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公开(公告)号：US20250108844A1
公开(公告)日：2025-04-03
申请号：US18980912
申请日：2024-12-13
Applicant: BYD COMPANY LIMITED
Inventor： Xi ZHANG , Yedi XIAO , Chujun CHEN , Weihua LIU
Abstract: A train control method, based on a combined coordinate system, includes: obtaining a target combined coordinate system corresponding to a planned train path, the target combined coordinate system comprising a plurality of basic coordinate systems with boundary logic sections, and each of the basic coordinate systems forming a physical link relationship with another basic coordinate system of the basic coordinate systems through the boundary logic sections; obtaining position information of a train located in the planned train path sent by the train, and determining preceding train information of a preceding train preceding to the train based on the position information and the physical link relationships between the basic coordinate systems; and performing a train control strategy on the train based on the preceding train information.
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公开(公告)号：US20230111516A1
公开(公告)日：2023-04-13
申请号：US17914376
申请日：2020-11-23
Applicant: BYD COMPANY LIMITED
Inventor： Xiankuan LIU , Weihua LIU , Qiongying HE , Meimei XU
IPC: G08G1/0968 , G08G1/16
Abstract: The present disclosure relates to a vehicle scheduling method, apparatus, and system. The method includes: repeatedly performing following steps according to a preset scheduling period: receiving travelling information acquired by a target vehicle; searching, according to a global path of the target vehicle, a topological map for a target directional path matching the travelling information; determining a right-of-way node sequence of the target vehicle according to the target directional path and a coverage range of the target vehicle, where the right-of-way node sequence includes multiple right-of-way nodes, and the right-of-way nodes are nodes on the topological map; and determining right-of-way nodes matching the global path in the right-of-way node sequence as target right-of-way nodes in a case that each of the right-of-way nodes in the right-of-way node sequence is in a vacant state, and sending the target right-of-way nodes to the target vehicle, so that the target vehicle travels according to a path indicated by the target right-of-way nodes.
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公开(公告)号：US20230278609A1
公开(公告)日：2023-09-07
申请号：US18196224
申请日：2023-05-11
Applicant: BYD COMPANY LIMITED
Inventor： Kaikuo ZHUO , Chujun CHEN , Weihua LIU , Zhili WU , Ruixing TANG
Abstract: A method of consisting a train, includes: by a first vehicle, receiving the train consist control instruction transmitted by the train control device, where the train consist control instruction is configured to instruct the first vehicle for consisting the train; determining a second vehicle for consisting the train according to the train consist control instruction; detecting a first inter-vehicle distance between the first vehicle and the second vehicle; receiving a second inter-vehicle distance between the first vehicle and the second vehicle transmitted by the second vehicle, where the second inter-vehicle distance comprises a distance between the first vehicle and the second vehicle detected by the second vehicle; and in response to that a difference between the first inter-vehicle distance and the second inter-vehicle distance is less than or equal to a first distance threshold, controlling the first vehicle to couple to the second vehicle to consist the train.
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公开(公告)号：US20230086423A1
公开(公告)日：2023-03-23
申请号：US18071300
申请日：2022-11-29
Applicant: BYD COMPANY LIMITED
Inventor： Yuanyuan LI , Weihua LIU , Jinghui XIA
Abstract: The present disclosure provides a state testing method for a rail vehicle, an on-board controller, and a zone controller. The state testing method for a rail vehicle includes: receiving a rail vehicle wake-up instruction; performing an on-board controller self-test to obtain an on-board controller self-test result; receiving a vehicle self-test result; receiving rail vehicle position information; outputting a static test instruction according to the on-board controller self-test result, the vehicle self-test result, and the rail vehicle position information; receiving a static test result; outputting a dynamic test instruction according to the static test result and the rail vehicle position information; receiving a dynamic test result; and outputting dynamic test completion status information according to the dynamic test result, and updating the dynamic test completion status information to a determination as to a dynamic test condition of other rail vehicles adjacent to a rail vehicle in real time through the ZC.
