Patents by Inventor Hongda Zhang
Hongda Zhang 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).
-
Patent number: 11865647Abstract: A method for repairing a composite structure is provided. A rework zone is defined on the composite structure. A theoretical scarfing bottom surface is identified for the rework zone from a model of the composite structure. An actual scarfing bottom surface in a local axis system is identified for the rework zone. Parameters for a rework program for an automated scarfing tool are modified based on deviations between the theoretical scarfing bottom surface and the actual scarfing bottom surface. Plies in the rework zone are removed using the automated scarfing tool.Type: GrantFiled: March 13, 2020Date of Patent: January 9, 2024Assignee: The Boeing CompanyInventors: Hongda Zhang, Yee-Ying Chung, Steven Dysievick, Michael Victor Forster
-
Patent number: 11584369Abstract: Embodiments of the present application provide a collision detection method and apparatus based on an autonomous vehicle, a device and a storage medium, where the method includes: acquiring first point cloud data of each obstacle in each region around the autonomous vehicle, where the first point cloud data represents coordinate information of the obstacle and the first point cloud data is based on a world coordinate system; converting the first point cloud data of the each obstacle into second point cloud data based on a relative coordinate system, where an origin of the relative coordinate system is a point on the autonomous vehicle; determining, according to the second point cloud data of the each obstacle in all regions, a possibility of collision of the autonomous vehicle. A de-positioning manner for collision detection is provided, thereby improving the reliability and stability of collision detection.Type: GrantFiled: July 17, 2019Date of Patent: February 21, 2023Assignee: Apollo Intelligent Driving Technology (Beijing) Co., Ltd.Inventors: Hongda Zhang, Kai Yang, Lei Zhang, Qijuan Yin, Wuzhao Zhang, Xiaoyan Wang
-
Patent number: 11400553Abstract: A fixture for holding a barrel-shaped part, including an interior surface, in a fixed position includes a body configured to fit inside the barrel-shaped part and a support ring coupled to the body. The support ring includes a peripheral channel. The fixture further includes a bladder tube engaged with the peripheral channel of the support ring and inflatable to engage the interior surface of the barrel-shaped part when the body is inside the barrel-shaped part.Type: GrantFiled: December 15, 2017Date of Patent: August 2, 2022Assignee: The Boeing CompanyInventors: Hongda Zhang, Gang Qi, Yee-Ying Chung, Garth Cook
-
Patent number: 11398944Abstract: The present application provides a vehicle fault handling method, an apparatus and a storage medium, the method includes: acquiring in real-time, by a first vehicle fault handling device, status information of a second vehicle fault handling device, where the first vehicle fault handling device is further configured to monitor a main system of a vehicle in real-time, the second vehicle fault handling device is configured to monitor a first computing device, and the first vehicle fault handling device and the main system are provided in the first computing device; determining, by the first vehicle fault handling device, whether a fault has occurred in the second vehicle fault handling device according to the status information thereof; and performing, by the first vehicle fault handling device, fault handling if a fault has occurred in the second vehicle fault handling device.Type: GrantFiled: July 2, 2019Date of Patent: July 26, 2022Assignee: Apollo Intelligent Driving Technology (Beijing) Co., Ltd.Inventors: Kai Yang, Lei Zhang, Hongda Zhang, Qijuan Yin, Wuzhao Zhang, Xiaoyan Wang
-
Patent number: 11362857Abstract: Provided are a message processing method, an apparatus, an electronic control unit, and a readable storage medium. The method includes configuring different sending times for any two different electronic control units corresponding to the same message ID in sending time configuration information of electronic control units; and when sending messages to a CAN bus, sending, by the electronic control units, the messages to the CAN bus at available sending times according to corresponding sending time configuration information, so that the time for any two different electronic control units corresponding to the same message ID to send messages to the CAN bus is separated. The method can improve the safety of the unmanned system.Type: GrantFiled: July 9, 2019Date of Patent: June 14, 2022Assignee: APOLLO INTELLIGENT DRIVING TECHNOLOGY (BEIJING) CO., LTD.Inventors: Kai Yang, Hongda Zhang, Qijuan Yin, Wuzhao Zhang, Baisheng Wang, Zhuo Chen
-
