Patents by Inventor BeiBei Xu
BeiBei Xu 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: 11798407Abstract: A method and system for identifying a lane changing intention of a manually driven vehicle are disclosed. The method includes: preprocessing a preset vehicle trajectory data set; extracting vehicle traveling features and driving behavior features of a target vehicle; constructing a vehicle following and lane changing decision prediction model based on machine learning, and inputting the preprocessed vehicle trajectory data set into the prediction model for training; obtaining a speed, an acceleration and a vehicle head distance of the target vehicle according to the vehicle traveling features of the target vehicle, and obtaining a large vehicle feature value and a clustering feature value according to the driving behavior features of the target vehicle; and inputting the speed, the acceleration, the vehicle head distance, the large vehicle feature value and the clustering feature value into the trained prediction model to obtain a lane changing intention identification result of the target vehicle.Type: GrantFiled: October 31, 2022Date of Patent: October 24, 2023Assignee: SOOCHOW UNIVERSITYInventors: Xiang Wang, Zhangji Ling, Shufan Han, Yuyao Zan, Beibei Xu, Jiayi Song, Fangyu Feng, Zichun Peng
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Patent number: 11604016Abstract: Provided is a control method on electronic expansion valve in air conditioner comprises: obtaining a real-time running frequency of compressor, a real-time exhaust temperature and a real-time outdoor environment temperature as the compressor running; comparing the real-time running frequency of compressor with a first set frequency; if the real-time running frequency is greater than or equal to the first set frequency, obtaining an integral coefficient of the PID algorithm according to a first set rule; if the real-time running frequency is less than the first set frequency, obtaining an integral coefficient of the PID algorithm according to the comparison of the real-time outdoor environment temperature and the first set outdoor environment temperature and a second set rule, or according to the comparison of the real-time outdoor environment temperature and the first set outdoor environment temperature and a third set rule, wherein the selection is based on whether the air conditioner is working in cooling mType: GrantFiled: February 9, 2017Date of Patent: March 14, 2023Assignee: QINGDAO HAIER AIR CONDITIONER GENERAL CORP., LTD.Inventors: Wenming Xu, Yu Fu, Mingjie Zhang, Fei Wang, Beibei Xu, Juke Liu, Rongbang Luo, Junjun Yuan, Shuang Ding
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Patent number: 11584077Abstract: Provided are a resin reservoir (1) for photocuring for use in a 3D printer and a 3D printer using the resin reservoir (1). The resin reservoir (1) comprises: a reservoir body (11) for accommodating a liquid photosensitive resin, at least one side wall of the reservoir body (11) being an optically-transmissive wall (111); a transverse guide element (12) disposed at the reservoir body (11); and a load-bearing element (13) disposed inside the reservoir body (11) and capable of moving transversely along the guide element (12), wherein a load-bearing surface of the load-bearing element (13) faces the optically-transmissive wall (111). The resin reservoir (1) and the 3D printer enable a printed object to be transversely formed at the load-bearing element (13) and kept immersed in the liquid photosensitive resin, and a buoyancy provided by the liquid photosensitive resin can substantially offset the weight of the printed object.Type: GrantFiled: May 25, 2021Date of Patent: February 21, 2023Assignee: GOLD ARRAY TECHNOLOGY (BEIJING), LLCInventors: Houmin Li, Xueyang Song, Shanding Ye, Yikun Wang, Kaiqiang Zhu, Beibei Xu
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Patent number: 11415336Abstract: A method for controlling the heating operation of an air conditioner.Type: GrantFiled: April 6, 2018Date of Patent: August 16, 2022Assignee: QINGDAO HAIER AIR CONDITIONER GENERAL CORP., LTD.Inventors: Juke Liu, Beibei Xu, Guojing Xu, Xingyu Lv
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Publication number: 20210372014Abstract: A bimorph meta fiber is formed through spinning of two antagonistic polymer melts, one of which contains pre-compounded optical nanostructures, into an eccentric sheath-core configuration or a side-by-side key-lock configuration. The bimorph meta fiber is capable of an adaptive regulation of the infrared radiation responsive to humidity level deviation from a comfort zone or perspiration level of the wearer of the garment fabricated from the meta fibers. The bimorph meta fibers are humidity/heat trained to attain dynamical environmentally responsive behavior to maintain the humidity/thermal comfort zone at various the humidity level fluctuations.Type: ApplicationFiled: April 30, 2019Publication date: December 2, 2021Inventors: YuHuang WANG, Zhiwei PENG, Beibei XU, Behnam POURDEYHIMI, Abhay JOIJODE
