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Manual - Image Engineering

1. SIEVE Software User Manual CONTENT Control Center Handshake Generator Custom Handshake Recorder Administration mage Engineering GmbH amp Co KG Augustinusstra e 9d 50226 Frechen Germany T 49 2234 995595 0 F 49 2234 995595 10 www image engineering de STEVE Q INTRODUCTION STEVE is designed for qualitative analysis of image stabilizing systems under reproducible realistic conditions The device is delivered with camera mount and a controller box with a USB interface to the computer DIGITUS an addition device allowing to press the camera shutter release button automatically is optionally available To run the software provided with STEVE a Windows computer with a USB interface is required STEVE s Control Center is a software to control the motion of the two axes pitch and yaw Wa Steve Control Center File Edit view Tools Help IV Active IV Active Frequency Hz MT 25 Frequency Hz 4 0 Amplitude deg a14 Amplitude de ars Calibrate Hold Finger Down www image engineering de 2 STEVE Q II CONTROL CENTER Using the main control window allows you to define a sinusoidal motion for each axis You can turn single axes on and off and set the individual frequency and amplitude For this purpose you can use a slider or edit the value directly If you manually edit the value please confirm the action with the Enter button on your
2. keyboard before you proceed with the next value x Yaw Pitch I Active WM Active Frequency Hz 40 Frequency Hz 40 Amplitude deg 014 Amplitude de 014 Calibrate Hold Finger Down You can begin and stop the motion using the Run and Stop buttons You can recalibrate the position sensors using the Calibrate button The calibration is done everytime STEVE is turned on Both axes are moved in order to determine the mechanical boundaries and the middle of the total travel If your STEVE is not provided with mechanical locks for the axes you can hold the middle of the total travel using the Hold button You may find this helpful when changing camera settings or focusing manually If you have a DIGITUS connected to your STEVE you can trigger it using the Finger Down button www image engineering de 3 STEVE Q III HANDSHAKE GENERATOR You can create your own motion curves using the Handshake Generator Menu Tools gt Handshake Generator Two sine waves are superimposed in order to achieve this You can define amplitude frequency and phase for each of the two curves which are displayed as the red and green lines The resulting curve is blue Handshake Generator a x ist sine wave Amplitude Es counts Frequency 2 Hz Phase fo deg m 2nd sine wave Amplitude 50 counts Frequency 5 Hz Phase 0 deg Sampling i s o
3. 100 0 Position um 100 200 Multiplier 1 Hessi 300 Rate 2 78 kHz 0 00 0 02 004 0 06 O08 010 O12 014 016 018 020 O22 O24 O26 O28 O30 O32 O34 O36 Time 0 36 ms Time s Handshake Generator x Mist sine wave Amplitude 300 counts Frequency 2 Hz Phase fo deg r 2nd sine wave Amplitude 0 counts 5 Frequency 8 Hz Phase 0 deg r Sampling Position pm onl oO Multiplier 4 1 255 Rate 0 69 kHz Time 1 44 ms The amplitude is given in counts which is the metric of the positioning sensors One count corresponds to one micrometer Please note that the amplitude here denotes the displcement between the sensor and magnetic tape the corresponding total travel of the voice coil will be different and has to be calculated You can extend the duration of the custom curve by selecting a multiplier greater than one Since the size of the data block for the curves is limited this is done at the expence of the sampling precision i e extending the duration leads to decreasing the sampling rate The effect of the multiplier is shown on the images above You can save your custom curve in order to use it for the motion In order use it please select Jools gt Custom Handshake in the menu www image engineering de 4 STEVE Q IV CUSTOM HANDSHAKE Using the Custom Handshake module you can load and apply the curve data to the
4. ding and downloading the control units software and the communication console are protected by password Please contact support image engineering de if you experience any issues www image engineering de 6
5. es Setting the trigger for a specific axis will remove the trigger for the other one if it was available The pressing duration value defines the time DIGITUS will keep pressing the shutter release button Furthermore you can define the shutter lag if known in order to take the picture exactly at the defined trigger position DIGITUS will then start pressing the button before the trigger point taking the shutter lag into consideration The motion according to the custom data can be started and stopped using the buttons on the bottom right www image engineering de 5 STEVE Q V RECORDER Using the recorder you can capture and visualize the motion curves logged by the control units using the positioning sensors You can select which data you want to record and trigger the recorder immediately after pressing the Start button or make it wait until the motion begins The motion data can be saved as a tabulator separated text file for further analysis e g in a custom spread sheet x Axes V Yaw IV Pitch e Yaw Position Signals A I Yaw Position Command IV Position 5 1 I Yaw Position Error IV Position Command E Pitch Position IV Position Error a Pitch Position Command Pitch Position Error Trigger Immediatly Motion Beginning Save Records VI ADMINISTRATION Some features concerning the administration and debugging of the device such as uploa
6. yaw and pitch controllers Before loading the data its sampling multiplier has to be specified It may take a few seconds until the data is loaded a progress bar represents the process Please don t take any further action while loading the curve data Custom Handshake E x Yaw Pitch M Motion Loop Single GI Oo Shutter lag NM fo ms b o M Pressing duration 1000 ms 0 O wo O u M Sampling multiplier 1 1 255 Rate 2 78 kHz 200 Time 0 36 ms 100 3 300 Finger release Time Unknown 0 00 0 02 0 16 018 020 Position yaw Unknown Time s Position pitch Unknown Custom Handshake i x Yaw pitch Motion Loop C Single Shutter lag 0 ms Pressing duration 1000 He Sampling multiplier fi 1 255 Rate 2 78 kHz Time 0 36 ms Position 1m 300 0 00 002 004 006 0058 010 012 014 016 0 1 8 020 O22 024 Position yaw 257 cnts Time s Position pitch 0 cnts Finger release Time 0 109 s You can select either the motion should be only performed once or in a loop If using a DIGITUS in order to press the shutter release button after loading the data you can double click on a curve to define a pressing point The field Finger release displays details about this trigger Please note that only one trigger can be set for both yaw and pitch ax

Manual - Image Engineering

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