基于改进连续型Hopfield神经网络的CAN总线负载率优化

doi:10.19562/j.chinasae.qcgc.2023.12.016

Abstract

Abstract:

The Busload rate of CAN bus is of vital importance to the security and delay bounds of Vehicle-Bus. Whereas， the traditional continuous Hopfield neural network （Continuous Hopfield Neural Network， CHNN） has the defects of poor penalty parameter robustness and the resulting solution that easy to be trapped in local optimality when solving such problems， based on the Metropolis thought in the simulated annealing algorithm， an improved continuous Hopfield neural network algorithm （SA-CHNN） applied to the CAN bus load rate optimization problem is proposed in this paper. Micro-electric vehicle’s ninety-nine communication signals are selected and tested as experimental data. The results show that the SA-CHNN algorithm successfully solves the problems of the traditional CHNN algorithm in solving the CAN bus load rate optimization， which has obvious advantages. Finally， based on the Simulink-Speedgoat CAN bus experimental platform， the real-time load rate simulation with the optimal signal distribution messages is conducted and the result reveals the accuracy of the SA-CHNN algorithm.

Key words: CAN bus, load rate, neural network, simulate annealing algorithm, Metropolis guidelines

Zhicheng He,Leihao Du,Enlin Zhou,Gaofeng Qin,Jin Huang. CAN Bus Load Rate Optimization Based on Improved Continuous Hopfield Neural Network[J].Automotive Engineering, 2023, 45(12): 2338-2347.

Figures/Tables 15

References 16

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信号	报文1	报文2	报文3
信号1	1	0	0
信号2	0	1	0
信号3	1	0	0
信号4	0	0	1
信号5	0	0	1
信号6	0	0	1

信号标识	长度/bit	周期/ms	信号标识	长度/bit	周期/ms	信号标识	长度/bit	周期/ms	信号标识	长度/bit	周期/ms
S1	8	10	S26	1	200	S51	8	10	S76	1	200
S2	8	10	S27	2	200	S52	8	10	S77	2	200
S3	1	200	S28	1	400	S53	1	200	S78	1	400
S4	1	10	S29	2	400	S54	1	10	S79	2	400
S5	2	100	S30	1	300	S55	2	100	S80	1	300
S6	1	100	S31	16	100	S56	1	100	S81	16	100
S7	1	100	S32	8	200	S57	1	100	S82	8	200
S8	1	100	S33	2	300	S58	1	100	S83	2	300
S9	8	100	S34	2	100	S59	8	100	S84	2	100
S10	1	10	S35	10	300	S60	1	10	S85	10	300
S11	1	10	S36	1	100	S61	1	10	S86	1	100
S12	2	10	S37	1	100	S62	2	10	S87	1	100
S13	2	10	S38	1	100	S63	2	10	S88	1	100
S14	2	100	S39	10	100	S64	2	100	S89	10	100
S15	16	10	S40	10	400	S65	16	10	S90	10	400
S16	16	10	S41	8	400	S66	16	10	S91	8	400
S17	1	100	S42	1	100	S67	1	100	S92	1	100
S18	1	100	S43	1	400	S68	1	100	S93	1	400
S19	8	200	S44	1	100	S69	8	200	S94	1	100
S20	8	200	S45	1	100	S70	8	200	S95	1	100
S21	1	100	S46	8	200	S71	1	100	S96	8	200
S22	3	100	S47	8	300	S72	3	100	S97	8	300
S23	1	100	S48	2	300	S73	1	100	S98	2	300
S24	1	100	S49	2	300	S74	1	100	S99	2	300
S25	1	100	S50	4	200	S75	1	100

算法	数据	CAN总线负载率（Busload）										均值	总计
CHNN	A	0.308 4	0.299 4	0.308 4	0.308 4	0.334 4	0.326 4	0.308 4	0.309 4	0.308 4	0.298 4	0.308 1	0.546 7
		0.307 9	0.298 4	0.297 9	0.308 4	0.308 9	0.308 4	0.307 9	0.308 4	0.297 9	0.307 4
		0.025 7	0.025 4	0.025 9	0.025 7	0.025 4	0.025 4	0.025 7	0.025 7	0.025 2	0.025 4
	B	0.229 3	0.239 3	0.239 3	0.239 3	0.239 3	0.229 3	0.239 3	0.239 3	0.239 3	0.247 3	0.238 6
	B	0.239 3	0.239 3	0.239 3	0.239 3	0.247 3	0.229 3	0.239 3	0.239 3	0.239 3	0.239 3	0.238 6
SA-CHNN	A	0.298 4	0.298 4	0.298 4	0.297 9	0.298 4	0.297 9	0.297 9	0.298 4	0.297 9	0.298 4	0.298 2	0.528 0
		0.298 4	0.298 4	0.297 9	0.298 4	0.298 4	0.297 9	0.298 4	0.297 9	0.297 9	0.298 4
		0.025 4	0.025 2	0.025 2	0.025 2	0.025 4	0.024 9	0.025 2	0.024 9	0.025 2	0.025 2
	B	0.229 3	0.229 3	0.229 3	0.229 3	0.229 3	0.229 3	0.229 3	0.229 3	0.229 3	0.229 3	0.229 8
	B	0.229 3	0.229 3	0.229 3	0.229 3	0.229 3	0.229 3	0.229 3	0.229 3	0.239 3	0.229 3	0.229 8

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CAN Bus Load Rate Optimization Based on Improved Continuous Hopfield Neural Network

