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MOTION CONTROL NEWS

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What you may have missed...

Precision Fluid Pumping

Precision Fluid Handling: It’s All In The Pump

Pumps that move liquid precisely are at the heart of a broad array of patient treatment devices and laboratory automation. The first part of our Precision Fluid Handling series will outline the keys to machine design success. You’ll get an understanding of what type of fluid pumps will work best in your motion control application, and what type of motion control techniques will give you the fluid pumping accuracy that you need.

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New Outer Loop Control ICs

New Motor Control IC Integrates Outer Loop And Velocity Loop Functions

The Juno MC71113, MC73113, and MC78113 are newly released ICs that provide velocity control of 3-phase Brushless DC and DC Brush motors with advanced features such as PI velocity loop control, programmable velocity estimation, dual biquad filtering, shunt regulation, deadband filtering, FOC (Field Oriented Control), and more.

Technical Paper

PMD and Covid-19 Customers

PMD Products Essential In Covid-19 Battle

A noisy or chattering servo axis is perhaps the single most common motion problem that engineers encounter when building their DC Brush or Brushless DC motor-based machine. This is not only annoying but can cause increased wear and tear on the motor and downstream mechanisms. The problem can occur both when the servo motor is holding position, and when it is moving - although the sound characteristic may be different for each of these conditions.

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Solve Step Motor Noise

Step Motor Noise and How to Fix It

Part of our article series Common Motion Control Problems and How to Solve Them

Trajectory generation techniques such as 7-segment S-curve profiles, asymmetric acceleration and deceleration, continuous contouring, and electronic CAMming are standard features in modern machine design. They provide engineers the tools they need to make controlled loads move faster and more efficiently. This paper will take you through the mathematics of motion profiles, discuss which profiles work best for which applications, and provide insights into how modest changes in the profile athematics-motion-control-2parameter settings can create big improvements in throughput.

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stepper-servo-motion-technique

New Control Technique Combines Servo Performance With Step Motor Cost

When it comes to step motors, a new drive technique called stepper servo has some engineers believing they have found the holy grail of positioning motion control - the high performance of a servo motor with the low cost of a step motor. In this article we will explore the benefits and limitations of the stepper servo control technique, also called closed loop stepper, and explain why it is attracting serious attention from machine designers.

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Low Cost ICs Provide Advanced Velocity Control

New Low Cost ICs Provide Advanced Velocity Control of Servo Motors

The Juno MC71113, MC73113, and MC78113 are newly released ICs that provide velocity control of 3-phase Brushless DC and DC Brush motors with advanced features such as PI velocity loop control, programmable velocity estimation, dual biquad filtering, shunt regulation, deadband filtering, FOC (Field Oriented Control), and more.

Technical Paper

common-motion-problems-2b

My Servo Motor Is Making A Lot of Noise

Part of our article series Common Motion Control Problems and How to Solve Them

A noisy or chattering servo axis is perhaps the single most common motion problem that engineers encounter when building their DC Brush or Brushless DC motor-based machine. This is not only annoying but can cause increased wear and tear on the motor and downstream mechanisms. The problem can occur both when the servo motor is holding position, and when it is moving - although the sound characteristic may be different for each of these conditions.

Read Article

Mathematics of Motion Profiles

Mathematics of Motion Control Profiles

Trajectory generation techniques such as 7-segment S-curve profiles, asymmetric acceleration and deceleration, continuous contouring, and electronic CAMming are standard features in modern machine design. They provide engineers the tools they need to make controlled loads move faster and more efficiently. This paper will take you through the mathematics of motion profiles, discuss which profiles work best for which applications, and provide insights into how modest changes in the profile athematics-motion-control-2parameter settings can create big improvements in throughput.

Read Article