Patents Assigned to CHINA AUTOMOTIVE TECHNOLOGY AND RESEARCH CENTER CO. LTD
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Publication number: 20240102792Abstract: A method for measuring deformation of dummy rib, includes: controlling a plurality of laser device groups to slide along corresponding curve segments respectively, and executing the following steps when the laser device groups slide to each sampling point, to obtain a degree of deformation at a position, corresponding to the sampling point, on to-be-measured dummy rib, the following steps including: controlling a laser range finder to emit a laser beam in a normal vector direction of a tangent corresponding to a position on a slide rail; determining whether the laser range finder receives corresponding reflected laser. This embodiment can have advantages of simple operation, low cost, and high accuracy.Type: ApplicationFiled: March 22, 2023Publication date: March 28, 2024Applicants: CHINA AUTOMOTIVE TECHNOLOGY AND RESEARCH CENTER CO., LTD, CATARC AUTOMOTIVE TEST CENTER (TIANJIN) CO., LTDInventors: Zhixin LIU, Zhixin WU, Hong ZHENG, Liwei QIN, Weidong LIU, Hong CHEN, Hai LIU, Kai WANG
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Publication number: 20240104262Abstract: A method for scaling a vehicle crash dummy model, includes: obtaining a height ratio, a girth ratio, and a mass ratio of each part of a body shape of a target population to a reference population; calculating part scaling ratios of the target population to the reference population in a height direction and each direction in a girth plane according to the height ratio, the girth ratio, and the mass ratio; scaling simulation models of each part of a dummy simulation model of the reference population according to each scaling ratio; and assembling scaled models of each part, to obtain a dummy simulation model of the target population. This embodiment improves a shape simulation degree for a real human body of a dummy.Type: ApplicationFiled: March 27, 2023Publication date: March 28, 2024Applicants: CHINA AUTOMOTIVE TECHNOLOGY AND RESEARCH CENTER CO., LTD, CATARC AUTOMOTIVE TEST CENTER (TIANJIN) CO., LTDInventors: Zhixin LIU, Zhixin WU, Weidong LIU, Hong ZHENG, Kai WANG, Hong CHEN, Bingxu DUAN, Hanxiao ZHANG
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Publication number: 20230339767Abstract: An H-type molecular sieve having the CHA framework type is directly prepared through hydrothermal synthesis by using the compounds with the chemical formulas (C4H8NO)3PO and/or (C4H8NO)2PO(C4H10N) as structure-directing agents. The structure-directing agent has a molecular topological structure, which is conducive to quickly and efficiently building a molecular sieve having the CHA framework type, so that the prepared product has a regular morphology and high relative crystallinity. The synthesis method can directly synthesize the H-type molecular sieve having the CHA framework type with a relative crystallinity greater than 95%. The molecular sieve product can be obtained by direct drying and calcination without an ammonium exchange process, so the synthesis method is simple, easy to perform, and suitable for large-scale production.Type: ApplicationFiled: June 20, 2023Publication date: October 26, 2023Applicants: CHINA AUTOMOTIVE TECHNOLOGY AND RESEARCH CENTER CO., LTD, CATARC AUTOMOTIVE TEST CENTER (TIANJIN) CO., LTDInventors: Kaixiang LI, Zhenguo LI, Xiaoning REN, Congjie LV, Jianhai WANG, Lingfeng JIA, Yuankai SHAO, Cheng LV
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Publication number: 20230330650Abstract: The present disclosure provides molecular sieves with intergrown phases of AEI and CHA topologies and a catalyst thereof. A preparation method for the molecular sieves include the following steps: mixing a hydroxyphosphono organic alkali R with an aluminum source and a silicon source to obtain a sol-gel precursor, putting the sol-gel precursor into a closed hydrothermal synthesis reactor for reaction, filtering the reaction solution, washing, drying, and calcination to obtain the molecular sieves with intergrown phases of AEI and CHA topologies. The molecular sieves and the catalyst thereof can be directly synthesized under mild conditions with a hydroxyphosphono organic alkali as a structure-directing agent and a phosphorus source, have a pH value of 6-9 and low requirements for corrosion resistance of production devices, and are suitable for large-scale production.Type: ApplicationFiled: June 19, 2023Publication date: October 19, 2023Applicants: CHINA AUTOMOTIVE TECHNOLOGY AND RESEARCH CENTER CO., LTD, CATARC AUTOMOTIVE TEST CENTER (TIANJIN) CO., LTDInventors: Kaixiang LI, Zhenguo LI, Xiaoning REN, Yuankai SHAO, Jianhai WANG, Li ZHANG, Lingfeng JIA, Cheng LV
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Publication number: 20230330649Abstract: The present disclosure provides msect-4 molecular sieves with OFF and ERI topologies, a preparation method therefor, and applications thereof. An eight-membered ring small pore molecular sieve used as a raw material is dispersed in an aqueous phase. Following that, caustic potash, an aluminum source, and an organic structure-directing agent (OSDA) are added. The pH value is then adjusted to be greater than 10, and a silicon source is introduced to attain the desired silicon-aluminum ratio, followed by stirring reaction, aging, crystallization, filtration, washing, ammonia exchange reaction, drying, and calcination. The msect-4 molecular sieves with OFF and ERI topologies, the preparation method therefor, and applications exhibit excellent hydrothermal stability, a plurality of adsorption sites exposed by a regular bone-like structure, and a large specific surface area.Type: ApplicationFiled: June 19, 2023Publication date: October 19, 2023Applicants: CHINA AUTOMOTIVE TECHNOLOGY AND RESEARCH CENTER CO., LTD, CATARC AUTOMOTIVE TEST CENTER (TIANJIN) CO., LTDInventors: Zhenguo LI, Kaixiang LI, Zhixin WU, Xiaoning REN, Jianhai WANG, Yuankai SHAO, Hanming WU, Li ZHANG, Cheng LV, Lingfeng JIA
