نتایج جستجو برای: pull in
تعداد نتایج: 16978350 فیلتر نتایج به سال:
A general theoretical model using the coupling effect between the torsion and bending is presented in this paper, which characterizes the static properties of the electrostatic torsional micromirror, especially its pull-in effect. A set of normalized equations governing the static actuation properties of the torsional micromirror based on the parallel plate capacitor model is derived to demonst...
The isometric pull and push strength profiles of males and females were determined in seated and standing positions in the workspace. The strongest pull strength location was at extreme reach vertically above the shoulder for both males and females. The greatest pull strength of 400 Newtons (N) for males was recorded in the seated and standing positions. Females' pull strengths in the seated an...
In this article, the pull-in instability and dynamic characteristics of electrostatically actuated suspended microchannel resonators are studied. A theoretical model is presented to describe the pull-in effect of suspended microchannel resonators by considering the electrostatic field and the internal fluid. The results indicate that the system is subjected to both the pull-in instability and t...
A common task in automated manufacturing processes is that of orienting (or feeding) parts prior to assembly. In this paper, we propose a new type of feeder. We consider sensorless orientation of polygonal parts with elevated edges by pull actions with an overhead finger. We show that any asymmetric convex polygonal part can be oriented by a sequence of pull operations. We give an O(n) algorith...
Hole quality plays a crucial role in the production of close-tolerance holes utilized in aircraft assembly. Through drilling experiments of carbon fiber-reinforced plastic composites (CFRP), this study investigates the impact of varying drilling feed and speed conditions on fiber pull-out geometries and resulting hole quality parameters. For this study, hole quality parameters include hole size...
چکیده در این تحقیق با انجام آزمایش های متعدد بر روی نمونه های بتنی ساخته شده از بتنهای خودتراکم و نرمال (معمولی)، که حاوی میلگرد فولادی و پلیمری بوده اند، به بررسی عوامل موثر بر مقاومت پیوستگی بتن و میلگرد پرداخته شد. عمده ترین آزمایش در این تحقیق، آزمایش بیرون کشیدن میلگرد از داخل بتن بوده است. بتنهای خودتراکم ساخته شده دارای دو نوع طرح اختلاط بوده اند که در یکی از آنها ماده فوق روان کننده کمت...
Objectives: A functional helpful exercise that tends to correct postural unevenness and endeavours to re-establish lumbo-pelvic mechanics would appear to be beneficial for patients with postural impairment. This study evaluated the effects of right sidelying respiratory left adductor pull back exercise on improving hip biomechanics in participants with a tendency to stand on right side. Method...
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