Latest Motors Technical Articles

In this article, we explore the advantages of introducing an air gap to the magnetic core of an inductor.

In this article, we explore the advantages of introducing an air gap to the magnetic core of an inductor.

In this article, we learn about core saturation and why it should be avoided in most applications. We then examine how…

In this article, we learn about core saturation and why it should be avoided in most applications. We then examine how different ways of defining permeability can help us predict the saturation flux density of a magnetic core.

The hysteresis effect is one of the main sources of loss in ferromagnetic materials. In this article, we learn to…

The hysteresis effect is one of the main sources of loss in ferromagnetic materials. In this article, we learn to calculate the hysteresis loss of a magnetic core and work through some example problems.

In this article, we use the concept of magnetic field energy to explore the relationship between a core's hysteresis loss…

In this article, we use the concept of magnetic field energy to explore the relationship between a core's hysteresis loss and its B-H curve.

In this article, we explore the effect of dimensional resonance on the magnetic field distribution in high-frequency…

In this article, we explore the effect of dimensional resonance on the magnetic field distribution in high-frequency ferrite cores.

The formation of eddy currents can cause problems for magnetic cores at high frequencies. To mitigate these undesirable…

The formation of eddy currents can cause problems for magnetic cores at high frequencies. To mitigate these undesirable effects, we first need to understand them.

This article examines three different types of magnetic materials and how they react to an external magnetic field.

This article examines three different types of magnetic materials and how they react to an external magnetic field.

This article discusses the following basic concepts related to magnetic materials: the magnetic dipole moment,…

This article discusses the following basic concepts related to magnetic materials: the magnetic dipole moment, magnetization vectors, susceptibility, and permeability.

Though both standards have long been used for serial communication, RS-485 offers valuable features that aren't available…

Though both standards have long been used for serial communication, RS-485 offers valuable features that aren't available from RS-232. Learn more in this article.

Current sources are less familiar than voltage sources like batteries and AC wall power. Current sources usually are…

Current sources are less familiar than voltage sources like batteries and AC wall power. Current sources usually are buried, unseen, inside electronic circuitry. Learn what they are and how they are designed.

Learn about the role of non-overlapping or complementary pulse width modulation (PMW) in DC motor control using an…

Learn about the role of non-overlapping or complementary pulse width modulation (PMW) in DC motor control using an h-bridge circuit, taking into consideration PWM shoot-through and dead-time PWM.

In this short project article series, we will implement a simple PID controller using LabVIEW on a hobby DC servo motor…

In this short project article series, we will implement a simple PID controller using LabVIEW on a hobby DC servo motor and the NI myRIO.

We’ll discuss some important layout and manufacturing concepts as we look at the PCB for the Robot Control Board.

We’ll discuss some important layout and manufacturing concepts as we look at the PCB for the Robot Control Board.

In this short project article series, we will implement a simple PID controller using LabVIEW with a hobby DC servo motor…

In this short project article series, we will implement a simple PID controller using LabVIEW with a hobby DC servo motor and NI myRIO.

In this project, the reader will learn how to build and program a desktop industrial automation trainer for…

In this project, the reader will learn how to build and program a desktop industrial automation trainer for experimentation in robotics, motor, and process control system concepts on their workbench.