Glossary#
Term |
Definition |
|---|---|
Accept Threshold |
Minimum similarity threshold (score 0.0-1.0) for a detected object to be accepted by pattern matching. Typical values: 0.70–0.90. |
Air-blow |
Optional pneumatic module for separating components on the disc by jets of compressed air. Requires supply at 5-6 bar. |
Artefact |
Defect in the captured image caused by electromagnetic interference, wiring problems or sensor malfunction. |
Camera Calibration |
Real pixel/coordinate correlation via calibration target with known pattern. It calculates the intrinsic and extrinsic parameters of the camera. |
Clearance |
Analysis of the distribution of greyscales over a defined area. Used to detect presence/absence of objects (gripper control, clear area). |
POE camera |
Industrial camera powered and connected via a single Ethernet cable. Standard: IEEE 802.3af (15.4W) or 802.3at (30W). |
CAPTURE |
Software command to acquire reference images of the empty and full disk, necessary for automatic calculation of hopper thresholds. |
COMPLEX / FLAT / CYLINDRICAL |
Geometrical categories of components in the FlexiBowl® Wizard. FLAT: flat shapes (washers, gaskets). CYLINDRICAL: cylindrical shapes (pins, screws). COMPLEX: irregular or asymmetrical geometries. |
Working Distance |
Ideal distance between lens and disk surface. Typically 950-1000mm in standard configurations. |
Optical Distortion |
Geometrical distortion of the image due to the lens. Automatically compensated during camera calibration. |
Exposure |
Light-gathering time of the camera sensor. Measured in μs or ms; directly affects image quality in production. |
Feature Threshold |
Feature extraction threshold (borders, lines) during model training. Typical values: 0.3–0.8. |
FlexiBowl® |
Vibrating rotating disc feeding system for random positioning and orientation of components for robotic picking. |
FlexiBowl® Wizard |
Wizard for automatic calculation of optimal FlexiBowl® parameters based on component geometry and behaviour. |
Flip |
Pneumatic impulse under the disc to reposition the components. Configurable via Flip Count (number of pulses) and Flip Delay (interval in ms between pulses). |
Grab Train Image |
Software command to acquire the image to be used in the training of a new model. |
Gripper Offset |
Correction vector (ΔX, ΔY, ΔRZ) that compensates for the offset between the optical centre of the vision system and the gripper TCP. |
Hotspot |
Zone of direct light reflection in the image. It appears as an overexposed area and may impair identification. |
Lens |
Optical component of the camera. It must be screwed until metal-to-metal contact; the focal length (e.g. 16mm, 25mm) determines the field of view at the working distance. |
Model |
Geometric template of the component created during the training phase. Each recipe supports up to 8 models per FlexiBowl®. |
Model Origin |
Reference point on the component used as the centre of the coordinate system to calculate positions. It typically corresponds to the pick TCP. |
Orthogonality |
Perpendicularity of the camera with respect to the disc (tolerance ±1°). Verifiable with precision level. |
Pattern Matching |
Algorithm that locates the components in the image by comparing them with the reference model recorded during training. |
Protocol |
Communication format between VisionController and robot. It defines message structure, coordinate order and units of measurement. |
Recipe |
XML file containing all system configuration parameters: models, thresholds, calibrations, FlexiBowl® and robot setup. |
Region Search |
Rectangular area in the image within which the pattern matching performs the search. It reduces processing time and increases accuracy. |
ROI (Region of Interest) |
Rectangular area delimiting the component in the image during model training. |
RZ / Rotation Z |
Angle of rotation around the Z axis communicated to the robot for component orientation. Expressed in degrees (0-360°). |
Score |
Similarity index (0.0-1.0) between the model and the detected object. It determines the trustworthiness of identification. |
Gripper Footprint Simulators |
Physical objects placed around the component during training to exclude from the model the areas engaged by the gripper during picking. |
Steps |
Number of movements of the FlexiBowl® required for components to reach the hopper unloading area from the vision area. |
Subnet |
Subnet that FlexiBowl® and VisionController must share (e.g. 192.168.1.x) for TCP/IP communication. |
Synchronize Parameters |
Software command that transfers parameters to the FlexiBowl®. Mandatory after each change to make the settings effective. |
Timeout |
Maximum time to wait for a communication reply. An error is triggered when it is exceeded. |
Tilt |
Inclination of the camera with respect to the horizontal plane. Allowed value: 0° ± 1°. |
Toplight |
LED illuminator positioned above the disc for even illumination from above. Power supply: 24V DC. |
Training |
Process of creating the identification model by selecting the distinctive features of the component from a reference image. |
Trigger |
Image capture start signal. It can be software-related (timed) or hardware-related (external electrical signal). |
Vision Result |
Output of the vision system: coordinates (X, Y, RZ) and score of the detected component, transmitted to the robot for picking. |
VisionController |
Industrial computer that runs FlexiVision One, manages cameras, processes images and communicates with FlexiBowl® and robots. |