Patent number: 11320818Abstract: A method for controlling an unmanned vehicle includes: acquiring unmanned vehicle monitoring information of the unmanned vehicle when it is determined that a course of the unmanned vehicle will be out of control; determining a safety level corresponding to the unmanned monitoring information according to a predefined correspondence between unmanned vehicle monitoring information and a safety level; and controlling, according to the safety level corresponding to the unmanned monitoring information, the unmanned vehicle to drive. Thus, upon determining that the unmanned vehicle has gone beyond a boundary of the autopilot, the problem is identified that the unmanned vehicle will encounter a danger in driving. Then, the autopilot process of the unmanned vehicle is demoted according to the severity of the danger, e.g., decelerated or adjusted in its direction, to avoid safety hazards.Type: GrantFiled: July 10, 2019Date of Patent: May 3, 2022Assignee: Apollo Intelligent Driving Technology (Beijing) Co., Ltd.Inventors: Lei Zhang, Hongda Zhang, Qijuan Yin, Wuzhao Zhang, Xiaoyan Wang, Baisheng Wang
-
Patent number: 11279380Abstract: Embodiments of the present disclosure provide a method for detecting and avoiding a collision applied to a vehicle which determines a first path according to a real-time vehicle status. The method can include: S1) predefining a second path according to the real-time vehicle status; S2) determining whether the current first path is at risk of a collision, and determining whether the current second path is at risk of a collision; and S3) controlling the vehicle with an apparatus using a method for avoiding a collision, in a case where the current first path is at risk of a collision and/or the current second path is at risk of a collision.Type: GrantFiled: March 10, 2020Date of Patent: March 22, 2022Assignee: APOLLO INTELLIGENT DRIVING TECHNOLOGY (BEIJING) CO., LTD.Inventors: Lei Zhang, Kai Yang, Hongda Zhang, Wuzhao Zhang, Zhuo Chen, Baisheng Wang
-
Publication number: 20210283702Abstract: A method for repairing a composite structure is provided. A rework zone is defined on the composite structure. A theoretical scarfing bottom surface is identified for the rework zone from a model of the composite structure. An actual scarfing bottom surface in a local axis system is identified for the rework zone. Parameters for a rework program for an automated scarfing tool are modified based on deviations between the theoretical scarfing bottom surface and the actual scarfing bottom surface. Plies in the rework zone are removed using the automated scarfing tool.Type: ApplicationFiled: March 13, 2020Publication date: September 16, 2021Inventors: Hongda Zhang, Yee-Ying Chung, Steven Dysievick, Michael Victor Forster
-
Publication number: 20210139052Abstract: The present disclosure provides a task scheduling method, an apparatus, a device and a computer readable storage medium provided by the, and an implementation solution thereof includes: identifying obstacle information of an obstacle around a vehicle; determining a safety level of the obstacle according to driving information and the obstacle information of the vehicle; determining a driving task according to the obstacle information, determining a safety level of the driving task according to the safety level of the obstacle corresponding to the obstacle information; and performing a task scheduling according to the safety level of the driving task. The method, the apparatus, the device and the computer readable storage medium provided by the present disclosure can perform the task with the highest safety level preferentially and avoid a situation in which an urgent situation is unable to be dealt with in time.Type: ApplicationFiled: September 24, 2020Publication date: May 13, 2021Inventors: Lei ZHANG, Kai YANG, Hongda ZHANG, Qijuan YIN, Xiaoyan WANG, Wuzhao ZHANG
-
Patent number: 10991177Abstract: A method for processing vehicle fault, the method includes obtaining, by a first vehicle fault processing device, first data information of a main system of a vehicle in real time, obtaining second data information of the main system sent by a second vehicle fault processing device, and sending the first data information to the second vehicle fault processing device, so that the second vehicle fault processing device performs fault determination on the main system according to the first data information and the second data information; determining, by the first vehicle fault processing device, whether a fault has occurred in the main system according to the first data information and the second data information; and performing, by the first vehicle fault processing device, corresponding control on the vehicle according to a pre-configured control authority if the fault has occurred in the main system.Type: GrantFiled: July 16, 2019Date of Patent: April 27, 2021Inventors: Kai Yang, Lei Zhang, Hongda Zhang, Wuzhao Zhang, Zhuo Chen, Xiaoyan Wang
-
