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HIGH-PERFORMANCE MOTION CONTROL MADE EASY

Piezo Motor Company’s new range of miniature piezomotors sets new benchmarks for compact, high-performance rotary and linear piezoelectric actuators/motors. We’ve combined lightweight design with superior precision and functionality.

These piezomotors are exceptionally energy-efficient, requiring no power in the hold position while still maintaining full torque and force. This efficiency makes them ideal for demanding OEM applications where performance and cost-effectiveness are paramount.

Designed to operate at low voltage (5.0 VDC to 7.5 VDC) and small currents (e.g., 30 mA), our new piezomotors are available with optional factory-installed encoders and boast several distinctive features:

  • Constructed from modern, reinforced engineered thermoplastics for reliability and affordability.
  • Unmatched precision and resolution.
  • Ultra-fast response times and exceptional start-stop capabilities.
  • High torque relative to size, optimized for direct-drive applications.
  • Support for stepping and continuous modes of operation.
  • A speed dynamic range spanning six orders of magnitude.
  • Silent operation in continuous mode and a low voltage design to minimize electrical arcing.

Piezo Motor Company’s range of motors are available with or without factory-fitted encoders. Fully closed-loop systems are also available:

Motor Range without encoders - Open-Loop Motion Control

Motor Range with factory-fitted encoders – (user Closes Loop for Closed-Loop Control)

Motion Control Options

Motion control is achieved using the electronic driver board (P/N – ROLR-PCB), designed to offer an economical interface for user control. Motor motion is controlled via PWM (Pulse Width Modulation) signals through the J1 connector on the driver.

Electronic Driver Board Interface Supports UART & I2C

The driver PCB (P/N – ROLR-PCB) supports UART and I2C interfaces, enhancing its adaptability. Each board is pre-programmed for the specific motor model, allowing for software configurability, optimizing drive signals, and integrating controls. Motor operation can be finely regulated by user through closed- loop control with an optional encoder installed on the motor/actuator.

New! Closed-loop Systems with Python API

Our new Python API allows for feedback from the piezomotors’ encoder to be fed to the driver board, closing the loop. The position and speed of the motor can be controlled through an elaborate set of Python API commands, accessible via the MicroUSB port:

  • Home(direction): Moves the motor to the zero position (Clockwise/Counterclockwise).
  • getPosition(): Retrieves the current motor position in encoder pulses.
  • Velocity(value): Sets the motor speed (0.2 – 600 RPM).
  • Move(action): Moves the motor Left/Right or Stops.
  • Position(value): Moves the motor to a specific encoder pulses position (1024 pulses per revolution).
  • setPWMsettings(duty_cycle_percent, frequency_Hz): Configures velocity by PWM parameters.

    Explore our new range of piezomotors and discover how they can enhance your applications. Contact us today for more details!

Motor Range - Closed-Loop Systems with Python API

Motion Control – Open-loop and Closed-loop (Feedback Control)

Motion control is achieved using the electronic driver board, designed to offer an economical interface for user control. Motor motion is controlled via PWM (Pulse Width Modulation) signals through the J1 connector on the driver.

Electronic Driver Board Interface Supports UART & I2C

The driver PCB supports UART and I2C interfaces, enhancing its adaptability. Each board is pre-programmed for the specific motor model, allowing for software configurability, optimizing drive signals, and integrating controls. Motor operation can be finely regulated through closed- loop control with an optional encoder installed on the actuator.

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