Abstract | 第1-9页 |
Acknowledgments | 第9-18页 |
1 Introduction | 第18-30页 |
·Methods of optical distance measurement | 第19-20页 |
·Active principles | 第20-22页 |
·Interferometric method | 第21-22页 |
·Triangulation method | 第22-23页 |
·Time of flight method | 第23页 |
·Triangulation | 第23-26页 |
·Confocal method | 第23-24页 |
·White light confocal method | 第24-25页 |
·Astigmatic method | 第25-26页 |
·Classical triangulation | 第26页 |
·Application for classical triangulation sensors | 第26-28页 |
·Joint research project (PPP) | 第28页 |
·Structure of the thesis | 第28-30页 |
2 State of the art | 第30-38页 |
·Fundamental equations of the classical triangulation | 第30-32页 |
·Properties of the classical triangulation | 第32-35页 |
·Laser for illumination | 第33页 |
·Detector | 第33-34页 |
·Measurement object | 第34-35页 |
·Limits of the classical triangulations | 第35-37页 |
·Uncertainty of the classical triangulations | 第35-36页 |
·Problems of the classical triangulation | 第36页 |
·Existing solution of the typical problem of the classical triangulation | 第36页 |
·Disadvantage of the existing solution | 第36-37页 |
·Summary: Stat of the art | 第37-38页 |
3 Design Process of the rotationally symmetric triangulation sensor | 第38-76页 |
·New idea of a rotationally symmetric triangulation sensor | 第38-39页 |
·Fundamental equations of the rotationally symmetric triangulation | 第39-43页 |
·Equations for refractive surfaces | 第41-42页 |
·Equations for reflective surfaces | 第42-43页 |
·Optic design for rotationally symmetric triangulation | 第43-55页 |
·Optical System with one reflecting surface | 第43-45页 |
·Other configurations | 第45-55页 |
·Design process for an optical design for the rotational symmetric triangulation sensor | 第55-74页 |
·Definition of the new sensors' specifications | 第57-58页 |
·Calculation of further parameters | 第58-59页 |
·Choose possible optic layouts | 第59-61页 |
·Create first scaled model of the chosen optic layout | 第61-62页 |
·List parameters of the starting system for the calculation of the optics | 第62-65页 |
·Calculate the optic layout | 第65-66页 |
·First optic layout for ray tracing | 第66-67页 |
·Suitable optic design | 第67-68页 |
·Aspherisation of the optical surfaces | 第68页 |
·Optimization of the optical surfaces | 第68-73页 |
·Final optic design | 第73-74页 |
·Ranking | 第74-75页 |
·Summary: Design Process of the rotationally symmetric triangulation sensor | 第75-76页 |
4 Simulations | 第76-98页 |
·More detailed model for simulation | 第76-80页 |
·Model of the light spot | 第76-78页 |
·Sensitivity of the detector | 第78-79页 |
·Simulation results of different influences of the ring | 第79-80页 |
·Tolerance analysis and adjustment | 第80-92页 |
·Adjust illumination | 第80页 |
·Adjustment of the location of the measurement spot | 第80-84页 |
·Defocus of the measurement spot | 第84-87页 |
·Positional tolerance | 第87-92页 |
·Stray light simulation | 第92-93页 |
·Possible stray light sources | 第92页 |
·Internal reflections | 第92-93页 |
·Temperature influence of plastic optics | 第93-96页 |
·Refractive index | 第94页 |
·Thermal expansion | 第94-95页 |
·Influence of a temperature change of the measurement result | 第95-96页 |
·Summary: Simulation | 第96-98页 |
5 Integration of a second optical system for vision | 第98-120页 |
·Basic idea of the second optical system for vision | 第98-99页 |
·Available design space | 第99-101页 |
·Design space in optic design with two reflective surfaces | 第99-100页 |
·Design space in an optical design with two toroidal lenses | 第100-101页 |
·Short pass filter | 第101-102页 |
·Illumination for the vision system | 第102-103页 |
·Source and arrangement of the illumination | 第102页 |
·Brightness of the illumination | 第102-103页 |
·Optical design of an integrated vision system for RSTS | 第103-118页 |
·Requirements to the optical design of the vision system | 第103-104页 |
·First order layout of the vision system | 第104-105页 |
·Vision system - optical design with real lenses | 第105-106页 |
·Aberrations | 第106-109页 |
·Optical layout with thick lenses and low aberrations of the vision system | 第109-112页 |
·Available plastic for the lenses | 第112-113页 |
·Aperture for the vision system | 第113-115页 |
·Aspherisation | 第115页 |
·Optimization | 第115-116页 |
·Simulation of ths short pass filter | 第116-118页 |
·Summary: 5 Integration of a second optical system for vision | 第118-120页 |
6 Mechanical design | 第120-130页 |
·Mock-up | 第120-128页 |
·Adjustment elements | 第121-124页 |
·Optical System | 第124-126页 |
·Further components | 第126页 |
·First mock-up of the RSTS | 第126-127页 |
·Final mock-up | 第127-128页 |
·Summary: Mechanical design | 第128-130页 |
7 Measurement results | 第130-142页 |
·Measurement system | 第130-132页 |
·Measurement modes | 第131-132页 |
·Measurement results of the distance measurement | 第132-139页 |
·Properties of the ring for distance measurement | 第132-133页 |
·Influence of the measurement objects' texture to the ring | 第133-135页 |
·Characteristic curve | 第135-137页 |
·Robustness | 第137-139页 |
·Measurement results of the vision system | 第139-140页 |
·Summary: Measurement results | 第140-142页 |
8 Conclusions | 第142-144页 |
9 References | 第144-148页 |