Patents by Inventor Yingfeng Cai

Yingfeng Cai 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: 20220042586
    Abstract: A hydro-mechanical hybrid transmission device with two hydraulic transmission mechanisms includes an input member, a second hydraulic transmission mechanism, a rear planetary gear mechanism, an output member, a first hydraulic transmission mechanism, a front planetary gear mechanism, a clutch assembly, and a brake assembly. The clutch assembly connects the input member to the front planetary gear mechanism, the second hydraulic transmission mechanism, and the first hydraulic transmission mechanism, connects an output end of the first hydraulic transmission mechanism to the front planetary gear mechanism, connects the rear planetary gear mechanism to an output end of the second hydraulic transmission mechanism and the front planetary gear mechanism, and connects the rear planetary gear mechanism to the output member. The clutch assembly and the brake assembly provide a continuous transmission ratio between the input member and the output member.
    Type: Application
    Filed: August 14, 2020
    Publication date: February 10, 2022
    Applicant: JIANGSU UNIVERSITY
    Inventors: Zhen ZHU, Long CHEN, Yingfeng CAI, Changgao XIA, Rong ZOU, Lingxin ZENG, Yulin DENG, Shaohua WANG, Xing XU, Dehua SHI
  • Publication number: 20220042584
    Abstract: A multi-mode continuously variable transmission with both speed coupling and torque coupling includes an engine-power input assembly, a hydraulic transmission assembly, a motor transmission assembly, a planetary gear assembly, an output member, a clutch assembly, and a brake assembly, wherein an output end of the planetary gear assembly is connected to the output member, the clutch assembly connects the engine-power input assembly, the hydraulic transmission assembly, and the motor transmission assembly to an input end of the planetary gear assembly, and the clutch assembly connects the engine-power input assembly to the hydraulic transmission assembly; and the clutch assembly and the brake assembly provide a continuously changing transmission ratio between the engine-power input assembly or/and the motor transmission assembly and the output member.
    Type: Application
    Filed: August 14, 2020
    Publication date: February 10, 2022
    Applicant: JIANGSU UNIVERSITY
    Inventors: Zhen ZHU, Longhui LAI, Yingfeng CAI, Juncheng WANG, Jiangyi HAN, Jianguo ZHU, Rong ZOU, Dehua SHI, Xing XU, Yulin DENG
  • Publication number: 20220042587
    Abstract: A gear-double ring-hydraulic hybrid transmission device includes an input mechanism, a double ring series transmission mechanism, a hydraulic transmission mechanism, an output member, a front planetary gear mechanism, a middle planetary gear mechanism, a rear planetary gear mechanism, a clutch assembly, and a brake assembly. An output of the double ring series transmission mechanism is connected to the middle planetary gear mechanism. The clutch assembly connects the input mechanism to the double ring series transmission mechanism, the hydraulic transmission mechanism, and the front planetary gear mechanism, connects an output of the hydraulic transmission mechanism to the middle planetary gear mechanism, and connects an output of the rear planetary gear mechanism to the output member. The clutch assembly and the brake assembly provide a continuous transmission ratio between the input mechanism and the output member.
    Type: Application
    Filed: August 14, 2020
    Publication date: February 10, 2022
    Applicant: JIANGSU UNIVERSITY
    Inventors: Zhen ZHU, Xiang TIAN, Yingfeng CAI, Long CHEN, Changgao XIA, Juncheng WANG, Jiangyi HAN, Jianguo ZHU, Rong ZOU, Lingxin ZENG
  • Publication number: 20210387653
    Abstract: A reconstruction method for a secure environment envelope of a smart vehicle based on the driving behavior of a vehicle in front, starting from the simulation of the behavior of a real driver pre-estimating the potential collision risk of the drive area in front, introducing a prediction regarding the driving behavior of the vehicle in front to the environment sensing link of the smart vehicle, reconstructing, on the basis of the prediction result regarding the driving behavior of the vehicle in front, a secure environment envelope of the smart vehicle. The method uses a signal as an observed value, such as the trajectory point sequence of the vehicle in front, the indicators of the vehicle in front, the smart vehicle speed, the relative longitudinal speed of the smart vehicle and the vehicle in front, etc.
