導語：機(ji)載電子設(she)備智能供電方案設(she)計分析一文來源于(yu)網友上傳，不(bu)代表本(ben)站(zhan)觀點，若(ruo)需(xu)要原創文章可咨詢客服(fu)老師，歡迎(ying)參考。

摘要:機載電子設備綜合化程度越來越高，對供電系統可靠性和安全性要求也提出了很高的要求。給出一種余度供電設計方案，采用外部及用電LＲM模塊兩級余度供電輸入設計，通過智能電源管理對供電系統進行重(zhong)構管(guan)理、故(gu)障監測、故(gu)障隔離(li)，可實現機載設(she)備(bei)供電(dian)系統一次故(gu)障工作、二次故(gu)障安全的(de)要(yao)求(qiu)。驗證結果表明，設(she)計能(neng)夠(gou)大幅提高(gao)綜合化機載電(dian)子設(she)備(bei)供電(dian)系統的(de)可靠性、安全性及可用性。

關鍵詞:機載(zai)電(dian)(dian)子設備(bei);供(gong)電(dian)(dian)系統可靠(kao)性和安(an)全性;余度供(gong)電(dian)(dian);智能電(dian)(dian)源管理

電子技術高速發展，電子系統的應用領域越來越廣泛，電子設備的種類也越來越多。新一代飛機機載電子設備的小型化、綜合化設計已成為趨勢。隨著機載設備綜合化程度的提高，所承擔的任務數量及其重要性也越來越高，系統中電源設計已不再僅僅是滿足系統供電需求的單一功能單元，供電可靠性和安全性對于機載設備完成飛機任務有著至關重要的作用［1］。余度設計是非常重要的設計方法，該方法可有效提高機載產品的可靠性和安全性，實現產品一次故障工作，二次故障安全等要求［2］。本文結合某項目綜合模塊化航電處理平臺，提出一種雙余度智能供電方案設(she)計，采用(yong)智(zhi)能電源管(guan)理，能夠在發生供電、用(yong)電故(gu)(gu)障(zhang)時，實現故(gu)(gu)障(zhang)的(de)檢測和(he)隔離，防止故(gu)(gu)障(zhang)蔓延，維(wei)持(chi)系統功能性能，為(wei)機載電子設(she)備(bei)安全可靠(kao)工作提供堅實的(de)保障(zhang)。

