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Synthesizing SystemC Code from Delay Hybrid CSP

机译:从延迟混合CSP合成SystemC代码

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Delay is omnipresent in modern control systems, which can prompt oscillations and may cause deterioration of control performance, invalidate both stability and safety properties. This implies that safety or stability certificates obtained on idealized, delay-free models of systems prone to delayed coupling may be erratic, and further the incorrectness of the executable code generated from these models. However, automated methods for system verification and code generation that ought to address models of system dynamics reflecting delays have not been paid enough attention yet in the computer science community. In our previous work, on one hand, we investigated the verification of delay dynamical and hybrid systems; on the other hand, we also addressed how to synthesize SystemC code from a verified hybrid system modelled by Hybrid CSP (HCSP) without delay. In this paper, we give a first attempt to synthesize SystemC code from a verified delay hybrid system modelled by Delay HCSP (rfHCSP), which is an extension of HCSP by replacing ordinary differential equations (ODEs) with delay differential equations (DDEs). We implement a tool to support the automatic translation from rfHCSP to SystemC.
机译:延迟在现代控制系统中无处不在,它可能会引起振荡,并可能导致控制性能下降,从而使稳定性和安全性均无效。这意味着在易于延迟耦合的系统的理想化,无延迟模型上获得的安全性或稳定性证书可能不稳定,而且从这些模型生成的可执行代码不正确。但是,在计算机科学界尚未引起足够重视的系统验证和代码生成自动化方法应该解决反映延迟的系统动力学模型。在我们以前的工作中,一方面,我们研究了时滞动力系统和混合系统的验证。另一方面,我们还解决了如何从混合CSP(HCSP)建模的经过验证的混合系统中合成SystemC代码而不会产生延迟。在本文中,我们首次尝试从以延迟HCSP(rfHCSP)建模的经过验证的延迟混合系统中合成SystemC代码,该系统是HCSP的扩展,通过用延迟微分方程(DDE)代替常微分方程(ODE)。我们实现了一个工具来支持从rfHCSP到SystemC的自动转换。

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