x n 1 L - 1 L EX = 1 L L-1 x n a m m = 0 1 M - 1 M Wa i = M-1 a m m = 0 b n 1 N - 1 N Wb i = N-1 b n b n c n 1 N - 1 k Wc i = N-1 c

第 10 卷第 3 期 01 年 9 月 Journal of Nanjing Institute of TechnologyNatural Science Edition Vol 10,No 3 Sep,01 167-5580103 - 0050-05 1 ( 1 南京工程学院车辆工程系, 江苏南京 11167; 南京康尼机电股份有限公司精密锻造分公司, 江苏南京 10038) 列车自动门振动谱是实施列车自动门振动可靠性实验的基本条件为了保障所构建的列车自动门振动谱的效果, 需要采取一系列措施, 其中包括基于能量守恒原则修正准振动谱的幅值, 为此建立了幅值修正系数对检测获得的某型列车自动门振动时间历程构建振动谱, 结果表明本文的方法可行车辆工程 ; 振动谱 ; 雨流计数法 ; 列车自动门 U70 1 + 4TB13 Revised Amplitude Coefficients for Vibration Spectra of Train Automatic Doors HAN Dong-jing 1, ( 1 Dept of Vehicle Engineering, Nanjing Institute of Technology, Nanjing 11167, China; Precision Forging Branch, Nanjing Kangni Mechanical & Electrical Co, Ltd, Nanjing 10038, China) Abstract: Vibration spectra of train automatic doors are essential to implementing the vibration reliability test for train automatic doors In order to ensure the effect of vibration spectra for the doors, a series of measures should be taken, including revising the amplitude of quasi-vibration spectra, according to the principle of energy conservation A revised coefficient for the amplitude is thus established And a vibration spectrum is established for the vibration time serial detected in a type of train automatic door The result proves that this method is feasible Key words: vehicle engineering; vibration spectra; rainflow counting method; train automatic door 1 TB /T 54 000 1 JIS E4031 1994 TB /T 3058 00 IEC 61373 1999 Railway Applications-Rolling Stock Equipment Shock And Vibration Tests 5 01-07 - 08 01-07 - 30 K09-01 - 01 KN11-09 CKJ0115 E-mail497667@ qq com

10 3 51 1 3 3-4 5 x n 1 L - 1 L EX = 1 L L-1 x n a m m = 0 1 M - 1 M Wa i = M-1 a m m = 0 b n 1 N - 1 N Wb i = N-1 b n b n c n 1 N - 1 k Wc i = N-1 c n } c n = kb n Wc i = Wb i 4 1 3 4

5 01 9 Wa i k = 5 槡 Wb i k 3 1 TB /T 3058-00 a m 图 1 列车自动门振动时间历程检测点 5 3 图列车自动门原始振动时间历程图 3 列车自动门振动谱单元 ( 采用雨流计数法 )

10 3 53 3 6 b n 4 5 k 5 图 4 列车自动门准振动谱 ( 采用雨流计数法 ) 图 5 列车自动门振动谱 ( 采用雨流计数法 ) 1 k 1 k

54 01 9 1 / / m s - 4 m s - 4 /% k /% 7 86 0 7 876 7 890 49 15 0 04 84 1 3 98 617 0 1 11 99 019 9 49 15 0 135 75 1 118 507 08 5 10 18 507 53 8 49 15 0 089 79 1 08 4 1 3 1 TB /T 54 000 S 000790-796 TB /T 3058 00 S 00 1-1 3 M 198 4COWBOY30 Counting and histogrammingeb /OL 011-04-15 01-03 - 04 http/ /www docin com /p - 18110579 html#documentinfo 5 D 01