Patents Assigned to Mitsubishi Logisnext Co., LTD.
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Publication number: 20240044650Abstract: A bias estimation device includes a determination unit configured to determine whether a forklift is stationary based on a measurement value from a first sensor configured to detect information regarding movement of the forklift and a measurement value from a second sensor configured to detect information regarding a cargo handling device included in the forklift, an accumulation unit configured to accumulate an IMU measurement value that is a measurement value from an inertial measurement unit included in the forklift when the determination unit determines that the forklift is stationary and stop accumulation of the IMU measurement value when the determination unit determines that the forklift is not stationary, and a calculation unit configured to calculate a bias of the IMU measurement value based on the IMU measurement value accumulated in the accumulation unit.Type: ApplicationFiled: April 17, 2023Publication date: February 8, 2024Applicant: Mitsubishi Logisnext Co., Ltd.Inventors: Katsumasa KITAJIMA, Yusuke KINOUCHI, Masahiro YAMADA, Takumi FUJITA, Takuya AKASHI
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Publication number: 20230391594Abstract: A remote operation system 1 includes: an image capturing device 20, provided at a forklift F; a head-mounted type image display device 10, mounted to a head of an operator O; a command reception device 11, receiving a remote operation command by the operator O; and a synthesized remote image generation device 12A, obtaining a content of the remote operation command received by the command reception device 11, an action state of the forklift F acting according to the remote operation command, and a remote image captured by the image capturing device 20, and generating a synthesized remote image by synthesizing a command display image indicating the content of the remote operation command and an action display image indicating the action state of the forklift F into the remote image. The head-mounted type image display device 10 displays the generated synthesized remote image before eyes of the operator O.Type: ApplicationFiled: August 2, 2022Publication date: December 7, 2023Applicant: Mitsubishi Logisnext Co., Ltd.Inventor: Keisuke KIWATA
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Patent number: 11814274Abstract: A forklift includes: an armrest that is provided at a driver's seat of a vehicle and is moved between a non-operation position and an operation position by a movable mechanism; a steering member that outputs an operation signal in response to a steering operation; a steering device that changes a steering angle of steering wheels of the vehicle; a control unit that changes the steering angle according to the operation signal; and an armrest detection unit that detects whether the armrest is at the non-operation position or at the operation position in which when the armrest detection unit detects that the armrest is at the non-operation position, the control unit controls the steering device or the steering member such that the steering device does not change the steering angle even if the steering member is operated.Type: GrantFiled: December 27, 2018Date of Patent: November 14, 2023Assignee: Mitsubishi Logisnext Co., Ltd.Inventor: Hidekazu Yasukochi
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Patent number: 11813979Abstract: The disclosure provides a vehicle approach notification device and a picking truck. The vehicle approach notification device includes a first illumination portion provided on a cab capable of elevation; a second and a third illumination portion provided on a vehicle body incapable of elevation; and a control unit that (1) turns on the first illumination portion and off other illumination portions when a travel state of the vehicle body is backward travel and an elevation position is lower than a predetermined threshold value; (2) turns on the second illumination portion and off other illumination portions when the travel state is backward travel and the elevation position is equal to or higher than the threshold value; (3) turns on the third illumination portion and off other illumination portions when the travel state of vehicle is forward travel; and (4) turns off all illumination portions when the travel state is travel stop.Type: GrantFiled: February 13, 2023Date of Patent: November 14, 2023Assignee: Mitsubishi Logisnext Co., Ltd.Inventor: Ryohei Terao
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Patent number: 11802032Abstract: A processing device includes: a calculation unit that is configured to detect a position of an object that is a possible obstacle to a vehicle; a first detection unit that is configured to detect a direction of a line of sight of a driver of the vehicle; a decision unit that is configured to decide an aspect of an alarm on the basis of the position and the direction of the line of sight of the driver; and a control unit that is configured to control a speaker corresponding to the position such that a sound of the aspect is output.Type: GrantFiled: February 19, 2021Date of Patent: October 31, 2023Assignee: Mitsubishi Logisnext Co., Ltd.Inventors: Naruhisa Kameo, Kiichi Sugimoto, Kenta Nakao, Satoshi Iio, Koji Shiizaki, Shogo Minami
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Patent number: 11745648Abstract: The disclosure provides a vehicle approach notification device and a picking truck. The vehicle approach notification device includes a first illumination portion provided on a cab capable of elevation; a second and a third illumination portion provided on a vehicle body incapable of elevation; and a control unit that (1) turns on the first illumination portion and off other illumination portions when a travel state of the vehicle body is backward travel and an elevation position is lower than a predetermined threshold value; (2) turns on the second illumination portion and off other illumination portions when the travel state is backward travel and the elevation position is equal to or higher than the threshold value; (3) turns on the third illumination portion and off other illumination portions when the travel state of vehicle is forward travel; and (4) turns off all illumination portions when the travel state is travel stop.Type: GrantFiled: February 13, 2023Date of Patent: September 5, 2023Assignee: Mitsubishi Logisnext Co., Ltd.Inventor: Ryohei Terao
