4 a ) explain the main features of a simple stock time curve graph 說(shuō)明簡(jiǎn)單庫(kù)存時(shí)間曲線圖的主要特征。
The measuring system has a good man - machine interlace , and is convenient to operate . the relating curve graph can be displayed in the dynamic way . the parameters set by the operator can be memori / ed automatically 系統(tǒng)軟件采用vc編寫,具有良好的人機(jī)界面,操作方便,數(shù)據(jù)曲線動(dòng)態(tài)顯示,系統(tǒng)參數(shù)自動(dòng)記憶,可以同上位機(jī)實(shí)時(shí)交換數(shù)據(jù)。
Engineering drawing system can draw two dimension curve graphs , main detail drawing and assembly drawing . the curve of internal trajectory and dynamic simulation of particle external trajectory . the detail drawing includes the graph of chamber , grain design , connection body , nozzle , some standard part 工程繪圖可以繪制二維曲線圖和零部件圖,其中二維曲線包括有內(nèi)彈道壓(推)力?時(shí)間曲線、質(zhì)點(diǎn)外彈道動(dòng)態(tài)模擬曲線;零部件圖包括有標(biāo)準(zhǔn)螺栓與螺紋孔、燃燒室結(jié)構(gòu)圖、裝藥設(shè)計(jì)截面圖、連接底結(jié)構(gòu)圖、噴管結(jié)構(gòu)圖及火箭發(fā)動(dòng)機(jī)總體裝配圖。
The projection and section curve graphs of workspace boundary surfaces for 6 - sps type pmts are drawn . results of analysis show that the theoretic workspace of 6 - sps trpe pmts is enveloped by 30 surface patchs . input and output ewtons of displacement analysis for double - octahedron variable geometry miss pmts are established , analytical expressions for determining singuledty configuration are derived 分別推導(dǎo)出了znys ztps型、 ips 3tps型和ipt ztps型并聯(lián)機(jī)床奇異倉(cāng)形判別的解析表達(dá)式,得到了奇異曲面方程,并由邊界曲面分析方法得到了lps 3tps型和ipt ztps型并聯(lián)機(jī)床的工作空間,文中給出了以上混聯(lián)結(jié)構(gòu)并聯(lián)機(jī)床奇異位形與工作空間分析的數(shù)值實(shí)例。
And the program is designed to convenient for using . the functions of supervisor system include data sampling and showing in real time , data saving , data printing , data showing through curve graph , alarm by sound and lamp . the running control function is accomplished through communicating with sub - computer 監(jiān)控系統(tǒng)的功能是實(shí)現(xiàn)數(shù)據(jù)的實(shí)時(shí)采集、實(shí)時(shí)顯示、數(shù)據(jù)保存、數(shù)據(jù)打印、曲線圖顯示、聲光及語(yǔ)音報(bào)警,并通過(guò)串行通訊口和下位機(jī)運(yùn)行控制器通訊來(lái)實(shí)現(xiàn)運(yùn)行的自動(dòng)控制。