Patents by Inventor Anna Su
Anna 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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Patent number: 10479653Abstract: A monitoring system includes: an imaging sensor configured to sense a lighting device of the passenger conveyor to acquire image data; and a processing apparatus configured to process the image data, the processing apparatus being configured to include: a background acquisition module configured to acquire a background model based on sensed image data; a foreground detection module configured to compare image data sensed in real time with the background model to obtain a foreground object; and a working condition judgment module configured to perform data processing at least based on the foreground object to judge whether the lighting device is in a normal state. Then, a failure or an abnormal lighting state of the lighting device can be timely diagnosed so that maintenance is performed.Type: GrantFiled: July 28, 2017Date of Patent: November 19, 2019Assignee: OTIS ELEVATOR COMPANYInventors: Qiang Li, Jianwei Zhao, ZhaoXia Hu, LongWen Wang, Hui Fang, Zhen Jia, Anna Su
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Patent number: 10364130Abstract: The present invention relates to the field of passenger conveyor technologies, and provides a speed detection system of a passenger conveyor and a speed detection method thereof. In the speed detection system and the speed detection method of the present invention, an imaging sensor and/or a depth sensing sensor are/is used to sense at least one part of the passenger conveyor to acquire sequence frames, and the sequence frames are analyzed by a processing apparatus to obtain at least speed information about steps of the passenger conveyor.Type: GrantFiled: July 28, 2017Date of Patent: July 30, 2019Assignee: OTIS ELEVATOR COMPANYInventors: Yanying Chen, ZhaoXia Hu, Hui Fang, Zhen Jia, Jianwei Zhao, Qiang Li, Anna Su, Alan Matthew Finn
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Patent number: 10282847Abstract: The present invention relates to the field of passenger conveyor technologies, and provides a monitoring system of a passenger conveyor and a monitoring method thereof. In the monitoring system and detection method of the present invention, a monitored object of the passenger conveyor is sensed by using an imaging sensor and/or a depth sensing sensor to acquire a data frame, and the data frame is analyzed by a processing apparatus to monitor whether the monitored object is in a normal state. The monitored object may include a landing plate, a step, a barrier used in a maintenance and repair working condition and/or a step speed, and the like.Type: GrantFiled: July 28, 2017Date of Patent: May 7, 2019Assignee: OTIS ELEVATOR COMPANYInventors: JianGuo Li, ZhaoXia Hu, LongWen Wang, Hui Fang, Zhen Jia, Jianwei Zhao, Qiang Li, Anna Su, Alan Matthew Finn, Wei Ge, Wilfrid Fuchs, Arthur Hsu, Yanzhi Chen
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Patent number: 10221046Abstract: A moving handrail monitoring system includes a sensor configured to sense at least part of a moving handrail of the passenger conveying device to acquire a data frame; a processing device configured to analyze and process the data frame to monitor whether a tension degree of the moving handrail is in a normal state, wherein the processing device is configured to include: a target object recognition module configured to recognize, based on a sensed movement and/or position and/or color and/or shape, a moving handrail portion that serves as a target object from the data frame; an object feature extraction module configured to extract a tension degree feature of the moving handrail portion; and a judgment module configured to compare the extracted tension degree feature with a system preset interval, and judge whether a current tension degree of the moving handrail is normal.Type: GrantFiled: May 10, 2018Date of Patent: March 5, 2019Assignee: OTIS ELEVATOR COMPANYInventors: ZhaoXia Hu, Wilfrid Fuchs, Alois Senger, Hui Fang, Zhen Jia, Jianwei Zhao, Qiang Li, Anna Su, Alan Matthew Finn
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Patent number: 10214391Abstract: The present invention provides a handrail entry monitoring system of a passenger conveyor and a monitoring method thereof, and belongs to the field of passenger conveyor technologies. In the handrail entry monitoring system and the monitoring method of the present invention, at least part of a handrail entry region of the passenger conveyor is sensed by using an imaging sensor and/or a depth sensing sensor, to acquire a data frame, and the data frame is analyzed to monitor whether a handrail entry of the operating passenger conveyor is in a normal state or an abnormal state. The monitoring system of the present invention and the monitoring method thereof can timely and effectively detect a danger that a foreign matter is about to be entrapped into the handrail entry, helping prevent foreign matters from being entrapped into the handrail entry, thereby improving safety of the passenger conveyor.Type: GrantFiled: July 28, 2017Date of Patent: February 26, 2019Assignee: OTIS ELEVATOR COMPANYInventors: LongWen Wang, ZhaoXia Hu, Hui Fang, Zhen Jia, Jianwei Zhao, Qiang Li, Anna Su, Alan Matthew Finn, Gero Gschwendtner
