Patents by Inventor Songtao CHANG
Songtao CHANG 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).
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Patent number: 11718306Abstract: The present application discloses a method and an apparatus for acquiring sample deviation data and an electric device, which relate to the fields of artificial intelligence technology, automatic driving technology, intelligent transportation technology and deep learning technology. The specific implementation solution is: in case of acquiring the sample deviation data, a first driving behavior parameter of a vehicle and a second driving behavior parameter of the vehicle in a simulated automatic driving mode are respectively acquired in the manual driving mode; and it is determined whether there is a deviation between the first driving behavior parameter and the second driving behavior parameter, and if there is a deviation, the vehicle is controlled to acquire the sample deviation data within a preset time period.Type: GrantFiled: June 4, 2021Date of Patent: August 8, 2023Assignee: BEIJING BAIDU NETCOM SCIENCE TECHNOLOGY CO., LTD.Inventors: Houqiang Zhu, Pengfei Wei, Jia Song, Jianxin Jiang, Songtao Chang
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Publication number: 20230139187Abstract: A method and apparatus for determining information are provided. An implementation of the method includes: acquiring a reference vehicle speed and an actual vehicle speed of an autonomous driving vehicle; determining feedback information based on the reference vehicle speed and the actual vehicle speed; determining vehicle speed control information based on the feedback information and disturbance observation information, where the disturbance observation information is used to indicate a disturbance quantity currently experienced by the autonomous driving vehicle; and determining target disturbance information based on vehicle speed information, the disturbance observation information and a preset estimation model.Type: ApplicationFiled: December 27, 2022Publication date: May 4, 2023Inventors: Songtao CHANG, Lantian SHANGGUAN, Jianxin JIANG
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Patent number: 11594134Abstract: Embodiments of the present disclosure disclose a parking space detection method and apparatus, an electronic equipment, a vehicle, and a storage medium, which relate to the field of automatic driving technologies and in particular, to the field of autonomous parking, including: collecting ultrasonic information during a moving process of a vehicle, generating a target grid map, performing feature recognition on the target grid map to obtain a line segment, and generating a parking space according to the line segment and the target grid map. By implementing the present disclosure, a disadvantage of a limited range of application in the prior art caused by that the detection of a parking space requires a travelling direction of a vehicle to be parallel with a side of an obstacle and requires the vehicle to be close to the obstacle is avoided, thereby achieving a relatively wide use and improving detection accuracy.Type: GrantFiled: October 1, 2020Date of Patent: February 28, 2023Inventors: Songtao Chang, Cong Chen, Wenzhi Bai, Guibin Tian
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Patent number: 11586218Abstract: A method and apparatus for positioning a vehicle. The method may include: acquiring an identification element and non-identification elements of a current vehicle. The method can further include matching the identification element of the current vehicle with position elements in a high-precision map to determine an initial position of the current vehicle. The method can further include using at least one position element in the high-precision map to perform observational constraints on the non-identification elements of the current vehicle to acquire position elements corresponding to the non-identification elements of the current vehicle. The method can further include adjusting the initial position of the current vehicle using the position elements corresponding to the non-identification elements of the current vehicle to obtain a target position of the current vehicle.Type: GrantFiled: September 11, 2020Date of Patent: February 21, 2023Assignee: Apollo Intelligent Driving Technology (Beijing) Co., Ltd.Inventors: Qi Chen, Songtao Chang, Cong Chen, Yubin Wang, Youhao Li, Wenyang Chen
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Publication number: 20230008289Abstract: The present disclosure provides a route processing method and apparatus. The solution includes: acquiring an initial traveling route, which includes a plurality of track points, corresponding to a vehicle; determining a vehicle traveling area, which includes an area where the vehicle is located when traveling to the track point, corresponding to each track point; determining at least one target track point in the plurality of track points according to the vehicle traveling area, where a first obstacle exists in the vehicle traveling area; performing updating processing on a position of each target track point in the initial traveling route respectively according to the position of the each target track point and a position of the first obstacle, and obtaining a target traveling route according to the target track point for which the updating processing has been performed; and controlling the vehicle to travel according to the target traveling route.Type: ApplicationFiled: April 5, 2022Publication date: January 12, 2023Inventors: Lantian SHANGGUAN, Guibin TIAN, Songtao CHANG
