简介:摘要:在CTCS-3级列控系统中,计算机联锁系统将信号设备状态信息以及进路信息送给RBC,RBC根据获取的信息计算行车许可,并通过GSM-R送给其控制范围内的车载设备,车载设备实时生成目标-距离模式曲线监控列车安全运行,可见计算机联锁与RBC接口的安全性对行车安全至关重要。本文出于增强产品安全信心,彰显公司产品实力的目的,通过研究公司联锁信号规则与RBC-CBI接口规范对标、以及研究列车运行场景用于安全性验证测试,阐述一种针对于联锁与RBC接口的额外的安全性验证方法。
简介:ThermodynamicmodelsofcalculatingmassactionconcentrationsforstructuralunitsorioncouplesinRbCl-H2ObinaryandRbCl-RbNO3-H2Oternarystrongelectrolyteaqueoussolutionsweredevelopedbasedontheionandmoleculecoexistencetheoryat298.15K.Atransformationcoefficientisneededtocomparethecalculatedmassactionconcentrationandthereportedactivitybecausetheyareobtainedatdifferentstandardstatesandconcentrationunits.TheresultsshowthatthetransformationcoefficientsbetweenthecalculatedmassactionconcentrationsandthereportedactivitiesofthesamestructuralunitsorioncouplesinRbCl-H2ObinaryandRbCl-RbNO3-H2Oternarystrongelectrolyteaqueoussolutionschangeinaverynarrowrange.ThetransformedmassactionconcentrationsofstructuralunitsorioncouplesinRbCl-H2Obinarysystemareingoodagreementwiththereportedactivities.ThetransformedmassactionconcentrationsofRbClandRbNO3inRbCl-RbNO3-H2Oternarysolutionarealsoingoodagreementwiththereportedactivities,aRbCland3RbNOa,withdifferenttotalionicstrengthsas0.01,0.05,0.1,0.5,1.0,1.5,2.0,3.0and3.5mol/kg,respectively.AllthoseresultsmeanthedevelopedthermodynamicmodelofstrongelectrolyteaqueoussolutionscanreflectstructuralcharacteristicsofRbCl-H2ObinaryandRbCl-RbNO3-H2Oternarystrongelectrolyteaqueoussolutionsandthemassactionconcentrationalsostrictlyfollowsthemassactionlaw.