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公开(公告)号：US20170089824A1
公开(公告)日：2017-03-30
申请号：US15272697
申请日：2016-09-22
发明人： Zichen Xu , Guixue Wang , Wenfeng Xu , Xiaoling Liao
CPC分类号： G01N15/1436 , C12M41/14 , C12M41/46 , G01N15/1404 , G01N15/147 , G01N33/4915 , G01N2015/0065 , G01N2015/1006 , G01N2015/144 , G02B21/34 , G02B21/362
摘要： A method of using a device for conducting a vascular hemodynamic bionic cell experiment is provided, the method comprises: firstly, experiment preparation; and secondly, experiment operation, namely, switching on a peristaltic pump, pumping a circulation liquid from a collection bottle into an independently corresponding shunting chamber of a corresponding shunting bottle through a collection bottle sampling tube of an independent chamber of a collection bottle, after shunting by the shunting chamber of the shunting bottle, the circulation liquid flowing out of a branch shunting tube flows to a corresponding flow chamber on the 1-3 flow chamber platforms placed side by side, and then converging the circulation liquid to a corresponding independent chamber of the collection bottle through respective sampling tubes of the flow chamber platforms. The method provided by the present disclosure has the technical characteristics of strong practicability and low manufacturing cost, and can perform a vascular hemodynamic bionic cell experiment under multiple conditions with multiple parameters when used in combination with different models of shunting bottles and flow chamber platforms.
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公开(公告)号：US09784662B2
公开(公告)日：2017-10-10
申请号：US15272697
申请日：2016-09-22
发明人： Zichen Xu , Guixue Wang , Wenfeng Xu , Xiaoling Liao
IPC分类号： C12M3/00 , C12M1/34 , G01N15/14 , G01N33/49 , G02B21/36 , G02B21/34 , G01N15/00 , G01N15/10 , C12M1/00
CPC分类号： G01N15/1436 , C12M41/14 , C12M41/46 , G01N15/1404 , G01N15/147 , G01N33/4915 , G01N2015/0065 , G01N2015/1006 , G01N2015/144 , G02B21/34 , G02B21/362
摘要： A method of using a device for conducting a vascular hemodynamic bionic cell experiment is provided, the method comprises: firstly, experiment preparation; and secondly, experiment operation, namely, switching on a peristaltic pump, pumping a circulation liquid from a collection bottle into an independently corresponding shunting chamber of a corresponding shunting bottle through a collection bottle sampling tube of an independent chamber of a collection bottle, after shunting by the shunting chamber of the shunting bottle, the circulation liquid flowing out of a branch shunting tube flows to a corresponding flow chamber on the 1-3 flow chamber platforms placed side by side, and then converging the circulation liquid to a corresponding independent chamber of the collection bottle through respective sampling tubes of the flow chamber platforms. The method provided by the present disclosure has the technical characteristics of strong practicability and low manufacturing cost, and can perform a vascular hemodynamic bionic cell experiment under multiple conditions with multiple parameters when used in combination with different models of shunting bottles and flow chamber platforms.
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公开(公告)号：US11580979B2
公开(公告)日：2023-02-14
申请号：US17141592
申请日：2021-01-05
申请人： Chongqing University
发明人： Yongduan Song , Junfeng Lai , Xin Zhou
IPC分类号： G10L15/22 , G06F40/35 , G10L13/02 , G10L15/16 , H04N21/262 , G06F40/205 , G10L15/18 , G10L15/30 , H04R3/00
摘要： In some embodiments, methods and systems for pushing audiovisual playlists based on a text-attentional convolutional neural network include a local voice interactive terminal, a dialog system server and a playlist recommendation engine, where the dialog system server and the playlist recommendation engine are respectively connected to the local voice interactive terminal. In some embodiments, the local voice interactive terminal includes a microphone array, a host computer connected to the microphone array, and a voice synthesis chip board connected to the microphone array. In some embodiments, the playlist recommendation engine obtains rating data based on a rating predictor constructed by the neural network; the host computer parses the data into recommended playlist information; and the voice terminal synthesizes the results and pushes them to a user in the form of voice.
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公开(公告)号：US20230025527A1
公开(公告)日：2023-01-26
申请号：US17681510
申请日：2022-02-25
申请人： CHONGQING UNIVERSITY , STAR INSTITUTE OF INTELLIGENT SYSTEMS , DB (CHONGQING) INTELLIGENT TECHNOLOGY RESEARCH INSTITUTE CO., LTD. , UNIVERSITY OF ELECTRONIC SCIENCE AND TECHNOLOGY OF CHINA
发明人： YONGDUAN SONG , FENG YANG , RUI LI , QIN CHEN , SHICHUN WANG , HONGYU XIA , CAISHI HE , SHIHAO PU
IPC分类号： G06T7/73 , G06V40/16 , G06V40/18 , G06V10/82 , G06V10/776
摘要： Embodiments of the present disclosure provide a quantitative method and system for attention based on a line-of-sight estimation neural network, which improves the stability and training efficiency of the line-of-sight estimation neural network. A few-sample learning method is applied to training of the line-of-sight estimation neural network, which improves generalization performance of the line-of-sight estimation neural network. A nonlinear division method for small intervals of angles of the line of sight is provided, which reduces an estimation error of the line-of-sight estimation neural network. Eye opening and closing detection is added to avoid the line-of-sight estimation error caused by an eye closing state. A method for solving a landing point of the line of sight is provided, which has high environmental adaptability and can be quickly used in actual deployment.
