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Variable Metrology Stand for Piezoelectric Ultrasonic Motors Measured Caracteristic Curves Dr. W. Wischnewskiy, B. Philips • (PI) GmbH & Co. KG • http://www.pi.ws • Phone +49 (721) 4846 - 0 • Fax 4846 - 499 Physik Instrumente Test Stand for Analyzing New Types of High-Performance Ultrasonic Piezomotor Drives Summary Fields of application Force vs. Speed Characteristic Force vs. Power Characteristic Measured characteristics of a 60x26x9mm piezo ceramic actuator Flexible, easy to handle measurement Open-loop and closed-loop operation Measurement of electrical characteristics Force Sensor Friction Bar Ultrasonic Motor Sled Test Stand Travel range of 160mm Interchangeable adapter to fit various piezo actuators and motors Interchangeable friction bar for analysis of different friction materials Resolution of 100nm Automated measurement of travel, speed and force Graphic user interface to control and evaluate measurement Development and improvement of linear, ultrasonic motors Investigation of different friction element pairs Determination of characteristic curves Production quality assurance Optimization of the motor driver electronics Endurance and efficiency testing Design Features Limit Switch Velocities up to 1.2m/s Force measurement of 0.5 to 100N Automated measurement process Various mechanical and electrical properties can be displayed and permit easy analysis http://www.nanopositioning.net http://www.nanopositioners.com