1系統供電方案設計

綜合(he)模(mo)(mo)(mo)塊(kuai)(kuai)(kuai)(kuai)化(hua)航電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)處(chu)理(li)平臺系(xi)統供(gong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)網絡如圖1所(suo)示，采(cai)用(yong)2塊(kuai)(kuai)(kuai)(kuai)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)模(mo)(mo)(mo)塊(kuai)(kuai)(kuai)(kuai)(PSM)并聯(lian)設(she)計(ji)(ji)，完成機上供(gong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)到(dao)內部(bu)LＲM模(mo)(mo)(mo)塊(kuai)(kuai)(kuai)(kuai)用(yong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)的(de)功率轉(zhuan)換。飛機通過2根270VDC電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)匯流(liu)條(tiao)向(xiang)綜合(he)模(mo)(mo)(mo)塊(kuai)(kuai)(kuai)(kuai)化(hua)航電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)處(chu)理(li)平臺提(ti)(ti)供(gong)270VDC電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)，2路270VDC輸入(ru)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)并聯(lian)后，經(jing)過同一(yi)(yi)套濾波電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)路分別向(xiang)2塊(kuai)(kuai)(kuai)(kuai)PSM模(mo)(mo)(mo)塊(kuai)(kuai)(kuai)(kuai)提(ti)(ti)供(gong)270VDC。當發生1路外部(bu)供(gong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)線路或供(gong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)設(she)備故(gu)(gu)障(zhang)時(shi)，另一(yi)(yi)路270VDC輸入(ru)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)可(ke)為系(xi)統正常工作(zuo)提(ti)(ti)供(gong)供(gong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)。系(xi)統內部(bu)2塊(kuai)(kuai)(kuai)(kuai)PSM模(mo)(mo)(mo)塊(kuai)(kuai)(kuai)(kuai)采(cai)用(yong)1+1余度(du)供(gong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)設(she)計(ji)(ji)，一(yi)(yi)旦某一(yi)(yi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)發生故(gu)(gu)障(zhang)，另一(yi)(yi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)能(neng)獨立承擔(dan)對所(suo)有(you)LＲM模(mo)(mo)(mo)塊(kuai)(kuai)(kuai)(kuai)供(gong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)的(de)能(neng)力。經(jing)過濾波的(de)270VDC電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)同時(shi)輸入(ru)到(dao)2塊(kuai)(kuai)(kuai)(kuai)PSM模(mo)(mo)(mo)塊(kuai)(kuai)(kuai)(kuai)，每(mei)個(ge)PSM模(mo)(mo)(mo)塊(kuai)(kuai)(kuai)(kuai)獨立輸出轉(zhuan)換后的(de)28VDC給用(yong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)LＲM模(mo)(mo)(mo)塊(kuai)(kuai)(kuai)(kuai)，用(yong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)LＲM模(mo)(mo)(mo)塊(kuai)(kuai)(kuai)(kuai)設(she)計(ji)(ji)為2路外部(bu)并聯(lian)供(gong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)輸入(ru)，采(cai)用(yong)均流(liu)的(de)方式進(jin)行工作(zuo)。當發生1塊(kuai)(kuai)(kuai)(kuai)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)模(mo)(mo)(mo)塊(kuai)(kuai)(kuai)(kuai)故(gu)(gu)障(zhang)導(dao)致輸出28VDC故(gu)(gu)障(zhang)、或用(yong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)LＲM模(mo)(mo)(mo)塊(kuai)(kuai)(kuai)(kuai)1路供(gong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)輸入(ru)接口(kou)故(gu)(gu)障(zhang)時(shi)，雙余度(du)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)模(mo)(mo)(mo)塊(kuai)(kuai)(kuai)(kuai)設(she)計(ji)(ji)及(ji)雙余度(du)供(gong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)輸入(ru)接口(kou)設(she)計(ji)(ji)均可(ke)保證系(xi)統一(yi)(yi)次故(gu)(gu)障(zhang)情況(kuang)下(xia)正常工作(zuo)。

2智能電源管理

系(xi)統(tong)中設(she)計有(you)系(xi)統(tong)控(kong)制器模(mo)塊(kuai)(kuai)(kuai)，負責整個系(xi)統(tong)電(dian)(dian)源管理，電(dian)(dian)源模(mo)塊(kuai)(kuai)(kuai)通過對用電(dian)(dian)設(she)備及自身工(gong)作(zuo)狀態(tai)監控(kong)，接收(shou)系(xi)統(tong)控(kong)制器命令完(wan)成電(dian)(dian)源管理，這就(jiu)要求電(dian)(dian)源模(mo)塊(kuai)(kuai)(kuai)不僅僅是簡單的(de)功(gong)(gong)率轉換輸(shu)出(chu)，而是對輸(shu)入(ru)輸(shu)出(chu)增加(jia)了監測和控(kong)制，同時實現與系(xi)統(tong)控(kong)制器的(de)通信交互，能夠智能的(de)對輸(shu)入(ru)和輸(shu)出(chu)進行管控(kong)。電(dian)(dian)源模(mo)塊(kuai)(kuai)(kuai)功(gong)(gong)能框圖(tu)(tu)如圖(tu)(tu)2所示(shi)。圖(tu)(tu)2電(dian)(dian)源模(mo)塊(kuai)(kuai)(kuai)功(gong)(gong)能框圖(tu)(tu)

