Control.com - Nerds in Control

One of our engineer did a application its a vertical axis,servo motor connected with a ball screw....

Some technologies have been in development for years, but only a few enjoy commercial success.

Problem winding paper onto a spindle when the spindle motor is in "torque mode"...

i want to know how bearings of motors driven by vfd, worn out early than motors runs with normal speed.

i asked about the effects of carrier frequancy on the pwm ac drives. And what happens if it increased or decreased.

Need to convert transfer function of PMDC motor

Has anyone successfully used a traditional DCS for closed-loop pressure control where fast-acting hydraulic servo valves are the final control element?

friction drive accuracy...

About implementing a PID Position controller algorithm to control a PMSM motor with trapezoidal speed-time response.

I ran across a guy recently that I have known for nearly 20 years, but had not seen for a year or two. He is now selling insurance, having decided that there is no real future in the industrial automation business.

Can anyone guide me where I can study how to construct a analog PID circuit practically to control a dc motor?

determine hp of motor.

2-day servo training addresses posted concerns...

What is the significant value by using a higher resolution encoder over a lower resolution in a motor (specifically in a stepper motor)?

I need a formula which could plot circle given center and radius.

I'm developing a homemade Plotter with small permanent magnet DC motors and incremental encoders; using independent proportional velocity control loop for each axis.

Could anybody plz give me the transfer function of Brush less DC (bldc) motor!
Is it same as that of for commutated DC motor?

CNC Unit doesn't accept Inductosyn type inputs

Questions about stiffness in motor rotor and integrators in speed loops

i am trying to obtain the transfere fuction of the motor of a d.c servo...

Does anyone have experience or suggestion how to predict the torque of a servo motor by measuring the input current to the servo motor...

Need a good servo tutorial for mostly AC type motors.

can i use a logo for controling x and Y axes moment.

Are you using SERCOS for Motion Control? Why should I? Is it the future?

Need some info. about G-Codes

Interested in motion control or CNC retrofit.
Have you got any idea for interpolation using PLC control instead of CNC.

Can anyone guide us in creating a punched tape for a G&L CNC 800 Control containing the machine constants?

I want to learn from earlier experience and accuracy achieved by using Asynchronous AC induction motors as an axis drive in Close loop
control for CNC machine tools.

Looking for guidance on what to charge for writing Visual Basic applications as a freelancer

I have a linear motor working in force control mode. I want to have a rough math model to this motor from reference current to the position...

Convertor for AC Motor to reduce the speed

need to find a way to maintain a uniform delivery rate when driving a soil penetrometer into the ground

I need help how i calculate times of rizing, falling and constant jerk...

Here is the transcript of the Seventh Annual Motion Control Forum (Sept. 2001), which brought together 10 top executives from the Motion industry to discuss the issues of the day.

I am working on the sizing machine which have three DC motors...

Does anyone know where I can get information on the "new" IEC Motion Control standards, programming tools, function blocks, etc?

I am generally familiar with inputting a CNC program from a terminal to a Fanuc CNC. What I would like to know is if there is a way to send a command and have the CNC return actual position, target position, velocity, current block...

I want to know how to convert a high current(about 10A )to voltage. ...

This paper shows how to compute the
motor/load time constants for standard DC motors and 3 phase AC brushless.

"Working With Servos" seminar will be suspended until the economy improves. The 2 day (with an optional 3rd day) training seminar on servo basics and the practical application of servos will still be taught in-house during the 2001/2002 season. ...

Looking for motor information

I need to replace the cn unit of my milling machine with a pc based control.

Definition of Absolute Position Control?

I have been going through recent posts, in the light of this announcement and it has raised a number of concerns about the way this project has been 'run' from the start. ...

Two motors in one !

Control tension by OMRON PLC

A confused beginner needs help choosing a servo motor.

> Power blocks are available from several vendors
where they supply only the transistors and heat sinks.
> All logic, loop closures, and compensations are done
within the main controller. On the surface, this
> looks less expensive, but the additional application
effort will more than offset the lower hardware
costs. <

That would depend on the level of expertise of the
integrator with the individual controller. ...