-reception condition management unit managing a transmission-and-reception condition of an inter-vehicle message which the inter-vehicle application processing unit transmits to and receives from the communication device; and a roadside communication management unit managing a connection state with the communication device, wherein the roadside communication management unit manages a connection state with the communication device based on a reception condition of the inter-vehicle message notified by the transmission-and-reception condition management unit.

Roadside communication apparatus and in-vehicle communication apparatus

A vehicle air-conditioning system capable of reducing energy consumed during traveling while preventing a significant uncomfortable feeling of a user. An inside-vehicle environment predicting unit calculates, by using inside-vehicle sensor information and outside-vehicle sensor information being output from an environmental sensor device and a predicted travel time acquired by a predicted travel information acquisition unit, at least one predicted environmental characteristic which is an environmental characteristic inside a vehicle after a predicted travel time on an assumption that an air-conditioning device is operated in each of at least one candidate mode which has lower intensity than intensity of a selection mode among a plurality of operation modes. A mode controller resets the selection mode to one of the at least one candidate mode, in which the predicted environmental characteristic being within the allowable range is calculated by the inside-vehicle environment predicting unit.

Vehicle air-conditioning system

A technique controlling transmission and display of terminal information in accordance with a movement state and an operation state. A communication unit transmits terminal information including at least movement information of a communication apparatus to another communication apparatus, and receives other terminal information including at least movement information of the other communication apparatus from the other communication apparatus. A terminal information controller controls transmission of the terminal information from the communication unit to the other communication apparatus based on the movement state estimated by a movement-state estimation unit and the operation state managed by an operation-state management unit, and when it is determined on the basis of the terminal information and the other terminal information received by communication unit that an attention calling state has occurred, controls display information that causes a display to display attention calling information on the basis of the movement state and the operation state.

Communication apparatus, operation assistance apparatus, and operation assistance system

A route information acquisition unit acquires a waypoint information piece including a route information piece concerning a waypoint on a route from a departure place to a destination, from each external database device. A route reproduction unit reproduces each of acquired route information pieces in the format used in a route evaluation apparatus. On the basis of the evaluation criteria stored in an evaluation criterion storage unit, a route evaluation unit generates an evaluation result by calculating a time and a distance concerning a route including the waypoint represented by the waypoint information piece, and evaluates the route information pieces. A display control unit controls a display unit such that the display unit displays the generated evaluation result.

Route evaluation apparatus and route evaluation method

It is an object of the present invention to provide a destination estimating system and a destination estimating method capable of estimating a destination with a high degree of accuracy even when a user uses a detour or stops off somewhere. The destination estimating system of the present invention includes: obtaining a traveling area and a traveling link of a moving body; obtaining, as a traveling history, an area history for storing, for each area, information of a past destination to which the moving body has traveled via the area previously and a link history for storing, for each link, information of a past destination to which the moving body has traveled via the link previously; estimating, based on the traveling area and the area history, a value regarding a probability of traveling to the past destination as an area estimation value; estimating, based on the traveling link and the link history, a value regarding a probability of traveling to the past destination as a link estimation value; and estimating the destination from the past destination based on the area estimation value and the link estimation value.

Destination estimating system and destination estimating method

An object of the present invention is to provide a recommended-drive-pattern generation device that generates a recommended drive pattern with low energy consumption in consideration of actual drive of the user. A recommended-drive-pattern generation device of the present invention includes: a reference drive pattern generating unit that generates as a reference drive pattern a drive pattern in a past drive route from a drive history of a moving body; a speed limit point setting unit that sets a speed limit point within the drive route based on at least one of the reference drive pattern and road information of the drive route; and a recommended-drive-pattern generating unit that generates a recommended drive pattern for the drive route in which the speed limit point is passed at a speed not higher than a speed limit defined by the speed limit point.

Recommended-drive-pattern generation device and recommended-drive-pattern generation method

An object of the present invention is to provide a drive-pattern evaluation device for appropriately evaluating energy-saving performance of a drive pattern. A drive-pattern evaluation device of the present invention is a drive-pattern evaluation device which evaluates a past actual drive pattern of a moving body based on energy consumption, the device including: an energy-saving drive pattern generating unit that generates an energy-saving drive pattern in consideration of energy consumption with respect to an evaluation section of the actual drive pattern; an energy consumption estimating unit that estimates energy consumption by the energy-saving drive pattern as an estimated energy-saving consumption; and an eco-score calculator that compares energy consumption by the actual drive pattern in the evaluation section and the estimated energy-saving consumption, to evaluate the actual drive pattern based on the comparison result.

Drive-pattern evaluation device and drive-pattern evaluation method

An in-vehicle information processing device capable of efficiently processing information by extracting an event that exists outside of a travel route but can possibly reach the travel route. The in-vehicle information processing device includes a map database, a traffic information database, a vehicle position determination mechanism, a driving assist information extraction mechanism for extracting driving assist information, and a driving assist information database for storing the driving assist information. An aid information extraction mechanism includes a travel route determination mechanism for determining a vehicle travel route based on a vehicle position. The driving assist information extraction mechanism extracts the driving assist information from map information and traffic information on the travel route.

In-vehicle information processing device and driving assist device

A stopping vehicle estimating unit estimates one of a number of stopping vehicles and a length of a stopping vehicle line of different vehicles that are stopping at a traffic light along an estimated driving route ahead of the own vehicle closer to the traffic light than the own vehicle, based on a position information of a site at which a traffic light is provided, an own vehicle position, an own vehicle speed, and traffic information. A passable time zone estimating unit estimates a passable time zone during which the own vehicle is able to pass by the traffic light, based on the one of the number of stopping vehicles and the length of the stopping vehicle line that have been estimated by the stopping vehicle estimating unit, and on schedule information.

Growing community of inventors

Tokyo, Japan

Masahiko Ikawa