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Patent number: 11181287Abstract: A heating mode control method of an air conditioner, comprises: obtaining an indoor temperature and calculating the difference between the indoor temperature and an indoor target temperature to obtain an indoor temperature difference as air conditioner running at heating mode; performing a coil temperature control process as the indoor temperature difference in a set indoor temperature difference range, wherein the coil temperature control process including: obtaining an indoor coil temperature and controlling the frequency of the compressor according to the indoor coil temperature and a coil target temperature. The application of the method can achieve the purpose of improving the heating effect by increasing the outlet air temperature, thus improving the heating performance of an air-conditioner.Type: GrantFiled: May 26, 2017Date of Patent: November 23, 2021Assignee: QINGDAO HAIER AIR CONDITIONER GENERAL CORP., LTD.Inventors: Beibei Xu, Juke Liu, Lin Ma, Jian Miao, Xiangjun Li, Jinlong Liu, Huihua Wang, Yongfu Cheng
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Publication number: 20210276256Abstract: A photocuring 3D printer includes: a resin tank including a tank body for containing a liquid photosensitive resin, at least one side wall of the tank body being an optically-transmissive wall; a transverse guide element arranged on the tank body; and a load-bearing element arranged inside the tank body and movable transversely along the guide element, a light source provided outside the optically-transmissive wall, and an LCD display unit having a same area as the optically-transmissive wall and covered at an outer side or an inner side of the optically-transmissive wall.Type: ApplicationFiled: May 25, 2021Publication date: September 9, 2021Applicant: Gold Array Technology (Beijing), LLCInventors: Houmin LI, Xueyang SONG, Shanding YE, Yikun WANG, Kaiqiang ZHU, Beibei XU
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Publication number: 20210164685Abstract: A method for controlling the heating operation of an air conditioner.Type: ApplicationFiled: April 6, 2018Publication date: June 3, 2021Applicant: QINGDAO HAIER AIR CONDITIONER GENERAL CORP., LTD.Inventors: Juke LIU, Beibei XU, Guojing XU, Xingyu LV
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Patent number: 10976089Abstract: Provided is a control method for an electronic expansion valve in air conditioner comprises: obtaining a real-time running frequency of compressor, a real-time exhaust temperature and a real-time outdoor environment temperature as the compressor running; retrieving a target exhaust temperature according to the real-time running frequency in a preset relation in which each available target exhaust temperature is paired with a single real-time running frequency, wherein the target exhaust temperature retrieved being defined as a first target exhaust temperature; defining a sum of the first target exhaust temperature and a set compensation temperature as a second target exhaust temperature, wherein the set compensation temperature is determined by the real-time outdoor environment temperature; and performing a PID control on opening amount of the electronic expansion valve based on a deviation that is a difference between the real-time exhaust temperature and the second target exhaust temperature.Type: GrantFiled: February 9, 2017Date of Patent: April 13, 2021Assignee: QINGDAO HAIER AIR CONDITIONER GENERAL CORP., LTD.Inventors: Wenming Xu, Yu Fu, Mingjie Zhang, Fei Wang, Beibei Xu, Juke Liu, Rongbang Luo, Bo Li, Zhiqiang Ren
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Patent number: 10830471Abstract: An air conditioner heating mode control method includes: obtaining an indoor temperature and comparing the indoor temperature with a first indoor temperature threshold as an air conditioner running at the heating mode; performing a dual PID control process if the indoor temperature is less than or equal to the first indoor temperature threshold. The dual PID control process obtains an indoor temperature difference; performs a PID calculation according to the indoor temperature difference to obtain a first target frequency; obtains a coil temperature difference; performs a PID calculation according to the coil temperature difference to obtain a second target frequency; compares the first and second target frequencies; and performs a frequency control on the compressor in which the greater one between the first target frequency and the second target frequency is used as the target frequency. The present invention includes an air conditioner heating mode control device.Type: GrantFiled: March 5, 2018Date of Patent: November 10, 2020Assignee: QINGDAO HAIER AIR CONDITIONER GENERAL CORP., LTD.Inventors: Juke Liu, Beibei Xu, Guojing Xu
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Patent number: 10828965Abstract: Provided is a control method on electronic expansion valve in air conditioner, which comprises: obtaining a real-time running frequency of compressor, a real-time exhaust temperature and a real-time outdoor environment temperature as the compressor running; if the air conditioner working in cooling mode, using a first set rule or a second set rule to obtain an integral coefficient in which the selection is based on the comparison of the real-time outdoor environment temperature and a first set outdoor environment temperature; if the air conditioner working in heating mode, using a first set rule or a third set rule to obtain an integral coefficient in which the selection is based on the comparison of the real-time outdoor environment temperature and a second set outdoor environment temperature; performing a PID control on the electronic expansion valve by using an error of the difference between real-time exhaust temperature and a set target exhaust temperature.Type: GrantFiled: February 9, 2017Date of Patent: November 10, 2020Assignee: QINGDAO HAIER AIR CONDITIONER GENERAL CORP., LTD.Inventors: Wenming Xu, Yu Fu, Mingjie Zhang, Fei Wang, Beibei Xu, Juke Liu, Rongbang Luo, Junjun Yuan, Shuang Ding