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Patent number: 11739925Abstract: A forklift 1 as a cargo vehicle includes: a vehicle body 1A which an operator M gets on; and an image projection device 31, projecting an image related to vehicle information in a direction (left) in which the operator M alights to display the image on a road surface G. In addition, the forklift 1 further includes an alighting sensor that detects an alighting operation when the operator M alights. The image projection device 31 projects the image when the alighting sensor detects the alighting operation.Type: GrantFiled: August 2, 2022Date of Patent: August 29, 2023Assignee: Mitsubishi Logisnext Co., Ltd.Inventor: Kazumasa Kokura
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Publication number: 20230202815Abstract: A control method is for a mobile object that automatically moves in situation where signs each indicating a position are provided on a ceiling of a lateral area on a first direction side with respect to a parking area where a transportation vehicle is parked, along a second direction that intersects the first direction and that is along the parking area. The method includes acquiring positional information of the mobile object by causing the mobile object to detect at least one of the signs; causing the mobile object to move within the lateral area toward the second direction based on the positional information of the mobile object; and causing the mobile object to move toward the parking area by causing the mobile object to turn and move toward an opposite side to the first direction after causing the mobile object to move within the lateral area toward the second direction.Type: ApplicationFiled: November 10, 2022Publication date: June 29, 2023Applicant: Mitsubishi Logisnext Co., Ltd.Inventor: Kenji TAKAO
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Publication number: 20230205213Abstract: A control method for a mobile object is a control method for a mobile object that automatically moves. The control method includes detecting a position of a target object to be conveyed with respect to the mobile object, and acquiring, based on a detection result of the position of the target object, positional information on the target object indicating the position of the target object with respect to the mobile object in a state in which a fork disposed on the mobile object is inserted into a hole formed on the target object.Type: ApplicationFiled: September 29, 2022Publication date: June 29, 2023Applicant: Mitsubishi Logisnext Co., Ltd.Inventor: Kenji TAKAO
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Publication number: 20230202817Abstract: A control method is for a mobile object that automatically moves. The control method includes: acquiring positional information on a transport vehicle parked in a parking region including information on a position of a rear end portion of the transport vehicle, information on an attitude of the transport vehicle, and information on a length of the transport vehicle; setting a first path toward the transport vehicle based on the positional information on the transport vehicle; and causing the mobile object to move along the first path.Type: ApplicationFiled: November 10, 2022Publication date: June 29, 2023Applicant: Mitsubishi Logisnext Co., Ltd.Inventor: Kenji TAKAO
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Publication number: 20230139296Abstract: An initial setting method of an unmanned forklift is an initial setting method when the unmanned forklift is introduced in a facility including a rack structure, which includes placing a palette for adjustment on a palette placing part of the rack structure using the unmanned forklift on the basis of a preset operation program, acquiring relative position information between the palette for adjustment and the rack structure using a position information acquisition part included in the palette for adjustment, and calculating the shift amount of the palette for adjustment placed on the rack structure with respect to the palette placing part on the basis of the relative position information.Type: ApplicationFiled: October 25, 2022Publication date: May 4, 2023Applicant: Mitsubishi Logisnext Co., Ltd.Inventors: Naoto KAWAUCHI, Kensuke FUTAHASHI, Noriyuki HASEGAWA, Masayuki ISHIKAWA, Atsushi MINOBE, Masafumi MONCHI, Kenji NAKAYAMA, Kazuaki OKAI
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Publication number: 20230106964Abstract: A remote control system allows a forklift to be operated remotely in an intuitive and easy way even when an obstacle is present between the forklift and the object, The remote control system includes a guidance route display section that displays on a display unit a guidance route connecting the forklift and the object. The guidance route display section is configured to display a guidance route straightly connecting the forklift and the object if a judgement section judges that an obstacle is not present, or, if the judgement section judges that an obstacle is present, display a guidance route connecting the forklift and the object in a manner of avoiding the obstacle.Type: ApplicationFiled: March 23, 2022Publication date: April 6, 2023Applicant: Mitsubishi Logisnext Co., Ltd.Inventor: Akira Uro
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Publication number: 20230002204Abstract: The initial setting method for the unmanned forklift includes a step of acquiring a measurement value of floor surface inclination of a stop position where the unmanned forklift stops when the unmanned forklift unloads a palette on a rack, a step of setting the stop position where a predetermined inclination pattern is detected, as a precise adjustment position, from the acquired measurement value, a step of causing the unmanned forklift to unload the palette in accordance with an operation program, and measuring a deviation amount of the palette unloaded by the unmanned forklift, at the precise adjustment position, and a step of correcting a command value of the unmanned forklift at the stop position, based on the measured deviation amount.Type: ApplicationFiled: March 15, 2022Publication date: January 5, 2023Applicant: Mitsubishi Logisnext Co., Ltd.Inventors: Naoto Kawauchi, Kensuke Futahashi, Noriyuki Hasegawa, Masafumi Monchi, Koichi Saito
