Patents by Inventor Shihai Yang
Shihai Yang 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).
-
Publication number: 20240072903Abstract: An optical module includes a shell, a circuit board, a light source and a silicon optical chip. The silicon optical chip includes a modulator. The circuit board includes a first sampling circuit configured to generate a first sampling signal, a second sampling circuit configured to generate a second sampling signal, and a processing circuit. The first sampling circuit is connected in series with the second sampling circuit, and a connection terminal of the first sampling circuit and the second sampling circuit is located between a first photodetector of the first sampling circuit and a second photodetector of the second sampling circuit. The processing circuit is configured to send a driving signal to the modulator according to a signal transmitted at the connection terminal of the first sampling circuit and the second sampling circuit, so as to control heating of the modulator or change phase of light in the modulator.Type: ApplicationFiled: November 6, 2023Publication date: February 29, 2024Applicant: HISENSE BROADBAND MULTIMEDIA TECHNOLOGIES CO., LTD.Inventors: Liu YANG, Qiang ZHANG, Shihai YANG
-
Patent number: 11848707Abstract: An optical module includes a shell, a circuit board, a light source and a silicon optical chip. The light source is configured to emit light. The silicon optical chip includes a modulator, and the modulator is configured to receive the light emitted by the light source and modulate the light into an optical signal. The circuit board includes a first sampling circuit, a second sampling circuit and a processing circuit. The first sampling circuit is configured to generate a first sampling signal. The second sampling circuit is configured to generate a second sampling signal. The processing circuit is configured to receive the first sampling signal and the second sampling signal, and send a driving signal to the modulator according to a difference between an amplitude of the first sampling signal and an amplitude of the second sampling signal, so as to control an electric heating of the modulator.Type: GrantFiled: September 30, 2021Date of Patent: December 19, 2023Assignee: HISENSE BROADBAND MULTIMEDIA TECHNOLOGIES CO., LTD.Inventors: Liu Yang, Qiang Zhang, Shihai Yang
-
Patent number: 11768858Abstract: A method of a power user classification based on distributed K-means, a storage medium and a classification device are provided. The method includes: obtaining, by N load aggregators, power consumption data of power users managed by respective load aggregators; performing, by each load aggregator, a normalization operation on time series load data of the power users managed by the load aggregator; forming a N×N dimensional adjacency matrix A; performing K-means clustering on normalized time series load data, to obtain the respective centroids and user groups characterized by the respective centroids; sharing, by the respective load aggregators, the centroids and the number of users under the respective centroids based on the adjacency matrix A, and obtaining consistent centroids by multiple load aggregators; after an overall iteration ends, obtaining, by the respective load aggregators, the consistent centroids consistent with the K-means centroid based on global data, to realize user classification.Type: GrantFiled: June 23, 2021Date of Patent: September 26, 2023Assignees: XI'AN JIAOTONG UNIVERSITY, State Grid Jiangsu Electric Power Co. Ltd, Hohai UniversityInventors: Gengfeng Li, Yuxiong Huang, Liyin Zhang, Jiangfeng Jiang, Qirui Qiu, Shihai Yang, Xingying Chen, Xiaodong Cao, Kun Yu
-
Publication number: 20220390692Abstract: An optical module includes a shell, a circuit board, a display light and a light guide pipe. The circuit board is disposed in the shell. The display light is disposed on the circuit board, and is configured to emit light of different colors. The light guide pipe is disposed between the shell and the circuit board. An input end of the light guide pipe is arranged to correspond to the display light, an output end of the light guide pipe is configured to transmit light emitted by the display light to an outside of the optical module. The shell includes a groove. The output end of the light guide pipe is fixed in the groove, so that the shell is fixed with the light guide pipe.Type: ApplicationFiled: August 16, 2022Publication date: December 8, 2022Applicant: Hisense Broadband Multimedia Technologies Co., Ltd.Inventors: Liu YANG, Jinlei CHEN, Qiang ZHANG, Shihai YANG, Wei CUI, Baofeng SI, Yuqing HONG, Hongchao PAN, Hua ZHANG
-
Patent number: 11422175Abstract: Provided is a live measurement method for three-winding transformer loss based on windowed frequency shift. The method includes: step 1: providing an improved live calculation equation of a three-winding transformer loss; step 2: processing a collected x(t) signal by windowed frequency shift calculation; step 3: solving an amplitude and a phase of the collected x(t) signal via discrete Fourier transform of a frequency shift signal; and step 4: calculating a no-load loss and a load loss of a three-winding transformer.Type: GrantFiled: October 27, 2020Date of Patent: August 23, 2022Assignees: STATE GRID JIANGSU ELECTRIC POWER CO., LTD., STATE GRID JIANGSU ELECTRIC POWER CO., LTD. MARKETING CENTERInventors: Qifeng Huang, Xiaoquan Lu, Shihai Yang, Mingming Chen, Zhixin Li, Bo Li, Huiling Su, Xiaodong Cao, Yuqin Chen, Hanmiao Cheng, Tianchang Liu, Yixuan Huang, Kaijie Fang