    Type: Application
    Filed: March 29, 2017
    Publication date: December 16, 2021
    Inventors: Youguo HE, Chaochun YUAN, Long CHEN, Haobin JIANG, Yingfeng CAI, Hai WANG
  • Publication number: 20210372512
    Abstract: A gear-hydraulic-metal belt integrated multi-mode hydro-mechanical hybrid transmission device includes an input assembly, an output assembly, a metal belt transmission mechanism, a planetary gear assembly, a hydraulic transmission mechanism, a clutch assembly and a brake assembly. The input assembly is connected to the metal belt transmission mechanism, the planetary gear assembly and the hydraulic transmission mechanism. The metal belt transmission mechanism and the hydraulic transmission mechanism are connected to the planetary gear assembly. The planetary gear assembly is connected to the output assembly. The clutch assembly connects the input assembly to the metal belt transmission mechanism and the planetary gear assembly, and connects each of the metal belt transmission mechanism and the hydraulic transmission mechanism to the planetary gear assembly. The clutch assembly and the brake assembly provide a continuous transmission ratio between the input assembly and the output assembly.
    Type: Application
    Filed: February 10, 2020
    Publication date: December 2, 2021
    Applicant: Jiangsu University
    Inventors: Zhen ZHU, Yingfeng CAI, Long CHEN, Xiang TIAN, Changgao XIA, Falin ZENG, Chaochun YUAN, Jiajia WANG, Xiaodong SUN, Dehua SHI
  • Publication number: 20210356024
    Abstract: A hydro-mechanical transmission device with a dual-clutch transmission includes an input mechanism, a pump-controlled motor mechanism, an odd-numbered gear transmission mechanism, an even-numbered gear transmission mechanism, an output mechanism, and a jackshaft. The input mechanism is connected to the odd-numbered gear transmission mechanism and the even-numbered gear transmission mechanism that are connected in parallel, and is connected to an input end of the pump-controlled motor mechanism. An output end of the pump-controlled motor mechanism is connected, through the jackshaft, to the odd-numbered gear transmission mechanism and the even-numbered gear transmission mechanism that are connected in parallel, and is connected to the output mechanism. Switching among hydraulic transmission, hydro-mechanical transmission, and mechanical transmission modes between the input mechanism and the output mechanism is implemented by controlling combination and engagement/disengagement of clutches and a brake.
    Type: Application
    Filed: February 26, 2020
    Publication date: November 18, 2021
    Applicant: JIANGSU UNIVERSITY
    Inventors: Zhen ZHU, Yingfeng CAI, Long CHEN, Changgao XIA, Xiang TIAN, Jiajia WANG, Falin ZENG, Xiaodong SUN, Dehua SHI, Xing XU
  • Publication number: 20210339594
    Abstract: Provided is a hybrid electromagnetic suspension capable of self-powering and a control method thereof. The hybrid electromagnetic suspension includes an integrated structure of linear motor and cylinder block of equivalent hydraulic damper, a suspension spring, a connecting pipeline, a hydraulic rectifier bridge, an accumulator, a hydraulic motor and a rotary motor. The upper and lower chambers of the working cylinder, the lower chamber of working cylinder and oil storage cylinder are connected through the hydraulic rectifier bridge and the pipeline. The control has three modes including passive mode, semi-active mode and active mode. The ECU detects the road level according to the received sensor signal, and switches to the corresponding mode to control the suspension according to obtained road level, so as to obtain the optimal suspension performance under each road level.
    Type: Application
    Filed: November 2, 2018
    Publication date: November 4, 2021
    Inventors: Ruochen Wang, Wei Liu, Renkai Ding, Yingfeng Cai, Long Chen
  • Publication number: 20210331575
    Abstract: A continuously variable transmission system for hybrid power multi-mode switching, includes an input component, an output component, a clutch assembly, a brake, a hydraulic transmission assembly and a planetary gear assembly, wherein the input component is connected with the hydraulic transmission assembly, the output component is connected with the planetary gear assembly, the clutch assembly connects the input component and the hydraulic transmission assembly to the planetary gear assembly respectively, and the brake and the clutch assembly provide a transmission ratio for continuous forwarding or backwarding continuously between the input component and the output component. The hydro-mechanical transmission is switched to mechanical transmission by increasing the displacement ratio of the hydraulic transmission assembly linearly or non-linearly.