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Patent number: 11544937Abstract: A control device includes a specifying unit that specifies one of a plurality of detection objects on the basis of a state of an industrial vehicle when the plurality of detection objects are detected around the industrial vehicle, and a control unit that causes a notification to be performed for the one detection object specified by the specifying unit in an aspect different from those of other detected detection objects.Type: GrantFiled: April 9, 2020Date of Patent: January 3, 2023Assignee: Mitsubishi Logisnext Co., Ltd.Inventors: Shogo Minami, Koji Shiizaki, Akira Ando, Hajime Kodaira, Kiichi Sugimoto, Kenta Nakao, Satoshi Iio
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Publication number: 20220332554Abstract: A control method for a mobile object automatically moving includes: causing the mobile object to move along a first path; causing a sensor of the mobile object to detect a position and an attitude of a target object while the mobile object is moving along the first path; setting a second path up to a target position at which predetermined position and attitude with respect to the target object are achieved based on the position and the attitude of the target object; switching the first path to the second path to move the mobile object along the second path; executing optimization calculation based on an evaluation function, to set a third path; and switching the second path to the third path to move the mobile object along the third path.Type: ApplicationFiled: March 18, 2022Publication date: October 20, 2022Applicant: Mitsubishi Logisnext Co., Ltd.Inventors: Yasuo FUJISHIMA, Ryoji ARAKI, Kazushige TAKAKI, Kenji TAKAO, Yohei CHISHIKI
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Publication number: 20220262132Abstract: A control method for a mobile object that automatically moves includes: causing a sensor disposed on the mobile object to detect a target object multiple times to acquire detection results of respective detection processes performed by the sensor as a point group; estimating a position and an attitude of the target object for each detection process based on the point group; calculating reliability of accuracy in an estimation result of the position and the attitude of the target object for each detection process; selecting, from among estimation results of the respective detection processes, an estimation result used for setting an approach path to a target position at which a predetermined position and attitude with respect to the target object are achieved based on the reliability for each detection process; setting the approach path based on the selected estimation result; and causing the mobile object to move along the approach path.Type: ApplicationFiled: February 14, 2022Publication date: August 18, 2022Applicant: Mitsubishi Logisnext Co., Ltd.Inventors: Kenji TAKAO, Katsumasa KITAJIMA
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Publication number: 20220066464Abstract: A pallet detection device comprises: a point cloud acquisition unit configured to acquire point cloud data indicating a point cloud measured by a two-dimensional distance measurement device on a depth map; a straight line detection unit configured to detect a straight line corresponding to a front surface of a pallet based on the point cloud in a region presumed to include the front surface of the pallet in the point cloud data; a line segment detection unit configured to detect a line segment indicating the front surface of the pallet based on the straight line; and a position/orientation acquisition unit configured to acquire position and orientation of the pallet based on the line segment.Type: ApplicationFiled: August 13, 2021Publication date: March 3, 2022Applicant: Mitsubishi Logisnext Co., Ltd.Inventors: Kenji TAKAO, Takumi FUJITA, Katsumasa KITAJIMA, Yusuke KINOUCHI
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Publication number: 20210371261Abstract: A forklift includes: an armrest that is provided at a driver's seat of a vehicle and is moved between a non-operation position and an operation position by a movable mechanism; a steering member that outputs an operation signal in response to a steering operation; a steering device that changes a steering angle of steering wheels of the vehicle; a control unit that changes the steering angle according to the operation signal; and an armrest detection unit that detects whether the armrest is at the non-operation position or at the operation position in which when the armrest detection unit detects that the armrest is at the non-operation position, the control unit controls the steering device or the steering member such that the steering device does not change the steering angle even if the steering member is operated.Type: ApplicationFiled: December 27, 2018Publication date: December 2, 2021Applicant: Mitsubishi Logisnext Co., Ltd.Inventor: Hidekazu Yasukochi
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Publication number: 20210271246Abstract: An arithmetic device is an arithmetic device configured to output information to a moving object that automatically moves. The arithmetic device includes: a target object information acquisition unit configured to acquire, from a sensor provided in a place other than to the moving object, a detection result of position information of a target object, the position information being information related to position and orientation of the target object; a route setting unit configured to set, based on the position information of the target object, a route to a target position at which predetermined position and orientation relative to the target object are reached; and an information output unit configured to output information of the route to the moving object.Type: ApplicationFiled: February 22, 2021Publication date: September 2, 2021Applicant: Mitsubishi Logisnext Co., Ltd.Inventor: Kenji TAKAO
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Patent number: D930938Type: GrantFiled: May 17, 2019Date of Patent: September 14, 2021Assignee: MITSUBISHI LOGISNEXT CO., LTD.Inventors: Masahiro Yoshioka, Hiroaki Kumazawa