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Publication number: 20220236065Abstract: The present disclosure provides a map data fusion method and apparatus, an electronic device, a medium and a program product. The method includes: acquiring first map data and second map data; based on a first feature descriptor set and a second feature descriptor set included in the first map data and the second map data respectively, determining a set of matching point pairs between a first set of three-dimensional coordinate points and a second set of three-dimensional coordinate points included in the first map data and the second map data respectively; determining a pose transformation matrix between the first map data and the second map data based on the set of matching point pairs; and fusing the first map data and the second map data into third map data based on the pose transformation matrix.Type: ApplicationFiled: April 15, 2022Publication date: July 28, 2022Inventors: Qisheng LIU, Youhao LI, Songtao CHANG, Cheng LUO
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Publication number: 20210291843Abstract: The present application discloses a method and an apparatus for acquiring sample deviation data and an electric device, which relate to the fields of artificial intelligence technology, automatic driving technology, intelligent transportation technology and deep learning technology. The specific implementation solution is: in case of acquiring the sample deviation data, a first driving behavior parameter of a vehicle and a second driving behavior parameter of the vehicle in a simulated automatic driving mode are respectively acquired in the manual driving mode; and it is determined whether there is a deviation between the first driving behavior parameter and the second driving behavior parameter, and if there is a deviation, the vehicle is controlled to acquire the sample deviation data within a preset time period.Type: ApplicationFiled: June 4, 2021Publication date: September 23, 2021Inventors: HOUQIANG ZHU, PENGFEI WEI, JIA SONG, JIANXIN JIANG, SONGTAO CHANG
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Publication number: 20210223789Abstract: The present disclosure provides a method and apparatus for positioning a vehicle, an electronic device, and a storage medium, which relates to autonomous driving technology. The method may include: acquiring an identification element and non-identification elements of a current vehicle; matching the identification element of the current vehicle with position elements in a high-precision map to determine an initial position of the current vehicle; using at least one position element in the high-precision map to perform observational constraints on the non-identification elements of the current vehicle to acquire position elements corresponding to the non-identification elements of the current vehicle; and adjusting the initial position of the current vehicle using the position elements corresponding to the non-identification elements of the current vehicle to obtain a target position of the current vehicle.Type: ApplicationFiled: September 11, 2020Publication date: July 22, 2021Inventors: Qi Chen, Songtao Chang, Cong Chen, Yubin Wang, Youhao Li, Wenyang Chen
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Publication number: 20210190947Abstract: Embodiments of the present disclosure disclose a parking space detection method and apparatus, an electronic equipment, a vehicle, and a storage medium, which relate to the field of automatic driving technologies and in particular, to the field of autonomous parking, including: collecting ultrasonic information during a moving process of a vehicle, generating a target grid map, performing feature recognition on the target grid map to obtain a line segment, and generating a parking space according to the line segment and the target grid map. By implementing the present disclosure, a disadvantage of a limited range of application in the prior art caused by that the detection of a parking space requires a travelling direction of a vehicle to be parallel with a side of an obstacle and requires the vehicle to be close to the obstacle is avoided, thereby achieving a relatively wide use and improving detection accuracy.Type: ApplicationFiled: October 1, 2020Publication date: June 24, 2021Inventors: Songtao CHANG, Cong CHEN, Wenzhi BAI, Guibin TIAN
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Patent number: 11016371Abstract: The present application relates to the technical field of a photographing apparatus, provides a gimbal and a photographing assembly having the gimbal. The gimbal includes: a stability augmentation assembly configured to mount the photographing apparatus; a handle connected to the stability augmentation assembly; a display screen mounted to the handle and configured to display an image photographed by the photographing apparatus, so that a user may control the stability augmentation assembly according to the photographed image.Type: GrantFiled: December 20, 2019Date of Patent: May 25, 2021Assignee: AUTEL ROBOTICS CO., LTD.Inventors: Zhengli Zhang, Songtao Chang
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Patent number: 10809600Abstract: The present invention relates to the technical field of aircrafts, and provides a gimbal, a photographing assembly and an unmanned aerial vehicle (UAV) that have the gimbal. The gimbal includes: a first rotating member and a second rotating member. The first rotating member includes a first drive apparatus, the first drive apparatus including a first rotating portion, and the second rotating member includes a second drive apparatus and a first connecting arm, the second drive apparatus including a second fixing portion and a second rotating portion that may rotate relative to the second fixing portion, the first connecting arm being fixedly connected between the first rotating portion and the second fixing portion, and the first connecting arm is integrally formed with the first rotating portion and the second fixing portion.Type: GrantFiled: January 3, 2020Date of Patent: October 20, 2020Assignee: AUTEL ROBOTICS CO., LTD.Inventors: Zhengli Zhang, Songtao Chang, Feng Ni