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Publication number: 20200254686Abstract: A resin tank applicable to a photocuring 3D printer includes: a tank body for containing a liquid photosensitive resin, at least one side wall of the tank body being an optically-transmissive wall; a transverse guide element arranged on the tank body; and a load-bearing element arranged inside the tank body and movable transversely along the guide element, wherein a load-bearing surface of the load-bearing element faces the optically-transmissive wall.Type: ApplicationFiled: June 19, 2017Publication date: August 13, 2020Applicant: Gold Array Technology (Beijing), LLCInventors: Houmin LI, Xueyang SONG, Shanding YE, Yikun WANG, Kaiqiang ZHU, Beibei XU
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Publication number: 20190323716Abstract: An air conditioner heating mode control method includes: Step 11: obtaining an indoor temperature and comparing the indoor temperature with a first indoor temperature threshold as an air conditioner running at the heating mode; Step 12: performing a dual PID control process if the indoor temperature is less than or equal to the first indoor temperature threshold; wherein the dual PID control process including: calculating the difference between the indoor temperature and a set indoor target temperature to obtain a indoor temperature difference; performing a PID calculation according to the indoor temperature difference to obtain a first target frequency; obtaining a coil temperature of an indoor unit heat exchanger; calculating the temperature difference between the coil temperature and a coil target temperature to obtain a coil temperature difference; performing a PID calculation according to the coil temperature difference to obtain a second target frequency; comparing the first target frequency with the seType: ApplicationFiled: March 5, 2018Publication date: October 24, 2019Inventors: Juke LIU, Beibei XU, Guojing XU
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Publication number: 20190323717Abstract: A heating mode control method of an air conditioner, comprises: obtaining an indoor temperature and calculating the difference between the indoor temperature and an indoor target temperature to obtain an indoor temperature difference as air conditioner running at heating mode; performing a coil temperature control process as the indoor temperature difference in a set indoor temperature difference range, wherein the coil temperature control process including: obtaining an indoor coil temperature and controlling the frequency of the compressor according to the indoor coil temperature and a coil target temperature. The application of the method can achieve the purpose of improving the heating effect by increasing the outlet air temperature, thus improving the heating performance of an air-conditioner.Type: ApplicationFiled: May 26, 2017Publication date: October 24, 2019Inventors: Beibei XU, Juke LIU, Lin MA, Jian MIAO, Xiangjun LI, Jinlong LIU, Huihua WANG, Yongfu CHENG
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Publication number: 20190316797Abstract: An air conditioner control method includes: obtaining a current ambient temperature when the air conditioner is being powered on, and selecting a current operational parameter corresponding to the current ambient temperature from stored optimal operational parameters which are paired with historical ambient temperatures; performing a control process on the air conditioner according to the current operational parameter; wherein a one-to-one correspondence between the historical ambient temperatures and the optimal operational parameters obtained by a process including: obtaining a continuous running time since this start, how many times operational parameters being modified since this start and a ambient temperature since this start as receiving a power-off signal; obtaining an allowed modification times of operational parameters during the running duration, which corresponds to the continuous running time since this start, if the times of the operational parameters being modified obtained is not greater thanType: ApplicationFiled: March 5, 2018Publication date: October 17, 2019Inventors: Keqiang XIAO, BeiBei XU, Li GUO, Deliang REN, Juke LIU, Yongfu CHENG
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Publication number: 20190310001Abstract: Provided is a control method on electronic expansion valve in air conditioner comprises: obtaining a real-time running frequency of compressor, a real-time exhaust temperature and a real-time outdoor environment temperature as the compressor running; comparing the real-time running frequency of compressor with a first set frequency; if the real-time running frequency is greater than or equal to the first set frequency, obtaining an integral coefficient of the PID algorithm according to a first set rule; if the real-time running frequency is less than the first set frequency, obtaining an integral coefficient of the PID algorithm according to the comparison of the real-time outdoor environment temperature and the first set outdoor environment temperature and a second set rule, or according to the comparison of the real-time outdoor environment temperature and the first set outdoor environment temperature and a third set rule, wherein the selection is based on whether the air conditioner is working in cooling mType: ApplicationFiled: February 9, 2017Publication date: October 10, 2019Inventors: Wenming XU, Yu FU, Mingjie ZHANG, Fei WANG, Beibei XU, Juke LIU, Rongbang LUO, Junjun YUAN, Shuang DING