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References 16

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信号标识	长度/bit	周期/ms	信号标识	长度/bit	周期/ms	信号标识	长度/bit	周期/ms	信号标识	长度/bit	周期/ms
S1	8	10	S26	1	200	S51	8	10	S76	1	200
S2	8	10	S27	2	200	S52	8	10	S77	2	200
S3	1	200	S28	1	400	S53	1	200	S78	1	400
S4	1	10	S29	2	400	S54	1	10	S79	2	400
S5	2	100	S30	1	300	S55	2	100	S80	1	300
S6	1	100	S31	16	100	S56	1	100	S81	16	100
S7	1	100	S32	8	200	S57	1	100	S82	8	200
S8	1	100	S33	2	300	S58	1	100	S83	2	300
S9	8	100	S34	2	100	S59	8	100	S84	2	100
S10	1	10	S35	10	300	S60	1	10	S85	10	300
S11	1	10	S36	1	100	S61	1	10	S86	1	100
S12	2	10	S37	1	100	S62	2	10	S87	1	100
S13	2	10	S38	1	100	S63	2	10	S88	1	100
S14	2	100	S39	10	100	S64	2	100	S89	10	100
S15	16	10	S40	10	400	S65	16	10	S90	10	400
S16	16	10	S41	8	400	S66	16	10	S91	8	400
S17	1	100	S42	1	100	S67	1	100	S92	1	100
S18	1	100	S43	1	400	S68	1	100	S93	1	400
S19	8	200	S44	1	100	S69	8	200	S94	1	100
S20	8	200	S45	1	100	S70	8	200	S95	1	100
S21	1	100	S46	8	200	S71	1	100	S96	8	200
S22	3	100	S47	8	300	S72	3	100	S97	8	300
S23	1	100	S48	2	300	S73	1	100	S98	2	300
S24	1	100	S49	2	300	S74	1	100	S99	2	300
S25	1	100	S50	4	200	S75	1	100

信号标识	长度/bit	周期/ms	信号标识	长度/bit	周期/ms	信号标识	长度/bit	周期/ms	信号标识	长度/bit	周期/ms
S1	8	10	S26	1	200	S51	8	10	S76	1	200
S2	8	10	S27	2	200	S52	8	10	S77	2	200
S3	1	200	S28	1	400	S53	1	200	S78	1	400
S4	1	10	S29	2	400	S54	1	10	S79	2	400
S5	2	100	S30	1	300	S55	2	100	S80	1	300
S6	1	100	S31	16	100	S56	1	100	S81	16	100
S7	1	100	S32	8	200	S57	1	100	S82	8	200
S8	1	100	S33	2	300	S58	1	100	S83	2	300
S9	8	100	S34	2	100	S59	8	100	S84	2	100
S10	1	10	S35	10	300	S60	1	10	S85	10	300
S11	1	10	S36	1	100	S61	1	10	S86	1	100
S12	2	10	S37	1	100	S62	2	10	S87	1	100
S13	2	10	S38	1	100	S63	2	10	S88	1	100
S14	2	100	S39	10	100	S64	2	100	S89	10	100
S15	16	10	S40	10	400	S65	16	10	S90	10	400
S16	16	10	S41	8	400	S66	16	10	S91	8	400
S17	1	100	S42	1	100	S67	1	100	S92	1	100
S18	1	100	S43	1	400	S68	1	100	S93	1	400
S19	8	200	S44	1	100	S69	8	200	S94	1	100
S20	8	200	S45	1	100	S70	8	200	S95	1	100
S21	1	100	S46	8	200	S71	1	100	S96	8	200
S22	3	100	S47	8	300	S72	3	100	S97	8	300
S23	1	100	S48	2	300	S73	1	100	S98	2	300
S24	1	100	S49	2	300	S74	1	100	S99	2	300
S25	1	100	S50	4	200	S75	1	100

信号标识	长度/bit	周期/ms	信号标识	长度/bit	周期/ms	信号标识	长度/bit	周期/ms	信号标识	长度/bit	周期/ms
S1	8	10	S26	1	200	S51	8	10	S76	1	200
S2	8	10	S27	2	200	S52	8	10	S77	2	200
S3	1	200	S28	1	400	S53	1	200	S78	1	400
S4	1	10	S29	2	400	S54	1	10	S79	2	400
S5	2	100	S30	1	300	S55	2	100	S80	1	300
S6	1	100	S31	16	100	S56	1	100	S81	16	100
S7	1	100	S32	8	200	S57	1	100	S82	8	200
S8	1	100	S33	2	300	S58	1	100	S83	2	300
S9	8	100	S34	2	100	S59	8	100	S84	2	100
S10	1	10	S35	10	300	S60	1	10	S85	10	300
S11	1	10	S36	1	100	S61	1	10	S86	1	100
S12	2	10	S37	1	100	S62	2	10	S87	1	100
S13	2	10	S38	1	100	S63	2	10	S88	1	100
S14	2	100	S39	10	100	S64	2	100	S89	10	100
S15	16	10	S40	10	400	S65	16	10	S90	10	400
S16	16	10	S41	8	400	S66	16	10	S91	8	400
S17	1	100	S42	1	100	S67	1	100	S92	1	100
S18	1	100	S43	1	400	S68	1	100	S93	1	400
S19	8	200	S44	1	100	S69	8	200	S94	1	100
S20	8	200	S45	1	100	S70	8	200	S95	1	100
S21	1	100	S46	8	200	S71	1	100	S96	8	200
S22	3	100	S47	8	300	S72	3	100	S97	8	300
S23	1	100	S48	2	300	S73	1	100	S98	2	300
S24	1	100	S49	2	300	S74	1	100	S99	2	300
S25	1	100	S50	4	200	S75	1	100