path path(ol.) =pathological; pathology. n. (pl. paths ) 1.(自然踏成的)路;路徑;(馬路邊上的)人行道;(車子走不過(guò)的)小路;(競(jìng)走或自行車比賽的)跑道。 2.路線;路程;〔比喻〕(人生的)道路;(思想、行為、生活的)途徑,方式。 3.【天文學(xué)】道,帶。 approach path 【航空】進(jìn)場(chǎng)航線。 moon's path 【天文學(xué)】白道。 path of a total eclipse 【天文學(xué)】全蝕帶。 a path strewn with roses 撒滿玫瑰的道路,安樂的一生。 a beaten path 踏出來(lái)的[走慣的]路;常規(guī),普通方法。 break [blaze] a (new) path 開辟一條(新)路。 cross sb.'s path 碰見某人;擋住某人去路,阻礙某人。 set sb.on the right path 使某人走上正路。 path-breaker 開路人;闖將。 adj. -less 無(wú)路的,人跡未到的。
The exact process of 0 , 45 and 90 degree fiber placement path generation is showed in this paper 基于該思路,論文給出了0 、 45和90四種角度的具體鋪絲路徑生成過(guò)程。
( 2 ) an algorithm of tows number calculation is proposed . according to the distance between the points on the path and the nearby fiber placement path , the tows number is calculated on each point 首先等距相鄰的鋪絲路徑,然后依據(jù)當(dāng)前鋪絲路徑上各點(diǎn)與等距線的距離關(guān)系,求得該鋪絲路徑上各點(diǎn)處的絲數(shù)信息。
Firstly , disperses fiber placement path . secondly , finds the control point which is nearest to the dispersed point on the fiber placement surface . finally , acquires the fiber placement information of each control point 首先將鋪絲路徑離散,找到鋪絲面上與離散點(diǎn)距離最近的點(diǎn)作為控制點(diǎn),然后分別求得各控制點(diǎn)處的鋪絲信息。
Firstly , fiber placement reference is introduced to define the placement angle . based on that , a series of points on fiber placement path are generated . finally , the fiber placement path is formed with these dispersed points 首先引入鋪絲參考線來(lái)定義鋪絲角度和任意角度鋪絲路徑,在此基礎(chǔ)上求得鋪絲路徑上的一系列點(diǎn),然后由這些離散點(diǎn)插值出給定角度的鋪絲路徑。
The optimization of fiber placement paths for composite around - parts is studied , and a triangle algorithm is presented which is easy to implement and can be used for the path generation of free form surface - parts . tow width control and shaping error control are also studied 4 .提出了用于封閉殼體構(gòu)件的纖維鋪放軌跡規(guī)劃的三角形法,具有通用性強(qiáng)、計(jì)算簡(jiǎn)便的特點(diǎn);并討論了纖維鋪放的成形精度與絲寬控制方法。
The fiber placement cad is one of the key fundamental technologies in fp . fiber placement path generation , tows number calculation and fiber placement information acquisition of fiber placement cad are investigated deeply in this paper . the main contents are listed as follows : ( 1 ) fiber placement path planning is researched and a fiber placement path generation algorithm is designed to meet the requirement for arbitrary placement angles 自動(dòng)鋪絲cad技術(shù)是自動(dòng)鋪絲中的關(guān)鍵基礎(chǔ)技術(shù),本文對(duì)這一領(lǐng)域的相關(guān)問(wèn)題進(jìn)行了探索,深入研究了鋪絲路徑生成、絲數(shù)求取以及鋪絲信息生成等技術(shù),主要研究工作總結(jié)如下: ( 1 )研究了自動(dòng)鋪絲的路徑規(guī)劃技術(shù),提出了一種自動(dòng)鋪絲路徑生成算法。
Illustrated by a tensile composite plate with an open hole and a pin - loaded hole , fiber placement path planning of the fully - steered ply is studied . the optimization of fiber placement paths for composite plate - parts is studied , two kinds of algorithm are brought out to meet different requirements of base - line - path 3 .將層合板的加強(qiáng)層纖維鋪放路徑優(yōu)化方法推廣應(yīng)用于曲面板類復(fù)合材料構(gòu)件的纖維鋪放軌跡規(guī)劃,并根據(jù)不同基準(zhǔn)鋪放路徑數(shù)目提出了兩種纖維鋪放軌跡密化算法。