Controller Definition and 189 Threads

Today, I've been looking into TFT LCD display tech for a bit, trying to figure out how pixels are actually colored on the screen. - A) Out of necessity, because I'm trying to build a small ARM microcontroller powered board with a display on it. B) And out of curiosity, because I don't really...

I'm new to this but what I have is a brushed DC motor 36 v at 65 amp 2300 rpm that I wasn't too use for a small motor cycle project and need advice on how to control the motor speed. Please any help would be much appreciated thanks. Ed

Homework Statement I was just wondering what was the general effect on phase and gain margins when a phase lead compensator was is added to a system. Homework EquationsThe Attempt at a Solution

This is a 2 part question and I guess it applies to the brushed case as well. 1.What is the difference between an electronic speed controller (ESC) and a brushless motor controller show below: ESC: http://www.robotshop.com/en/lynxmotion-12a-multirotor-esc-1a-bec-with-connectors.html Brushless...

Hello folks, Can anyone tell me why does a PI controller uses an Anti-Windup circuit?what is the main purpose of using it?

Homework Statement Homework EquationsThe Attempt at a Solution I'm working on parts (c) and (d) now, but I will show my work for (a) and (b) for completeness. (a) Starting with the process transfer function $$ g_{p} = \frac {-1.43}{s^{2}+3.687s-7.177} $$ The denominator is factorized, $$...

Homework Statement Homework EquationsThe Attempt at a Solution Hello, I know for a second order process, the tuning parameters are given as ##k_{c} = \frac {\tau_{1}+\tau_{2}}{k_{p} \lambda}##, ##\tau_{I} = \tau_{1} + \tau_{2}##, and ##\tau_{D} = \frac {\tau_{1}+\tau_{2}}{\tau_{1} \tau_{2}}##...

Homework Statement Homework EquationsThe Attempt at a Solution Part (a) Starting with the formula $$ g_{c} = \frac {g_{CL}}{g_{p}(1-g_{CL})} $$ The controller transfer function is determined, $$ g_{c} = \frac { \frac {1}{\lambda s + 1}}{\frac {k_{p}}{(\tau_{p1}s+1)(\tau_{p2}s+1)} - \frac...

Can I coax a solar charge controller to accept output from 16 piezo transducers, (20mm buzzer type disk piezo elements). The charge controller has an LCD display with readouts for voltage and amps.

Hi,So let's start with this, I don't have a lot of electronics circuits background and not really an idea on how to build an electronic circuit. Ok, now the problem, at my job I am in need of controlling a 24VDC 0,570 Amp pump with a pot, preferably one with a "preset" in it so that the values...

Hello, I am trying to implement a simple adaptive PID controller paper. However, I am having some problems which I could not find out due to what.. Paper is the following; http://www.aedie.org/9CHLIE-paper-send/337_CHAINHO.pdf Quite simple. Using the Tagaki-Sugeno fuzzy system, in accordance...

hello there, how to tune PI, PD and PID controller according to rule of thumb?

Hello, I've written a program that executes the following control diagram. Now I am trying to calculate the PI controller gains such that I can achieve a settling time of 0.06s and a damping factor of 1. How can I do this? I tried sketching a control diagram of the relevant portions...

My project involves tangible user interfaces. I have developed a game in which the input will be any squeezable object. The input will have force sensors in it & the user's squeeze will be converted to electrical signal & characters in the game will move accordingly. Mode of squeeze is by...

I have in my home an air conditioner and his remote controller that control by IR communication so when I touch one command in the remote controller the led of the remote controller become to flick in one frequency for example 100 flickers per second and this say for example to the air...

Would love to talk to anyonw that is familiar with MKS instruments 1179A Mass Flow controllers. I have taken apart a MKS mass flow controller and am trying to fix it but I am not sure where to get replacement parts, or even what some of the parts do.Most specifically is a small block on top of...

Hello. I`m looking for help to write the coorect PID algorithm for heating controller. For start in attachment I`m sending You the graph. If someone of You can help I could send some more informations.Greg.

Homework Statement FIGURE 9 shows the block diagram of the control of an electric heatingsystem. The heater is driven from a voltage-controlled power supply, the voltage V1 being derived from a potientiometer. The output temperature, θO, is subject to disturbances, θD, because of changes in...

Hi, I'm a starter here! I am trying to build a buck converter without the use of any IC. I want to drive a single LED. Here are some calculated data: Vin =5V, Vout =3.225V, Duty circle = 0.651, L=6.8micro Henri, Switching frequency = 1.4Mhz, Desired current is 1A, I also assume ripple current...

I'm a physics student so don't do much in the way of electrical engineering, pardon my ignorance. However I'm looking at using a PID controller with a resistance thermometer sensor and heating element plant, with a reference point of some resistance on the thermometer. That is heat up a device...