-
Publication number: 20220021461Abstract: An optical module includes a shell, a circuit board, a light source and a silicon optical chip. The light source is configured to emit light. The silicon optical chip includes a modulator, and the modulator is configured to receive the light emitted by the light source and modulate the light into an optical signal. The circuit board includes a first sampling circuit, a second sampling circuit and a processing circuit. The first sampling circuit is configured to generate a first sampling signal. The second sampling circuit is configured to generate a second sampling signal. The processing circuit is configured to receive the first sampling signal and the second sampling signal, and send a driving signal to the modulator according to a difference between an amplitude of the first sampling signal and an amplitude of the second sampling signal, so as to control an electric heating of the modulator.Type: ApplicationFiled: September 30, 2021Publication date: January 20, 2022Applicant: Hisense Broadband Multimedia Technologies Co., Ltd.Inventors: Liu YANG, Qiang ZHANG, Shihai YANG
-
Publication number: 20210406284Abstract: A method of a power user classification based on distributed K-means, a storage medium and a classification device are provided. The method includes: obtaining, by N load aggregators, power consumption data of power users managed by respective load aggregators; performing, by each load aggregator, a normalization operation on time series load data of the power users managed by the load aggregator; forming a N×N dimensional adjacency matrix A; performing K-means clustering on normalized time series load data, to obtain the respective centroids and user groups characterized by the respective centroids; sharing, by the respective load aggregators, the centroids and the number of users under the respective centroids based on the adjacency matrix A, and obtaining consistent centroids by multiple load aggregators; after an overall iteration ends, obtaining, by the respective load aggregators, the consistent centroids consistent with the K-means centroid based on global data, to realize user classification.Type: ApplicationFiled: June 23, 2021Publication date: December 30, 2021Inventors: Gengfeng LI, Yuxiong HUANG, Liyin ZHANG, Jiangfeng JIANG, Qirui QIU, Shihai YANG, Xingying CHEN, Xiaodong CAO, Kun YU
-
Patent number: 11199863Abstract: Provided is a user side load response method based on adjustment and control on temperature of load clusters. The user side load response method includes: performing thermodynamic modeling on a temperature control load to obtain a temperature control model in direct load control; constructing a mapping quantity to describe the change state of a temperature control load relay switch; obtaining adjustable capacity of the temperature control load through the mapping quantity; introducing temperature control load clusters to solve the problem that control precision cannot satisfy condition requirements; and finally calculating the influence of each load cluster in different load cluster control schemes on comfort degree.Type: GrantFiled: April 30, 2019Date of Patent: December 14, 2021Inventors: Jijun Yin, Zuofeng Li, Gang Chen, Zhenyu Chen, Haifeng Li, Yefeng Jiang, Lin Liu, Qifeng Huang, Shufeng Lu, Bin Yang, Haowei Zhang, Xiao Chen, Qiang Zhou, Mingfeng Xue, Lingying Huang, Shihai Yang, Qingshan Xu, Minrui Xu, Zhixin Li, Shuangshuang Zhao, Feng Wang, Wenguang Chen
-
Publication number: 20210364562Abstract: Provided is a live measurement method for three-winding transformer loss based on windowed frequency shift. The method includes: step 1: providing an improved live calculation equation of a three-winding transformer loss; step 2: processing a collected x(t) signal by windowed frequency shift calculation; step 3: solving an amplitude and a phase of the collected x(t) signal via discrete Fourier transform of a frequency shift signal; and step 4: calculating a no-load loss and a load loss of a three-winding transformer.Type: ApplicationFiled: October 27, 2020Publication date: November 25, 2021Inventors: Qifeng HUANG, Xiaoquan LU, Shihai YANG, Mingming CHEN, Zhixin LI, Bo LI, Huiling SU, Xiaodong CAO, Yuqin CHEN, Hanmiao CHENG, Tianchang LIU, Yixuan HUANG, Kaijie FANG
-
