Overview
Description
This demonstration kit for a 2-axis robot arm utilizes Renesas' motor control solution for position control using the RX24T and RX72M 32-bit microcontrollers (MCUs) for 2-phase stepping motor control with resolvers. The RX72M handles the numerical control and dual RX24T handle each axis of the 2-phase stepping motor. The system enables movement of the arm at speeds of up to 250mm per second within the movable range of 150mm x 153mm.
Features
- Numerical control (NC) is achieved with the RX72M and motor control of each axis with the RX24T
- Arm trajectory control (controlled path control or CP) enables continuous operation of any path at speeds up to 250mm/s in a 150mm x 153mm range of motion
- The high position resolution (200,000P/R) of the resolver enables ±0.2mm positioning accuracy
- Motor Type: 2-phase stepper motor
- Resolver: Position resolution of 200,000P/R
- Sample code: Position, speed, current vector control
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Videos & Training
The RENESAS + MinebeaMitsumi = 2Arms Demo features high precision and smooth position control from low speed to high speed (1 to 3000 rpm). This is a demonstration of a 2-axis robot arm using stepping motor with resolver, and was exhibited at MinebeaMitsumi's booth at International Robot Exhibition 2019.