Patents by Inventor Haijun SU
Haijun SU 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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Publication number: 20230381977Abstract: A finger for a robotic gripper may include a flexible backbone, a plurality of jamming layers, and a membrane bag. The backbone may have a first side, a second side, a third side, and a fourth side. The backbone may include a flexible beam, and a plurality of branches attached to the flexible beam and spaced apart from one another. Each branch may include a first end surface extending along the first side, and a second end surface extending along the second side. The first end surfaces may collectively extend along a majority of the first side, and the second end surfaces may collectively extend along a majority of the second side. The jamming layers may be positioned along the third side or the fourth side. The membrane bag may be positioned over the jamming layers.Type: ApplicationFiled: May 5, 2023Publication date: November 30, 2023Inventors: Haijun Su, Yuan Gao
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Publication number: 20230286177Abstract: A finger for a robotic gripper may include a flexible actuator, a flexible backbone, a rigid constraint frame, a plurality of jamming layers, and a jamming bag. The flexible actuator may have a proximal end, a distal end disposed opposite the proximal end, a first side, and a second side disposed opposite the first side. The flexible backbone may be coupled to the flexible actuator and disposed along the first side of the flexible actuator. The rigid constraint frame may be coupled to the flexible actuator and disposed along the second side of the flexible actuator. The jamming layers may be coupled to the flexible actuator and disposed at least partially within the rigid constraint frame. The jamming bag disposed at least partially within the rigid constraint frame and configured to apply a compressive force to the jamming layers when a positive pressure is generated within the jamming bag.Type: ApplicationFiled: February 27, 2023Publication date: September 14, 2023Inventors: Haijun Su, George Crowley, Xianpai Zeng
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Patent number: 11753695Abstract: A device and a method for continuous temperature gradient heat treatment of a rod-shaped material are disclosed. The furnace body of the device includes an upper heating zone and a lower heating zone inside, which are independently controlled in temperature by means of an upper heating power supply and a lower heating power supply. Moreover, both the upper heating zone and the lower heating zone are closed heating zones. The closed heat insulation plates could prevent heat loss and ensure precise temperature control of the upper heating zone and the lower heating zone. In the device, a vacuum pumping equipment is included; an annular radiation screen is configured between the upper heating zone and the lower heating zone, and the rod-shaped material is not in contact with the annular radiation screen The rod-shaped material conducts one-dimensional heat transfer along the axial direction.Type: GrantFiled: June 28, 2021Date of Patent: September 12, 2023Assignee: Northwestern Polytechnical UniversityInventors: Taiwen Huang, Lin Liu, Min Guo, Haijun Su, Jun Zhang, Wenchao Yang, Zheliang Liu, Yinuo Guo, Huating Chang, Hui Shen, Shaoying Li
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Patent number: 11686001Abstract: The disclosure provides a eutectic ceramic thermal barrier material and a preparation method thereof, which relates to the field of composite materials. The present disclosure provides a eutectic ceramic thermal barrier material comprising a nickel-based superalloy substrate, an intermediate binding layer and a eutectic ceramic cladding layer stacked sequentially; the intermediate binding layer comprises a NiCoCrAlY binding layer; the eutectic ceramic cladding layer comprises an Al2O3/GdAlO3 binary eutectic ceramic coating or an Al2O3/GdAlO3/ZrO2 ternary eutectic ceramic coating. The eutectic ceramic thermal barrier material provided by the present disclosure has good high temperature resistance, good oxidation resistance and excellent mechanical properties.Type: GrantFiled: May 19, 2022Date of Patent: June 27, 2023Assignee: Northwestern Polytechnical UniversityInventors: Haijun Su, Zhonglin Shen, Minghui Yu, Haifang Liu, Yinuo Guo, Dianyun Wang, Yuan Liu, Di Zhao, Taiwen Huang, Wenchao Yang
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Patent number: 11679514Abstract: A finger for a robotic gripper may include a flexible backbone, a plurality of jamming layers, and a membrane bag. The backbone may have a first side, a second side, a third side, and a fourth side. The backbone may include a flexible beam, and a plurality of branches attached to the flexible beam and spaced apart from one another. Each branch may include a first end surface extending along the first side, and a second end surface extending along the second side. The first end surfaces may collectively extend along a majority of the first side, and the second end surfaces may collectively extend along a majority of the second side. The jamming layers may be positioned along the third side or the fourth side. The membrane bag may be positioned over the jamming layers.Type: GrantFiled: January 8, 2021Date of Patent: June 20, 2023Assignee: Ohio State Innovation FoundationInventors: Haijun Su, Yuan Gao
