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BS ISO 10068:2012:2013 Edition

$189.07

Mechanical vibration and shock. Mechanical impedance of the human hand-arm system at the driving point

Published By Publication Date Number of Pages
BSI 2013 50
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This International Standard specifies the mechanical impedance of the human male hand-arm system at the driving point. Values of the impedance, expressed as modulus and phase, are provided for three orthogonal, translatory directions of excitation that correspond to the xh-, yh– and zh-axes of the basicentric coordinate system.

NOTE 1 The basicentric coordinate system is defined in ISO 5349-1[2] and ISO 8727.[5]

The xh-, yh– and zh-components of impedance are defined as a function of frequency, from 10 Hz to 500 Hz, for specified arm positions, grip and feed forces, handle diameters, and intensities of excitation. The components of impedance in the three directions are treated as being independent.

This International Standard can be used to define typical values of the mechanical impedance of the hand-arm system at the driving point, applicable to males under the circumstances specified. This International Standard can provisionally be applied to females.

Reference values of the mechanical impedance at the driving point are provided as a function of frequency for a specified grip and feed force.

NOTE 2 See Annex A.

These impedance values are intended for the determination of the transmissibility of resilient materials when loaded by the hand-arm system.

Mathematical representations of the hand-arm system that model the mean values of apparent mass or impedance are provided.

NOTE 3 See Annexes B to D.

A gloved hand-arm model is described, and the frequency dependence of vibration power absorption in the hand-arm system is also provided.

NOTE 4 See Annexes E and F.

To help conduct further measurement of the mechanical impedance, especially for circumstances that are not specified in this International Standard, information on the measurement of mechanical impedance is provided.

NOTE 5 See Annex G.

PDF Catalog

PDF Pages PDF Title
6 Foreword
7 Introduction
9 1 Scope
10 2 Terms and definitions
3 Mechanical impedance of the hand-arm system at the driving point
11 Table tab_1
12 Table tab_2
13 Table tab_3
14 Table tab_b
Figure fig_1
15 Table tab_c
Figure fig_2
16 Table tab_d
Figure fig_3
4 Applicability of values of impedance
17 Figure fig_4
18 Figure fig_5
5 Applications
5.1 General
5.2 Evaluation of the transmissibility of resilient materials when loaded by the hand-arm system
19 5.3 Models of the hand-arm system
5.4 Estimation of power absorbed in the hand-arm system and its frequency dependence
20 Annex A
(normative)

Reference values for the zh-component of the mechanical impedance of the hand-arm system

21 Table tab_A.1
22 Table tab_B.1
Annex B
(informative)

Model 1

23 Table tab_e
Figure fig_B.1
24 Table tab_f
Figure fig_B.2
25 Table tab_g
Figure fig_B.3
26 Table tab_h
Figure fig_B.4
27 Table tab_C.1
Annex C
(informative)

Model 2

28 Table tab_i
Figure fig_C.1
29 Table tab_j
Figure fig_C.2
30 Table tab_k
Figure fig_C.3
31 Table tab_l
Figure fig_C.4
32 Table tab_D.1
Annex D
(informative)

Model 3

33 Table tab_m
Figure fig_D.1
34 Table tab_n
Figure fig_D.2
35 Table tab_o
Figure fig_D.3
36 Table tab_p
Figure fig_D.4
37 Table tab_E.1
Annex E
(informative)

Model of the gloved hand-arm system

38 Table tab_q
Figure fig_E.1
39 Table tab_r
Figure fig_E.2
40 Table tab_F.1
Annex F
(informative)

Examples of frequency dependence derived from vibration power absorption

41 Table tab_F.2
42 Table tab_s
Figure fig_.1
43 Table tab_t
Figure fig_.2
44 Annex G
(informative)

Measurement of the mechanical impedance of the hand-arm system

45 Reference ref_1
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Bibliography
46 Reference ref_20
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BS ISO 10068:2012
$189.07