| PDF Pages<\/th>\n | PDF Title<\/th>\n<\/tr>\n | ||||||
|---|---|---|---|---|---|---|---|
| 2<\/td>\n | undefined <\/td>\n<\/tr>\n | ||||||
| 4<\/td>\n | Blank Page <\/td>\n<\/tr>\n | ||||||
| 5<\/td>\n | CONTENTS <\/td>\n<\/tr>\n | ||||||
| 7<\/td>\n | FOREWORD <\/td>\n<\/tr>\n | ||||||
| 9<\/td>\n | INTRODUCTION <\/td>\n<\/tr>\n | ||||||
| 10<\/td>\n | 1 Scope <\/td>\n<\/tr>\n | ||||||
| 11<\/td>\n | 2 Normative references 3 Terms and definitions <\/td>\n<\/tr>\n | ||||||
| 12<\/td>\n | Figures Figure 1 \u2013 Image planes in imaging device of a VBPDST <\/td>\n<\/tr>\n | ||||||
| 15<\/td>\n | 4 Functional, design and environmental requirements Figure 2 \u2013 3D view of a vision based protective device using stereo vision techniques (VBPDST) <\/td>\n<\/tr>\n | ||||||
| 16<\/td>\n | Figure 3 \u2013 2D view of a vision based protective device using stereo vision techniques (VBPDST) <\/td>\n<\/tr>\n | ||||||
| 24<\/td>\n | 5 Testing <\/td>\n<\/tr>\n | ||||||
| 26<\/td>\n | Tables Table 431 \u2013 Verification of detection capability requirements (see also 4.2.12) <\/td>\n<\/tr>\n | ||||||
| 28<\/td>\n | Figure 4 \u2013 Examples for periodic surface structures on the background <\/td>\n<\/tr>\n | ||||||
| 31<\/td>\n | Table 432 \u2013 Overview of light interference tests <\/td>\n<\/tr>\n | ||||||
| 33<\/td>\n | Figure 5 \u2013 Test setup for indirect light interference on the background <\/td>\n<\/tr>\n | ||||||
| 34<\/td>\n | Figure 6 \u2013 Test setup for VBPDST of identical design with PAPT <\/td>\n<\/tr>\n | ||||||
| 35<\/td>\n | Figure 7 \u2013 Test setup for direct light interference on the sensing device <\/td>\n<\/tr>\n | ||||||
| 37<\/td>\n | 6 Marking for identification and for safe use 7 Accompanying documents <\/td>\n<\/tr>\n | ||||||
| 39<\/td>\n | Annex A (normative) Optional functions of the ESPE <\/td>\n<\/tr>\n | ||||||
| 41<\/td>\n | Annex B (normative) Catalogue of single faults affecting the electrical equipmentof the ESPE, to be applied as specified in 5.3 <\/td>\n<\/tr>\n | ||||||
| 42<\/td>\n | Annex AA (informative) The positioning of VBPDST employing a volume as a detection zone in respect of parts of the human body <\/td>\n<\/tr>\n | ||||||
| 45<\/td>\n | Figure AA.1 \u2013 Minimum distance S \u2013 Example 1 Figure AA.2 \u2013 Overall minimum distance So without tolerance zone \u2013 Example 1 <\/td>\n<\/tr>\n | ||||||
| 46<\/td>\n | Figure AA.3 \u2013 Overall minimum distance So including tolerance zone \u2013 Example 1 <\/td>\n<\/tr>\n | ||||||
| 47<\/td>\n | Figure AA.4 \u2013 Minimum distance S \u2013 Example 2 <\/td>\n<\/tr>\n | ||||||
| 48<\/td>\n | Figure AA.5 \u2013 Overall minimum distance So without tolerance zone \u2013 Example 2 Figure AA.6 \u2013 Overall minimum distance So including tolerance zone \u2013 Example 2 <\/td>\n<\/tr>\n | ||||||
| 50<\/td>\n | Figure AA.7 \u2013 Application example for body detectionof a VBPDST employing a volume as a detection zone <\/td>\n<\/tr>\n | ||||||
| 51<\/td>\n | Annex BB (informative) Relationship between position accuracy and tolerance zones for VBPDST <\/td>\n<\/tr>\n | ||||||
| 52<\/td>\n | Figure BB.1 \u2013 Relationship between test piece position and the probability of detection <\/td>\n<\/tr>\n | ||||||
| 53<\/td>\n | Figure BB.2 \u2013 Example for measurement of the probability of detection <\/td>\n<\/tr>\n | ||||||
| 55<\/td>\n | Figure BB.3 \u2013 Relationship between detection zone and tolerance zone <\/td>\n<\/tr>\n | ||||||
| 56<\/td>\n | Figure BB.4 \u2013 Overall minimum distance So including tolerance zone <\/td>\n<\/tr>\n | ||||||
| 57<\/td>\n | Annex CC (informative) Basic principles of physics for contras tof convex homogeneous bodies <\/td>\n<\/tr>\n | ||||||
| 58<\/td>\n | Figure CC.1 \u2013 Illumination model \u2013 Sphere illuminated by a point source Figure CC.2 \u2013 Illumination model \u2013 Sphere illuminated by a half-Ulbricht sphere <\/td>\n<\/tr>\n | ||||||
| 59<\/td>\n | Figure CC.3 \u2013 Brightness of a surface element of a sphere in spherical coordinates Figure CC.4 \u2013 Brightness distribution in an image of a sphere <\/td>\n<\/tr>\n | ||||||
| 60<\/td>\n | Figure CC.5 \u2013 Grey value profile over a sphere with low contrast for a typical imaging contrast (Modulation Transfer Function) Figure CC.6 \u2013 Grey value profile over a sphere with the same colour as the background <\/td>\n<\/tr>\n | ||||||
| 61<\/td>\n | Figure CC.7 \u2013 Grey value profile over a sphere in front of a background that is half as bright Figure CC.8 \u2013 Grey value profile over a sphere in front of a background that is twice as bright <\/td>\n<\/tr>\n | ||||||
| 62<\/td>\n | Figure CC.9 \u2013 Grey value profile over a sphere by low contrast Figure CC.10 \u2013 Grey value profile over the sphere from Figure CC.9 but with the direction to the imaging device changed by 10\u00b0 <\/td>\n<\/tr>\n | ||||||
| 63<\/td>\n | Figure CC.11 \u2013 Grey value profile over a small sphere that results inan image that is 5 pixels in diameter <\/td>\n<\/tr>\n | ||||||
| 64<\/td>\n | Bibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":" Safety of machinery. Electro-sensitive protective equipment – Particular requirements for equipment using vision based protective devices (VBPD). Additional requirements when using stereo vision techniques (VBPDST)<\/b><\/p>\n |