电控单元电磁脉冲冗余优化分配策略

doi:10.16180/j.cnki.issn1007-7820.2022.08.005

Abstract

Abstract:

In order to solve the redundancy allocation problem in the control unit, a quantum chaotic adaptive particle swarm optimization algorithm and a hybrid strategy of thermal backup are proposed. According to the common cause failure under the electromagnetic pulse, electronically controlled unit is simplified into a series and parallel system, and β factor is introduced to build a Markov model with the highest reliability as the objective function and the redundancy number as the constraint condition. The quantum chaos adaptive particle swarm optimization algorithm is used to optimize the maximum reliability of electronically controlled unit under electromagnetic pulse. The simulation results show that the hybrid strategy and optimization algorithm improve the calculation efficiency and the accuracy of redundancy allocation, which provides a reference basis for the redundancy reinforcement of electronically controlled unit under electromagnetic pulse.

Key words: EMP, ECU, redundancy allocation, optimization algorithm, reliability, electromagnetic bionics, hot and warm backup strategy, Markov model

CLC Number:

TP302

JI Zhenjie,WEI Minxiang,ZHA Yueheng,ZHOU Dong,CAO Jie. Optimization Allocation Strategy of ECU Redundancy under EMP[J].Electronic Science and Technology, 2022, 35(8): 27-33.

Figures/Tables 8

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Table 3.

References 18

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模块名称	λ_i	λ_im
AD模块	0.007	0.000 1
MCU模块	0.004	0.000 1
通讯模块	0.001	0.000 1

算法	冗余分配数	整型	最佳可靠度
热备份上限	(1.73,2.50,0.50)	(2,3,1)	0.729
热备份下限	(1.68,2.50,0.53)	(2,3,1)	0.680
热温备份上限	(0.14,2.93,0.00, 0.66,1.54,1.75)	(0,3,0,1,2,2)	0.897
热温备份下限	(0.00,2.94,0.00, 0.93,1.57,1.72)	(0,3,0,1,2,2)	0.888

算法	冗余分配数	整型	最优解迭代数	最佳可靠度
PSO上限	(0.14,2.93,0.00, 0.66,1.54,1.75)	(0,3,0,1,2,2)	60	0.897
PSO下限	(0.00,2.94,0.00, 0.93,1.57,1.72)	(0,3,0,1,2,2)	44	0.888
优化算法上限	(0.11,2.81,0.01, 1.60,1.13,0.18)	(0,3,0,2,1,0)	3	0.899
优化算法下限	(0.00,2.55,0.33, 1.66,1.12,0.12)	(0,3,0,2,1,0)	3	0.891

Optimization Allocation Strategy of ECU Redundancy under EMP

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