Karry Yu

Quick Answer Motor design directly affects the torque, speed, acceleration, positioning accuracy, efficiency, thermal performance, noise, and service life of a robot joint. For robotic applications, the motor should not be selected only according to rated power; engineers need to evaluate the motor’s torque constant, winding configuration, rotor inertia, operating speed, gear ratio, feedback system, […]

As data centers deploy more AI servers, GPUs, and high-density computing systems, managing heat has become a critical engineering challenge. Traditional air cooling may not provide sufficient cooling capacity for high-density racks, making liquid cooling an increasingly important solution. At the heart of many liquid cooling systems are data center cooling pumps, which circulate coolant

Quick Answer: Planetary Gearbox vs Spur Gearbox The main difference between a planetary gearbox and a spur gearbox is how the gears transmit torque. A planetary gearbox uses a sun gear, multiple planet gears, and a ring gear, allowing torque to be distributed through several gear meshes. A spur gearbox normally uses one or more

Selecting a BLDC motor and a motor driver as separate components is not simply a matter of matching the rated voltage and current; the driver must also be compatible with the motor’s phase configuration, feedback method, electrical characteristics, speed range, torque requirements, acceleration profile, and thermal operating conditions. For OEM equipment, a correctly matched BLDC

Quick Answer When selecting a BLDC motor driver circuit for automotive applications, engineers should evaluate the complete electrical and mechanical operating requirements rather than looking only at nominal voltage or rated current. Key features include compatible DC voltage, sufficient continuous and peak current, three-phase commutation, Hall sensor or encoder feedback, speed and torque control, current

When engineers compare aluminum housing vs steel housing motors, thermal conductivity is usually the first specification they examine, but it should not be the only one. Aluminum generally transfers heat through the motor housing much more readily than steel, while the actual operating temperature of a motor depends on the complete thermal path, including winding

Quick Answer BLDC motors are increasingly used in AGVs because they provide high efficiency, compact size, precise speed control, low maintenance, and long operating life, making them well suited for battery-powered mobile equipment that must repeatedly start, stop, accelerate, decelerate, and change direction. Compared with brushed DC motors, a BLDC motor uses electronic commutation rather

Choosing between a 24V BLDC motor and a 48V BLDC motor is not simply a matter of selecting the higher voltage. For an engineer, the correct choice depends on required mechanical power, continuous and peak torque, operating speed, controller compatibility, battery architecture, cable length, thermal conditions, duty cycle, and the available installation space. In general,

For most BLDC motor applications that primarily require reliable electronic commutation and basic speed feedback, Hall sensors are usually the preferred choice because they are simple, compact, cost-effective, and sufficiently accurate for six-step commutation. An encoder is preferable when the system requires substantially finer rotor-position information, accurate speed regulation, closed-loop position control, low-speed motion control,