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Patent number: 10183843Abstract: The present invention relates to step roller monitoring and maintenance personnel monitoring of a passenger conveyor, and belongs to the field of passenger conveyor technologies. In the monitoring system and monitoring method of the present invention, an imaging sensor and/or a depth sensing sensor is used to sense the step roller/maintenance personnel of the passenger conveyor to acquire data frames, and the data frames are analyzed and processed to monitor whether the movement or position of the step roller/activity or position of the maintenance personnel is in a normal state.Type: GrantFiled: July 28, 2017Date of Patent: January 22, 2019Assignee: OTIS ELEVATOR COMPANYInventors: ZhaoXia Hu, JianGuo Li, Alois Senger, Hui Fang, Zhen Jia, Jianwei Zhao, Qiang Li, Anna Su, Alan Matthew Finn, Wei Ge, Yanying Chen, LongWen Wang, DuEon Kim
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Patent number: 10173864Abstract: A moving handrail monitoring system includes a sensor configured to sense at least part of a moving handrail of the passenger conveying device to acquire a data frame; a processing device configured to analyze and process the data frame to monitor whether a tension degree of the moving handrail is in a normal state, wherein the processing device is configured to include: a target object recognition module configured to recognize, based on a sensed movement and/or position and/or color and/or shape, a moving handrail portion that serves as a target object from the data frame; an object feature extraction module configured to extract a tension degree feature of the moving handrail portion; and a judgment module configured to compare the extracted tension degree feature with a system preset interval, and judge whether a current tension degree of the moving handrail is normal.Type: GrantFiled: July 28, 2017Date of Patent: January 8, 2019Assignee: OTIS ELEVATOR COMPANYInventors: ZhaoXia Hu, Wilfrid Fuchs, Alois Senger, Hui Fang, Zhen Jia, Jianwei Zhao, Qiang Li, Anna Su, Alan Matthew Finn
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Publication number: 20180257912Abstract: A moving handrail monitoring system includes a sensor configured to sense at least part of a moving handrail of the passenger conveying device to acquire a data frame; a processing device configured to analyze and process the data frame to monitor whether a tension degree of the moving handrail is in a normal state, wherein the processing device is configured to include: a target object recognition module configured to recognize, based on a sensed movement and/or position and/or color and/or shape, a moving handrail portion that serves as a target object from the data frame; an object feature extraction module configured to extract a tension degree feature of the moving handrail portion; and a judgment module configured to compare the extracted tension degree feature with a system preset interval, and judge whether a current tension degree of the moving handrail is normal.Type: ApplicationFiled: May 10, 2018Publication date: September 13, 2018Inventors: ZhaoXia Hu, Wilfrid Fuchs, Alois Senger, Hui Fang, Zhen Jia, Jianwei Zhao, Qiang Li, Anna Su, Alan Matthew Finn
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Patent number: 10071884Abstract: The present invention relates to the field of passenger conveyor technologies, and provides an engaging state detection system of a passenger conveyor and a detection method thereof. In the engaging state detection system and detection method of the present invention, a depth sensing sensor is used to sense at least an engaging portion between a step and a comb plate of the passenger conveyor to obtain depth maps, and the depth maps are analyzed by a processing apparatus to detect whether an engaging state between the step and the comb plate is a normal state. The detection of the engaging state includes detection on whether comb teeth of the comb plate are broken, whether engaging teeth of the step are broken, and/or whether a foreign matter exists on an engaging line.Type: GrantFiled: July 28, 2017Date of Patent: September 11, 2018Assignee: OTIS ELEVATOR COMPANYInventors: JianGuo Li, Nigel Morris, Alois Senger, Jianwei Zhao, ZhaoXia Hu, Qiang Li, Hui Fang, Zhen Jia, Anna Su, Alan Matthew Finn, LongWen Wang, Qian Li, Gero Gschwendtner
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Patent number: 10059569Abstract: A monitoring system and a monitoring method for a passenger conveying device, and the passenger conveying device. The monitoring system comprises an imaging sensor and/or a depth sensing sensor for sensing a monitoring area of the passenger conveying device to acquire data frames; and a processing device for performing data processing on the data frames to monitor whether the monitoring area is abnormal, and configured to comprise: a background acquisition module for acquiring a background model based on data frames sensed when the monitoring area is in a normal state; a foreground detection module for comparing data frames sensed in real time with the background model to obtain a foreground object; a foreground feature extraction module for extracting a corresponding foreground object markup feature from the foreground object; and a state judgment module for judging whether the foreground object belongs to an abnormal population.Type: GrantFiled: July 26, 2017Date of Patent: August 28, 2018Assignee: OTIS ELEVATOR COMPANYInventors: Hui Fang, Zhen Jia, Yanzhi Chen, Alan Matthew Finn, Arthur Hsu, Jianwei Zhao, ZhaoXia Hu, Qiang Li, Anna Su, Longwen Wang, XuLei Guo, Alois Senger