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Patent number: 10399270Abstract: Disclosed is a photo-curing 3D printer comprising a storage unit for accommodating liquid photosensitive resin and a light source disposed underneath the storage unit. Wavelength of light rays emitted by the light source is 420˜460 nm. A bottom of the storage unit is configured to display a pattern composed of a shielding area for shielding the light rays and a transmissive area for passing-through of the light rays. In addition, the disclosure provides a 3D printing method. Due to the limitations of photopolymerization initiators and the LCD display unit currently available, it was unexpected to complete photo-curing 3D printing with a light source with 420˜460 nm wavelength. It is unexpected that a photo-curing 3D printer as provided in the present application not only can ensure the service life of the LCD display unit but also that the curing efficiency is significantly higher than existing devices.Type: GrantFiled: June 18, 2015Date of Patent: September 3, 2019Assignee: GOLD ARRAY TECHNOLOGY (BEIJING) LLCInventors: Beibei Xu, Yikun Wang, Zhenliang Liu, Kaiqiang Zhu, Yiyang Fan, Houmin Li
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Publication number: 20190255915Abstract: Provided is a control method on electronic expansion valve in air conditioner, which comprises: obtaining a real-time running frequency of compressor, a real-time exhaust temperature and a real-time outdoor environment temperature as the compressor running; if the air conditioner working in cooling mode, using a first set rule or a second set rule to obtain an integral coefficient in which the selection is based on the comparison of the real-time outdoor environment temperature and a first set outdoor environment temperature; if the air conditioner working in heating mode, using a first set rule or a third set rule to obtain an integral coefficient in which the selection is based on the comparison of the real-time outdoor environment temperature and a second set outdoor environment temperature; performing a PID control on the electronic expansion valve by using an error of the difference between real-time exhaust temperature and a set target exhaust temperature.Type: ApplicationFiled: February 9, 2017Publication date: August 22, 2019Inventors: Wenming XU, Yu FU, Mingjie ZHANG, Fei WANG, Beibei XU, Juke LIU, Rongbang LUO, Junjun YUAN, Shuang DING
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Publication number: 20190257563Abstract: Provided is a control method for an electronic expansion valve in air conditioner comprises: obtaining a real-time running frequency of compressor, a real-time exhaust temperature and a real-time outdoor environment temperature as the compressor running; retrieving a target exhaust temperature according to the real-time running frequency in a preset relation in which each available target exhaust temperature is paired with a single real-time running frequency, wherein the target exhaust temperature retrieved being defined as a first target exhaust temperature; defining a sum of the first target exhaust temperature and a set compensation temperature as a second target exhaust temperature, wherein the set compensation temperature is determined by the real-time outdoor environment temperature ; and performing a PID control on opening amount of the electronic expansion valve based on a deviation that is a difference between the real-time exhaust temperature and the second target exhaust temperature .Type: ApplicationFiled: February 9, 2017Publication date: August 22, 2019Inventors: Wenming XU, Yu FU, Mingjie ZHANG, Fei WANG, Beibei XU, Juke LIU, Rongbang LUO, Bo LI, Zhiqiang REN
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Publication number: 20180036941Abstract: Disclosed is a photo-curing 3D printer comprising a storage unit for accommodating liquid photosensitive resin and a light source disposed underneath the storage unit. Wavelength of light rays emitted by the light source is 420˜460 nm. A bottom of the storage unit is configured to display a pattern composed of a shielding area for shielding the light rays and a transmissive area for passing-through of the light rays. In addition, the disclosure provides a 3D printing method. Due to the limitations of photopolymerization initiators and the LCD display unit currently available, it was unexpected to complete photo-curing 3D printing with a light source with 420˜460 nm wavelength. It is unexpected that a photo-curing 3D printer as provided in the present application not only can ensure the service life of the LCD display unit but also that the curing efficiency is significantly higher than existing devices.Type: ApplicationFiled: June 18, 2015Publication date: February 8, 2018Applicant: GOLD ARRAY TECHNOLOGY (BEIJING), LLCInventors: Beibei Xu, Yikun Wang, Zhenliang Liu, Kaiqiang Zhu, Yiyang Fan, Houmin Li