Patents by Inventor Taichi Kumagai

Taichi Kumagai has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20240111307
    Abstract: A movement control system (1000) includes at least one moving body (1), a sensor (3) configured to transmit movement region information related to a movement region of the moving body, a route generating unit (440) configured to generate a route for the moving body to move through the movement region, based on the movement region information received via a network, and a moving body control unit (450) configured to control movement of the moving body, based on the route. The route generating unit is configured to generate an avoidance route for avoiding a second region including a first region representing a position of an object existing in the movement region and a surrounding region at the first region. The moving body control unit is configured to control the moving body based on the avoidance route.
    Type: Application
    Filed: February 17, 2021
    Publication date: April 4, 2024
    Applicant: NEC Corporation
    Inventor: Taichi Kumagai
  • Publication number: 20240103544
    Abstract: A conveyance system (1) according to the present disclosure includes: a conveyance vehicle (10) that conveys an object based on a first traveling path; a sensor (20) that transmits information regarding a position of the conveyance vehicle (10) via a network; a communication unit (32) that can communicate with the conveyance vehicle (10) and the sensor (20); and a control unit (31) that controls the conveyance vehicle (10) via the communication unit (32). The control unit (31) determines a second traveling path based on the information regarding the position of the conveyance vehicle (10) and corrects a traveling trajectory of the conveyance vehicle (10) based on the first traveling path and the second traveling path.
    Type: Application
    Filed: February 5, 2021
    Publication date: March 28, 2024
    Applicant: NEC Corporation
    Inventors: Taichi Kumagai, Shinya Yasuda
  • Publication number: 20240069553
    Abstract: A mobile body control system (1A) according to the present disclosure includes a mobile body (10), and a control unit (20) configured to control the mobile body (10), a receiving unit (30) configured to receive control information from the control unit (20), and a path specifying unit (40) configured to specify a path of the mobile body (10) based on the control information. The path specifying unit (40) corrects, according to a distance between the mobile body (10) and an obstacle, the path of the mobile body (10) to such a path that the mobile body (10) evades a hazardous area including an area around the obstacle.
    Type: Application
    Filed: March 25, 2021
    Publication date: February 29, 2024
    Applicant: NEC Corporation
    Inventor: Taichi Kumagai
  • Publication number: 20230315113
    Abstract: In order to provide a moving body control system, a control apparatus, and a moving body control method that can control travel distance in returning to a target path, the moving body control system includes a moving body and a control apparatus configured to control the moving body to follow a target path, wherein the control apparatus is configured to: calculate distance until shifting the moving body to an asymptotic-orbit for the target path by turning the moving body, at each of one or more candidate center-of-gravity velocities of the moving body, based on a position of the moving body and an angle between a moving direction of the moving body and the target path; and determine a target center-of-gravity velocity of the moving body from the one or more candidate center-of-gravity velocities based on the calculated distance.
    Type: Application
    Filed: July 21, 2020
    Publication date: October 5, 2023
    Applicant: NEC Corporation
    Inventors: Taichi KUMAGAI, Hiroshi Yoshida
  • Patent number: 11762389
    Abstract: A transport system that transports a transport object in a state sandwiching the transport object between two transport robots, wherein the transport robot comprises: a main body; wheels; a drive part(s); a contact part; and a rotation mechanism, and wherein using hardware resources, the following processings are executed, the following processings comprising: predicting an orbit of a first transport robot arranged in front of the transport object; and predicting an orbit of a second transport robot so that the second transport robot pushes the transport object from outside of the orbit of the first transport robot in a curve based on the predicted orbit of the first transport robot, the second transport robot arranged behind the transport object.
    Type: Grant
    Filed: September 9, 2019
    Date of Patent: September 19, 2023
    Assignee: NEC CORPORATION
    Inventors: Takayuki Suzuki, Taichi Kumagai, Hiroshi Yoshida
  • Publication number: 20230288944
    Abstract: Among a plurality of transportation systems manufactured by different manufacturers, when a collision avoidance function activates with respect to a transportation device belonging to a first transportation system and a transportation device belonging to a second transportation system, the transportation time becomes longer than initially expected and the transportation efficiency decreases. A transportation system includes a first transportation device used for work involving transportation of goods, and a control device. The control device is provided with: a prediction unit for predicting, based on progress information representing the progress of work, the state of travel of a second transportation device used for the work; a determining unit for determining a travel plan for the first transportation device according to the state of travel of the second transportation device predicted by the prediction unit; and a control unit for controlling the first transportation device based on the travel plan.
    Type: Application
    Filed: May 14, 2020
    Publication date: September 14, 2023
    Applicant: NBC Corpotation
    Inventors: Taichi Kumagai, Hiroshi Yoshida, Shinya Yasuda
  • Patent number: 11579615
    Abstract: A remote control apparatus performs: calculating a path and a moving speed to reach a desired destination from a current position of the control target apparatus; measuring a communication delay time between the remote control apparatus and the control target apparatus; estimating an overshoot region based on the communication delay time, a stored size of the control target apparatus, and the moving speed; predicting whether the control target apparatus will contact with a peripheral object(s), based on the path, the overshoot region, and stored peripheral object information of the control target apparatus; calculating the moving speed information to be given to the control target apparatus so that a moving direction of the control target apparatus changes by a predetermined value or more when predicted that the control target apparatus will contact with a peripheral object(s); and transmitting a control signal including the moving speed information to the control target apparatus.
