Bench Talk

Unique Piezoelectric Motor and Driver Solutions

On 一月 20, 2025 in All, General, Motor Control by Bill Schweber

Piezoelectric motors use unique physics for precise, high-speed motion. They require high-voltage drivers tailored for capacitive loads, unlike current-driven electromagnetic motors. Their non-metallic nature and direct drive design offer distinct advantages ideal for many applications.

Tagged With: capacitive load, driver, high voltage, inchworm mode, piezoelectric actuator, piezoelectric effect, piezoelectric motor

Optimized Traction Motors

On 十二月 30, 2024 in All, General, Motor Control by Bill Schweber

Traction motors are designed to handle frequent starts and stops under load. They operate across a wide speed range, in contrast to industrial motors, which are optimized for more stable operating conditions.

Tagged With: ac motor, acceleration, asynchronous motor, bogie, brushed motor, brushless motor, cooling, dc motor, electric vehicle, elevator, horsepower, igbt, light rail vehicle, locomotive, lrv, mosfet, motor, motor driver, multiphase, permanent magnet, synchronous motor, torque, traction

New Tech Tuesdays: Tackling Design Challenges Through Isolation

On 十二月 3, 2024 in All, Automation, Automotive, Industrial, IoT, Low Power, Medical, Motor Control, New Tech Tuesdays, Robotics, Sensors, Wireless by Rudy Ramos

Analog Devices' MAX22666 makes it easier for engineers to tackle tough design challenges in safety, durability, and flexibility, allowing them to focus on building reliable, high-performance systems that can meet the demands of today and tomorrow.

Tagged With: adi, analog devices, digital isolator, electronic design, flexibility, galvanic isolation, integrated circuits, max22666, robustness, signal conditioning, system safety

Getting to Know Linear Motors

On 十一月 27, 2024 in All, Automotive, General, Motor Control by Bill Schweber

The widely used linear version of the rotary BLDC motor offers distinct advantages, despite several caveats. By eliminating issues like backlash and variable losses associated with mechanical transmission components, linear motors are ideal for applications needing high precision and responsiveness.

Tagged With: bldc, brushless, coils, electromagnetic, induction, linear motor, maglev, rail gun, rotary motor, rotor, stator

Understand Motion-Trajectory Profiles for Effective Motor Control

On 十一月 20, 2024 in All, General, Motor Control by Bill Schweber

This blog explores the distinctions and implications of unipolar versus bipolar drive configurations for stepper motors, highlighting their differences in wiring, performance, and applications. Gain insights on effective motor control for optimized system performance.

Tagged With: motor applications, motor configurations, motor control, motor controller ics, motor optimization, motor performance, motor wiring, precise motor control, stepper motors, unipolar vs bipolar

Connecting Sensors for Oil-Cooled Motors in Electric Vehicles

On 十月 21, 2024 in All, Automotive, Connectors, General, Motor Control by Molex

Electric vehicles need advanced thermal management. Oil cooling has become the dominant technology for EV motor cooling and is also being applied to batteries and power electronics. Molex provides the pass-through connectors that designers need for these latest cooling technologies.

Tagged With: battery management, electric vehicles, ev motor cooling, evs, molex, mx150 pass-through sealed connector, oil cooling, oil-cooled, oil-cooled motor sensors, pass-through connectors, thermal management, thermal runaway

Unipolar vs. Bipolar Drive for Stepper Motors

On 十月 3, 2024 in All, Automotive, General, Motor Control by Bill Schweber

Examine the technical nuances of unipolar and bipolar stepper motors, with an emphasis on how their unique wiring and drive configurations impact motor performance, efficiency, and application suitability.

Tagged With: bipolar drive, coil inductance, motor drive, motor inductance, stepper motor, torque, unipolar drive

The Road Ahead with UAM

On 九月 20, 2024 in All, Automotive, General, Motor Control by Alistair Winning

The first batch of urban air mobility (UAM) designs are currently prototyped and going through the certifi-cation and testing process, but evolving technology promises more in the future.

Tagged With: air taxis, autonomous, ehang, electric, flying cars, motor, navigation, powertrain, rotor, safety, technology, uam, urban air mobility, urban air mobility vehicles, volo-copter

Basics of Motor Field-Oriented Control

On 九月 13, 2024 in All, General, Motor Control by Bill Schweber

This blog discusses the evolution and application of field-oriented control (FOC) in efficiently controlling the torque and speed of three-phase AC motors, addressing its computational complexity and growing practicality in various industries.

Tagged With: blaschke, bldc motor, clarke transform, field-oriented control, foc, instaspin, park transform, quadrature current, sensored foc, sensorless foc, stator control, stepper motor, vector control

New Tech Tuesdays: A New Era in Retail Logistics

On 九月 10, 2024 in All, Connectors, Dev Tools, General, IoT, Medical, Motor Control, New Tech Tuesdays, RF, Sensors, Wireless by Rudy Ramos

Drone technology is revolutionizing retail logistics by enabling unprecedented delivery speeds, expanding the retail sector’s capabilities in efficiency and convenience, and redefining customer’s expectations for zero-emission 30-minute deliveries.

Tagged With: autonomous delivery systems, beyond visual line of sight, drones, fast delivery service, lidar calibration, online retail logistics, platform 2, texas instruments tlv3604, walmart drone delivery, zero-emission delivery, zipline drone technology

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