Control Moment Gyroscope Transfer Function
Question about the methodology of determining the transfer function of a control moment gyroscope.
Lossy NC Contact Blocks on Pushbuttons
Should I replace Estop buttons that are not reading 0 ohms Normally Closed?
By rootboy on 23 January, 2015 - 3:11 am
Have an assistant jumper across the contacts while you are measuring voltage at the coil. If you...
basic differences between contactor and relay?
By pvbrowser on 16 January, 2015 - 4:03 am
> The distinction of ... > Contactors often have auxiliary contact sets suitable for much...
I am new in the field of automation. Could anybody tell me the difference between PLC and DCS other than I/O handling capacity?
What is the easiest way to strip a HART signal?
By Roy Matson on 9 January, 2015 - 1:15 pm
If your HART signal is indeed interfering with the analog input how about sharing the information...
By Jorge Muñoz on 9 January, 2015 - 9:27 am
I am sorry for my English. You don't have problems with hart signal because the average...
Next Steps for Robotics Controls Engineer
Looking for advice on how I should approach my next career step.
trying to save energy with a VFD on a constant centrifugal fan load.
i need a user manual for Aeg minisemi dc drive.
Different Ways of Calculating Instantaneous Torque From a Servo
Posted by John Alperto on 8 December, 2014 - 7:52 pm
I want to calculate the instantaneous torque from a servo. I was wondering if this can be done using the current draw, or externally using an accelerometer.
By William Sturm on 9 December, 2014 - 7:03 pm
I guess if you know the motor torque and the mass of the arm, then F=MA + Torque. Or just F=MA...
By John Alperto on 9 December, 2014 - 12:11 pm
Unfortunately I'm on a budget, and can't afford a rotary torque transducer (everything I've seen is...
By William Sturm on 9 December, 2014 - 8:29 am
With a typical industrial servo drive, there is usually an analog output available proportional to...
Rexroth servo drive and SEW motor
Running an inverter duty 3 phase motor with Rexroth indramat servo controller.
Opinions Needed on Servo Drives/Motors
Emerson vs. Kollmorgen vs. Bosch Rexroth servo motors and drives over EtherCAT.
Why IRP Used for Interface Between DCS and MCC
Why is an IRP panel is used between DCS and MCC?
By McRajadurai on 16 December, 2014 - 1:38 am
IRP houses Interposing Relays. The reason for using interposing relays are: 1) To electrically...
Looking for feedback on the Tolomatic ACS stepper controller/driver.
question on induction motor and overheating
By Damien Herold on 9 December, 2014 - 2:32 pm
I am thrilled that my motor does not overheat with a 7.5 drive pulley. Thanks for the input though....
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 richard tuhro on 5 December, 2014 - 11:26 pm
I have never tried this but have made alternators into motors by exciting them with 3 phase. ...
Motor Speed Increased After Replacing PLC CPU
After replacing Omron CS1H-CPU67 PLC CPU unit servo motor speed increased.
By PLC Engineer on 1 December, 2014 - 11:40 pm
Check the clock cycle frequency. if it has changed or not. Normal effects would be effected...
GULDE control valve site?
Calculate the Speed of Conveyor.
Calculating the speed of a conveyor belt, using Allan Bradley Powerflex 40. Converting Hz to km/h.
By Curt Wuollet on 18 November, 2014 - 9:37 pm
You need a way to equate RPM to velocity. This involves finding the speed ratios of any gearboxes...
By Bob Peterson on 18 November, 2014 - 12:23 pm
The drive does not know what the linear speed of the conveyor is. Ut only knows what frequency it...
Calculating Motor Specifications To Run a Conveyor
How to calculate specifications for motor to run conveyor system?
Hydraulic Proportional Valve Pressure
Pump pressure when there is a pressure drop in hydraulic proportional valve.
Asynchronous motor axial thrust
Radio controlled lawn mower
Can anyone help with advice on the parts needed for a radio-controlled lawnmower I am about to build?
Brushless DC Motor's Peak Torque
Peak Torque calculation for BLDC motor
Detecting Particles in Metallic Yarn
Detection of Metallic particles in Fabrics containing Metallic Yarn
Change Direction of Baldor SBSC1115 Servo Motor
How to change the direction of the Baldor servo motor in the Servo Controller SBSC1115?
By PLC Programmer on 2 November, 2014 - 9:06 pm
The Operators Manual will clearly pin-point a Forward / Rev Contact in the control cable. Please...