2．1智能電源監測

智(zhi)能電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)監(jian)(jian)(jian)(jian)(jian)測(ce)(ce)(ce)(ce)(ce)是(shi)(shi)實現智(zhi)能電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)管(guan)(guan)理(li)的(de)基礎，以(yi)(yi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)監(jian)(jian)(jian)(jian)(jian)測(ce)(ce)(ce)(ce)(ce)結果為輸(shu)入，智(zhi)能電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)管(guan)(guan)理(li)系統才能完(wan)成(cheng)綜(zong)合模(mo)塊(kuai)(kuai)(kuai)化航(hang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)處理(li)平臺的(de)智(zhi)能電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)管(guan)(guan)理(li)。智(zhi)能電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)監(jian)(jian)(jian)(jian)(jian)測(ce)(ce)(ce)(ce)(ce)主(zhu)要通(tong)過(guo)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)模(mo)塊(kuai)(kuai)(kuai)完(wan)成(cheng)對(dui)輸(shu)入供電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)監(jian)(jian)(jian)(jian)(jian)測(ce)(ce)(ce)(ce)(ce)、輸(shu)出(chu)供電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)監(jian)(jian)(jian)(jian)(jian)測(ce)(ce)(ce)(ce)(ce)、電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)模(mo)塊(kuai)(kuai)(kuai)溫(wen)(wen)度監(jian)(jian)(jian)(jian)(jian)測(ce)(ce)(ce)(ce)(ce)等［3］。輸(shu)入供電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)監(jian)(jian)(jian)(jian)(jian)測(ce)(ce)(ce)(ce)(ce)主(zhu)要是(shi)(shi)對(dui)輸(shu)入到(dao)綜(zong)合模(mo)塊(kuai)(kuai)(kuai)化航(hang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)處理(li)平臺的(de)外(wai)(wai)部(bu)(bu)(bu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)狀態進(jin)(jin)行(xing)(xing)監(jian)(jian)(jian)(jian)(jian)測(ce)(ce)(ce)(ce)(ce)，PSM模(mo)塊(kuai)(kuai)(kuai)需要對(dui)2路(lu)外(wai)(wai)部(bu)(bu)(bu)輸(shu)入進(jin)(jin)行(xing)(xing)監(jian)(jian)(jian)(jian)(jian)測(ce)(ce)(ce)(ce)(ce)，從(cong)圖(tu)1可以(yi)(yi)看出(chu)，由(you)于濾波器后端270V接有儲能電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)容，當外(wai)(wai)部(bu)(bu)(bu)輸(shu)入變(bian)化時，在電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)容器上檢測(ce)(ce)(ce)(ce)(ce)270V電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓會存在電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓緩慢(man)變(bian)化而不能線性反應輸(shu)入電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓的(de)瞬變(bian)，監(jian)(jian)(jian)(jian)(jian)測(ce)(ce)(ce)(ce)(ce)失去意義，所以(yi)(yi)輸(shu)入供電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)采樣(yang)點設計(ji)到(dao)外(wai)(wai)部(bu)(bu)(bu)輸(shu)入前端，這樣(yang)可以(yi)(yi)快速地