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Patent number: 11774505Abstract: Disclosed is an estimation method for the safety state of a battery pack based on deep learning and consistency detection, including: acquiring battery parameters of each single battery in the battery pack in a charging process to be identified; calculating multiple groups of feature data according to the battery parameters; constituting a first matrix by the multiple groups of feature data, and calculating a covariance matrix of the first matrix; inputting the covariance matrix into a first trained fully connected layer, so as to extract principal components of the first matrix and obtain a second matrix; multiplying the first matrix and the second matrix to obtain a third matrix; and inputting the third matrix into a series-connected and trained multi-head self-attention layer and classification layer, to identify whether single battery consistency safety hazards exist in the charging process. This embodiment improves the accuracy of identification.Type: GrantFiled: December 18, 2022Date of Patent: October 3, 2023Assignees: CHINA AUTOMOTIVE TECHNOLOGY AND RESEARCH CENTER CO., LTD, CATARC NEW ENERGY VEHICLE TEST CENTER (TIANJIN) CO., LTD., CHINA AUTOMOTIVE INFORMATION TECHNOLOGY (TIANJIN)Inventors: Fang Wang, Liang Yang, Shiqiang Liu, Wenbin Wang, Hong Chang, Xiaole Ma, Weina Wang, Yue Xu
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Publication number: 20230306148Abstract: An automatic modeling method for a user-defined vehicle controller includes: configuring a component model; generating a description file; summarizing component input and output signals/parameters; and creating the user-defined vehicle controller. A template and data required by the user is provided to automatically build a vehicle controller port model, and a vehicle controller policy model framework to assist the user to quickly and flexibly build the vehicle controller model is provided. The problem of low efficiency in building various user-defined vehicle controller models for different vehicle types is solved. The user develops a vehicle controller policy model under the given model framework, and the model can run directly without additional configuration of port signals. The user can modify the vehicle controller policy model online in real time, which solves the problem that the application configuration of the vehicle controller is complex and cannot be updated online in real time.Type: ApplicationFiled: March 14, 2023Publication date: September 28, 2023Applicants: CATARC AUTOMOTIVE TEST CENTER (TIANJIN) CO., LTD., CHINA AUTOMOTIVE TECHNOLOGY AND RESEARCH CENTER CO., LTD.Inventors: Wei WANG, Yan YAN, Wenbo LI, Fufan QV, Hong ZHENG, Xiaohui ZHANG, Changqing WANG, Maodong FANG
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Patent number: 11768975Abstract: An automatic modeling method for a user-defined vehicle controller includes: configuring a component model; generating a description file; summarizing component input and output signals/parameters; and creating the user-defined vehicle controller. A template and data required by the user is provided to automatically build a vehicle controller port model, and a vehicle controller policy model framework to assist the user to quickly and flexibly build the vehicle controller model is provided. The problem of low efficiency in building various user-defined vehicle controller models for different vehicle types is solved. The user develops a vehicle controller policy model under the given model framework, and the model can run directly without additional configuration of port signals. The user can modify the vehicle controller policy model online in real time, which solves the problem that the application configuration of the vehicle controller is complex and cannot be updated online in real time.Type: GrantFiled: March 14, 2023Date of Patent: September 26, 2023Assignees: CATARC AUTOMOTIVE TEST CENTER (TIANJIN) CO., LTD., CHINA AUTOMOTIVE TECHNOLOGY AND RESEARCH CENTER CO., LTD.Inventors: Wei Wang, Yan Yan, Wenbo Li, Fufan Qv, Hong Zheng, Xiaohui Zhang, Changqing Wang, Maodong Fang
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Patent number: 11735065Abstract: A method for building a vehicle crash dummy skull model, includes: building an original skull model according to computed tomography scan data of a human skull; inserting a new first node according to a distance between adjacent first nodes on a hole boundary contour line, to obtain a target contour line; inserting a plurality of second nodes into holes according to the target contour line to obtain an intermediate boundary contour line; forming triangular nets according to the nodes on the target contour line and the intermediate boundary contour line; and with the intermediate boundary contour line as a new target contour line, returning to the operation of inserting a plurality of second nodes until the number of nodes of a final target contour line is less than or equal to a preset value. This embodiment is conducive to building of a skull model with a smooth cranial surface.Type: GrantFiled: March 26, 2023Date of Patent: August 22, 2023Assignees: CHINA AUTOMOTIVE TECHNOLOGY AND RESEARCH CENTER CO., LTD, CATARC AUTOMOTIVE TEST CENTER (TIANJIN) CO., LTDInventors: Zhixin Wu, Zhixin Liu, Hengxu Lv, Weidong Liu, Zhengqi Fan, Yongqiang Wu, Hai Liu, Kai Wang
