【文章內(nèi)容簡(jiǎn)介】 ter推進(jìn)器類(lèi)型The used thruster will be a Gridded Ion Engine. 柵極離子發(fā)動(dòng)機(jī)R06 – Thruster dimensions and weight推進(jìn)器尺寸與重量The thruster diameter will be less or equal to 300 mm. The thruster weight will be less or equal to 10 kg.尺寸≤300mm重量≤10kgR07 – Environmental requirements環(huán)境要求The EMS should be patible with the IPL laboratory environmental requirements, summarized below: EMS應(yīng)滿(mǎn)足510所實(shí)驗(yàn)室的環(huán)境要求：o Vacuum degree: 1x103 Pa to1x102 Pa。 o Cleanliness level: laboratory。 o Temperature: 040 176。C。 o Humidity: 1060 %。 o Available power: 220 V AC真空度：1x103 Pa to1x102 Pa；潔凈度：實(shí)驗(yàn)室；溫度： 040 176。C；濕度：1060 %；可用電源：220V ACR08 – Vacuum chamber requirements真空罐要求不是這臺(tái)設(shè)備用，請(qǐng)與楊俊泰在溝通一下。The EMS should be used in a new vacuum chamber, 2 m in diameter for about 5 m in length, described in the scheme of Figure 5 and Figure 6.真空罐直徑2m，長(zhǎng)約5m，見(jiàn)圖5，6。Figure 1 Top view: the two DN100 flanges in the red box can be used by ALTA圖1 頂視圖：ALTA可利用紅框內(nèi)的2個(gè)DN100凸緣1 液氮儲(chǔ)供系統(tǒng)2 副艙真空容器3 推力器熱控裝置4 安裝電源專(zhuān)用副艙5 主艙真空容器6 真空抽氣系統(tǒng)7 地面氙供氣單元8 離子推力器地面供電電源9 電推進(jìn)控制系統(tǒng)10 真空抽氣和推力器溫控控制系統(tǒng)11 冷卻水系統(tǒng)12 氣動(dòng)元件供氣系統(tǒng)Figure 2 Side view: the three DN100 flanges in the red box can be used by ALTA圖2 側(cè)視圖：ALTA可利用紅框內(nèi)的3個(gè)DN100凸緣13 液氮進(jìn)出接口14 推力器安裝架15 主艙電、氣接口16 主艙真空容器17 真空規(guī)接口 18 鞍座19 離子束靶R09 – Mechanical interface with the vacuum chamber與真空罐機(jī)械接口Alta should clarify the required mechanical interface between the EMS and the vacuum facility.Alta確定EMS與真空罐之間的機(jī)械接口。R10 – Electrical interfaces電接口The electrical ponents, including wires and cables, should be patible with high voltage operation. In particular, the expected peak voltage is about 1500 V and the max peak current is 12A. The electrical ponents should be certified for at least 2500 V operation.電組件，含電線(xiàn)電纜，應(yīng)能適應(yīng)高壓工作。最高電壓約為1500V，最大電流12A，電組件應(yīng)至少能承受2500V的電壓。R11 – Feedthroughs, connectors, and flanges饋入裝置，連接器和凸緣The feedthroughs for the erosion measuring system stand should be realized in patibility with the available flanges (Figure 6).腐蝕測(cè)量系統(tǒng)的饋入裝置應(yīng)符合可用凸緣（圖6）。R12 – Control software requirements控制軟件要求The control software provided with the EMS, should be capable of: o Perform atmospheric and invacuum preliminary setup (“calibration”) o Provide measurement of erosion in terms of circle diameters, linear length, depth of grooves/pits (not in realtime). o Provide alarms and possible information on recovery actions in case of EMS failures. o Being provided with highly automated procedures. o Being provided with extensive User Manual. o Being realized with easiness of use as key requirement.EMS配有的控制軟件應(yīng)：216。 可在大氣壓下和真空中進(jìn)行初始安裝（“校準(zhǔn)”）。216。 可測(cè)量腐蝕的圓圈直徑，線(xiàn)性長(zhǎng)度，坑/槽處深度（非實(shí)時(shí)）。216。 EMS一旦故障，發(fā)出警報(bào)，提供修復(fù)相關(guān)信息。216。 程序高度自動(dòng)化。216。 全面的用戶(hù)手冊(cè)。216。 操作簡(jiǎn)便。R13 – Control software source code控制軟件源代碼An option in the quotation should be present concerning the possibility of purchasing the control software source code, to be able to independently modify it in the future.可購(gòu)買(mǎi)控制軟件源代碼，以便日后可自行修改。