    Type: Grant
    Filed: November 7, 2018
    Date of Patent: February 14, 2023
    Assignee: NEC CORPORATION
    Inventors: Taichi Kumagai, Hiroshi Yoshida
  • Publication number: 20220342422
    Abstract: In order to appropriately determine whether or not a moving body can pass through a passage in a target range for generating a movement path, a passability determination apparatus 100 includes: an obstacle detection section 153 configured to detect a passage obstacle obstructing passage of a moving body 50, based on image information obtained by imaging a target range for generating a movement path for the moving body 50; a determination section 155 configured to determine passability for the moving body through a passage area included in the target range, based on detection of the passage obstacle; and a transmission processing section 157 configured to send passability information related to the passability for the moving body 50, to a movement path generation apparatus 200 generating the movement path.
    Type: Application
    Filed: September 16, 2020
    Publication date: October 27, 2022
    Applicant: NEC Corporation
    Inventors: Shinya YASUDA, Taichi KUMAGAI, Hiroshi YOSHIDA
  • Publication number: 20220334593
    Abstract: In order to transport an object appropriately by one or more transport apparatuses, a transport control apparatus 100 includes: an obtaining section 121 configured to obtain operation information related to operation of an object 200 in response to first control information for controlling one or more transport apparatuses 301 and 302 transporting the object 200; and an identifying section 123 configured to identify second control information used for controlling the one or more transport apparatuses 300, based on the operation information related to the operation of the object 200 in response to the first control information.
    Type: Application
    Filed: September 30, 2019
    Publication date: October 20, 2022
    Applicant: NEC Corporation
    Inventor: Taichi KUMAGAI
  • Publication number: 20220326716
    Abstract: In order to efficiently moves, a moving body which moves in response to a rotary motion of a caster, a movement control apparatus 100 includes: an obtaining section 111 configured to obtain information related to a state of a moving body 200 which moves in response to a rotary motion of a caster 210 having a swivel wheel 211 with an eccentric structure; a direction determination section 120 configured to determine a wheel advancing direction of the caster 210 based on the state information related to the state of the moving body 200; and a control section 130 configured to control for causing the moving body 200 to accelerate in a second advancing direction different from a first advancing direction which is based on a target moving path for the moving body 200, depending on the result of the determination.
    Type: Application
    Filed: September 27, 2019
    Publication date: October 13, 2022
    Applicant: NEC Corporation
    Inventor: Taichi KUMAGAI
  • Publication number: 20220317704
    Abstract: In order to provide a transport system that smoothly transports a wide variety of articles, the transport system includes a first transport robot, a second transport robot, a generation apparatus, and a control apparatus. The first transport robot and the second transport robot transport an article. The generation apparatus generates position information for the first transport robot and position information for the second transport robot. The control apparatus transmits, to the first transport robot and the second transport robot, control information for transporting the article with the first transport robot and the second transport robot, based on the position information for the first transport robot and the position information for the second transport robot.
    Type: Application
    Filed: July 21, 2020
    Publication date: October 6, 2022
    Inventors: Hiroshi YOSHIDA, Taichi KUMAGAI, Shinya YASUDA
  • Publication number: 20220291696
    Abstract: In order to provide a transport system that facilitates input of information related to movements of articles, the transport system includes a transport robot, a control apparatus, and a terminal. The transport robot transports an article. The control apparatus controls the transport robot. The terminal inputs information related to the transport of the article. The control apparatus identifies a transport destination of the article, based on the information related to the transport of the article obtained from the terminal. The control apparatus performs control to transport the article to the identified transport destination. The terminal may transmit first position information and second position information to the control apparatus, and the control apparatus may control the transport robot such that the article existing in a place corresponding to the first position information is transported to a place corresponding to the second position information.
    Type: Application
    Filed: August 20, 2020
    Publication date: September 15, 2022
    Applicant: NEC Corporation
    Inventors: Ryusuke TSUSHIMA, Junichiro TSUCHIYA, Hiroshi YOSHIDA, Shinya YASUDA, Taichi KUMAGAI
  • Publication number: 20220050464
    Abstract: A transport system that transports a transport object in a state sandwiching the transport object between two transport robots, wherein the transport robot comprises: a main body; wheels; a drive part(s); a contact part; and a rotation mechanism, and wherein using hardware resources, the following processings are executed, the following processings comprising: predicting an orbit of a first transport robot arranged in front of the transport object; and predicting an orbit of a second transport robot so that the second transport robot pushes the transport object from outside of the orbit of the first transport robot in a curve based on the predicted orbit of the first transport robot, the second transport robot arranged behind the transport object.
