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ISO 7626-5:2019
Mechanical vibration and shock — Experimental determination of mechanical mobility — Part 5: Measurements using impact excitation with an exciter which is not attached to the structure- 발행일 : 2019-12-02
- 발행기관 : ISO
상세정보
| 분야 | ISO/TC 108 : Mechanical vibration, shock and condition monitoring |
|---|---|
| 적용범위 | This document specifies procedures for measuring mechanical mobility and other frequency-response functions of structures excited by means of an impulsive force generated by an exciter which is not attached to the structure under test. It is applicable to the measurement of mobility, accelerance or dynamic compliance, either as a driving point measurement or as a transfer measurement, using impact excitation. Other excitation methods, such as step relaxation and transient random, lead to signal-processing requirements similar to those of impact data. However, such methods are outside the scope of this document because they involve the use of an exciter which is attached to the structure. The signal analysis methods covered are all based on the discrete Fourier transform (DFT), which is performed mostly by a fast Fourier transform (FFT) algorithm. This restriction in scope is based solely on the wide availability of equipment which implements these methods and on the large base of experience in using these methods. It is not intended to exclude the use of other methods currently under development. Impact excitation is also widely used to obtain uncalibrated frequency-response information. For example, a quick impact test which obtains approximate natural frequencies and mode shapes can be quite helpful in planning a random or sinusoidal test for accurate mobility measurements. These uses of impact excitation to obtain qualitative results can be a first stage for mobility measurements. This document is limited to the use of impact excitation techniques for making accurate mobility measurements. |
| 국제분류(ICS)코드 | 17.160 : 진동. 충격 및 진동측정 |
| 페이지수 | 28 |
| Edition | 2 |
이력정보
| No. | 표준번호 | 표준명 | 발행일 | 상태 |
|---|---|---|---|---|
| 1 | ISO 7626-5:2019상세보기 | Mechanical vibration and shock — Experimental determination of mechanical mobility — Part 5: Measurements using impact excitation with an exciter which is not attached to the structure | 2019-12-02 | 표준 |
| 2 | ISO 7626-5:1994상세보기 | Vibration and shock — Experimental determination of mechanical mobility — Part 5: Measurements using impact excitation with an exciter which is not attached to the structure | 1994-06-30 | 구판 |
관련상품
- ISO 7626-1:2011 - Mechanical vibration and shock — Experimental determination of mechanical mobility — Part 1: Basic terms and definitions, and transducer specifications
- ISO 7626-2:2015 - Mechanical vibration and shock — Experimental determination of mechanical mobility — Part 2: Measurements using single-point translation excitation with an attached vibration exciter
다른 사람이 함께 구입한 상품
- JIS Z 3136:1999 - Specimen dimensions and procedure for shear testing resistance spot and embossed projection welded joints
- ISO 14732:2013 - Welding personnel — Qualification testing of welding operators and weld setters for mechanized and automatic welding of metallic materials
- IEC 60077-2:2017 - Railway applications - Electric equipment for rolling stock - Part 2: Electrotechnical components - General rules
- BS EN 50238-1:2019 - Railway applications. Compatibility between rolling stock and train detection systems. General.
- JIS G 3114:2022 - Hot-rolled atmospheric corrosion resisting steels for welded structure
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