監(jian)(jian)(jian)(jian)(jian)測(ce)(ce)(ce)(ce)(ce)到(dao)外(wai)(wai)部(bu)(bu)(bu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)故障，當外(wai)(wai)部(bu)(bu)(bu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓出(chu)現過(guo)高或過(guo)低時，PSM模(mo)塊(kuai)(kuai)(kuai)將發出(chu)告警(jing)信(xin)號，通(tong)知其他LＲM模(mo)塊(kuai)(kuai)(kuai)保(bao)存現場，然后在系統控(kong)制器的(de)控(kong)制下(xia)按照(zhao)預定配置進(jin)(jin)行(xing)(xing)供電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)管(guan)(guan)理(li)。輸(shu)出(chu)供電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)監(jian)(jian)(jian)(jian)(jian)測(ce)(ce)(ce)(ce)(ce)主(zhu)要是(shi)(shi)監(jian)(jian)(jian)(jian)(jian)測(ce)(ce)(ce)(ce)(ce)流(liu)過(guo)各(ge)LＲM模(mo)塊(kuai)(kuai)(kuai)的(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)，根據(ju)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)大小(xiao)產生電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓模(mo)擬信(xin)號，提(ti)供給(gei)智(zhi)能管(guan)(guan)理(li)組件進(jin)(jin)行(xing)(xing)模(mo)擬量監(jian)(jian)(jian)(jian)(jian)測(ce)(ce)(ce)(ce)(ce)，以(yi)(yi)監(jian)(jian)(jian)(jian)(jian)控(kong)每個LＲM的(de)工作(zuo)(zuo)狀態。當出(chu)現監(jian)(jian)(jian)(jian)(jian)測(ce)(ce)(ce)(ce)(ce)結果超出(chu)設定閾值范圍時，判(pan)斷LＲM模(mo)塊(kuai)(kuai)(kuai)是(shi)(shi)否出(chu)現用電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)故障，采取關閉或重啟等措施進(jin)(jin)行(xing)(xing)保(bao)護(hu)。電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)模(mo)塊(kuai)(kuai)(kuai)溫(wen)(wen)度監(jian)(jian)(jian)(jian)(jian)測(ce)(ce)(ce)(ce)(ce)功(gong)能是(shi)(shi)對(dui)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)模(mo)塊(kuai)(kuai)(kuai)內部(bu)(bu)(bu)工作(zuo)(zuo)溫(wen)(wen)度進(jin)(jin)行(xing)(xing)監(jian)(jian)(jian)(jian)(jian)控(kong)，電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)模(mo)塊(kuai)(kuai)(kuai)內部(bu)(bu)(bu)設計(ji)有溫(wen)(wen)度傳感器，智(zhi)能管(guan)(guan)理(li)組件周期(qi)性地采集模(mo)塊(kuai)(kuai)(kuai)內部(bu)(bu)(bu)溫(wen)(wen)度，使用溫(wen)(wen)度來對(dui)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)模(mo)塊(kuai)(kuai)(kuai)工作(zuo)(zuo)異常情(qing)況進(jin)(jin)行(xing)(xing)預判(pan)，結合電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)模(mo)塊(kuai)(kuai)(kuai)BIT檢測(ce)(ce)(ce)(ce)(ce)，輸(shu)入電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)、輸(shu)出(chu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)工作(zuo)(zuo)情(qing)況等進(jin)(jin)行(xing)(xing)綜(zong)合判(pan)斷，以(yi)(yi)決定電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)(yuan)模(mo)塊(kuai)(kuai)(kuai)是(shi)(shi)否工作(zuo)(zuo)正常。