    Type: Application
    Filed: September 9, 2019
    Publication date: February 17, 2022
    Applicant: NEC Corporation
    Inventors: Takayuki SUZUKI, Taichi KUMAGAI, Hiroshi YOSHIDA
  • Publication number: 20220050465
    Abstract: A transport system transports a transport object in a state sandwiching the transport object between a plurality of transport robots, wherein the transport robot comprises: a main body; wheels; a rotation mechanism that makes a contact part rotatable relative to the main body; a drive part(s) mounted on the main body and driving the wheels; a load sensor detecting a load when the contact part contacts the transport object; and an angle sensor that detects a rotation angle of the contact part relative to the main body, wherein using hardware resources, processings are executed to control the drive part so that load and rotation angle approach a first target value and a second target value based on information of a load and a rotation angle detected by the load sensor and the angle sensor.
    Type: Application
    Filed: September 9, 2019
    Publication date: February 17, 2022
    Applicant: NEC Corporation
    Inventors: Taichi KUMAGAI, Hiroshi YOSHIDA
  • Publication number: 20210181751
    Abstract: A remote control apparatus performs: calculating a path and a moving speed to reach a desired destination from a current position of the control target apparatus; measuring a communication delay time between the remote control apparatus and the control target apparatus; estimating an overshoot region based on the communication delay time, a stored size of the control target apparatus, and the moving speed; predicting whether the control target apparatus will contact with a peripheral object(s), based on the path, the overshoot region, and stored peripheral object information of the control target apparatus; calculating the moving speed information to be given to the control target apparatus so that a moving direction of the control target apparatus changes by a predetermined value or more when predicted that the control target apparatus will contact with a peripheral object(s); and transmitting a control signal including the moving speed information to the control target apparatus.
    Type: Application
    Filed: November 7, 2018
    Publication date: June 17, 2021
    Applicant: NEC Corporation
    Inventors: Taichi KUMAGAI, Hiroshi YOSHIDA
  • Publication number: 20200409393
    Abstract: To enable flexibly altering the configuration of an unmanned aircraft, the remote-control device is provided with: a receiving part which receives, via a communication network, sensor information transmitted from one or more mobile objects; a control unit that calculates, on the basis of the received sensor information and attitude control information that pertains to attitude control of a collective including as inputted elements at least one mobile object and that is set on the basis of configuration information pertaining to the configuration of the collective, a control manipulation quantity for manipulating the mobile objects, and generates a control signal including the control manipulation quantity; and a transmission part which transmits the generated control signal to the mobile objects.
    Type: Application
    Filed: March 18, 2019
    Publication date: December 31, 2020
    Applicant: NEC CORPORATION
    Inventors: Taichi KUMAGAI, Hiroshi YOSHIDA
  • Publication number: 20170201909
    Abstract: A wireless parameter control device of the present invention includes: a traffic load acquirer that acquires first load information indicating a traffic load of a first wireless cell, and second load information indicating a traffic load of a second wireless cell located around the first wireless cell; a first calculator that calculates a first indicator indicating an average characteristic of user throughputs of wireless terminals in the first wireless cell and the second wireless cell, using the first load information and the second load information; a second calculator that calculates a second indicator indicating fairness of user throughput of the wireless terminal in the first wireless cell and the second wireless cell, using the first load information and the second load information; and a wireless parameter controller that controls a wireless parameter of the first wireless cell according to the first indicator and the second indicator.
    Type: Application
    Filed: June 2, 2014
    Publication date: July 13, 2017
    Inventors: Kosei KOBAYASHI, Taichi KUMAGAI
  • Patent number: 9622169
    Abstract: [Technical problem] To provide a power-save operation supporting apparatus, a power-save operation supporting method, a storage medium and a base station which can reduce power consumption of a wireless access network with restraining emergence of an area whose service quality is degraded. [Solution to problem] The power-save operation supporting apparatus includes an estimation means to estimate degree of degradation of the service quality which is caused in the case that power-save control is carried out to any base station, and a selection means to select the base station as a candidate base station, to which the power-save control should be carried out, in the case that the degree of the degradation of the service quality is not higher than a predetermined reference.
    Type: Grant
    Filed: December 14, 2010
    Date of Patent: April 11, 2017
    Assignee: NEC CORPORATION
    Inventor: Taichi Kumagai
  • Publication number: 20120289269
    Abstract: [Technical problem] To provide a power-save operation supporting apparatus, a power-save operation supporting method, a storage medium and a base station which can reduce power consumption of a wireless access network with restraining emergence of an area whose service quality is degraded. [Solution to problem] The power-save operation supporting apparatus includes an estimation means to estimate degree of degradation of the service quality which is caused in the case that power-save control is carried out to any base station, and a selection means to select the base station as a candidate base station, to which the power-save control should be carried out, in the case that the degree of the degradation of the service quality is not higher than a predetermined reference.
    Type: Application
    Filed: December 14, 2010
    Publication date: November 15, 2012
    Applicant: NEC CORPORATION
    Inventor: Taichi Kumagai