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Publication number: 20230035595Abstract: The disclosure provides a eutectic ceramic thermal barrier material and a preparation method thereof, which relates to the field of composite materials. The present disclosure provides a eutectic ceramic thermal barrier material comprising a nickel-based superalloy substrate, an intermediate binding layer and a eutectic ceramic cladding layer stacked sequentially; the intermediate binding layer comprises a NiCoCrAlY binding layer; the eutectic ceramic cladding layer comprises an Al2O3/GdAlO3 binary eutectic ceramic coating or an Al2O3/GdAlO3/ZrO2 ternary eutectic ceramic coating. The eutectic ceramic thermal barrier material provided by the present disclosure has good high temperature resistance, good oxidation resistance and excellent mechanical properties.Type: ApplicationFiled: May 19, 2022Publication date: February 2, 2023Inventors: Haijun Su, Zhonglin Shen, Minghui Yu, Haifang Liu, Yinuo Guo, Dianyun Wang, Yuan Liu, Di Zhao, Taiwen Huang, Wenchao Yang
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Patent number: 11508157Abstract: The disclosure provides an objective identification device, comprising: a classifier training circuit configured to extract objective characteristics based on training samples and perform offline training based on the objective characteristics to obtain a classifier; and a calculation circuit is configured to identify an objective in an image based on a particle swarm optimization algorithm, wherein each of particles is defined as an object having a predefined size in the image; and a fitness value of each of particles is calculated based on the classifier and the objective characteristics of the particle in the particle swarm optimization algorithm, the fitness value representing a probability that the particle belongs to the objective. The disclosure also provides an objective identification method and driving assistance device. According to the disclosure, not only the identification rate can be increased but also application scenarios having different identification rate requirements can be satisfied.Type: GrantFiled: October 24, 2017Date of Patent: November 22, 2022Assignee: BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD.Inventors: Haijun Su, Xiaojun Tang
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Patent number: 11393218Abstract: Embodiments of the disclosure provide an object detection method and device. The object detection method includes: extracting features of an image; classifying the image by each level of classifiers of a cascade classifier according to the features of the image, and calculating a classification score of the image in each level of the classifiers of the cascade classifier according to a classification result; and calculating, according to the classification score, a cascade score of the image in a corresponding level of the cascade classifier, comparing the cascade score in the corresponding level with a cascade threshold of the corresponding level, and judging the presence of an object in the image according to a comparison result.Type: GrantFiled: March 14, 2018Date of Patent: July 19, 2022Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Xiaojun Tang, Haijun Su
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Patent number: 11257244Abstract: A method for positioning an intelligent terminal apparatus comprises: acquiring data points scanned by a position detection device in the intelligent terminal apparatus at the current position of the intelligent terminal apparatus; converting valid data points into segment features to obtain a first set of segment features; and converting point features in an established map of the intelligent terminal apparatus into segment features to obtain a second set of segment features; selecting, from the first and second set of segment features, segments having the same position relationship respectively to form a first and a second candidate subset of the first and the second set of segment features respectively; and determining a transformation matrix that matches the first candidate subset to the second candidate subset, and identifying the current position and the orientation angle of the intelligent terminal apparatus in the established map based on the transformation matrix.Type: GrantFiled: February 26, 2018Date of Patent: February 22, 2022Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Haijun Su, Kai Zhao, Yue Li
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Publication number: 20210404033Abstract: A device and a method for continuous temperature gradient heat treatment of a rod-shaped material are disclosed. The furnace body of the device includes an upper heating zone and a lower heating zone inside, which are independently controlled in temperature by means of an upper heating power supply and a lower heating power supply. Moreover, both the upper heating zone and the lower heating zone are closed heating zones. The closed heat insulation plates could prevent heat loss and ensure precise temperature control of the upper heating zone and the lower heating zone. In the device, a vacuum pumping equipment is included; an annular radiation screen is configured between the upper heating zone and the lower heating zone, and the rod-shaped material is not in contact with the annular radiation screen. The rod-shaped material conducts one-dimensional heat transfer along the axial direction.Type: ApplicationFiled: June 28, 2021Publication date: December 30, 2021Inventors: Taiwen HUANG, Lin LIU, Min GUO, Haijun SU, Jun ZHANG, Wenchao YANG, Zheliang LIU, Yinuo GUO, Huating CHANG, Hui SHEN, Shaoying LI