2．2電(dian)源管(guan)理(li)系統

綜合(he)模(mo)(mo)塊(kuai)(kuai)(kuai)(kuai)化航電(dian)處理(li)平(ping)臺中(zhong)有2塊(kuai)(kuai)(kuai)(kuai)PSM，PSM采(cai)用1+1并聯(lian)余度工作(zuo)(zuo)方式給每個LＲM獨立供(gong)電(dian)。PSM采(cai)用智能電(dian)源(yuan)(yuan)(yuan)(yuan)設(she)計，接(jie)收(shou)系(xi)(xi)統(tong)控(kong)(kong)制(zhi)(zhi)(zhi)(zhi)器控(kong)(kong)制(zhi)(zhi)(zhi)(zhi)命令完成(cheng)電(dian)源(yuan)(yuan)(yuan)(yuan)管(guan)理(li)功能，電(dian)源(yuan)(yuan)(yuan)(yuan)管(guan)理(li)系(xi)(xi)統(tong)設(she)計如圖(tu)3所示，工作(zuo)(zuo)原理(li)如下:1)綜合(he)模(mo)(mo)塊(kuai)(kuai)(kuai)(kuai)化航電(dian)處理(li)平(ping)臺設(she)計有2塊(kuai)(kuai)(kuai)(kuai)系(xi)(xi)統(tong)控(kong)(kong)制(zhi)(zhi)(zhi)(zhi)器模(mo)(mo)塊(kuai)(kuai)(kuai)(kuai)，在同一時刻只能有1塊(kuai)(kuai)(kuai)(kuai)系(xi)(xi)統(tong)控(kong)(kong)制(zhi)(zhi)(zhi)(zhi)器可(ke)以成(cheng)為主控(kong)(kong)制(zhi)(zhi)(zhi)(zhi)器;當(dang)模(mo)(mo)塊(kuai)(kuai)(kuai)(kuai)為主控(kong)(kong)制(zhi)(zhi)(zhi)(zhi)器時，該模(mo)(mo)塊(kuai)(kuai)(kuai)(kuai)控(kong)(kong)制(zhi)(zhi)(zhi)(zhi)接(jie)口的(de)發送功能，可(ke)對(dui)(dui)外發送電(dian)源(yuan)(yuan)(yuan)(yuan)控(kong)(kong)制(zhi)(zhi)(zhi)(zhi)命令;當(dang)模(mo)(mo)塊(kuai)(kuai)(kuai)(kuai)為非(fei)主控(kong)(kong)制(zhi)(zhi)(zhi)(zhi)器時，禁止模(mo)(mo)塊(kuai)(kuai)(kuai)(kuai)控(kong)(kong)制(zhi)(zhi)(zhi)(zhi)接(jie)口的(de)發送功能，僅能接(jie)收(shou)PSM返回(hui)的(de)狀態信息。2)2塊(kuai)(kuai)(kuai)(kuai)PSM模(mo)(mo)塊(kuai)(kuai)(kuai)(kuai)同時接(jie)收(shou)系(xi)(xi)統(tong)控(kong)(kong)制(zhi)(zhi)(zhi)(zhi)器發送的(de)電(dian)源(yuan)(yuan)(yuan)(yuan)管(guan)理(li)命令。3)PSM根據(ju)系(xi)(xi)統(tong)控(kong)(kong)制(zhi)(zhi)(zhi)(zhi)器的(de)指令進(jin)行(xing)應(ying)答或(huo)執(zhi)行(xing)相應(ying)的(de)控(kong)(kong)制(zhi)(zhi)(zhi)(zhi)操(cao)作(zuo)(zuo)。圖(tu)3電(dian)源(yuan)(yuan)(yuan)(yuan)管(guan)理(li)系(xi)(xi)統(tong)互(hu)聯(lian)框圖(tu)PSM模(mo)(mo)塊(kuai)(kuai)(kuai)(kuai)在完成(cheng)硬件(jian)初始化及上電(dian)BIT后(hou)，周(zhou)期性地運行(xing)電(dian)源(yuan)(yuan)(yuan)(yuan)管(guan)理(li)程序，首先對(dui)(dui)電(dian)源(yuan)(yuan)(yuan)(yuan)模(mo)(mo)塊(kuai)(kuai)(kuai)(kuai)工作(zuo)(zuo)信息進(jin)行(xing)采(cai)集，包括輸入(ru)供(gong)電(dian)狀態、各通道輸出狀態、內(nei)部(bu)工作(zuo)(zuo)溫度等，之(zhi)后(hou)查詢(xun)通信接(jie)口接(jie)收(shou)到的(de)電(dian)源(yuan)(yuan)(yuan)(yuan)管(guan)理(li)命令，并執(zhi)行(xing)相應(ying)的(de)操(cao)作(zuo)(zuo)。

