基于动作捕捉系统和JACK软件的坐姿舒适性分析（英文）
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摘要
坐姿舒适度是一个受多种因素影响的复杂概念。目前还没有完善的评价座椅舒适度的方法,现有的评价方法大多是基于单一分析的,缺乏对问题的多方面分析。提出了一种将实际环境中的调查方法与虚拟环境相结合的新方法。首先,利用运动分析鹰眼数字系统捕捉参与者的身体运动动作,得到人体在空间中的点位信息,然后,将运动分析EVaRT软件与西门子Jack软件进行实时连接。利用JACK软件中的TAT报表工具输出数据,并在MATLAB中使用自行开发的程序计算出不同座椅坐姿的关节角度、扭矩和肌力,并完成数据分析。在分析了所有的运动研究结果后,发现两种类型的椅子之间差异变得明显。与此同时,研究肌肉舒适度指数,探索新的坐姿舒适度评价方法。将坐姿舒适度指数法与人体数字模型相结合,可以对坐姿舒适性进行分析,可用于优化人体坐姿的舒适度。
Sitting posture comfort is a complex construct influenced by several factors. There is no established assessment method which could evaluate the sitting chair comfort at present. Most of the current evaluation methods are based on single analysis,and lack multi-analysis of the problem. This paper proposed a new method which integrates investigation methods in real environment and virtual environment. Firstly,Motion Analysis Eagle Digital System was used to capture the body motion of participants,and obtain the human body each joint point in the space. Then,the Motion Analysis EVaRT software was connected with the Siemens Jack software. Using the JACK software TAT report tools to output data,the analysis of data was completed using a self-developed program in MATLAB. After analyzing all the results of motion study,a clear difference between the two types of chair became apparent. The joint angles,torques and muscle force were calculated. Meanwhile,we studied the muscle comfort index to explore new method that evaluates the sitting posture comfort index. The sitting posture comfort index method combined with the human body digital model can analyze the siting posture comfort. Also,this research can be applied to optimize comfort level of the body sitting posture.
Sitting posture comfort is a complex construct influenced by several factors. There is no established assessment method which could evaluate the sitting chair comfort at present. Most of the current evaluation methods are based on single analysis,and lack multi-analysis of the problem. This paper proposed a new method which integrates investigation methods in real environment and virtual environment. Firstly,Motion Analysis Eagle Digital System was used to capture the body motion of participants,and obtain the human body each joint point in the space. Then,the Motion Analysis EVaRT software was connected with the Siemens Jack software. Using the JACK software TAT report tools to output data,the analysis of data was completed using a self-developed program in MATLAB. After analyzing all the results of motion study,a clear difference between the two types of chair became apparent. The joint angles,torques and muscle force were calculated. Meanwhile,we studied the muscle comfort index to explore new method that evaluates the sitting posture comfort index. The sitting posture comfort index method combined with the human body digital model can analyze the siting posture comfort. Also,this research can be applied to optimize comfort level of the body sitting posture.
引文
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[16]LI Litao,XUE Hongjun.Research on the relationship between comfort and time based on stress analysis of L4-L5 vertebral force[J].Science Technology and Engineering,2009,9(9):2424-2428.
[17]JOHN L.PAPE,JEAN-MICHEL BRISMEE,PHILLIPS.SIZERE,et al.Increased spinal height using propped slouched sitting postures:Innovative ways to rehydrate intervertebral discs[J].Applied Ergonomics,2018,66:9-17.
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[23]ALVAREZ-MUNOZ,N.MARCHAND,J.F.GUER-RERO-CASTELLANOS.Rotorcraft with a 3DOF Rigid Manipulator:Quaternion-based Modeling and Real-time Control Tolerant to Multi-body Couplings[J].International Journal of Automation and Computing,2018,15(5):547-558.
[24]RAJPUT B,ABBOUD R J.The inadequate effect of automobile seating on foot posture and callus development[J].Ergonomics,2007,50(1):131-137.
[2]YAO J H.Driving discomfort evaluation based on muscle force[D].Wuhan:Wuhan University of Technology,2014.
[3]TENG J Z,LI Y,LZ G,et al.A new method of comfort eval-uation of automobile clutch pedal operation based on virtualhuman[J].Journal of System Simulation,2009(S1):193-196.
[4]AGNIESZKA SZPALA,ALICJA RUTKOWSKA-KU-CHARSKA,et al.Choosing the right body position for assessing trunk flexors and extensors torque output[J].Human movement,2011,12(1):57-64.
