从协议测试的角度出发研究了基于时间自动机模型的无线传感器网络数据收集协议测试用例生成方法,提出利用UPPAAL工具对数据收集协议建立时间自动机模型,进而利用UPPAAL Co Ver工具生成满足特定覆盖标准的测试路径集合的方法。为了便于...从协议测试的角度出发研究了基于时间自动机模型的无线传感器网络数据收集协议测试用例生成方法,提出利用UPPAAL工具对数据收集协议建立时间自动机模型,进而利用UPPAAL Co Ver工具生成满足特定覆盖标准的测试路径集合的方法。为了便于生成实际测试用例,开发了辅助自动测试用例生成工具ATCGT。通过一个工业界的无线抄表数据收集协议的建模与测试用例生成实例,阐明了该方法的有效性。展开更多
针对工业界实现的无线抄表路由协议WM2RP(Wireless Meter Reading Routing Protocol),提出将CBMC有界模型检测工具运用到该协议实现的验证方法。WM2RP协议实现是嵌入式C程序,CBMC工具主要针对嵌入式软件的验证,运用CBMC对WM2RP进行验证...针对工业界实现的无线抄表路由协议WM2RP(Wireless Meter Reading Routing Protocol),提出将CBMC有界模型检测工具运用到该协议实现的验证方法。WM2RP协议实现是嵌入式C程序,CBMC工具主要针对嵌入式软件的验证,运用CBMC对WM2RP进行验证十分适用。CBMC能够直接对C/C++源码进行验证,这样不仅省去了传统模型检测技术需要对代码抽象建模的工作,而且不用担心模型和代码之间可能存在的不一致性问题。首先利用CBMC系统自生成断言验证技术,找到WM2RP协议实现中可能存在的漏洞,并对实现协议的公司给予反馈。然后进一步借助CBMC提供的用户自定义断言技术,通过自定义断言的插入以及对实现代码的适当处理,验证了WM2RP协议的网络层接收函数实现与协议规范的相符性。展开更多
Accurate measurement of flow parameters is important in gas-solid two-phase flow,and such flow has to be dealt with in many processes involving bulk solids handling and transportation.The circular electrostatic sensor...Accurate measurement of flow parameters is important in gas-solid two-phase flow,and such flow has to be dealt with in many processes involving bulk solids handling and transportation.The circular electrostatic sensor is one of those used for gas-solid flow measurement.In this paper,the finite element method(FEM)is used to establish the mathematical model of the sensor,the spatial sensitivity characteristics of the sensors is analyzed,and the analytic model is improved by the nonlinear least square method and the iterative method.Finally,the correlation coefficients between the experimental results and the improved processing are compared and analyzed,and the mathematical expression of the model is improved.The feasibility and practicability of the improved model are verified.展开更多
文摘从协议测试的角度出发研究了基于时间自动机模型的无线传感器网络数据收集协议测试用例生成方法,提出利用UPPAAL工具对数据收集协议建立时间自动机模型,进而利用UPPAAL Co Ver工具生成满足特定覆盖标准的测试路径集合的方法。为了便于生成实际测试用例,开发了辅助自动测试用例生成工具ATCGT。通过一个工业界的无线抄表数据收集协议的建模与测试用例生成实例,阐明了该方法的有效性。
文摘针对工业界实现的无线抄表路由协议WM2RP(Wireless Meter Reading Routing Protocol),提出将CBMC有界模型检测工具运用到该协议实现的验证方法。WM2RP协议实现是嵌入式C程序,CBMC工具主要针对嵌入式软件的验证,运用CBMC对WM2RP进行验证十分适用。CBMC能够直接对C/C++源码进行验证,这样不仅省去了传统模型检测技术需要对代码抽象建模的工作,而且不用担心模型和代码之间可能存在的不一致性问题。首先利用CBMC系统自生成断言验证技术,找到WM2RP协议实现中可能存在的漏洞,并对实现协议的公司给予反馈。然后进一步借助CBMC提供的用户自定义断言技术,通过自定义断言的插入以及对实现代码的适当处理,验证了WM2RP协议的网络层接收函数实现与协议规范的相符性。
基金Science and Technology on Electronic Test and Measurement Laboratory(No.9140C12040515X)
文摘Accurate measurement of flow parameters is important in gas-solid two-phase flow,and such flow has to be dealt with in many processes involving bulk solids handling and transportation.The circular electrostatic sensor is one of those used for gas-solid flow measurement.In this paper,the finite element method(FEM)is used to establish the mathematical model of the sensor,the spatial sensitivity characteristics of the sensors is analyzed,and the analytic model is improved by the nonlinear least square method and the iterative method.Finally,the correlation coefficients between the experimental results and the improved processing are compared and analyzed,and the mathematical expression of the model is improved.The feasibility and practicability of the improved model are verified.