    Type: Application
    Filed: January 24, 2019
    Publication date: October 28, 2021
    Inventors: Zhen ZHU, Yingfeng CAI, Long CHEN, Changgao XIA, Jiangyi HAN, Dehua SHI, Feng WANG, Chaochun YUAN, Chaofeng PAN, Xing XU
  • Patent number: 11155154
    Abstract: A multi-pump driven single-motor hydro-mechanical hybrid transmission device includes an input shaft, a planetary gear split mechanism, a hydraulic transmission system, a planetary gear convergence mechanism, and an output shaft. The input shaft is connected to the hydraulic transmission system and the planetary gear convergence mechanism through the planetary gear split mechanism. The hydraulic transmission system and the planetary gear convergence mechanism are both connected to the output shaft. The hydraulic transmission system includes a multi-pump driving mechanism, a fixed displacement motor mechanism, and a hydraulic transmission output mechanism. The multi-pump driving mechanism is connected to the fixed displacement motor mechanism. The fixed displacement motor mechanism is connected to the planetary gear convergence mechanism and is connected to the output shaft through the hydraulic transmission output mechanism.
    Type: Grant
    Filed: February 26, 2020
    Date of Patent: October 26, 2021
    Assignee: JIANGSU UNIVERSITY
    Inventors: Long Chen, Zhen Zhu, Yingfeng Cai, Xiang Tian, Changgao Xia, Falin Zeng, Jiajia Wang, Dehua Shi, Chaochun Yuan, Xiaodong Sun
  • Publication number: 20210323394
    Abstract: A multi-pump driven single-motor hydro-mechanical hybrid transmission device includes an input shaft, a planetary gear split mechanism, a hydraulic transmission system, a planetary gear convergence mechanism, and an output shaft. The input shaft is connected to the hydraulic transmission system and the planetary gear convergence mechanism through the planetary gear split mechanism. The hydraulic transmission system and the planetary gear convergence mechanism are both connected to the output shaft. The hydraulic transmission system includes a multi-pump driving mechanism, a fixed displacement motor mechanism, and a hydraulic transmission output mechanism. The multi-pump driving mechanism is connected to the fixed displacement motor mechanism. The fixed displacement motor mechanism is connected to the planetary gear convergence mechanism and is connected to the output shaft through the hydraulic transmission output mechanism.
    Type: Application
    Filed: February 26, 2020
    Publication date: October 21, 2021
    Applicant: JIANGSU UNIVERSITY
    Inventors: Long CHEN, Zhen ZHU, Yingfeng CAI, Xiang TIAN, Changgao XIA, Falin ZENG, Jiajia WANG, Dehua SHI, Chaochun YUAN, Xiaodong SUN
  • Patent number: 11130517
    Abstract: An energy dynamic control method for the EPS with hybrid power supply and an energy dynamic control system. Control system collects real-time current of vehicle electric appliances except the steering motor and the super-capacitor and calculates target current of the steering motor according to real-time steering torque and vehicle speed, and determines state of the super-capacitor by comparing rated current of vehicle power supply and sum of the current of vehicle electric appliances and target current of the steering motor. When super-capacitor is in the charging state, charging current is dynamically regulated to make vehicle power supply work in optimal working range, and maximum charging current is limited based on SOC of the super-capacitor. When super-capacitor is in discharging state, discharging current is dynamically regulated to make vehicle power supply work in optimal working range, and maximum discharging current is limited based on SOC of super-capacitor.
    Type: Grant
    Filed: May 23, 2018
    Date of Patent: September 28, 2021
    Assignee: JIANGSU UNIVERSITY
    Inventors: Bin Tang, Yingqiu Huang, Haobin Jiang, Di Zhang, Chaochun Yuan, Yingfeng Cai, Guoqing Geng, Chaofeng Pan, Shidian Ma, Dong Cao, Chenhui Yin
  • Publication number: 20210276548
    Abstract: This invention is an extension adaptive lane keeping control method with variable vehicle speed, which is composed of the following steps: S1, establishing a three-degree-of-freedom dynamic model and a preview deviation expression; S2, performing the lane line fitting equation; S3, designing the upper layer ISTE extension controller; including: S3.1, establishing the control index (ISTE) extension sets; S3.2, dividing the control index (ISTE) domain boundaries; S3.3, calculating the control index (ISTE) association function; S3.4, establishing the upper layer extension controller decision; S4, designing the lower layer speed extension controller; S5, designing the lower layer deviation tracking extension controller; including: S5.1, extracting the lower layer deviation tracking extension feature quantity and dividing domain boundaries; S5.2, designing the lower layer extension controller correlation function; S5.3, performing the lower layer measurement mode identification; S5.
