Motion Control

Embedded Virtualization Enables Highly Integrated “Soft Motion” Platforms on the PC

With the increased processing power that PCs have attained, a complex machine that used to require an expensive and dedicated hardware-based motion control solution can now be accomplished on a multicore PC running on a real-time operating system (RTOS).

Posted in: Application Briefs, Motion Control

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Nonlinear Model Predictive Control

This whitepaper presents an automatic workflow for implementing Model Predictive Control (MPC) controllers. The process uses MapleSim to generate a model of the system, whose dynamic equations are then extracted using Maple. Next, Maple is used to formulate the MPC problem, and generate the solver, which it automatically converts into the C code of the MPC controller. The advantage of using Maple is that the required procedures and their corresponding derivatives are computed and optimized whenever there is a change in the dynamic equations. The use of Maple saves time, removes human error, and produces highly optimized controller code.

Posted in: White Papers, Electronics & Computers, Mechanical Components, Motion Control

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Piezo Drive

The Ensemble QDe™ desktop nanopositioning piezo drive from Aerotech (Pittsburgh, PA) was designed for seamless use with the Ensemble family of drives and controllers. The QDe connects to any Ensemble controller network, enabling coordinated motion between piezo stages and servo axes. The drive is suitable for single- or multi-axis applications such as point-to-point motion, linear and circular interpolation, multi-axis error correction, and autofocusing. High-speed interrupts and data logging capabilities provide a real-time link to external systems.

Posted in: Products, Motion Control

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Linear Stage

Bell-Everman (Goleta, CA) offers the SLS Light sealed linear stage that keeps contamination such as manufacturing debris, particulate, or liquid contaminants outside of the stage housing. The stage measures 80 x 120 mm, and has maximum dynamic payloads of 15 kg for the direct drive linear motor version and 30 kg for the ball screw version. Both sizes deliver a proprietary linear lip seal design that integrates with the stage’s anodized aluminum housing. The seal is made from a ruggedized polyurethane elastomer and resists chemicals, temperature extremes, and mechanical wear. The seal can be replaced without disassembling the stage or removing payload. Applications include any application where contaminants can threaten the smooth operation of a linear actuator including laser machining, welding, semiconductor, and machining. For Free Info Visit http://info.hotims.com/55594-317

Posted in: Products, Motion Control

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Position and Angle Measurement

The BML series from Balluff (Florence, KY) offers absolute position and angle measurement for installation or direct integration into drive and positioning systems. The magnetically encoded systems with Permagnet® nonius technology feature IP 67 housing for external installation. As an open kit for integration, they can be used in rotary applications as well. The formats, strokes, and end positions of axes can be adjusted automatically. The absolute encoder disk can be integrated into motors and actuators as an absolute feedback solution.

Posted in: Products, Motion Control

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Linear Guide System

PBC Linear (Roscoe, IL) released the Compact Series low-profile linear guide system for repeatable linear motion in tight spaces. The system features a 23-mm standard height, and can be configured to adapt to specific applications in automation, medical, dispensing robotics, and electronic board manufacturing. Options include Gliding Surface Technology bearings with a self-lubricating and maintenance-free liner, Profile Rail Technology for rigid performance, 6- and 10-mm-diameter lead screws in a variety of leads, Constant Force™ patented anti-backlash nut or standard fixed nut, and integrated NEMA 17 or 23 stepper motors, motor mount options, or manual hand knob. For Free Info Visit http://info.hotims.com/55594-302

Posted in: Products, Motion Control

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Linear Encoder

MICRONOR (Newbury Park, CA) introduced the MR303 linear position sensor system for OEM motion control applications. With 100-μm resolution and 50-μm accuracy, the encoder is suitable for medical, MRI, robotic, and industrial applications where position and speed must be precisely monitored, and electromagnetic immunity and invisibility is required. The sensor works in conjunction with the MR302-2 OEM controller that enables the sensor to integrate with conventional PLC controllers and servo drives. For Free Info Visit http://info.hotims.com/55594-307

Posted in: Products, Motion Control

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