Patent number: 10903651Abstract: Provided is a power grid adjustment method based on a load of a variable frequency air conditioner. The method includes: establishing a mathematical simulation model of a virtual synchronous motor in a variable frequency air conditioner controller; establishing a virtual inertia control segment and a droop control segment of power grid adjustment according to the mathematical simulation model; obtaining a reference value ?? of rotation speed variation of a compressor by the virtual inertia control segment; obtaining a reference value ?ref of rotational angular frequency of the compressor by the droop control segment; and inputting a sum of the reference value ?ref of rotational angular frequency of the compressor and the reference value ?? of rotation speed variation of the compressor into a field-oriented controller (FOC) to control rotation of a motor.Type: GrantFiled: March 27, 2019Date of Patent: January 26, 2021Inventors: Jijun Yin, Gang Chen, Xiao Lu, Yaohong Li, Qifeng Huang, Shufeng Lu, Bin Yang, Feng Ye, Haowei Zhang, Xiao Chen, Qiang Zhou, Mingfeng Xue, Lingying Huang, Shihai Yang, Qingshan Xu, Minrui Xu, Zhixin Li, Shuangshuang Zhao, Feng Wang, Wenguang Chen
-
Publication number: 20200209901Abstract: Provided is a user side load response method based on adjustment and control on temperature of load clusters. The user side load response method includes: performing thermodynamic modeling on a temperature control load to obtain a temperature control model in direct load control; constructing a mapping quantity to describe the change state of a temperature control load relay switch; obtaining adjustable capacity of the temperature control load through the mapping quantity; introducing temperature control load clusters to solve the problem that control precision cannot satisfy condition requirements; and finally calculating the influence of each load cluster in different load cluster control schemes on comfort degree.Type: ApplicationFiled: April 30, 2019Publication date: July 2, 2020Inventors: Jijun YIN, Zuofeng LI, Gang CHEN, Zhenyu CHEN, Haifeng LI, Yefeng JIANG, Lin LIU, Qifeng HUANG, Shufeng LU, Bin YANG, Haowei ZHANG, Xiao CHEN, Qiang ZHOU, Mingfeng XUE, Lingying HUANG, Shihai YANG, Qingshan XU, Minrui XU, Zhixin LI, Shuangshuang ZHAO, Feng WANG, Wenguang CHEN
-
Patent number: 10680399Abstract: The disclosure provides an optical module, including a laser, the laser including a light emitting region and a modulation region, and light emitted by the light emitting region emitting toward the modulation region; a first driver circuit, the first driver circuit being connected to the light emitting region, so that the light emitting region emits light with adjusted optical power; and a second driver circuit, the second driver circuit being connected to the modulation region, so that the modulation region changes the optical power of the light emitted from the light emitting region.Type: GrantFiled: December 20, 2017Date of Patent: June 9, 2020Assignee: HISENSE BROADBAND MULTIMEDIA TECHNOLOGIES CO., LTD.Inventors: Qiang Zhang, Qisheng Zhao, Shihai Yang
-
Publication number: 20190305555Abstract: Provided is a power grid adjustment method based on a load of a variable frequency air conditioner. The method includes: establishing a mathematical simulation model of a virtual synchronous motor in a variable frequency air conditioner controller; establishing a virtual inertia control segment and a droop control segment of power grid adjustment according to the mathematical simulation model; obtaining a reference value ?? of rotation speed variation of a compressor by the virtual inertia control segment; obtaining a reference value ?ref of rotational angular frequency of the compressor by the droop control segment; and inputting a sum of the reference value ?ref of rotational angular frequency of the compressor and the reference value ?? of rotation speed variation of the compressor into a field-oriented controller (FOC) to control rotation of a motor.Type: ApplicationFiled: March 27, 2019Publication date: October 3, 2019Inventors: Jijun YIN, Gang CHEN, Xiao LU, Yaohong LI, Qifeng HUANG, Shufeng LU, Bin YANG, Feng YE, Haowei ZHANG, Xiao CHEN, Qiang ZHOU, Mingfeng XUE, Lingying HUANG, Shihai YANG, Qingshan XU, Minrui XU, Zhixin LI, Shuangshuang ZHAO, Feng WANG, Wenguang CHEN
-
Publication number: 20180138649Abstract: The disclosure provides an optical module, including a laser, the laser including a light emitting region and a modulation region, and light emitted by the light emitting region emitting toward the modulation region; a first driver circuit, the first driver circuit being connected to the light emitting region, so that the light emitting region emits light with adjusted optical power; and a second driver circuit, the second driver circuit being connected to the modulation region, so that the modulation region changes the optical power of the light emitted from the light emitting region.Type: ApplicationFiled: December 20, 2017Publication date: May 17, 2018Applicants: Hisense Broadband Multimedia Technologies Co., Ltd ., Hisense Broadband Multimedia Technologies, Ltd.Inventors: Qiang ZHANG, Qisheng ZHAO, Shihai YANG
-