    Type: Application
    Filed: February 20, 2019
    Publication date: September 9, 2021
    Inventors: Yingfeng CAI, Yong ZANG, Hai WANG, Xiaoqiang SUN, Long CHEN, Jun LIANG, Yicheng LI, Dehua SHI, Bin TANG
  • Patent number: 11100795
    Abstract: A driving service active sensing system and method in an Internet of Vehicles environment in the field of road traffic safety. A sensor device and an intelligent vehicle-mounted terminal arranged on a vehicle and connected to each other. The intelligent vehicle-mounted terminal communicates with roadside equipment in 4G and DSRC modes, and communicates with a driving service information processing center in 4G mode. The roadside equipment communicates with the driving service information processing center in 4G mode. The roadside equipment is provided on both sides of a road. The sensor device outputs obtained vehicle traveling information to the intelligent vehicle-mounted terminal, which processes and integrates the received vehicle traveling information and then transfers integrated information to the roadside equipment and the driving service information processing center.
    Type: Grant
    Filed: September 21, 2016
    Date of Patent: August 24, 2021
    Assignee: Jiangsu University
    Inventors: Jun Liang, Zhenchao Zhao, Long Chen, Haobin Jiang, Xiaobo Chen, Shidian Ma, Weiqi Zhou, Yingfeng Cai, Tongyang Zhao
  • Publication number: 20210245597
    Abstract: A hydro-mechanical hybrid transmission device and a control method thereof, including an input shaft, a split mechanism, a hydraulic transmission assembly, a mechanical transmission assembly, a convergence mechanism, and an output shaft, wherein the input shaft is connected, through the split mechanism, to the hydraulic transmission assembly and the mechanical transmission assembly, wherein the hydraulic transmission assembly and the mechanical transmission assembly are connected in parallel, and the hydraulic transmission assembly and the mechanical transmission assembly are each connected to the output shaft through the convergence mechanism. In the hydro-mechanical hybrid transmission device, planetary gear structures are combined with engagement/disengagement of brakes and clutches, to implement switching of power split and convergence structural forms.
    Type: Application
    Filed: December 4, 2019
    Publication date: August 12, 2021
    Applicant: JIANGSU UNIVERSITY
    Inventors: Zhen ZHU, Yingfeng CAI, Long CHEN, Changgao XIA, Jiangyi HAN, Xiang TIAN, Xiaodong SUN, Longhui LAI, Dehua SHI, Chaochun YUAN
  • Patent number: 11072231
    Abstract: A hydro-mechanical hybrid transmission device and a control method thereof, including an input shaft, a split mechanism, a hydraulic transmission assembly, a mechanical transmission assembly, a convergence mechanism, and an output shaft, wherein the input shaft is connected, through the split mechanism, to the hydraulic transmission assembly and the mechanical transmission assembly, wherein the hydraulic transmission assembly and the mechanical transmission assembly are connected in parallel, and the hydraulic transmission assembly and the mechanical transmission assembly are each connected to the output shaft through the convergence mechanism. In the hydro-mechanical hybrid transmission device, planetary gear structures are combined with engagement/disengagement of brakes and clutches, to implement switching of power split and convergence structural forms.
    Type: Grant
    Filed: December 4, 2019
    Date of Patent: July 27, 2021
    Assignee: JIANGSU UNIVERSITY
    Inventors: Zhen Zhu, Yingfeng Cai, Long Chen, Changgao Xia, Jiangyi Han, Xiang Tian, Xiaodong Sun, Longhui Lai, Dehua Shi, Chaochun Yuan
  • Publication number: 20210102611
    Abstract: A hydro-mechanical hybrid transmission device and a control method thereof are provided. The device includes an input shaft, a split mechanism, a mechanical transmission assembly, a hydraulic transmission assembly, and an output shaft, wherein the input shaft is connected, through the split mechanism, to the mechanical transmission assembly and the hydraulic transmission assembly that are connected in parallel, and the mechanical transmission assembly and the hydraulic transmission assembly are both connected to the output shaft. The mechanical transmission assembly includes a front planetary-gear-set assembly and a rear planetary-gear-set assembly. The front planetary-gear-set assembly and the rear planetary-gear-set assembly are connected in series. The control method includes three modes of transmission: pure hydraulic transmission, hydro-mechanical hybrid transmission, and pure mechanical transmission are implemented through combination and engagement/disengagement of gear-shift components.
