Journal of Jilin University(Engineering and Technology Edition) ›› 2026, Vol. 56 ›› Issue (1): 170-182.doi: 10.13229/j.cnki.jdxbgxb.20240711

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Dynamic operation and maintenance evaluation and predictive maintenance of mechanical and electrical equipment on highways

Yi ZHANG1(),Sha-wen CHEN1(),Yan CHEN1,Xiang-yu FAN1,Si-qi WANG2,Huan WU2,Peng-fei JIAO3   

  1. 1.Zhejiang High?speed Information Engineering Technology Co. ，Ltd. ，Hangzhou 311199，China
    2.College of Transportation，Jilin University，Changchun 130022，China
    3.Liaoning Datong Highway Engineering Corporation，Shenyang 110000，China
  • Received:2024-06-26 Online:2026-01-01 Published:2026-02-03
  • Contact: Sha-wen CHEN E-mail:zhangyi@zeiet.com;chenshawen@zeiet.com

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Abstract:

Aiming at the problems of high operation and maintenance costs and the lack of scientific basis for strategies during the whole life cycle of freeway electromechanical equipment， an economic operation and maintenance measure selection method based on quality evaluation results is proposed. Firstly， the fuzzy comprehensive evaluation method is used to evaluate the quality status of the equipment in real-time. Secondly， based on this， the total cost of equipment usage is dynamically calculated， and then the most economical maintenance time point to implement different degrees of operation and maintenance measures is selected through cost comparison. Finally， the data from the Cihuling Tunnel in Wenzhou， Zhejiang Province was selected as an example to verify the feasibility and validity of this method.

Key words: transportation planning and management, freeways, fuzzy comprehensive evaluation, stands for life-cycle cost model

CLC Number: 

  • U49

Fig.1

Dynamic economic evaluation process of equipment based on whole life cycle quality assessment"

Table 1

Criteria of indicator scoring"

分类非常健康比较健康中等不太健康非常不健康
等级12345
评分值区间［90，100］［80，90）［60，80）［30，60）［0，30）

Fig.2

Flow chart of analytic hierarchy process"

Table 2

Health status level table for electromechanical equipment"

等级健康等级评价赋值评价描述运维建议
1非常健康［90，100］评价指标得分等级为优秀，设备发生异常的可能性非常小定期巡检，进行正常养护
2比较健康［80，90）评价指标得分等级为良好，设备发生异常的可能性较小进行正常维护并对损坏设备及时小修
3中等［60，80）评价指标得分等级为中等，设备发生异常的概率在正常值范围实施专项工程中修，并于工程未实施前加强日常巡查，必要时采用交通管理措施
4不太健康［30，60）评价指标得分等级为中下，设备发生异常的可能性较大立刻大修，保证设备各系统的功能
5非常不健康［0，30）评价指标得分等级为差，设备发生异常的可能性非常大报废处理

Table 3

Estimated maintenance cost of equipment"

项目质量分数/分
90~10080~9060~8030~600~30

维修

建议

巡检养护小修中修大修报废
维修预估费用0设备原值×（2%~5%）设备原值×（8%~15%）设备原值×（30%~40%）重新购入设备花费

Fig.3

Schematic diagram of model interaction"

Fig.4

UPS equipment indicator system structure diagram"

Table 4

Criteria of indicator scoring"

分类非常健康比较健康中等不太健康非常不健康
等级12345
评分值区间［90，100］［80，90）［60，80）［30，60）［0，30）

Table 5

Evaluation criteria of output voltage"

评级等级输出电压实测值/V评分区间/分
1［217.8，222.2］［90，100］
2［213.4，217.8） or （222.2，226.6］［80，90）
3［209，213.4） or （226.6，231］［60，80）
4［198，209） or （231，242］［30，60）
5<198 or >242［0，30）

Table 6

Evaluation criteria of output current"

评级等级输出电流实测值/A评分区间/分
1［10.89，11.11］［90，100］
2［10.67，10.89）or（11.11，11.33］［80，90）
3［10.45，10.67）or（11.33，11.55］［60，80）
4［9.9，10.45）or（11.55，12.1］［30，60）
5<9.9 or >12.1［0，30）

Table 7

Evaluation criteria of output frequency"

评级等级输出频率实测值/Hz评分区间/分
1［49.8，50.2］［90，100］
2（50.2，50.5］ or ［49.5，49.8）［80，90）
3（50.5，50.8］ or ［49.2，49.5）［60，80）
4（50.8，51］ or ［49，49.2）［30，60）
5>51 or <49［0，30）

Table 8

Evaluation criteria of battery capacity and charging and discharging time"

评级等级蓄电池容量及充放电时间实测值/h评分区间/分
1［2.5，3）［90，100］
2［2，2.5）［80，90）
3［1.5，2）［60，80）
4［1，1.5）［30，60）
5<1.5［0，30）

Table 9

Evaluation criteria of operating temperature"

评级等级运行温度实测值/℃评分区间/分
1≤26［90，100］
2（26，30］［80，90）
3（30，35］［60，80）
4（35，40］［30，60）
5>40［0，30）

Table 10

Evaluation criteria of failure rate"

评级等级故障率实测值评分区间/分
1［0，0.01）［90，100］
2［0.01，0.03）［80，90）
3［0.03，0.05）［60，80）
4［0.05，0.08）［30，60）
5>0.1［0，30）

Table 11

Evaluation criteria of average repair time"

评级等级平均维修时间实测值/d评分区间/分
1［0，2）［90，100］
2［2，5）［80，90）
3［5，10）［60，80）
4［10，20）［30，60）
5>20［0，30）

Table 12

Actual measured values of UPS equipmentindicators during inspection"

指标巡检日期
2022年2月16日2022年7月1日
输出电压/V220220
输出电流/A1111
输出频率/Hz5050
蓄电池及充放电时间/h3.201.85
运行温度/℃1525
故障率0.0070.007
平均维修时间/d1.51.5

Fig.5

Quality score curve of UPS"

Fig.6

Equipment present value curve of UPS"

Table 13

Estimated maintenance cost proportion of UPS"

项目质量分数/分
90~10080~9060~8030~600~30
维修建议巡检养护小修中修大修报废

维修预估

费用/元

0设备原值×3%设备原值×10%设备原值×35%12 000

Fig.7

Total cost curve of UPS"

Fig.8

Comparison between operation and maintenancecosts and present value of equipment of UPS"

Fig.9

Updated equipment present value curve of UPS"

Fig.10

Updated total cost curve of UPS"

Fig.11

Updated comparison between operation andmaintenance costs and present value ofequipment of UPS"

Table 14

Economic gain and equipment lifespan aftermaintenance"

维修次数维修日维修类型经济增益/%设备全寿命周期/d
0———2 816
11 864中修5.623 250
22 092小修9.653 734
32 350小修12.924 286
42 774小修13.984 839
53 311小修13.765 300
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