Publication number: 20210016798Abstract: Embodiments of the present disclosure provide a method for detecting and avoiding a collision applied to a vehicle which determines a first path according to a real-time vehicle status. The method can include: S1) predefining a second path according to the real-time vehicle status; S2) determining whether the current first path is at risk of a collision, and determining whether the current second path is at risk of a collision; and S3) controlling the vehicle with an apparatus using a method for avoiding a collision, in a case where the current first path is at risk of a collision and/or the current second path is at risk of a collision.Type: ApplicationFiled: March 10, 2020Publication date: January 21, 2021Inventors: Lei ZHANG, Kai YANG, Hongda ZHANG, Wuzhao ZHANG, Zhuo CHEN, Baisheng WANG
-
Publication number: 20200070823Abstract: Embodiments of the present application provide a collision detection method and apparatus based on an autonomous vehicle, a device and a storage medium, where the method includes: acquiring first point cloud data of each obstacle in each region around the autonomous vehicle, where the first point cloud data represents coordinate information of the obstacle and the first point cloud data is based on a world coordinate system; converting the first point cloud data of the each obstacle into second point cloud data based on a relative coordinate system, where an origin of the relative coordinate system is a point on the autonomous vehicle; determining, according to the second point cloud data of the each obstacle in all regions, a possibility of collision of the autonomous vehicle. A de-positioning manner for collision detection is provided, thereby improving the reliability and stability of collision detection.Type: ApplicationFiled: July 17, 2019Publication date: March 5, 2020Applicant: Baidu Online Network Technology (Beijing) Co., Ltd.Inventors: Hongda ZHANG, Kai YANG, Lei ZHANG, Qijuan YIN, Wuzhao ZHANG, Xiaoyan WANG
-
Publication number: 20200073378Abstract: Provided are a method, an apparatus, a device and a storage medium for controlling an unmanned vehicle, where the method includes: acquiring unmanned vehicle monitoring information of the unmanned vehicle when it is determined that a course of the unmanned vehicle will be out of control; determining a safety level corresponding to the unmanned monitoring information according to a predefined correspondence between unmanned vehicle monitoring information and a safety level; and controlling, according to the safety level corresponding to the unmanned monitoring information, the unmanned vehicle to drive. Thus, upon determining that the unmanned vehicle has gone beyond a boundary of the autopilot, the problem is identified that the unmanned vehicle will encounter a danger in driving. Then, the autopilot process of the unmanned vehicle is demoted according to the severity of the danger, e.g., decelerated or adjusted in its direction, to avoid safety hazards.Type: ApplicationFiled: July 10, 2019Publication date: March 5, 2020Applicant: Baidu Online Network Technology (Beijing) Co., Ltd.Inventors: Lei ZHANG, Hongda ZHANG, Qijuan YIN, Wuzhao ZHANG, Xiaoyan WANG, Baisheng WANG
-
Publication number: 20200074771Abstract: A method for processing vehicle fault, the method includes obtaining, by a first vehicle fault processing device, first data information of a main system of a vehicle in real time, obtaining second data information of the main system sent by a second vehicle fault processing device, and sending the first data information to the second vehicle fault processing device, so that the second vehicle fault processing device performs fault determination on the main system according to the first data information and the second data information; determining, by the first vehicle fault processing device, whether a fault has occurred in the main system according to the first data information and the second data information; and performing, by the first vehicle fault processing device, corresponding control on the vehicle according to a pre-configured control authority if the fault has occurred in the main system.Type: ApplicationFiled: July 16, 2019Publication date: March 5, 2020Applicant: BAIDU ONLINE NETWORK TECHNOLOGY (BEIJING) CO., LTD.Inventors: Kai YANG, Lei ZHANG, Hongda ZHANG, Wuzhao ZHANG, Zhuo CHEN, Xiaoyan WANG
-
Publication number: 20200074769Abstract: The present application provides a vehicle fault handling method, an apparatus, a device, and a storage medium, where the method includes: a vehicle fault handling device obtains data information of a main system of the vehicle in real time; the vehicle fault handling device determines whether the main system has a fault according to the data information; and the vehicle failure processing device controls travelling status of the vehicle if the main system has a fault. Safety hazards of the vehicle that are caused by the fault in the main system can be avoided and the safety of the driverless vehicle can be enhanced effectively.Type: ApplicationFiled: July 18, 2019Publication date: March 5, 2020Applicant: Baidu Online Network Technology (Beijing) Co., Ltd.Inventors: Kai Yang, Lei Zhang, Hongda Zhang, Qijuan Yin, Wuzhao Zhang, Baisheng Wang