    Type: Application
    Filed: October 23, 2019
    Publication date: April 8, 2021
    Applicant: JIANGSU UNIVERSITY
    Inventors: Zhen ZHU, Yingfeng CAI, Long CHEN, Changgao XIA, Xiang TIAN, Jiangyi HAN, Xiaodong SUN, Dehua SHI, Feng WANG, Chaochun YUAN
  • Patent number: 10955038
    Abstract: A hydro-mechanical hybrid transmission device and a control method thereof are provided. The device includes an input shaft, a split mechanism, a mechanical transmission assembly, a hydraulic transmission assembly, and an output shaft, wherein the input shaft is connected, through the split mechanism, to the mechanical transmission assembly and the hydraulic transmission assembly that are connected in parallel, and the mechanical transmission assembly and the hydraulic transmission assembly are both connected to the output shaft. The mechanical transmission assembly includes a front planetary-gear-set assembly and a rear planetary-gear-set assembly. The front planetary-gear-set assembly and the rear planetary-gear-set assembly are connected in series. The control method includes three modes of transmission: pure hydraulic transmission, hydro-mechanical hybrid transmission, and pure mechanical transmission are implemented through combination and engagement/disengagement of gear-shift components.
    Type: Grant
    Filed: October 23, 2019
    Date of Patent: March 23, 2021
    Assignee: JIANGSU UNIVERSITY
    Inventors: Zhen Zhu, Yingfeng Cai, Long Chen, Changgao Xia, Xiang Tian, Jiangyi Han, Xiaodong Sun, Dehua Shi, Feng Wang, Chaochun Yuan
  • Patent number: 10686285
    Abstract: A travel adapter, belonging to the technical field of plugs. The travel adapter comprises a housing (10), a plug bush seat (11), a support frame (71) and a pin assembly (12), the plug bush seat (11) being provided in the housing (10), the support frame (71) being located under the plug bush seat (11) and connected to the plug bush seat (11), multiple sets of the plug assemblies (12) being provided on the support frame (71), respectively; the support frame (71) being fixedly connected on the plug bush seat (11) in a vertical direction, and sliding along the plug bush seat (11) in a horizontal direction. The travel adapter can integrate plugs meeting the plug standards of different countries into one adapter and is easily to switch, solving the problem of the use of plugs during the travel in multiple countries.
    Type: Grant
    Filed: November 11, 2016
    Date of Patent: June 16, 2020
    Assignee: GONGNIU GROUP CO., LTD.
    Inventors: Yingfeng Cai, Jie Yang, Huijiu Wang, Zhen Li, Honggen Liu
  • Publication number: 20200156699
    Abstract: An energy dynamic control method for the EPS with hybrid power supply and an energy dynamic control system. Control system collects real-time current of vehicle electric appliances except the steering motor and the super-capacitor and calculates target current of the steering motor according to real-time steering torque and vehicle speed, and determines state of the super-capacitor by comparing rated current of vehicle power supply and sum of the current of vehicle electric appliances and target current of the steering motor. When super-capacitor is in the charging state, charging current is dynamically regulated to make vehicle power supply work in optimal working range, and maximum charging current is limited based on SOC of the super-capacitor. When super-capacitor is in discharging state, discharging current is dynamically regulated to make vehicle power supply work in optimal working range, and maximum discharging current is limited based on SOC of super-capacitor.
    Type: Application
    Filed: May 23, 2018
    Publication date: May 21, 2020
    Applicant: JIANGSU UNIVERSITY
    Inventors: Bin TANG, Yingqiu HUANG, Haobin JIANG, Di ZHANG, Chaochun YUAN, Yingfeng CAI, Guoqing GENG, Chaofeng PAN, Shidian MA, Dong CAO, Chenhui YIN
  • Patent number: 10635929
    Abstract: The present invention belongs to the field of machine vision. A saliency-based method for extracting a road target from a night vision infrared image is disclosed. The method combines saliencies of the time domain and the frequency domain, global contrast and local contrast, and low level features and high level features, and energy radiation is also considered to be a saliency factor; thus, the object of processing is an infrared image and not the usual natural image. The extraction of a salient region is performed on the raw natural image on the basis of energy radiation, and the obtained extraction result if the salient region is more accurate and thorough, and the contour of a target in the salient region is clearer.
    Type: Grant
    Filed: June 8, 2017
    Date of Patent: April 28, 2020
    Assignee: JIANGSU UNIVERSITY
    Inventors: Yingfeng Cai, Lei Dai, Hai Wang, Xiaoqiang Sun, Long Chen, Haobin Jiang, Xiaobo Chen, Youguo He