[5]CORINNE NICOLETTIA,THOMAS LUBLIA.Leg and back muscle activity,heart rate,performance and comfort during sitting,standing,and using a sit-stand-support with different seat angles[J].International Journal of Industrial Ergonomics,2018,67:73-80.
[6]REBIFFE R.The driving seat:Its adaption to functional and an-thropometric requirements[C]//Proceedings of ASymposiumon Sitting Posture,1969:132-147.
[7]ZHAO Y L,LIU W P,JIANG K L.A three-dimensional biome-chanical human model of tank driver for ergonomics[J].Ve-hicle&Power Technology,2007(4):51-54.
[8]ALBERT H,VETTE,TAKASHI YOSHIDA,et al.Acomprehensive three-dimensional dynamic model of the human head and trunk for estimating lumbar and cervical joint torques and forces from upper body kinematics[J].Medical Engineering&Physics,2012,34:640-649.
[9]YIN Qingsong,LIAO Qianfang,ZHOU Qianxiang,et al.A-nalysis of Lower Limb Joint Torque and Comfort in Driving Posture Based on JACK[J].Space Medicine&Medical Engineering,2016,29(6):440-445.
[10]MICHAEL SONNE,DINO L.VILLALTA,DAVID M.Andrews.Development and evaluation of an office ergonomic risk checklist:ROSA Rapid of strain assessment[J].Applied Ergonomics,2012,43:98-108.
[11]GUO Lixin,DONG Ruichun,ZHANG Ming.Ef-fect of lumbar support on seating comfort predic-ted by a whole human body-seat model[J].INTE-RNATIONAL JOURNAL OFINDUSTRIAL E-RGONOMICS,2016,53:319-327.
[12]ZHANG Kun,DING Xiaohong,NI Weiyu,et al.The component design method for automotive seat skeleton[J].Chinese Journalof Engineering Design,2015,22(2):166-171.
[13]TAO Qing,KANG Jinsheng,SUN Wenlei,et al.Digital evaluation of sitting posture comfort in human-vehicle system underindustry 4.0 framework[J].Chinese Journal Of Mechanical Engineering,2016,29(6):1096-1103.
[14]ZHANG E,XU Zhian,LIU Zhonghua,et al.Dy namic modeling and vib rationcharact-eristics of multi-DOF upper part system of seat-ed human body[J].Chinese Journal of Engineer-ing Design,2008,15(4):244-249.
[15]TANG Lihua,YANG Yan.The influence of different sitting position on the comfort of the chair[J].Journal of Central South University of Forestry&Technology,2013,33(6):150-154.
[16]LI Litao,XUE Hongjun.Research on the relationship between comfort and time based on stress analysis of L4-L5 vertebral force[J].Science Technology and Engineering,2009,9(9):2424-2428.
[17]JOHN L.PAPE,JEAN-MICHEL BRISMEE,PHILLIPS.SIZERE,et al.Increased spinal height using propped slouched sitting postures:Innovative ways to rehydrate intervertebral discs[J].Applied Ergonomics,2018,66:9-17.
[18]DARUIS,D.D.I,DEROS,et al.An Integrated Model of Static and Dynamic Measurementfor Seat Discomfort.Melaka[Z].2010.
[19]DON B.CHAFFIN GUNNAR B.J.ANDERSSON BER-NARD J.MARTIN.Occupational Biomechanics,Fourth Edition,chapter9,Guidelines for work in sitting postures[Z].2015.
[20]J.T.SONGS.J.AHNEMAIL AUTHORW.B.JEONGW.S.YOO.Subjective absolute discomfort threshold due to idle vibration in passenger vehicles according to sitting posture[J].International Journal of Automotive Technology,2017,18(2):293-300.
[21]MCGILL,S.M.,VANWIJK,H.J.,AXLER,C.T.,GLETSU,M..Studiesof spinal shrinkage to evaluate low-back loadingin theworkplace[J].Ergonomics,1996,39(1):92-102.
[22]LEANDA MCKENNA,PHD,XAVIER CORNWALL,et al.Differences in Scapular Orientation Between Standing and Sitting Postures at Rest and in 120 Scaption:A Cross-Sectional Study[J].Original Research,2017,9:579-587.
[23]ALVAREZ-MUNOZ,N.MARCHAND,J.F.GUER-RERO-CASTELLANOS.Rotorcraft with a 3DOF Rigid Manipulator:Quaternion-based Modeling and Real-time Control Tolerant to Multi-body Couplings[J].International Journal of Automation and Computing,2018,15(5):547-558.
[24]RAJPUT B,ABBOUD R J.The inadequate effect of automobile seating on foot posture and callus development[J].Ergonomics,2007,50(1):131-137.