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Publication number: 20210277500Abstract: In the method for preparing single crystal superalloy test bars by using a Ni—W heterogeneous seed crystal, on the premise of ensuring that the single crystal superalloy has the required orientation, by reusing the seed crystal, it is achieved that the trouble caused by the need of preparing a new seed crystal when a single crystal superalloy is produced by the seed crystal method every time is avoided, and the production cost is significantly reduced. In the present disclosure, the formation of the stray grains in mushy zone could be avoided by using a Ni—W heterogeneous seed crystal without mushy zone and a built-in corundum tube.Type: ApplicationFiled: December 18, 2020Publication date: September 9, 2021Applicant: Northwestern Polytechnical UniversityInventors: Wenchao YANG, Jiarun QIN, Pengfei QU, Lin LIU, Jun ZHANG, Haijun SU, Taiwen HUANG, Min GUO, Yueling GUO
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Publication number: 20210224558Abstract: Embodiments of the disclosure provide an object detection method and device. The object detection method includes: extracting features of an image; classifying the image by each level of classifiers of a cascade classifier according to the features of the image, and calculating a classification score of the image in each level of the classifiers of the cascade classifier according to a classification result; and calculating, according to the classification score, a cascade score of the image in a corresponding level of the cascade classifier, comparing the cascade score in the corresponding level with a cascade threshold of the corresponding level, and judging the presence of an object in the image according to a comparison result.Type: ApplicationFiled: March 14, 2018Publication date: July 22, 2021Inventors: Xiaojun TANG, Haijun SU
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Publication number: 20210225025Abstract: A method for positioning an intelligent terminal apparatus comprises: acquiring data points scanned by a position detection device in the intelligent terminal apparatus at the current position of the intelligent terminal apparatus; converting valid data points into segment features to obtain a first set of segment features; and converting point features in an established map of the intelligent terminal apparatus into segment features to obtain a second set of segment features; selecting, from the first and second set of segment features, segments having the same position relationship respectively to form a first and a second candidate subset of the first and the second set of segment features respectively; and determining a transformation matrix that matches the first candidate subset to the second candidate subset, and identifying the current position and the orientation angle of the intelligent terminal apparatus in the established map based on the transformation matrix.Type: ApplicationFiled: February 26, 2018Publication date: July 22, 2021Inventors: Haijun SU, Kai ZHAO, Yue LI
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Publication number: 20210206005Abstract: A finger for a robotic gripper may include a flexible backbone, a plurality of jamming layers, and a membrane bag. The backbone may have a first side, a second side, a third side, and a fourth side. The backbone may include a flexible beam, and a plurality of branches attached to the flexible beam and spaced apart from one another. Each branch may include a first end surface extending along the first side, and a second end surface extending along the second side. The first end surfaces may collectively extend along a majority of the first side, and the second end surfaces may collectively extend along a majority of the second side. The jamming layers may be positioned along the third side or the fourth side. The membrane bag may be positioned over the jamming layers.Type: ApplicationFiled: January 8, 2021Publication date: July 8, 2021Inventors: Haijun Su, Yuan Gao
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Publication number: 20210166042Abstract: The disclosure provides an objective identification device, comprising: a classifier training circuit configured to extract objective characteristics based on training samples and perform offline training based on the objective characteristics to obtain a classifier; and a calculation circuit is configured to identify an objective in an image based on a particle swarm optimization algorithm, wherein each of particles is defined as an object having a predefined size in the image; and a fitness value of each of particles is calculated based on the classifier and the objective characteristics of the particle in the particle swarm optimization algorithm, the fitness value representing a probability that the particle belongs to the objective. The disclosure also provides an objective identification method and driving assistance device. According to the disclosure, not only the identification rate can be increased but also application scenarios having different identification rate requirements can be satisfied.Type: ApplicationFiled: October 24, 2017Publication date: June 3, 2021Inventors: Haijun SU, Xiaojun TANG