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Patent number: 10046952Abstract: A moving handrail monitoring system includes a sensor configured to sense at least part of a moving handrail of the passenger conveying device to acquire a data frame; a processing device configured to analyze and process the data frame to monitor whether a tension degree of the moving handrail is in a normal state, wherein the processing device is configured to include: a target object recognition module configured to recognize, based on a sensed movement and/or position and/or color and/or shape, a moving handrail portion that serves as a target object from the data frame; an object feature extraction module configured to extract a tension degree feature of the moving handrail portion; and a judgment module configured to compare the extracted tension degree feature with a system preset interval, and judge whether a current tension degree of the moving handrail is normal.Type: GrantFiled: July 28, 2017Date of Patent: August 14, 2018Assignee: OTIS ELEVATOR COMPANYInventors: ZhaoXia Hu, Wilfrid Fuchs, Alois Senger, Hui Fang, Zhen Jia, Jianwei Zhao, Qiang Li, Anna Su, Alan Matthew Finn
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Publication number: 20180029840Abstract: The present invention provides a handrail entry monitoring system of a passenger conveyor and a monitoring method thereof, and belongs to the field of passenger conveyor technologies. In the handrail entry monitoring system and the monitoring method of the present invention, at least part of a handrail entry region of the passenger conveyor is sensed by using an imaging sensor and/or a depth sensing sensor, to acquire a data frame, and the data frame is analyzed to monitor whether a handrail entry of the operating passenger conveyor is in a normal state or an abnormal state. The monitoring system of the present invention and the monitoring method thereof can timely and effectively detect a danger that a foreign matter is about to be entrapped into the handrail entry, helping prevent foreign matters from being entrapped into the handrail entry, thereby improving safety of the passenger conveyor.Type: ApplicationFiled: July 28, 2017Publication date: February 1, 2018Inventors: LongWen Wang, ZhaoXia Hu, Hui Fang, Zhen Jia, Jianwei Zhao, Qiang Li, Anna Su, Alan Matthew Finn, Gero Gschwendtner
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Publication number: 20180029838Abstract: A monitoring system and a monitoring method for a passenger conveying device, and the passenger conveying device. The monitoring system comprises an imaging sensor and/or a depth sensing sensor for sensing a monitoring area of the passenger conveying device to acquire data frames; and a processing device for performing data processing on the data frames to monitor whether the monitoring area is abnormal, and configured to comprise: a background acquisition module for acquiring a background model based on data frames sensed when the monitoring area is in a normal state; a foreground detection module for comparing data frames sensed in real time with the background model to obtain a foreground object; a foreground feature extraction module for extracting a corresponding foreground object markup feature from the foreground object; and a state judgment module for judging whether the foreground object belongs to an abnormal population.Type: ApplicationFiled: July 26, 2017Publication date: February 1, 2018Inventors: Hui Fang, Zhen Jia, Yanzhi Chen, Alan Matthew Finn, Arthur Hsu, Jianwei Zhao, ZhaoXia Hu, Qiang Li, Anna Su, Longwen Wang, XuLei Guo, Alois Senger
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Publication number: 20180029842Abstract: The present invention relates to the field of passenger conveyor technologies, and provides a monitoring system of a passenger conveyor and a monitoring method thereof. In the monitoring system and detection method of the present invention, a monitored object of the passenger conveyor is sensed by using an imaging sensor and/or a depth sensing sensor to acquire a data frame, and the data frame is analyzed by a processing apparatus to monitor whether the monitored object is in a normal state. The monitored object may include a landing plate, a step, a barrier used in a maintenance and repair working condition and/or a step speed, and the like.Type: ApplicationFiled: July 28, 2017Publication date: February 1, 2018Inventors: JianGuo Li, ZhaoXia Hu, LongWen Wang, Hui Fang, Zhen Jia, Jianwei Zhao, Qiang Li, Anna Su, Alan Matthew Finn, Wei Ge, Wilfrid Fuchs, Arthur Hsu, Yanzhi Chen
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Publication number: 20180029836Abstract: A temperature monitoring system for a passenger transport apparatus includes a temperature detection apparatus; and a control apparatus. When the temperature of at least one of a plurality of components is lower than a working temperature range, the control apparatus sends out a notification message and/or enables a heating apparatus to heat the component; when the temperature of at least one of the plurality of components reaches an early warning temperature range, the control apparatus sends out a notification message and/or enables a heat dissipation apparatus to dissipate heat for the component; and when the temperature of at least one of the plurality of components continues to rise and exceeds the working temperature range, the control apparatus sends out a notification message and/or enables the passenger transport apparatus to brake. The present invention is able to monitor a component running condition and predict a component service life.Type: ApplicationFiled: July 28, 2017Publication date: February 1, 2018Inventors: Yanying Chen, ZhaoXia Hu, Wilfrid Fuchs, Alois Senger, Hui Fang, Zhen Jia, Jianwei Zhao, Qiang Li, Anna Su