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Patent number: 11697228Abstract: The present invention discloses a method of filling simulated muscles for a limb of an automobile crash test dummy, the simulated muscles are molded with foaming in the inner cavity of the mold; the method comprises: obtaining a filling volume of the inner cavity of the mold by using a liquid casting method, preparing an adhesive liquid film layer, preparing a filler and conducting demolding detection on the limb. Wherein step 3 is to inject the mixed filler into the inner cavity of the mold so as to be foamed in the mold to form foamed sponge, and stand until the foamed sponge is foamed to the exhaust port and does not overflow any more.Type: GrantFiled: July 7, 2022Date of Patent: July 11, 2023Assignees: CHINA AUTOMOTIVE TECHNOLOGY AND RESEARCH CENTER CO., LTD, CATARC AUTOMOTIVE TEST CENTER (TIANJIN) CO., LTDInventors: Zhixin Liu, Zhixin Wu, Hong Chen, Weidong Liu, Weijie Ma, Minghao Xie, Ye Hao
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Construction method for impact response performance limit value of crash dummy and electronic device
Patent number: 11650132Abstract: The present invention relates to the field of passive safety testing of vehicles, in particular to a construction method for an impact response performance limit value of a crash dummy and an electronic device. The method includes: determining, according to response curves of the crash dummy under different impact test conditions, a standard response curve and alignment starting time and ending time of each response curve; aligning, according to differences between other response curves except the standard response curve and the standard response curve, other response curves except the standard response curve with the standard response curve; and determining, according to all the aligned response curves, an impact response performance limit value function of the crash dummy, where the differences include cumulative differences or cumulative variances. The method can truly, accurately and effectively construct a performance limit value of a dummy part under various impact tests.Type: GrantFiled: November 24, 2022Date of Patent: May 16, 2023Assignees: CHINA AUTOMOTIVE TECHNOLOGY AND RESEARCH CENTER CO., LTD, CATARC AUTOMOTIVE TEST CENTER (TIANJIN) CO., LTDInventors: Zhixin Liu, Zhixin Wu, Hong Zheng, Hong Chen, Weidong Liu, Weijie Ma, Kai Wang, Minghao Xie, Ye Hao -
Patent number: 11610514Abstract: The present invention relates to the field of vehicle safety crash test dummies, and discloses an arm for a crash dummy, a control method, a device and a storage medium. The arm comprises: a first motor (1), a coupling (2), a capstan shaft (3), a first bevel gear (4), a second motor (5), a first capstan (6), a capstan bearing (7), an elbow joint base (8), a forearm (9), a first elbow joint bearing (11), drive lines (13), a second pulley (14), an elbow joint shaft (16), a first fixed sleeve (17), a second fixed sleeve (18), a second elbow joint bearing (20), an elbow joint connection block (22), a power source connection block (24), a second bevel gear (27), two sets of pulleys, a second capstan (28) and a power source bracket (29). The arm provided in this embodiment has an active function.Type: GrantFiled: September 29, 2022Date of Patent: March 21, 2023Assignees: CHINA AUTOMOTIVE TECHNOLOGY AND RESEARCH CENTER CO., LTD, CATARC AUTOMOTIVE TEST CENTER (TIANJIN) CO., LTDInventors: Zhixin Wu, Zhixin Liu, Kai Wang, Weidong Liu, Hong Chen, Yongqiang Wu
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Patent number: 11544856Abstract: A method for measuring the motion response of a dummy in a crash test comprises: acquiring images of a measurement mark by a camera during the crash test, wherein the measurement mark is fixed on a part to be measured of the dummy, and the dummy is set in association with a preset platform; determining first coordinate positions of the measurement mark in the images; determining corresponding second coordinate positions of the first coordinate positions in a static coordinate system according to a preset conversion relationship, wherein the X-axis of the static coordinate system is parallel to the motion direction of the preset platform, the Y-axis of the static coordinate system is perpendicular to the motion direction of the preset platform; and determining a motion response trajectory of the part to be measured according to an initial position of the part to be measured and the second coordinate positions.Type: GrantFiled: August 9, 2022Date of Patent: January 3, 2023Assignees: CHINA AUTOMOTIVE TECHNOLOGY AND RESEARCH CENTER CO. LTD, CATARC AUTOMOTIVE TEST CENTER (TIANJIN) CO., LTDInventors: Zhixin Liu, Zhixin Wu, Hong Chen, Weidong Liu, Weijie Ma, Kai Wang, Minghao Xie