基于功率模拟的联合仿真技术研究

doi:10.11985/2021.02.020

摘要/Abstract

摘要：

在研究联合仿真耦合系统时,需要兼顾系统的准确性和快速性。线性隐性稳定方法在保证系统稳定的前提下对仿真运算时间具有一定的加速作用。该方法通过联合仿真的并行化来提高仿真速度的同时,兼顾了仿真效率和仿真精度。基于联合仿真的FMI标准下的工程实例证明了该方法使系统具有良好的稳定性和准确性,且相比于参考仿真系统具有较高的仿真效率。对于多领域的大系统建模方案,提出一种基于FMI通用接口标准的仿真方法可以实现FMI标准与Dymola平台结合的建模仿真验证。

关键词: 联合仿真, 并联系统, 稳定性, FMI

Abstract:

It is necessary to take into account the speed of the system when researching the co-simulation coupling system. The linear recessive stabilization method can accelerate the simulation operation time under the premise of ensuring the stability of the system. The simulation efficiency and simulation accuracy can also be taken into account when researching the co-simulation coupling system. The engineering example under the FMI standard based on joint simulation also proves that this method makes the system have good stability and accuracy, and compared with the reference simulation, the system has higher simulation efficiency. For large-scale system modeling solutions in multiple fields, a simulation method based on the FMI universal interface standard is proposed. The modeling simulation verification of the FMI standard combined with the Dymola platform can be achieved using the method.

Key words: Co-simulation, parallel system, stability, FMI

中图分类号:

TP391

艾凤明, 冯首鸿, 梁兴壮, 李伟林, 林秦州. 基于功率模拟的联合仿真技术研究[J]. 电气工程学报, 2021, 16(2): 159-165.

AI Fengming, FENG Shouhong, LIANG Xingzhuang, LI Weilin, LIN Qinzhou. Research on Joint Simulation Technology Based on Power Simulation[J]. Journal of Electrical Engineering, 2021, 16(2): 159-165.

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测试方案	宏步长H_s/μs	方均根误差	CPU时间/s
#1. 具有变步长求解器,在AMESim中实现的连续耦合系统	1	参考	1.0
#2. 显性联合仿真,使用AMESim接口	1	104	70.0
#3. 稳定联合仿真,使用AMESim接口	50	207	8.5
#4. FMI2.0显性联合仿真,混合使用C/Python标准	1	123	40.0
#5. FMI2.0稳定联合仿真,混合使用C/Python标准	50	237	36.0
#6. FMI2.0显性联合仿真,直接使用C标准	1	123	12.0
#7. FMI2.0稳定联合仿真,向后欧拉计算方式,直接使用C标准	50	215	1.5
#8. FMI2.0稳定联合仿真,梯形计算方式,直接使用C标准	50	152	1.5