-
Publication number: 20200076676Abstract: The present application provides a vehicle fault handling method, an apparatus and a storage medium, the method includes: acquiring in real-time, by a first vehicle fault handling device, status information of a second vehicle fault handling device, where the first vehicle fault handling device is further configured to monitor a main system of a vehicle in real-time, the second vehicle fault handling device is configured to monitor a first computing device, and the first vehicle fault handling device and the main system are provided in the first computing device; determining, by the first vehicle fault handling device, whether a fault has occurred in the second vehicle fault handling device according to the status information thereof; and performing, by the first vehicle fault handling device, fault handling if a fault has occurred in the second vehicle fault handling device.Type: ApplicationFiled: July 2, 2019Publication date: March 5, 2020Applicant: Baidu Online Network Technology (Beijing) Co., Ltd.Inventors: Kai YANG, Lei ZHANG, Hongda ZHANG, Qijuan YIN, Wuzhao ZHANG, Xiaoyan WANG
-
Publication number: 20200076642Abstract: Provided are a message processing method, an apparatus, an electronic control unit, and a readable storage medium. The method includes configuring different sending times for any two different electronic control units corresponding to the same message ID in sending time configuration information of electronic control units; and when sending messages to a CAN bus, sending, by the electronic control units, the messages to the CAN bus at available sending times according to corresponding sending time configuration information, so that the time for any two different electronic control units corresponding to the same message ID to send messages to the CAN bus is separated. The method can improve the safety of the unmanned system.Type: ApplicationFiled: July 9, 2019Publication date: March 5, 2020Applicant: Baidu Online Network Technology (Beijing) Co., Ltd.Inventors: Kai Yang, Hongda Zhang, Qijuan Yin, Wuzhao Zhang, Baisheng Wang, Zhuo Chen
-
Publication number: 20190184508Abstract: A fixture for holding a barrel-shaped part, including an interior surface, in a fixed position includes a body configured to fit inside the barrel-shaped part and a support ring coupled to the body. The support ring includes a peripheral channel. The fixture further includes a bladder tube engaged with the peripheral channel of the support ring and inflatable to engage the interior surface of the barrel-shaped part when the body is inside the barrel-shaped part.Type: ApplicationFiled: December 15, 2017Publication date: June 20, 2019Inventors: Hongda Zhang, Gang Qi, Yee-Ying Chung, Garth Cook
-
Patent number: 7232780Abstract: The invention presents yttria elements containing high-density chrome based refractory composites, which consist of: (A) Fused polymeric compound as aggregate, containing: 40 to 50 wt % of particles in size from 1 to 4 mm and 15 to 25 wt % of particles in size below 1 mm; (B) A matrix consisting of fused polymeric compounds with particle sizes below 66 ?m, active sintered Al2O3, active industrial Cr2O3 and Y2O3, (C) Binders accounting for 2.5 to 3.5 wt %. Since Y2O3 has resistance to the slag corrosion and penetration with its compatibility with slag, it has been introduced to activate the major component Cr2O3 crystal lattice in favor with Al2O3 so that it helps to reduce the sintering temperature, increase the rate of finished products as well as reduce the manufacturing cost.Type: GrantFiled: October 15, 2004Date of Patent: June 19, 2007Assignee: Luoyang Institute of Refractories Research, China Iron & Steel Industry & Trade Group CorporationInventors: Dexian Zhu, Fei Shi, RenPin Chen, Hongda Zhang, Yadong Zhang
-
Publication number: 20050245387Abstract: The invention presents yttira elements containing high-density chrome based refractory composites, which consist of: (A) Fused polymeric compound as aggregate, containing: 40 to 50 wt % of particles in size from 1 to 4 mm and 15 to 25 wt % of particles in size below 1 mm; (B) A matrix consisting of fused polymeric compounds with particle sizes below 66 ?m, active sintered Al2O3, active industrial Cr2O3 and Y2O3. (C) Binders accounting for 2.5 to 3.5 wt %. Since Y2O3 has resistance to the slag corrosion and penetration with its compatibility with slag, it has been introduced to activate the major component Cr2O3 crystal lattice in favor with Al2O3 so that it helps to reduce the sintering temperature, increase the rate of finished products as well as reduce the manufacturing cost.Type: ApplicationFiled: October 15, 2004Publication date: November 3, 2005Inventors: Dexian Zhu, Fei Shi, Renpin Chen, Hongda Zhang, Yadong Zhang