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Patent number: 10969780Abstract: The present application discloses a delivery method and a delivery control device. The delivery method includes steps S1 to S3. In the step S1, request information sent by a user is acquired, the request information including user location information which indicates a current position of the user. In the Step S2, a delivery apparatus for the user is selected among at least two types of delivery apparatuses according to the user location information. In the Step S3, the selected delivery apparatus is controlled to deliver an article or service to the user.Type: GrantFiled: October 11, 2019Date of Patent: April 6, 2021Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Haijun Su, Yue Li
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Patent number: 10619869Abstract: An air humidifying device and a moving method thereof, an air humidifying system and a control method thereof, and a monitoring system are disclosed. The moving method includes: determining a target region to be humidified, the target region being any one of N to-be-humidified regions, and N being an integer greater than or equal to 2; determining movement trace information of the air humidifying device moving towards the target region; moving to the target region according to the movement trace information; and humidifying the target region. The method is used in a humidifying process of the air humidifying device, which not only expands the scope of air humidification, but also makes the air humidifying device move flexibly.Type: GrantFiled: February 8, 2017Date of Patent: April 14, 2020Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yue Li, Haijun Su
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Patent number: 10600272Abstract: The present application provides an intelligent scheduling system for vending robots and a corresponding method. The system comprises: at least one video monitor, configured to acquire a population image of a plurality of regions and obtain population density information of the plurality of regions by performing image processing on the population image; and a scheduling control server configured to allocate at least one vending robot to the plurality of regions according to the population density information of the plurality of regions and transmit, to the allocated at least one vending robot, a scheduling instruction which specifies a position of a region to which it is allocated, wherein the at least one vending robot is configured to autonomously move to the position of the region to which it is allocated for selling goods according to the scheduling instruction which specifies the position of the region from the scheduling control background server.Type: GrantFiled: August 17, 2017Date of Patent: March 24, 2020Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yue Li, Haijun Su
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Patent number: 10573068Abstract: The present disclosure provides a method, a device, a terminal, a system and a vehicle for visualization of vehicle's blind spot. The method includes: acquiring real-time image data in front of the vehicle; creating a Three-Dimension (3D) map with the acquired image data; determining a current location of the vehicle in the 3D map; acquiring the relative location information between the driver and the sight-blocking object that blocks the vision of the driver; determining the blind spot in the vision of the driver in connection with structure information of the sight-blocking object and the relative location information between the driver and the sight-blocking object that blocks the vision of the driver; and determining environmental information of the blind spot in the vision in accordance with the 3D map, the current location of the vehicle in the 3D map and the blind spot in the vision of the driver.Type: GrantFiled: May 23, 2018Date of Patent: February 25, 2020Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Tong Liu, Yue Li, Haijun Su
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Publication number: 20200050187Abstract: The present application discloses a delivery method and a delivery control device. The delivery method includes steps S1 to S3. In the step S1, request information sent by a user is acquired, the request information including user location information which indicates a current position of the user. In the Step S2, a delivery apparatus for the user is selected among at least two types of delivery apparatuses according to the user location information. In the Step S3, the selected delivery apparatus is controlled to deliver an article or service to the user.Type: ApplicationFiled: October 11, 2019Publication date: February 13, 2020Inventors: Haijun SU, Yue LI