By tracing the surface of the touch panel with a robot, we support the evaluation of the linearity of the touch panel.
Using a camera and image processing to determine the reference position allows for easy alignment, and the touch panel can be operated with a high precision of 0.1mm in absolute position accuracy. It also enables the measurement of pressing force and displays real-time pressure values.
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basic information
● Evaluation of Touch Panel Linearity The linearity evaluation is performed by having a robot trace the surface of the touch panel. ● Real-time Pressure Display High-precision pressure values can be measured using a load cell attached to the robot's end effector. The pressing force (unit: N) is displayed in real-time. ● Touch Panel Response Speed Measurement (Optional) The response time of the screen during touch operations is measured. A high-speed camera captures the moment the robot's end effector touches the panel surface, and image processing is used to measure the time from the touch moment to the start of the screen change. ● Other Features - Create original inspection trajectories with simple scripts - Operate multiple types of panels using the same trajectory pattern - Compatible with various touch panels, including capacitive and resistive types - Display linearity, accuracy, point variation, and recognition rate in numerical, trajectory, and graph formats.
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Applications/Examples of results
It has been introduced to several manufacturers and is used for quality evaluation in touch panel development.
Detailed information
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Coordinate Position Deviation Display ◆ Linearity Displays how much the reaction point deviates from the straight line connecting the starting and ending points when a line is drawn. The degree of deviation is shown in both graph and numerical form (in pixels). ◆ Accuracy Displays how much the point pressed by the robot deviates from the point that responded. ◆ Hit Point Variability, Recognition Rate Press the same position multiple times and display the number of times the touch panel responded and the variability of the coordinate values.
Company information
Nihon Nobel is an independent software company. Founded in 1980 with the aim of supporting Japan's manufacturing through IT, we have since provided total solutions that meet the needs for labor-saving and rationalization in industrial fields, including FA systems and measurement control. In recent years, based on the technical expertise we have cultivated, we have developed original products such as the "Embedded Software Test Automation System Quality Commander" aimed at improving software quality, and the "Data Center Environmental Monitoring System iDCNavi" for understanding energy usage. Leveraging the characteristics of a software vendor that is not tied to hardware, we provide flexible solutions tailored to the realities of the field.
