【正文】 s Liaoning province, decades ago. The solider gave the old man a handmade saddle when they bid farewell. The story inspired Nasun to write Carved Saddle, a song that later became one of his most popular numbers. Now, every year, Nasun recruits young singers and dancers for the troupe. The troupe has also designed a new repertoire, which is mostly based on the daily lives of Mongolian people, especially the lives of nomadic families, and has bined contemporary musical elements with folk songs of the region. Haimu, a 25yearold khoomei (a local variant of overtone singing) singer, joined the troupe three years ago. Along with a sixmember band, he performs fast songs and soft ones that he writes－ all while playing the horsehead fiddle.Although I learned the piano since childhood and grew up listening to various kinds of music, to me, the folk music of Inner Mongolia is the root, he says. Performing in remote villages is pleasant. I feel at home on the boundless grasslands, and the warm people there make me feel fulfilled. The first round of spring auction season in Beijing ended last week, but it failed to create much spring in the art market. Although two pieces of Chinese painting fetched more than 100 million yuan, the decline in trading volume and sa le rate showed a downturn this year. In the ―Grand View: Chinese Painting Highlight‖ session at China Guardian 2021 spring auctions, Pan Tianshou’s representative work Eagle, Rock and Flora hit a record auction price of 279 million yuan, while Li Keran’s masterwork Jinggang Mountain fetched million yuan, an unexpected high in recent years. However, the trading volume fells to billion yuan from billion yuan in the same period the year before. The Huangchen 2021 Spring Auctions, which recorded million yuan in total sales, experienced the same. The section number went down to 5 from 12 pared to last year. According to expert Shao Jianwu, the art market did not attract much excitement this year due to the booming stock market and the persistent problems of fery and fake deals. The two pieces of Chinese painting notched up high price this spring due to their own value not due to a revival in the market. The successful transaction of two works with a hammer price of more than 100 million yuan once again confirms that valuable and rare works of high quality always earn the longlasting high price. Chinese painting and calligraphy is still the pillar of the market. However, the overall sales rate has dropped slightly, which reflects the demand for the ordinary auction goods has weakened,‖ said the president of China Guardian’s Hu Yanyan. Besides, the entry of new buyers also makes certain changes to the direction of purchasing. In a word, the overall market trend is very unpredictable. Although China Guardian 2021 Spring Auctions has achieved remarkable results, it does not mean that the market has walked out of the predicament. We still have to wait for the big economic boom to invigorate the art market.