Weak applied generic technological capability is the root cause for the hollowing-out of core technologies of industries in China,and the fundamental cause for the poor independent innovation and absorptive capabiliti...Weak applied generic technological capability is the root cause for the hollowing-out of core technologies of industries in China,and the fundamental cause for the poor independent innovation and absorptive capabilities of the enterprise.This paper systematically analyzes the important role of university-industry collaboration in improving the corporate generic technologies based on the structureconduct-performance(SCP)framework from the perspective of capability structure.Through theoretical derivation and analysis of the case of Kingfa,it proposes that the technological capability structure of enterprises has experienced an evolutionary process from"proprietary technology"to"proprietary technology and applied generic technology"and finally to"applied generic technology and basic generic technology"and that university-industry collaboration model correspondingly presents a change process from"auxiliary"to"complementary and auxiliary"and to"complementary",which positively affects the innovation output and the performance in the innovation process,showing a spiral escalation trajectory as a whole.Finally,it puts forward three policy optimization directions to help improve the enterprise generic technological capabilities:(1)further enhancing the corporate innovation capacity building and recognition of the position of entities,and establishing a multi-level university-industry collaboration system;(2)actively exploring new systems and mechanisms for the construction of highend cutting-edge R&D institutions jointly participated by enterprises and universities;(3)promoting the comprehensive reform of the science and technology management system from aspects of market,finance and entrepreneurial environment.展开更多
Formulating accurate dynamic load models is critical for power system analysis,control,and planning.In this paper,a generic dynamic load model is proposed.The dynamic power response of the load is directly approximate...Formulating accurate dynamic load models is critical for power system analysis,control,and planning.In this paper,a generic dynamic load model is proposed.The dynamic power response of the load is directly approximated as the superposition of various mathematical functions that produce a dynamic response.Basic physical principles of the dynamic process are reflected in the mathematical functions utilized in the proposed model.First,different stages of the dynamic process are detected based on the continuity of derivatives of the measurement.Second,a complete set of mathematical functions that produce the dynamic responses in electric devices are formulated.Third,a parsimonious set of mathematical functions is selected at each stage by performing feature selection using nonlinear principal component analysis.The proposed model is further formulated based on the parsimonious set of mathematical functions at each stage.Finally,the parameters of the proposed model corresponding to different system events are solved.Based on the formulated model,its possible application in event detection is further analyzed.The proposed model is easy to implement given limited data measurement.Various tests on different system event data are performed to validate the effectiveness of the proposed model.The results show that the proposed model has excellent accuracy and robustness for different system events.展开更多
现有的自动化漏洞挖掘工具大多泛化能力较差,具有高误报率与漏报率。文章提出一种针对C类语言的多分类漏洞静态检测模型CSVDM。CSVDM运用代码相似性比对模块与通用漏洞分析框架模块从源码层面进行漏洞挖掘,代码相似性比对模块运用最长...现有的自动化漏洞挖掘工具大多泛化能力较差,具有高误报率与漏报率。文章提出一种针对C类语言的多分类漏洞静态检测模型CSVDM。CSVDM运用代码相似性比对模块与通用漏洞分析框架模块从源码层面进行漏洞挖掘,代码相似性比对模块运用最长公共子序列(Longest Common Subsequence,LCS)算法与图神经网络对待检测源码与漏洞模板实施代码克隆与同源性检测,根据预设阈值生成漏洞相似度列表。通用漏洞分析框架模块对待检测源码进行上下文依赖的数据流与控制流分析,弥补了代码相似性比对模块在检测不是由代码克隆引起的漏洞时高假阴性的缺陷,生成漏洞分析列表。CSVDM综合漏洞相似度列表与漏洞分析列表,生成最终的漏洞检测报告。实验结果表明,CSVDM相较于Checkmarx等漏洞挖掘工具在评价指标方面有较大幅度提升。展开更多
基金supported by grants from National Natural Science Foundation of China(U1901222,71874057)
文摘Weak applied generic technological capability is the root cause for the hollowing-out of core technologies of industries in China,and the fundamental cause for the poor independent innovation and absorptive capabilities of the enterprise.This paper systematically analyzes the important role of university-industry collaboration in improving the corporate generic technologies based on the structureconduct-performance(SCP)framework from the perspective of capability structure.Through theoretical derivation and analysis of the case of Kingfa,it proposes that the technological capability structure of enterprises has experienced an evolutionary process from"proprietary technology"to"proprietary technology and applied generic technology"and finally to"applied generic technology and basic generic technology"and that university-industry collaboration model correspondingly presents a change process from"auxiliary"to"complementary and auxiliary"and to"complementary",which positively affects the innovation output and the performance in the innovation process,showing a spiral escalation trajectory as a whole.Finally,it puts forward three policy optimization directions to help improve the enterprise generic technological capabilities:(1)further enhancing the corporate innovation capacity building and recognition of the position of entities,and establishing a multi-level university-industry collaboration system;(2)actively exploring new systems and mechanisms for the construction of highend cutting-edge R&D institutions jointly participated by enterprises and universities;(3)promoting the comprehensive reform of the science and technology management system from aspects of market,finance and entrepreneurial environment.
文摘Formulating accurate dynamic load models is critical for power system analysis,control,and planning.In this paper,a generic dynamic load model is proposed.The dynamic power response of the load is directly approximated as the superposition of various mathematical functions that produce a dynamic response.Basic physical principles of the dynamic process are reflected in the mathematical functions utilized in the proposed model.First,different stages of the dynamic process are detected based on the continuity of derivatives of the measurement.Second,a complete set of mathematical functions that produce the dynamic responses in electric devices are formulated.Third,a parsimonious set of mathematical functions is selected at each stage by performing feature selection using nonlinear principal component analysis.The proposed model is further formulated based on the parsimonious set of mathematical functions at each stage.Finally,the parameters of the proposed model corresponding to different system events are solved.Based on the formulated model,its possible application in event detection is further analyzed.The proposed model is easy to implement given limited data measurement.Various tests on different system event data are performed to validate the effectiveness of the proposed model.The results show that the proposed model has excellent accuracy and robustness for different system events.
文摘现有的自动化漏洞挖掘工具大多泛化能力较差,具有高误报率与漏报率。文章提出一种针对C类语言的多分类漏洞静态检测模型CSVDM。CSVDM运用代码相似性比对模块与通用漏洞分析框架模块从源码层面进行漏洞挖掘,代码相似性比对模块运用最长公共子序列(Longest Common Subsequence,LCS)算法与图神经网络对待检测源码与漏洞模板实施代码克隆与同源性检测,根据预设阈值生成漏洞相似度列表。通用漏洞分析框架模块对待检测源码进行上下文依赖的数据流与控制流分析,弥补了代码相似性比对模块在检测不是由代码克隆引起的漏洞时高假阴性的缺陷,生成漏洞分析列表。CSVDM综合漏洞相似度列表与漏洞分析列表,生成最终的漏洞检测报告。实验结果表明,CSVDM相较于Checkmarx等漏洞挖掘工具在评价指标方面有较大幅度提升。
