Walking motions with high margin-of-stability values

Walking motions with high margin-of-stability values
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具有高稳定裕度值的步行运动

DOI:
10.1109/isr50024.2021.9419382
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发表时间:
2021
期刊:
Proceedings of IEEE International Conference on Intelligence and Safety for Robotics
影响因子:
--
通讯作者:
Yamada Yoji
Yamada Yoji
中科院分区:
--
文献类型:
--
作者:
Iwasaki Tomoyuki;Okamoto Shogo;Akiyama Yasuhiro;Inagaki Takashi;Yamada Yoji

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许多研究人员研究了与步态稳定性指数相关的步态参数,例如步宽和速度。相比之下,为了了解跌倒时的稳定步态运动,我们计算了与流行的动态步态稳定性指标:稳定裕度 (MoS) 相关的关节角度的时间序列。将偏最小二乘回归的时间序列扩展应用于关节角度以构建主运动,即步态运动中包含的运动元素。这些主运动彼此线性独立并与 MoS2 相关。三个主运动的线性组合产生与最小 MoS2 值相关的量,其系数为 0.87。对所获得的主运动的解释表明,稳定的步态具有较小的起跳长度和步长。
Many researchers studied on gait parameters, such as step width and speed, correlated with gait stability indices. In contrast, to understand stable gait motions against fall, we computed the time-series of joint angles that are correlated with a popular kinetic gait stability index: margin of stability (MoS). A time-series extension of the partial least square regression was applied on the joint angles to construct the principal motions, i.e., motion elements included in gait motions. These principal motions were linearly independent of each other and correlated with MoS. The linear combination of three principal motions produced a quantity that was correlated with the minimal MoS values having a coefficient of 0.87. Interpretation of the obtained principal motions suggests that the stable gait is of the small takeoff and step lengths.
DOI: --
发表时间: --
期刊: --
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