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How can I know the gyro sensor type No., specification of mobile devices in market now?
Is there any test comparison report?
Which brand and model offers gyro sensor which is the highest precision and quality?
Best Regards,
David
I am learning motor control in matlab and simulink.
I use dual loop to control motor in simulink.
Inner loop is velocity loop along with PI controller, outer loop is position loop along with PI controller as well.
But I wish the velocity curve of motor motion is trapezoid.
It means I can set the...
I have a DC motor that have datasheet.
This datasheet is contained all motor parameters, such as R, L, Kt, J, B, Ke, Fs...etc.
But, the motor is connected to a gear box and metal plate.
I have tried to derive its parameters that motor connect to a gear box and metal plate.
I assume the...
Hello,
I use a NI-7344 Motion control card in my lab.
In labview, it offers NI-Motion software and I can control the motor along with many parameters.
I would like to build a simulation experiment before execute any motor movement.
But, I do not know the control frame of NI-7344.
Does any body...
I have a NI-PCI-7344 Motion control card.
There are 2 PWM output.
But, I would like to drive a brushless 3 phase motor.
How can I design a system that converts one PWM to 3 phase PWM for brushless motor?
Can I use TMS320F2812 DSP chip?
Could you tell me some advice in detailed?
Thank you very much.
I have 3 PCs, that have to play video file at the same time, resspectively.
But, there is non-sync problem in multi PC video playing.
Do you know how to solve this problem?
Dear sir, I use ss2tf function in matlab. Its output values input to tf2ss function. But the result is not equal to the original input. (A1,B1,C1,D1) IS NOT EQUAL TO (A,B,C,D.)
What wrong is it?
clear;
A=[0 1 0;0 0 1;-9 -8 -7];
B=[7;8;9];
C=[2 3 4];
D=[0];
[num, den]=ss2tf(A,B,C,D,1)...
If I only have a Signal Generator and Spectrum in my lab.
How can I measure a RF component as a Network analyzer by Signal Gen. and Spectrum?
How to get it phase delay?
I make a circuit as below link.
File:NPN Colpitts oscillator collector coil.svg - Wikipedia, the free encyclopedia
The ideal output is 50MHZ sinusoid wave as mentioned.
The inductor is 150nh, but in which freqency?
I use RLC meter to measure it, the value of inductance is varied by freqency...
If there is a OPA, Input is connected to V- via R1, and R2 is connected from Vo to V-, and V+ is connected to Ground.
Av_c(The Gain of Close loop)=-(R2/R1)*1/((R2/(R1*Av_o))+(R2/Zin*Av_o)+(1/Av_o)+1), Av_o is the Gain of open loop of OPA.
Do you know how it derive from?
If I have a motor and uses a DSP card, amplify to control it.
The software can be set paramaters (position, velocity, acceleration, P, I , D...etc.)
I can record its motor realtime position value that was readed by the encoder.
Is it possible that I can calculate its Transfer function in terms...
I used AT89S52 in my project, that is to implement a clock system.
I used Timer 0 to produce 0.05 second interrupt interval,
and used a for-loop to multify 20, that can make one second period.
I refered the formula, Interval Freqency= F(osc)/(32*65536-(TH0,TL0))
And put this formula to Excel...
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