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?????2642 ???ڣ?2020-02-10 ѡ???ֺţ?С ?? ??

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??????????Ҫ?????ŷ????????Ŀ???ģʽΪλ??ģʽ??????????+???????????ʽ???п??ƣ????????PLC???˶?????ָ???ʵ???????Ķ?λ???ܡ????????Ǽ?????????PLC??λָ????·?Ϊ???֣?ԭ??ع?ָ??DSZR??ZRN????λָ??PLSY??PLSR??DRVI??DRVA,?ɱ???????PLSV??????PLSY??PLSR?????????ָ????Ķ?λ????????Խ????Ļ???????????Ķ?λָ?????Ķ?λָ????????Ļ????Ϸ?չ?????ġ?????һ?????DRVI??DRVAָ??ʵ?ֶ?λ??DRVI????Զ?λָ?DRVA?Ǿ?????λָ?˵????Ժ;???λ?ã??????б?Ҫ????????ϸ???????????¡?

???????ⶨλ?ֲ?Ľ??ͣ????λ?ò???????ʽ(?Ե?ַ??λ??ָ??),?Ե?ǰֹͣ??λ????Ϊ??㣬 ָ???ƶ???????ƶ???(??Ե?ַ)???ж?λ?????λ?ò??þ???ʽ(???Ե?ַ??λ??ָ??)??ԭ??Ϊ??׼ָ??λ??(???Ե?ַ)???ж?λ??????????ﶼû?й?ϵ??


????Ľ??ͺ??ƣ?????ʲô?????λ?ã?ʲô?Ǿ???λ?ã????????????ͼ???н??ܣ?
???λ??ֻ??1?????Ծ??Ǿ??룬??????Ŀ?ĵؾ???????????P3(???)?㣬??ȥP1(Ŀ??)?㣬?жϷ???Ϊ+(??)?????????54km??


????λ?ô??????????ԣ??????λ?ã???????????޹صģ?ͬ??????P3(???)?㣬??ȥP1(Ŀ??)??ֻ??Ҫ????Ŀ?ĵص?λ??+23km???ɡ?


????????ǵ??????е?????????ѧ?еı?????ʸ???????б?????һ??ֵ??ʸ???Ǵ??з???ġ??˽?????Щ????????ѧϰDRVI??DRVAָ??ͺܼ??ˡ?


????ָ??DRVI S1 S2 D1 D2??S1ָ???????????Ҳ???????λ?ã?S2?????????Ƶ??ָ?ĵĵ????ת?ٶȣ?D1??????????˿?(????ʹ?ø??ٿ?)??D2?????巽????S1???????????Զ?ʶ????ָ??????˵??Ҫ??D2???п??ƣ?ָ???????????????S1??????

????ָ??DRVAS1 S2 D1 D2??S1ָ???????????Ҳ???Ǿ???λ?ã?S2?????????Ƶ??ָ?ĵĵ????ת?ٶȣ?D1??????????˿?(????ʹ?ø??ٿ?)??D2?????巽???ɵ?ǰλ?ú????????(????λ??)?Ĵ?С????ͬ??????ָ??????????????????ɵ?ǰλ?ú????????(????λ??)?IJ?ֵ???㡣

???????????ִ????P3??P1???ƶ?????????Զ?λָ?DRVI 54 1 Y0 Y4?????þ??Զ?λָ?DRVA 23 1 Y0 Y4?????????Ǽ???һ??????1km???ٶ???1km/p????ô???ݵ?ǰλ??(-31)??Ŀ?ĵ?(+23),????֪??PLCӦ?????ŷ?????????????54?????壬???巽????+?ġ?

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