For those seeking more accurate measurement results! Resolver phase measurement device.
NST Corporation
High-precision adjustments are possible, allowing for accurate quality control by quantifying the resolver phase results of the prototype motor.
The resolver mounted on the vehicle-mounted motor experiences installation errors. This device measures these installation errors (phase differences). 【Features】 - Measurement resolution of 0.001° By directly inputting signals from the resolver without using an R/D converter, accurate measurements can be achieved. - Control of the drive motor and measurement processing can be performed on a single PC, enabling fully automated measurements. - It is possible to set the number of motor poles and the resolver axis doubling angle, allowing measurement of various types of workpieces.
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basic information
【Specifications】 Target Motor / Motor: 3-phase motor Rotation Speed: 100rpm to 3000rpm (evaluation rotation speed) Induced Voltage: Maximum 30V Target Resolver / Ref Wave: 10KHz to 20KHz Output Signal: Sine wave / Cosine wave Drive Motor / Motor: AC servo motor Rotation Speed: 100rpm to 3000rpm Driving Torque: Depends on the target workpiece Measurement Items / U-phase Induced Voltage: Maximum 30V Ref / Sine / Cosine Voltage Phase Difference between Motor U-phase and Resolver (Electrical Angle): ±90°
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Applications/Examples of results
Adjustment, inspection, and evaluation of the resolver for the drive motor.
Detailed information
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Application example) R/D converter evaluation This is a system that compares the direct signal from the resolver with the converted signal from the R/D converter module for the purpose of evaluating the accuracy of the R/D converter module.
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PC software displays the U phase waveform from the motor and the resolver sine/cosine waveforms like an oscilloscope. The waveforms can be zoomed in and out, allowing you to extract the desired range. The measurement result display section shows the phase with a resolution of 0.001°.
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Company information
NST responds to a wide range of customer needs through the design, development, and commercialization of unmanned and labor-saving devices, FA and FA systems, measuring instruments, and various control devices across various fields. We also excel in customizations that major manufacturers may not accommodate. Engineers make up 70% of our employees, allowing us to provide a consistent development process from planning and proposal to development, design, prototyping, mass production, and maintenance. 〒431-3114 58 Toyooka-cho, Chuo-ku, Hamamatsu City, Shizuoka Prefecture NST Corporation TEL: 053-430-6311 FAX: 053-430-6312 URL: http://www.nst-co.com