Patent number: 9929533Abstract: The present disclosure relates to the field of optical communication, particularly to an optical module. An optical module according to embodiments of the disclosure includes: a laser device including an emission region, and a modulation region to which light emitted by the emission region is transmitted; a bias circuit connected with the emission region, configured to drive the emission region to emit light at stable optical power; a modulation circuit connected with the modulation region, configured to drive the modulation region, so that the modulation region varies the optical power of the light emitted from the emission region; and a semiconductor optical amplifier configured to receive the light from the modulation region, and to vary the optical power of the light.Type: GrantFiled: December 22, 2016Date of Patent: March 27, 2018Assignees: Hisense Broadband Multimedia Technologies Co., Ltd., Hisense USA Corporation, Hisense International Co., Ltd.Inventors: Shihai Yang, Qiang Zhang, Qisheng Zhao
-
Patent number: 9882336Abstract: The disclosure provides an optical module, including a laser, the laser including a light emitting region and a modulation region, and light emitted by the light emitting region emitting toward the modulation region; a first driver circuit, the first driver circuit being connected to the light emitting region, so that the light emitting region emits light with adjusted optical power; and a second driver circuit, the second driver circuit being connected to the modulation region, so that the modulation region changes the optical power of the light emitted from the light emitting region.Type: GrantFiled: April 3, 2017Date of Patent: January 30, 2018Assignees: Hisense Broadband Multimedia Technologies Co., Ltd., Hisense Broadband Multimedia Technologies, Ltd.Inventors: Qiang Zhang, Qisheng Zhao, Shihai Yang
-
Patent number: 9851427Abstract: A large-caliber telescope non-linear interference detecting and filtering method is provided. The measure of the oil pad interference is accomplished with one of the following two methods, accelerometer and encoder, or using both of the said methods simultaneously. The filtering of the oil pad interference: set a NOTCH frequency as the main interfering frequency by using NOTCH filter to filter the interference and distinctly improve the telescope performance. The telescope and method is specific to a large-caliber telescope with an oil pad, by using an acceleration sensor and an encoder to precisely measure the non-linear interfering frequency of the telescope oil pad system, by using a NOTCH digital filter to accurately filter the interference due to the oil pad system, and through adjusting parameters of the digital filter to change the filter frequency band on the basis of the change of the oil pad interfering frequency.Type: GrantFiled: June 25, 2013Date of Patent: December 26, 2017Assignee: NANJING INSTITUTE OF ASTRONOMICAL OPTICS & TECHNOLOGY, CHINESE ACADEMY OF SCIENCESInventor: Shihai Yang
-
Publication number: 20170207596Abstract: The disclosure provides an optical module, including a laser, the laser including a light emitting region and a modulation region, and light emitted by the light emitting region emitting toward the modulation region; a first driver circuit, the first driver circuit being connected to the light emitting region, so that the light emitting region emits light with adjusted optical power; and a second driver circuit, the second driver circuit being connected to the modulation region, so that the modulation region changes the optical power of the light emitted from the light emitting region.Type: ApplicationFiled: April 3, 2017Publication date: July 20, 2017Applicants: Hisense Broadband Multimedia Technologies, Ltd., Hisense USA Corp., Hisense International Co., Ltd.Inventors: Qiang ZHANG, Qisheng ZHAO, Shihai YANG
-
Patent number: 9653879Abstract: The disclosure provides an optical module, including a laser, the laser including a light emitting region and a modulation region, and light emitted by the light emitting region emitting toward the modulation region; a first driver circuit, the first driver circuit being connected to the light emitting region, so that the light emitting region emits light with adjusted optical power; and a second driver circuit, the second driver circuit being connected to the modulation region, so that the modulation region changes the optical power of the light emitted from the light emitting region.Type: GrantFiled: March 31, 2016Date of Patent: May 16, 2017Assignees: Hisense Broadband Multimedia Technologies, Ltd., Hisense USA Corp., Hisense International Co., Ltd.Inventors: Qiang Zhang, Qisheng Zhao, Shihai Yang
-
Publication number: 20170104310Abstract: The present disclosure relates to the field of optical communication, particularly to an optical module. An optical module according to embodiments of the disclosure includes: a laser device including an emission region, and a modulation region to which light emitted by the emission region is transmitted; a bias circuit connected with the emission region, configured to drive the emission region to emit light at stable optical power; a modulation circuit connected with the modulation region, configured to drive the modulation region, so that the modulation region varies the optical power of the light emitted from the emission region; and a semiconductor optical amplifier configured to receive the light from the modulation region, and to vary the optical power of the light.Type: ApplicationFiled: December 22, 2016Publication date: April 13, 2017Inventors: Shihai YANG, Qiang ZHANG, Qisheng ZHAO