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Patent Agency Ranking
公开(公告)号：US20250104441A1
公开(公告)日：2025-03-27
申请号：US18975979
申请日：2024-12-10
Applicant: BYD COMPANY LIMITED
Inventor： Meizhu CHEN , Chujun CHEN , Kaikuo ZHUO , Weihua LIU
Abstract: A vehicle detection method includes: acquiring point cloud data of a target detection area and image information of the target detection area; in response to determining, according to the point cloud data, that there is a target vehicle in the target detection area, determining a target vehicle type of the target vehicle according to the point cloud data; determining a target vehicle identifier of the target vehicle according to the image information; and comparing the target vehicle type and the target vehicle identifier with a legitimate-vehicle information database, so as to determine whether the target vehicle is an illegitimate vehicle.
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公开(公告)号：US20230278559A1
公开(公告)日：2023-09-07
申请号：US18144753
申请日：2023-05-08
Applicant: BYD COMPANY LIMITED
Inventor： Weihua LIU , Kaikuo ZHUO , Chujun CHEN , Ruixing TANG , Zhili WU
IPC: B60W30/16 , B60W30/14 , B60W30/09 , B60W40/105 , B60W40/107 , B60W10/18
CPC classification number: B60W30/16 , B60W10/18 , B60W30/09 , B60W30/143 , B60W40/105 , B60W40/107 , B60W2520/105 , B60W2554/802
Abstract: A method for controlling a vehicle, includes: acquiring current first vehicle state information of a first vehicle; determining a target vehicle distance according to the current first vehicle state information, where the target vehicle distance includes an inter-vehicle distance between the first vehicle and a second vehicle to enable synchronous control of the first vehicle and the second vehicle; determining a first target operating condition corresponding to the first vehicle according to the target vehicle distance and the current first vehicle state information; and receiving second vehicle operation information transmitted by the second vehicle, and adjusting the inter-vehicle distance to the target vehicle distance by controlling an operation of the first vehicle according to the first target operating condition and the second vehicle operation information.
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公开(公告)号：US20230192163A1
公开(公告)日：2023-06-22
申请号：US18113209
申请日：2023-02-23
Applicant: BYD COMPANY LIMITED
Inventor： Hang YAN , Kaikuo ZHUO , Weihua LIU
CPC classification number: B61L27/04 , G05B13/027
Abstract: A train control method includes: acquiring a current control level of the train and outputting the current control level to a train traction control system; acquiring current train operation data and calculating an evaluation score according to the current train operation data by the train traction control system; and inputting the current train operation data and the evaluation score into a neural network learning system to adjust the current control level of the train to obtain a final outputted control level.
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公开(公告)号：US20240227888A1
公开(公告)日：2024-07-11
申请号：US18609689
申请日：2024-03-19
Applicant: BYD COMPANY LIMITED
Inventor： Yakun SHEN , Chujun CHEN , Yang LIAO , Weihua LIU
CPC classification number: B61L27/20 , B61L27/04 , B61L2027/204
Abstract: A method for controlling train operation, includes: receiving an instruction indicating permission to enter a train autonomous circumambulation system (TACS) control level; in response to the train satisfies a condition for entering the TACS control level, controlling the train to enter the TACS control level and transmitting a TACS control notification to a ground device in a route section in which the train is located, the ground device communicating with the train through the TACS control notification based on a TACS control level protocol; and operating the train based on the TACS control level.
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公开(公告)号：US20240116553A1
公开(公告)日：2024-04-11
申请号：US18542063
申请日：2023-12-15
Applicant: BYD COMPANY LIMITED
Inventor： Chujun CHEN , Kaikuo ZHUO , Weihua LIU
CPC classification number: B61L27/16 , B61L25/021 , B61L25/025
Abstract: A method for preventing a turnout conflict of a railway is applicable to a railway controller and includes: receiving a first request from a first train and a second request from a second train for using a turnout within a time period; determining whether a first distance between a current position of the first train and the turnout is equal to a second distance between a current position of the second train and the turnout; and in response to determining that the first distance is equal to the second distance, determining a priority user based on first arrival information of the first train and second arrival information of the second train, where the arrival information includes whether the train arrives at a next parking station on schedule, ahead of schedule, or behind schedule when running at a maximum running speed.
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