from the Custom Cabling department...Making extension for Molex P4 connector
Need to extend supplied cables that connect Adjustable Height Table legs to Controller Box.
from the Forum department...Precise Position Control of Brushless DC Motor
Position Control of BLDC Motor with resolution of 1 degree. How to achieve it?
By Rolf Anderson on 7 March, 2014 - 1:57 pm -
> We routinely position servo motors to within 2 counts out of 2x10^6 counts/rev > of the...
from the Forum department...Bldc motor jerking at startup
Bldc motor jerking at startup, but once moving it is running smoothly.
from the serious department...BLDC Motor Load Test
When testing motor with load curren rapidly decreases when speed goes from 2500RPM to 3000RPM.
By nick on 3 March, 2014 - 7:33 am -
> Maybe such current changes with speed from 2500RPM to 3000RPM is a load > phenomena? What...
Maybe such current changes with speed from 2500RPM to 3000RPM is a load phenomena? What kind of...
from the Forum department...Avon 1535 Servo Actuator
Replacement of Parker Electro-hydraulic servo actuator with Parker Electric servo actuator for fuel control in Avon 1535
By Ray Ream on 27 February, 2014 - 9:05 pm -
We manufacture high torque electric actuators can you send me a spec sheet on the valve you are...
I don't believe it is possible to replace the hydraulic actuator on your existing Fisher metering...
from the Automation List department...contactor or relay?
basic differences between contactor and relay?
By G. Borges on 26 February, 2014 - 2:01 pm -
The distinction of a relay as switching AC (almost always only single phase) or DC pilot/control...
from the Automation List department...Hitachi DC motor info
Is there any data sheet related Hitachi DC motor
By rr on 23 February, 2014 - 12:01 pm -
Anybody have the schematic for the connection to encoder?...
from the Forum department...How to control speeds of 3 dc motors
How to control speeds of 3 dc motors using s7-200 plc.
By Steve Myres on 19 February, 2014 - 9:56 pm -
Assuming a small hp or fractional hp motor, possibly permanent magnet from Bodine, Leeson, Bison,...
The Interface between PLC S7-200 and speed controller for DC motor must include Analog speed signal...
By Bob Peterson on 19 February, 2014 - 11:48 am -
As you noticed, there are several different ways to do so. A lot depends on your application, the...
from the Forum department...Free/Open Source PID Auto-tuning Software
Looking for free auto-tuning software.
By Juan Gonzalez Burgos on 7 February, 2014 - 10:16 am -
Try this FREE tool http://www.dotxcontrol.com/en/downloads/software.html...
from the Software smithery department...CIP Firmware
Adding an Ethernet/IP Stack to a micro controller.
from the Forum department...VFD Control using Pump Smart only
Pump control using Pump smart Only
from the Forum department...Arduino as a dc motor controler
Limits of Arduino as a servo controler
from the Forum department...Advantage of Wet Contact vs Dry Contact
What are the advantages of Wet contact and Dry contact over one another?
Newbie, There is a 'Search' field cleverly hidden in the far right corner of the Menu bar at the...
from the gad trubine control system department...moog servo valve operation
How does a MOOG servo valve operate?
Antonio Perez, You are most welcome, and thank you for taking the time to say thanks!...
By Antonio Perez on 13 January, 2014 - 1:34 am -
Thanks alot CSA for taking the time to share your knowledge and experience with us, my respects to...
from the COMMUNICATION department...GENERATOR LOAD
A 60KVA Generator can't pick a load of 35KVA
from the Forum department...6ra70 drive fault f005
siemens 6ra70 drive showing fault f005 fault value 3(p047)
from the Forum department...Simplest way to make a current controller
How to make a simple torque control system for a mini dc geared motor?
You can create a current "sensor" by making a coil loop which you then put your power...
from the Forum department...Is the system stable ?
Please tell me if the system with following open loop transfer function is stable? Marginally stable? Or unstable?
H(s) = 1/(s*(s+2))
H(s) = 1/(s*(s+2))
By John M. Correa on 30 December, 2013 - 5:31 pm -
If the input is a step in time, then this input in Laplace domain is 1/s. So the output (or...
By Hans H. Eder on 30 December, 2013 - 8:56 am -
There is no need to do any transformations etc.: H(s) = 1/(s*(s+2)) can be written as H(s) = (1/s)...
By Gerrit on 30 December, 2013 - 6:40 am -
If you are talking about stability, you have to know or define exactly what that means first. This...
Miller... by now you should have ploted the h(t) equation! Note that the time-function meets...
By d- on 28 December, 2013 - 2:02 pm -
"Please tell me if the system with following open loop transfer function is stable? " ...
Miller... Plot it! Phil...
> you can only consider "stability" in a traditional sense where you have feedback. ...
Miller... try the Inverse using The Partial Fraction Method! Phil...
By d- on 27 December, 2013 - 1:31 pm -
you can only consider "stability" in a traditional sense where you have feedback....
By Miller on 27 December, 2013 - 11:57 am -
> What response to you get when you plot the time-related function? Well, There is a pole at...
Miller... responding to your specific query... it is stable! What response to you get when you...
from the New technology, Old problem... department...Using an Automotive Alternator as a Motor
Can an automotive alternator be supplied with a synthesised three phase signal to make it into a motor to start an engine with?
By Charlie5000 on 28 December, 2013 - 6:23 am -
RC models use a component called an ESC with DC input, 3-phase AC output and PWM speed control...
from the Instrument &Control department...Control Valve Positioner Action & Travel Scale
Control Valve FF positioner (Masoneilan FVP-110) Action (Direct/Reverse) and travel scale range.
I also read the reference manual for FVP-110. Currently ACT_FAIL_ACTION parameter is set as: ...
By Jim Delaney on 8 December, 2013 - 8:02 pm -
1) >ACT_FAIL_ACTION for ATO is fail to Close. (as per project Instrument Data Sheet) 2)...
> What are the settings in parameter ACT_FAIL_ACTION for the ATO and ATC positioners? ...
By Jim Delaney on 5 December, 2013 - 10:09 am -
What are the settings in parameter ACT_FAIL_ACTION for the ATO and ATC positioners?...
from the Forum department...Inverted Pendulum Balancing
I have some theoretical questions about a problem with Inverted Pendulum Balancing
Any further help or tips about how to tune an LQR is still needed and will be very appreciated!!...
from the Gray Hair department...BLDC speed range
How to increase maximum speed of a brushless DC motor?
By Johan on 5 December, 2013 - 2:52 am -
>Some questions before all: > 1. Do you not limited by DC bus with actual back-EMF ratio? ...
By William Sturm on 3 December, 2013 - 12:41 pm -
I think you are on the right track with phase advancement. A phase offset could easily account for...
Perhaps try implementing a shallower ramp up/ramp down to your desired speed. Electric motors...
Some questions before all: 1. Do you not limited by DC bus with actual back-EMF ratio? 2. Do...
from the SCADA Automation Department department...MODBUS RTU code for STM32F103 through Keil uVision 4
MODBUS RTU implementation path and code for STM32F103 through Keil uVision 4.
By albert on 3 December, 2013 - 10:27 am -
i use 74hct4538 as monostable multi-vibrator for sending data through adm485....
If this is timesharing, give me my share right now.