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Publication number: 20200142283Abstract: The present invention relates to the technical field of aircrafts, and provides a gimbal, a photographing assembly and an unmanned aerial vehicle (UAV) that have the gimbal. The gimbal includes: a first rotating member and a second rotating member. The first rotating member includes a first drive apparatus, the first drive apparatus including a first rotating portion, and the second rotating member includes a second drive apparatus and a first connecting arm, the second drive apparatus including a second fixing portion and a second rotating portion that may rotate relative to the second fixing portion, the first connecting arm being fixedly connected between the first rotating portion and the second fixing portion, and the first connecting arm is integrally formed with the first rotating portion and the second fixing portion.Type: ApplicationFiled: January 3, 2020Publication date: May 7, 2020Inventors: Zhengli Zhang, Songtao Chang, Feng Ni
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Publication number: 20200124949Abstract: The present application relates to the technical field of a photographing apparatus, provides a gimbal and a photographing assembly having the gimbal. The gimbal includes: a stability augmentation assembly configured to mount the photographing apparatus; a handle connected to the stability augmentation assembly; a display screen mounted to the handle and configured to display an image photographed by the photographing apparatus, so that a user may control the stability augmentation assembly according to the photographed image.Type: ApplicationFiled: December 20, 2019Publication date: April 23, 2020Inventors: Zhengli Zhang, Songtao Chang
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Patent number: 10545392Abstract: The present invention discloses a gimbal including a support, a roll axis motor assembly, a pitch axis motor assembly, a first camera and a second camera. The first camera and the second camera are disposed at two ends of the roll axis motor assembly and face opposite directions. The roll axis motor assembly is configured to drive the first camera and the second camera to rotate around a roll axis of the roll axis motor assembly. The pitch axis motor assembly is mounted on the support and is connected to the roll axis motor assembly and the pitch axis motor assembly is configured to drive the roll axis motor assembly, the first camera and the second camera to rotate round a pitch axis of the pitch axis motor assembly.Type: GrantFiled: January 8, 2019Date of Patent: January 28, 2020Assignee: AUTEL ROBOTICS CO., LTD.Inventors: Zhengli Zhang, Xiangxi Pan, Songtao Chang
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Publication number: 20190163039Abstract: The present invention discloses a gimbal including a support, a roll axis motor assembly, a pitch axis motor assembly, a first camera and a second camera. The first camera and the second camera are disposed at two ends of the roll axis motor assembly and face opposite directions. The roll axis motor assembly is configured to drive the first camera and the second camera to rotate around a roll axis of the roll axis motor assembly. The pitch axis motor assembly is mounted on the support and is connected to the roll axis motor assembly and the pitch axis motor assembly is configured to drive the roll axis motor assembly, the first camera and the second camera to rotate round a pitch axis of the pitch axis motor assembly.Type: ApplicationFiled: January 8, 2019Publication date: May 30, 2019Inventors: Zhengli ZHANG, Xiangxi PAN, Songtao CHANG
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Publication number: 20190031369Abstract: The present invention relates to a photographing device, including: a plurality of photographing units; a fixing unit, used for fixing the plurality of photographing units (9); and a power system, used for driving the fixing unit to rotate. The photographing device of the present invention is capable of realizing a 360° panorama photographing and realizing stabilization of the plurality of photographing units at the same time.Type: ApplicationFiled: September 20, 2018Publication date: January 31, 2019Inventors: Zhengli ZHANG, Xiangxi PAN, Songtao CHANG
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Patent number: 10151965Abstract: This application relates to the field of aerial vehicle technologies, and provides a motor, a gimbal, and an unmanned aerial vehicle. The motor includes: a first and a second connection terminals, where the first connection terminal includes a circuit board including a coil circuit; the second connection terminal includes a permanent magnet adjacent to the coil circuit, wherein there is a gap between the permanent magnet and the coil circuit, and the permanent magnet has an axial magnetization structure; one of the first and the second connection terminals is fixedly connected to a lens module and sleeved over the lens module, and the other is movably connected to the lens module and sleeved over the lens module. In the foregoing manner, the overall size and weight of the motor are greatly reduced, and therefore, the motor has the advantages of a compact structure, a small size, and a light weight.Type: GrantFiled: August 31, 2017Date of Patent: December 11, 2018Assignee: AUTEL ROBOTICS CO., LTD.Inventors: Zhengli Zhang, Songtao Chang, Zhuanpeng Cheng
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Publication number: 20180246394Abstract: This application relates to the field of aerial vehicle technologies, and provides a motor, a gimbal, and an unmanned aerial vehicle. The motor includes: a first and a second connection terminals, where the first connection terminal includes a circuit board including a coil circuit; the second connection terminal includes a permanent magnet adjacent to the coil circuit, wherein there is a gap between the permanent magnet and the coil circuit, and the permanent magnet has an axial magnetization structure; one of the first and the second connection terminals is fixedly connected to a lens module and sleeved over the lens module, and the other is movably connected to the lens module and sleeved over the lens module. In the foregoing manner, the overall size and weight of the motor are greatly reduced, and therefore, the motor has the advantages of a compact structure, a small size, and a light weight.Type: ApplicationFiled: August 31, 2017Publication date: August 30, 2018Inventors: Zhengli ZHANG, Songtao CHANG, Zhuanpeng CHENG