‖ Even so, the hot pursuit of some special items appeared this spring. A special session of China Guardian Spring Auctions titled ―Fine Gilt—Bronze Buddhist Images‖ achieved a great deal with total sales volume of million yuan and 92 percent sale rate. The 5th Shamar Rinpoche Statue from 1617th century of Tibet was sold for million yuan. The Beijing Chengxuan Auctions featured almost 2,800 items of coins and stamps in three sessions with good sale rate. The Huachen Auctions also set a special session of photographs under the condition of largescale decline of auction sessions. There was a palpable dull thud of disappointment that acpanied the return of the imperial entourage of Zhen Huan to her homeland. It followed a couple years of hushed excitement as Chinese fans were fed tidbits about their proud concubine who was supposed to co。s Poly Theater. Their show, titled Ulan Muqir on the Grassland, depicted the history and development of the art troupe. Being from the region allowed me to embrace the culture of Inner Mongolia and being a member of the troupe showed me where I belonged, Nasun, the art troupe39。s performers of the troupe still tour the region39。t have a formal stage. The audience just sat on the grass. Usually, the performances became a big party with local people joining in. For him, the rewarding part about touring isn39。80s. We sat on the back of pickup trucks for hours. The sky was blue, and we couldn39。s Shaanxi province pass through a stop on the ancient Silk Road, Gansu39。 五、工作方法及措施： 無 錫 職 業(yè) 技 術(shù) 學(xué) 院 畢 業(yè) 設(shè) 計(jì) （ 論 文 ） 說 明 書 32 本課題主要采用的實(shí)驗(yàn)法、 首先了解研究課題，查閱相關(guān)資料 對(duì)物料分揀進(jìn)行實(shí)驗(yàn)，編程，調(diào)速，畫出相關(guān)圖紙 完成論文通過資料的收集，老師的指導(dǎo)等 三、設(shè)計(jì)（論文）體系、結(jié)構(gòu)（大綱） 具體結(jié)構(gòu)如下 引言摘要 圖表清單 緒論 氣動(dòng)物料系統(tǒng)工藝要求及控制方案； 氣動(dòng)物料控制系統(tǒng)設(shè)置 PLC 程序設(shè)計(jì) 調(diào)試及結(jié)論 致謝、參考文獻(xiàn)、附錄 指導(dǎo)教師意見： 簽字： 年 月 日 院（系）審批意見： 簽章： 年 月 日 無 錫 職 業(yè) 技 術(shù) 學(xué) 院 畢 業(yè) 設(shè) 計(jì) （ 論 文 ） 說 明 書 33 畢業(yè)設(shè)計(jì) （論文） 任務(wù)書 2021 年 3 月 8 日 畢業(yè)設(shè)計(jì)（論文）題 目 氣動(dòng)物料分揀實(shí)訓(xùn)設(shè)備設(shè)計(jì)及制作 題 目 來源 校內(nèi) 指導(dǎo)教師 職稱 講師 所在部門 控制學(xué)院 學(xué)生姓名 學(xué)號(hào) 班級(jí) 所屬院系專業(yè) 電氣自動(dòng)化 外語翻譯要求 無 課題需要完成的任務(wù) 查閱物料分揀設(shè)備、 PLC及觸摸屏的相關(guān)文獻(xiàn)、收集資料； 提出氣動(dòng)物料分揀 系統(tǒng)的設(shè)計(jì)方案并進(jìn)行論證； 完成 系統(tǒng)的 主電路圖、控制電路圖的設(shè)計(jì)及 相關(guān)器件選型、電氣圖紙?jiān)O(shè)計(jì)； 完成觸摸屏界面的設(shè)計(jì)與實(shí)現(xiàn)； 完成相關(guān)程序設(shè)計(jì)及調(diào)試； 完成論文一份，包括課題的任務(wù)、設(shè)計(jì)圖紙、程序等。 四、研究步驟 第一階段：行業(yè)企業(yè)調(diào)研、資料收集與整理、完成調(diào)研報(bào)告與開題報(bào)告； 第二階段 ：系統(tǒng)設(shè)計(jì)、制作、調(diào)試、修改完善； 第三階段：整理系統(tǒng)相關(guān)技術(shù)資料。 將啟動(dòng)按鈕、停止按鈕設(shè)計(jì)為同一按鈕 。氣缸動(dòng)作將物料推出，完成分揀。 設(shè)計(jì)急停按鈕，按下急停按鈕的時(shí)候所 有氣缸立即停止。氣缸動(dòng)作將物料推出，完成分揀。 三、預(yù)期目標(biāo) 控制程序啟動(dòng)，檢測(cè)傳感器 1 檢測(cè)是否有物料，沒有檢測(cè)到物料繼續(xù)檢測(cè)；檢測(cè)到有物料程序往下執(zhí)行，檢測(cè)傳感器 2 檢測(cè)物料類型（鐵、尼龍），檢測(cè)傳感器 2 檢測(cè)物料是類型一（鐵），執(zhí)行器（氣缸）一動(dòng)作 ，執(zhí)行器一動(dòng)作完成后對(duì)這一物料的分揀結(jié)束同時(shí)啟動(dòng)下一輪的分揀；檢測(cè)傳感器 2 檢測(cè)物料是類型二（尼龍），執(zhí)行器二動(dòng)作，執(zhí)行器二動(dòng)作完成后對(duì)這一物料的分揀結(jié)束同時(shí)啟動(dòng)下一輪的分揀 設(shè)計(jì)利用模式切換開關(guān)實(shí)現(xiàn)模式一與模式二之間的切換。 二、課題綜述（課題研究，主要研究的內(nèi)容，要解決的問題，預(yù)期目標(biāo)，研究步驟、方法及措施等） 一