R14 – Operation requirements運(yùn)行要求The EMS should be capable to operate and withstand the thruster derived temperature level, ining heat flux, and backsputtered particles when placed in safe position. The EMS calibration procedures should be rapid.EMS不受推進(jìn)器引起的溫度升高，熱流和回濺的影響，仍可正常運(yùn)行。EMS校準(zhǔn)程序迅速。R15 – Reliability and Service Life可靠性與使用壽命The EMS should be capable of withstanding very long times in vacuum (several consecutive months) with sporadic operation. The EMS expected service life should be 8 years, if possible, including options for regular maintenance and availability of spare parts. A set of basic failure modes should be defined and agreed with LIP and their corrective actions and alarms inserted, if possible, in the control software.EMS可經(jīng)受長(zhǎng)期在真空中（連續(xù)數(shù)月）不定時(shí)的運(yùn)行。EMS的預(yù)計(jì)壽命應(yīng)為8年，包括定期維護(hù)和可用的備用件。與510所協(xié)商確認(rèn)一組基本的失效模式，如可能，將其正確的處理方式和警報(bào)嵌入控制軟件中。R16 – Maintenance, Training, and Spare Parts維護(hù)，培訓(xùn)和備用件An extensive training in use of the ESM should be given by Alta personnel to LIP personnel during the system missioning. Two years of free maintenance with a total of 2 visits to China should be included in the offer. A list of ponents and spare parts should be provided with the system, with detailed information on the procurement. Remote support for operation of the system should be included as part of the offer. An option concerning a longer maintenance period including spare parts should be included.針對(duì)EMS使用，Alta應(yīng)對(duì)510所人員進(jìn)行培訓(xùn)。報(bào)價(jià)中應(yīng)含有兩年的免費(fèi)維護(hù)和2次到中國(guó)的上門(mén)服務(wù)。組件與備用件清單應(yīng)同系統(tǒng)一起提供，并有詳細(xì)的采購(gòu)信息。報(bào)價(jià)中應(yīng)含有系統(tǒng)運(yùn)行的遠(yuǎn)程支持。延長(zhǎng)維護(hù)期，包括備用件，應(yīng)作為可選項(xiàng)包含在報(bào)價(jià)內(nèi)。R17 – Delivery time 交付時(shí)間The desired delivery time would be 6 months, if possible. Alternative possibilities should be detailed in the offer. 如有可能，交付時(shí)間為6個(gè)月。報(bào)價(jià)應(yīng)對(duì)其它可能性做出詳細(xì)說(shuō)明。4 Technical Implementation 技術(shù)實(shí)現(xiàn)In order to positively answer to all the previous requirements by LIP, the following technical implementation will be used. Additional interaction with the Customer might be required. Important elements are presented inside boxes within the text.以下的技術(shù)實(shí)現(xiàn)將對(duì)510所上述的所有要求做出正面解答。與客戶(hù)需進(jìn)行額外溝通。文中方框內(nèi)的文字為重要原理。 Erosion measurement features 腐蝕測(cè)量特點(diǎn) Linear measurement線(xiàn)性測(cè)量As described in section , the typical working distance of the system is supposed to be around 175 mm from the target surface. In this case, the field of view of the cameras will be around mm with a resolution of 5 m. It is therefore expected, in case of nominal illumination, to be able to measure linear distance variations of minimum 23 pixels (corresponding to 1015 m).，系統(tǒng)的典型工作距離設(shè)為距離目標(biāo)表面175mm，分辨率5m請(qǐng)落實(shí)單位？是m?分辨率是5的話(huà)，測(cè)量精度是多少？怎么驗(yàn)證測(cè)量精度？，所以在標(biāo)準(zhǔn)照明條件下，可測(cè)量的最小線(xiàn)性距離變量為23pixels（對(duì)應(yīng)1015m）單位？。The system will take (automatically or manually) one or more pictures in a given set of positions. After that the software will determine the variation between two successive pictures of some defined linear pattern (. a hole diameter, a segment len