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公开(公告)号：US20230023650A1
公开(公告)日：2023-01-26
申请号：US17868726
申请日：2022-07-19
申请人： CHONGQING UNIVERSITY
发明人： YUAN YUAN , GUOYONG LIU , RUIJIN LIAO , HUIYING XIANG
摘要： The present invention provides a self-healing anti-icing ACSR with composite microporous structure, which is formed lower layer pores with a small diameter (durable storage remediator) and upper layer pores with a large diameter (increase a proportion of air cushion to improve anti-icing performance) by growing a uniform porous aluminum membrane on the surface of an aluminum base body. By optimizing the diameter and thickness of the lower layer pores and upper layer pores, and under the action of air pressure, capillary force and surface energy, a low surface energy remediator is immersed in pores, so an anti-icing ACSR with durable excellent anti-icing self-healing performance is prepared. The invention improves the anti-icing performance of the ACSR in practical applications and the self-healing of the anti-icing performance after being damaged, thereby extending the anti-icing life of the ACSR and improving the durable anti-icing performance thereof.
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公开(公告)号：US11483341B2
公开(公告)日：2022-10-25
申请号：US16629964
申请日：2018-03-06
发明人： Min Wei , Tao Yang , Jiuchao Mao , Qiaoyue Pang , Ping Wang
摘要： The present invention relates to a DDoS attack detection and mitigation method for an industrial SDN network, and belongs to the field of network security. According to the method, by means of the cooperation between an east-west interface of an SDN controller in an industrial backhaul network and a system manager of an industrial access network, in conjunction with the features of the industrial backhaul network and an industrial access network data packet, a flow entry matching field of an OpenFlow switch is extended, and a flow table 0 is set to be a “flow table dedicated to DDoS attack mitigation” for defending against an attacking data flow in a timely manner. By using the SDN controller of an industrial backhaul network and a DDoS attack detection and mitigation system, an attacking data flow is identified and a DDoS attack source is found, and the policy of mitigating a DDoS attack is implemented by means of scheduling a system manager of the industrial access network. According to the present invention, the normal traffic of an industrial backhaul network and an industrial access network is ensured, and a threat posed by a DDoS attack to the security of an industrial network is overcome.
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公开(公告)号：US11473824B2
公开(公告)日：2022-10-18
申请号：US17144540
申请日：2021-01-08
摘要： The present disclosure discloses a heat-source-tower heat pump system combined with an ice maker. The system includes a heat source tower and a heat pump unit. The system further includes an ice maker. The liquid outlet of the heat source tower is connected to the liquid inlet of the ice maker through a pipeline. The concentrated liquid outlet of the ice maker is connected to the liquid return port of the heat source tower. The cold outlet of the heat pump unit is connected to the cold inlet of the ice maker through a pipeline. The hot return port of the ice maker is connected to the hot inlet of the heat pump unit through a pipeline. The cold inlet and the hot outlet of the heat pump unit are respectively connected to corresponding outlet and inlet of an end of a user.
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公开(公告)号：US11424974B2
公开(公告)日：2022-08-23
申请号：US17086486
申请日：2020-11-02
发明人： Guangyu Wang , Qianbin Chen , Kai Shao , Ling Zhuang
摘要： The present disclosure provides a multi-carrier time-division multiplexing (MC-TDMA) modulation and demodulation method and system. Before multi-carrier modulation is performed on an input symbol, an interleaving allocation and an FFT may be performed, a time domain symbol may be transformed into a frequency domain symbol signal to perform a MDFT treatment. A sending end may adopt an analyzing filter bank structure, and pre-filtering and an IFFT may be performed on a signal successively. A pre-filter may be positioned between an NM point FFT and an M point IFFT, a PAPR value of the system may be reduced using the symmetry of a coefficient of a filter, and a frequency domain symbol signal may be allocated to different sub-bands for multi-carrier modulation.
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公开(公告)号：US20220243782A1
公开(公告)日：2022-08-04
申请号：US17373248
申请日：2021-07-12
摘要： A horizontally arranged six-degree-of-freedom constant-stiffness mechanism is provided, and includes an upper platform, a bottom plate, three composite spherical hinges, spherical hinges, support rods, guide rail slider assemblies, and six electromagnetic adjustable stiffness units. Two ends of a shaft on which a permanent magnet is fixed in each electromagnetic adjustable stiffness unit are fixed to the bottom plate via shaft supports. Axially moving housings of electromagnetic adjustable stiffness units are fixed on sliders of the guide rail slider assemblies via slider backing plates respectively. Guide rail slider assembles are fixed on the bottom plate. Tops of the housings are mounted with the spherical hinges respectively. A bottom of the upper platform is uniformly mounted with the composite spherical hinges. One end of each support rod is threadedly connected to a corresponding one of the spherical hinges, and another end is connected with a corresponding one of composite spherical hinges.
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公开(公告)号：US20220180090A1
公开(公告)日：2022-06-09
申请号：US17349170
申请日：2021-06-16
申请人： Chongqing University
发明人： Yongduan Song , Li Huang , Shilei Tan , Junfeng Lai , Huan Liu , Ziqiang Jiang , Jie Zhang , Huan Chen , Jiangyu Wu , Hong Long , Fang Hu , Qin Hu
摘要： The present disclosure provides a neural network-based visual detection and tracking method of an inspection robot, which includes the following steps of: 1) acquiring environmental images of a dynamic background a movement process of the robot; 2) preprocessing the acquired images; 3) detecting human targets and specific behaviors in the images in the robot body, and saving the sizes, position information and features of the human targets with the specific behaviors; 4) controlling the orientation of a robot gimbal by using a target tracking algorithm to make sure that a specific target is always located at the central positions of the images; and 5) controlling the robot to move along with a tracked object. The neural network-based visual detection and tracking method of an inspection robot in the present disclosure has a quite high adaptive ability, achieves better detection and tracking effects on targets in a dynamic background scene.
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