2．3電(dian)源工作模式

在初始(shi)上(shang)電(dian)時(shi)，每個PSM模(mo)(mo)(mo)塊上(shang)都固化(hua)有初始(shi)電(dian)源(yuan)輸出(chu)配(pei)置(zhi)(zhi)(zhi)(zhi)表(biao)(biao)(biao)，PSM完成上(shang)電(dian)BIT后，根據該配(pei)置(zhi)(zhi)(zhi)(zhi)表(biao)(biao)(biao)輸出(chu)相應(ying)28VDC通(tong)道(dao)。運行過(guo)(guo)(guo)程中如(ru)果需(xu)要改(gai)變(bian)系統(tong)的(de)加電(dian)配(pei)置(zhi)(zhi)(zhi)(zhi)，由系統(tong)控(kong)(kong)制(zhi)(zhi)器(qi)通(tong)過(guo)(guo)(guo)控(kong)(kong)制(zhi)(zhi)總線(xian)接口向PSM發(fa)送命令消息，PSM根據命令關(guan)(guan)閉/打開(kai)(kai)相應(ying)28VDC輸出(chu)。考慮到電(dian)源(yuan)模(mo)(mo)(mo)塊需(xu)支持多(duo)種系統(tong)工作(zuo)(zuo)(zuo)(zuo)模(mo)(mo)(mo)式(shi)(shi)(shi)，可設(she)置(zhi)(zhi)(zhi)(zhi)多(duo)種開(kai)(kai)關(guan)(guan)配(pei)置(zhi)(zhi)(zhi)(zhi)表(biao)(biao)(biao)，如(ru)初始(shi)化(hua)模(mo)(mo)(mo)式(shi)(shi)(shi)配(pei)置(zhi)(zhi)(zhi)(zhi)表(biao)(biao)(biao)、正常工作(zuo)(zuo)(zuo)(zuo)模(mo)(mo)(mo)式(shi)(shi)(shi)配(pei)置(zhi)(zhi)(zhi)(zhi)表(biao)(biao)(biao)、應(ying)急工作(zuo)(zuo)(zuo)(zuo)模(mo)(mo)(mo)式(shi)(shi)(shi)配(pei)置(zhi)(zhi)(zhi)(zhi)表(biao)(biao)(biao)等(deng)。當系統(tong)工作(zuo)(zuo)(zuo)(zuo)模(mo)(mo)(mo)式(shi)(shi)(shi)發(fa)生(sheng)(sheng)變(bian)化(hua)時(shi)，不(bu)需(xu)要對(dui)每個模(mo)(mo)(mo)塊進(jin)行單獨(du)控(kong)(kong)制(zhi)(zhi)，只需(xu)要按照(zhao)對(dui)應(ying)工作(zuo)(zuo)(zuo)(zuo)模(mo)(mo)(mo)式(shi)(shi)(shi)切換到需(xu)要的(de)開(kai)(kai)關(guan)(guan)配(pei)置(zhi)(zhi)(zhi)(zhi)表(biao)(biao)(biao)。這樣的(de)設(she)計不(bu)僅易(yi)于管理，同時(shi)易(yi)于維(wei)(wei)護，并(bing)且可以直觀的(de)進(jin)行配(pei)置(zhi)(zhi)(zhi)(zhi)狀(zhuang)(zhuang)態的(de)檢(jian)查和校(xiao)驗，避(bi)免錯誤發(fa)生(sheng)(sheng)［4］。開(kai)(kai)關(guan)(guan)配(pei)置(zhi)(zhi)(zhi)(zhi)表(biao)(biao)(biao)可在地(di)面維(wei)(wei)護狀(zhuang)(zhuang)態時(shi)，通(tong)過(guo)(guo)(guo)維(wei)(wei)護工具生(sheng)(sheng)成并(bing)固化(hua)到電(dian)源(yuan)模(mo)(mo)(mo)塊中。產品(pin)在運行過(guo)(guo)(guo)程中不(bu)可避(bi)免的(de)會出(chu)現(xian)(xian)一些(xie)異常情況(kuang)，這些(xie)異常情況(kuang)可能不(bu)會被包含在預先定義的(de)工作(zuo)(zuo)(zuo)(zuo)模(mo)(mo)(mo)式(shi)(shi)(shi)中，這時(shi)需(xu)要定義一些(xie)故障控(kong)(kong)制(zhi)(zhi)策(ce)略(lve)，當檢(jian)測(ce)(ce)到故障發(fa)生(sheng)(sheng)后，進(jin)入(ru)相應(ying)的(de)故障處(chu)理程序進(jin)行處(chu)理。例如(ru)當發(fa)生(sheng)(sheng)電(dian)源(yuan)模(mo)(mo)(mo)塊超溫故障，此時(shi)應(ying)將超溫信息上(shang)報系統(tong)控(kong)(kong)制(zhi)(zhi)器(qi)，由系統(tong)控(kong)(kong)制(zhi)(zhi)器(qi)根據當前工作(zuo)(zuo)(zuo)(zuo)模(mo)(mo)(mo)式(shi)(shi)(shi)、執(zhi)行任務狀(zhuang)(zhuang)態及重要程度等(deng)決定是否進(jin)行關(guan)(guan)閉操(cao)作(zuo)(zuo)(zuo)(zuo)或維(wei)(wei)持現(xian)(xian)狀(zhuang)(zhuang)等(deng)操(cao)作(zuo)(zuo)(zuo)(zuo);當檢(jian)測(ce)(ce)到某模(mo)(mo)(mo)塊供(gong)電(dian)出(chu)現(xian)(xian)過(guo)(guo)(guo)流現(xian)(xian)象時(shi)，電(dian)源(yuan)模(mo)(mo)(mo)塊應(ying)主動關(guan)(guan)閉該路供(gong)電(dian)開(kai)(kai)關(guan)(guan)，并(bing)將故障信息及處(chu)理措施(shi)上(shang)報系統(tong)控(kong)(kong)制(zhi)(zhi)器(qi)。

