Solutions for positioning inertia measurements units for motion tracking
Solutions for positioning inertia measurements units for motion tracking
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用于运动跟踪的定位惯性测量单元的解决方案
DOI：
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发表时间：
2012
期刊：
影响因子：
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通讯作者：
G. Helling
中科院分区：
文献类型：
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作者：
G. Helling
惯性运动捕捉是实时分析人体运动的少数技术之一。主要
这种特殊技术的优点是不需要昂贵的实验室和摄像机来完成这项工作。
Xsens Technologies已经开发这项技术超过10年。其系统（MVN）可以
可以在许多不同的环境中使用。为了娱乐的目的，他们已经开发了一个完整的身体
莱卡西装出于运动科学的目的，他们开发了单独的带，可以放在每个
单独段。这有助于提高测量的准确性，因为它们可以被放置得更高。
紧紧地贴在身体上。它也是一种通用的解决方案，使其成为更便宜，更容易的产品
因为不像西装，任何时候都只需要一个尺码。这似乎是一个完美的解决方案，但
总是有改进的余地，尤其是肩部的测量。目前
MVN背带包括某种肩部顶部，具有肩部传感器和胸骨传感器
但是由于软组织伪影，肩部的复杂性和
肩顶，尺寸不是很准确。这个项目的目标是找到一个新的解决方案
解决这个问题。第1章将对此进行更详细的讨论。
第二章是项目的分析阶段。它显示了皮带的使用方式和使用者，
肩部是如何工作的，目前的解决方案是什么，竞争对手提出了什么。这
本章非常重要，有助于理解问题以及在以下情况下需要考虑的事项
设计一种新的肩带
第三章是设计阶段。为了排除一些想法，一些旧的概念和原型
已经分析过了。这些想法没有工作或太复杂，所以任何类似的任何
那些可能也不行。考虑到这一点，产生了一些想法，
似乎最有希望的是更详细地制定出来。最终形成了四个概念。
其中两个涉及氯丁橡胶肩带，其中两个由莱卡制成。
在第四章中，这些概念被细化为原型。不幸的是，
因为太复杂，在有限的时间内无法完成，所以只制作了三个原型。
本章还解释并显示了与原型进行的实验结果
看看它们中是否有任何一个像预期的那样工作，以及它们中是否有任何一个足够好，可以取代
目前的肩关节。不幸的是，结果显示出相当多的不一致性，这使得它非常
很难从中得出正确的结论。结果表明，氯丁橡胶原型确实
即使人们觉得它们是最舒适的，它们的表现也不是很好。也许有几个
调整，它仍然是可能的两个氯丁橡胶的想法之一，以执行更好。
Inertial motion capturing is one of a few techniques for real-time analysis of human motion. The main
advantage of this specific technique is that no expensive lab and cameras are needed to get the job done.
Xsens Technologies has been developing this technique for over 10 years. Their system (MVN) can
be used in a number of different settings. For entertainment purposes they have developed a full-body
lycra suit. For motion science purposes they have developed seperate straps that can be put onto each
individual segment. This helps increase accuracy of the measurements because they can be put more
tightly onto the body. It is also a one-size-fits-all solution which makes it a cheaper and easier product
because only one size is needed at all times, unlike the suit. This seems like a perfect solution but there
is always room for improvement, this is especially true for measurements of the shoulder. Currently
the MVN Straps include some sort of shoulder top that has the shoulder sensors and sternum sensor
attached to it. But because of the soft tissue artifact, complexity of the shoulder and complexity of the
shoulder top, the measurements are not very accurate. The goal of this project is to find a new solution
for this problem. Chapter 1 will go into more detail about this.
Chapter 2 is about the analysis phase of this project. It shows how and by who the straps are being used,
how the shoulder works, what the current solutions is and what competitors have come up with. This
chapter is very important to help understand the problem and what needs to be taken into account when
designing a new shoulder strap.
Chapter 3 shows the design phase. To rule out some ideas, some of the old concepts and prototypes
have been analyzed. These ideas did not work or were too complicated so anything similar to any of
those probably would not work either. With that in mind some ideas were generated and the ones that
seemed the most promising were worked out in more detail. Eventually four concepts were created.
Two of them involving neoprene shoulder braces and two of them made from lycra.
In chapter 4 these concepts were eleborated into prototypes. Unfortunately it turned out that one of
them was too complicated to make in the limited time that was left so only three prototypes were created.
The chapter also explains and shows the results of an experiment that was conducted with the prototypes
to see if any of them worked as expected and if any of them would be good enough to replace
the current shoulder piece. Unfortunately the results show quite some inconsistency which made it very
difficult to draw some proper conclusions from them. Results show that the neoprene prototypes do
not perform very well even though people found them to be the most comfortable. Perhaps with a few
adjustments it is still possible for one of the two neoprene ideas to perform better.