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Publication number: 20180029839Abstract: The present invention relates to the field of passenger conveyor technologies, and provides a speed detection system of a passenger conveyor and a speed detection method thereof. In the speed detection system and the speed detection method of the present invention, an imaging sensor and/or a depth sensing sensor are/is used to sense at least one part of the passenger conveyor to acquire sequence frames, and the sequence frames are analyzed by a processing apparatus to obtain at least speed information about steps of the passenger conveyor.Type: ApplicationFiled: July 28, 2017Publication date: February 1, 2018Inventors: Yanying Chen, ZhaoXia Hu, Hui Fang, Zhen Jia, Jianwei Zhao, Qiang Li, Anna Su, Alan Matthew Finn
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Publication number: 20180029841Abstract: The present invention relates to the field of passenger conveyor technologies, and provides an engaging state detection system of a passenger conveyor and a detection method thereof. In the engaging state detection system and detection method of the present invention, a depth sensing sensor is used to sense at least an engaging portion between a step and a comb plate of the passenger conveyor to obtain depth maps, and the depth maps are analyzed by a processing apparatus to detect whether an engaging state between the step and the comb plate is a normal state. The detection of the engaging state includes detection on whether comb teeth of the comb plate are broken, whether engaging teeth of the step are broken, and/or whether a foreign matter exists on an engaging line.Type: ApplicationFiled: July 28, 2017Publication date: February 1, 2018Inventors: JianGuo Li, Nigel Morris, Alois Senger, Jianwei Zhao, ZhaoXia Hu, Qiang Li, Hui Fang, Zhen Jia, Anna Su, Alan Matthew Finn, LongWen Wang, Qian Li, Gero Gschwendtner
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Publication number: 20180032598Abstract: The present invention provides a big data analysis and processing system and method for a passenger transport apparatus, wherein the big data analysis and processing system comprises: a data collection module, the data collection module comprising: an imaging sensor and/or depth sensing sensor, configured to constantly collect image data and/or depth map data of at least one region of the passenger transport apparatus; and an image processing module, configured to process the image data and/or depth map data to acquire a plurality of types of data of the passenger transport apparatus, comprising one or more of device running data, load data, abnormal behavior data and contingency data; a database, the database gathering and storing the plurality of types of data; and a statistical analysis unit, the statistical analysis unit performing classification and statistics on the plurality of types of data according to a statistical analysis method, and generating an analysis report.Type: ApplicationFiled: July 28, 2017Publication date: February 1, 2018Inventors: Alois Senger, Yanying Chen, ZhaoXia Hu, Zhen Jia, JianGuo Li, Hui Fang, Jianwei Zhao, Qiang Li, Anna Su, Alan Matthew Finn, Nigel Morris
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Publication number: 20180029835Abstract: A monitoring system includes: an imaging sensor configured to sense a lighting device of the passenger conveyor to acquire image data; and a processing apparatus configured to process the image data, the processing apparatus being configured to include: a background acquisition module configured to acquire a background model based on sensed image data; a foreground detection module configured to compare image data sensed in real time with the background model to obtain a foreground object; and a working condition judgment module configured to perform data processing at least based on the foreground object to judge whether the lighting device is in a normal state. Then, a failure or an abnormal lighting state of the lighting device can be timely diagnosed so that maintenance is performed.Type: ApplicationFiled: July 28, 2017Publication date: February 1, 2018Inventors: Qiang Li, Jianwei Zhao, ZhaoXia Hu, LongWen Wang, Hui Fang, Zhen Jia, Anna Su
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Publication number: 20180029834Abstract: The present invention relates to step roller monitoring and maintenance personnel monitoring of a passenger conveyor, and belongs to the field of passenger conveyor technologies. In the monitoring system and monitoring method of the present invention, an imaging sensor and/or a depth sensing sensor is used to sense the step roller/maintenance personnel of the passenger conveyor to acquire data frames, and the data frames are analyzed and processed to monitor whether the movement or position of the step roller/activity or position of the maintenance personnel is in a normal state.Type: ApplicationFiled: July 28, 2017Publication date: February 1, 2018Inventors: ZhaoXia Hu, JianGuo Li, Alois Senger, Hui Fang, Zhen Jia, Jianwei Zhao, Qiang Li, Anna Su, Alan Matthew Finn, Wei Ge, Yanying Chen, LongWen Wang, DuEon Kim