3結束語

本文通過(guo)(guo)某綜合模塊化航電(dian)(dian)處(chu)理平(ping)臺(tai)供(gong)(gong)電(dian)(dian)方(fang)案(an)(an)設計(ji)，介紹了一種機載(zai)電(dian)(dian)子設備雙余(yu)(yu)(yu)(yu)度(du)(du)智(zhi)能(neng)供(gong)(gong)電(dian)(dian)方(fang)案(an)(an)。整個系統(tong)的(de)供(gong)(gong)電(dian)(dian)從余(yu)(yu)(yu)(yu)度(du)(du)供(gong)(gong)電(dian)(dian)輸入、余(yu)(yu)(yu)(yu)度(du)(du)供(gong)(gong)電(dian)(dian)轉換(huan)、余(yu)(yu)(yu)(yu)度(du)(du)供(gong)(gong)電(dian)(dian)輸出及(ji)余(yu)(yu)(yu)(yu)度(du)(du)用(yong)電(dian)(dian)接口等幾個方(fang)面進行了余(yu)(yu)(yu)(yu)度(du)(du)設計(ji)，電(dian)(dian)源智(zhi)能(neng)管理通過(guo)(guo)指(zhi)定工作模式下的(de)配置表切換(huan)及(ji)異常故障模式下的(de)故障處(chu)理來進行系統(tong)重構、故障監控、故障隔離，目前(qian)已在機上進行了充分驗證，能(neng)夠大幅(fu)度(du)(du)提高整個系統(tong)用(yong)電(dian)(dian)的(de)可靠性、安全性及(ji)可用(yong)性，可為機載(zai)電(dian)(dian)子產(chan)品供(gong)(gong)電(dian)(dian)方(fang)案(an)(an)選取和設計(ji)提供(gong)(gong)較大的(de)工程實用(yong)價值(zhi)。

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作(zuo)者：何立(li)軍 馬小博(bo) 張利洲 單(dan)位：航空(kong)工業西安航空(kong)計算技術研究所