乐胖代购免代理版

{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,2,8]],"date-time":"2025-02-08T05:40:05Z","timestamp":1738993205676,"version":"3.37.0"},"reference-count":19,"publisher":"Institution of Engineering and Technology (IET)","issue":"3","license":[{"start":{"date-parts":[[2013,9,1]],"date-time":"2013-09-01T00:00:00Z","timestamp":1377993600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["81222021","30970875","90920015","61172008","81171423"],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["IET Wireless Sensor Systems"],"published-print":{"date-parts":[[2013,9]]},"abstract":"Walker is a widely used mobility aid to improve users\u2019 stability and ambulatory ability. Its dynamometer instrumentation is necessary for quantitative study of basic biomechanics and functional requirements for effective use. How to extract the kinetic demands exactly and without any disturbance to normal gait remains a bottleneck for walker dynamometer design. Based on the force measurement of handle reaction vectors (HRVs) applied to the walker, this study developed a novel strain gauge\u2010based wireless walker dynamometer system integrated with a static calibration algorithm based on ant colony system (ACS). Compared with the traditional measurement of HRV, the proposed method enhances security and flexibility of walker use by using one wireless data transmission system connecting 12 strain\u2010gauge bridges mounted on the walker frame with the computer. To improve high\u2010dimensional calibration performance, an ACS algorithm was employed to optimise the sensitivity weight matrix during calibration. To evaluate force measurement reliability, system performance with ACS algorithm was testified and its mean non\u2010linearity, mean crosstalk and maximal force measurement accuracy error were found to be 6.88, 6.10 and 7.46%, respectively, which were much better than those of traditional linear calibration methods. This implemented walker dynamometer system may prove to be a reliable tool for measurement of hand loads and description of kinetic analysis of basic walker\u2010assisted gait.<\/jats:p>","DOI":"10.1049\/iet-wss.2012.0136","type":"journal-article","created":{"date-parts":[[2013,8,19]],"date-time":"2013-08-19T16:20:55Z","timestamp":1376929255000},"page":"233-238","source":"Crossref","is-referenced-by-count":1,"title":["Wireless walker dynamometer design and static calibration based on ant colony system"],"prefix":"10.1049","volume":"3","author":[{"given":"Rui","family":"Xu","sequence":"first","affiliation":[{"name":"Department of Biomedical Engineering College of Precision Instruments and Optoelectronics Engineering, Tianjin University Tianjin 300072 People's Republic of China"}]},{"given":"Dong","family":"Ming","sequence":"additional","affiliation":[{"name":"Department of Biomedical Engineering College of Precision Instruments and Optoelectronics Engineering, Tianjin University Tianjin 300072 People's Republic of China"}]},{"given":"Shuang","family":"Qiu","sequence":"additional","affiliation":[{"name":"Department of Biomedical Engineering College of Precision Instruments and Optoelectronics Engineering, Tianjin University Tianjin 300072 People's Republic of China"}]},{"given":"Xin","family":"Wang","sequence":"additional","affiliation":[{"name":"Department of Biomedical Engineering College of Precision Instruments and Optoelectronics Engineering, Tianjin University Tianjin 300072 People's Republic of China"}]},{"given":"Hongzhi","family":"Qi","sequence":"additional","affiliation":[{"name":"Department of Biomedical Engineering College of Precision Instruments and Optoelectronics Engineering, Tianjin University Tianjin 300072 People's Republic of China"}]},{"given":"Lixin","family":"Zhang","sequence":"additional","affiliation":[{"name":"Department of Biomedical Engineering College of Precision Instruments and Optoelectronics Engineering, Tianjin University Tianjin 300072 People's Republic of China"}]},{"given":"Baikun","family":"Wan","sequence":"additional","affiliation":[{"name":"Department of Biomedical Engineering College of Precision Instruments and Optoelectronics Engineering, Tianjin University Tianjin 300072 People's Republic of China"}]}],"member":"265","published-online":{"date-parts":[[2013,9]]},"reference":[{"key":"e_1_2_7_2_1","doi-asserted-by":"publisher","DOI":"10.1088\/1741-2560\/6\/6\/066007"},{"key":"e_1_2_7_3_1","unstructured":"AlwanM.Jude RajendranP.LedouxA.HuangC.WassonG. andShethP.: \u2018Stability margin monitoring in steering\u2010controlled intelligent walkers for the elderly\u2019.AAAI Fall Symp. 2005"},{"key":"e_1_2_7_4_1","doi-asserted-by":"publisher","DOI":"10.1007\/s10439-005-9068-2"},{"key":"e_1_2_7_5_1","doi-asserted-by":"publisher","DOI":"10.1302\/0301-620X.87B5.16099"},{"key":"e_1_2_7_6_1","doi-asserted-by":"publisher","DOI":"10.1109\/7333.918282"},{"key":"e_1_2_7_7_1","doi-asserted-by":"publisher","DOI":"10.1097\/00004356-200023020-00009"},{"issue":"1","key":"e_1_2_7_8_1","first-page":"30","article-title":"Stability of walking frames","volume":"33","author":"Deathe A.B.","year":"1996","journal-title":"J. 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