Homework Statement FIGURE 5 shows a proportional plus derivative controller that has aproportional band of 20% and a derivative action time of 0.1 minutes. Construct the shape of the output waveform for the triangular input waveform shown, if the input rises and falls at the rate of 4 units...

I am trying to replace a Temp. Controller that is no more produces anymore. What are the controller properties/settings/ that I have to pay attention to. in another word, what to select a temp controller for certain application? Thanks.

I'm new to the electrical engineering field and need guidance on how I can program a PIC (PIC12F675P) controller to generate random high/low frequency noises through a amplifier (TDA2822M). The sounds I'm aiming for need to be similar to those generated by a dial up modem. I will appreciate...

Recently, I was trying to control the strength of an electromagnet with PWM over a MOSFET or IGBT with an Arduino/microcontroller. It worked but I burnt multiple MOSFETs/IGBTs while testing it, after certain time... so something must have gone wrong... I'd like to build a simple circuit, to...

I have two questions. One theoretical, and one pertaining to the homework question below. The theoretical question for which I am having trouble. When designing a controller to compensate a process using Bode Plots, why does my book seem to just use the forward loop gain rather than the...

Hi, I'm new here. Nice to meet you all. I would like to ask anyone here knows how to build a controller. Any source where i can find the schematic diagram. Any help would be appreciated.

Hi everyone, I joined this forum to hopefully get some guidance on a project I have been working on. I'm trying to either buy (or make if it doesn't exist) a controller of some type that controls a larger output wattage that changes based on the input signal from a lower wattage source: I know...

Hi everybody! I am trying to implement current control of a DC motor using a PI controller and was having a few questions. I am supplying 19V as input voltage (and capable of supplying current upto 2A) to the H- bridge and the controlling is done via a microcontroller using PWM. When I connect...

I have attached a 12v DC electric drill moter to a fishing pole. I need a 12v dc motor controler or PWM that will allow me to cut the rpm's down from 550 rpm to about 20 to 100 rpm. less then 20 would work better for bottom fishing. I believe a PWM would work but I am not sure as to a...

hello experts I want to write input and output for microcontroller in verilog langugae (8051) I have tried to write code Module mcu (clk, rst, en, p_in, p_out, t_in, t_out, i_in,i_out, rx_in, tx_out ,a0,a1,a2,d0,d1,d2,d3,d4,d5,d6,d7,a,b,s0,s1,s2,f,...etc); Rst= reset input Clk= clock...

I have a magnetic-mount heater (300 to 400 degF output) that I want to put on a pump that I wish to protect from freezing weather. However, considering that there are various components on the pump that are only rated up to 185 and 200 degF, I'd like to add some sort of temperature control...

Hi . I am modeling a sodium steam generator in Octave. I build a set of differential equations and solve them with Octave DAE solver. My model works just fine. Now i would like to start implementing controls but I am quite confused with P conroler output signal and with what it actually...

I am working on simulation and calculation of solar charge controller for lead acid battery..I simulated two solar panel in parallel along with switched capacitor dc-dc boost converter which is basically voltage doubler and it is working properly but now I need 12V on output of this boost...

Homework Statement Design a controller for the system G(S) such, that the step response to close loop transfer function has an overshoot of 0% and a settling time of less than 1 sec. Homework Equations G(s) = \frac{1}{10s^2 + 5s + 10} Controller has to be a PID controller. The Attempt...

Hi, I got this instruction given: > For each of the following three scenarios, initially assume that the East-West traffic has had a green traffic light for a long time. 1) If a North-South car is detected then the traffic lights will cycle to green in that direction. The walk light will...

I have built the following circuit which uses the comparators inside a 555 timer to control the charge of a 12 V battery from a solar panel. The circuit is adjusted (via pots R1 and R2) so that when the battery voltage gets under 12 V, the relay connects the solar panel to the battery so it...

I've carried out some testing on a PWM controller using a 555 timer IC (see attached for circuit diagram) and I am having a little trouble understanding the results. When the POT resistance is increased the duty cycle decreases. As I understand it, when the resistance is increased the voltage...

Im a second year mechanical engineer at university, we have a group project to design a robot for robot wars. To do this we have to design something called a half H bridge. I have very little understanding of electrical engineering and our electrical engineer has dropped out of uni leaving us to...

hi! actually, I am doing my computer science engineering...and i don't have more knowledge about electronics... all i need is to know is how a usb host controller works...and how can i make on my own... so that i can connect any USB devices on it ...and use it...

Hi Guy's I am building an Automatic egg turner for an old incubator .I wish to use an actuator and I need a way to control it .The egg turner is basically a set of stacked cradles that moves 45 degrees through 90 degrees and back again ,this action will need to be controlled so the actuator...

Homework Statement http://robotics.ucsd.edu/final_143b_13_version1.pdf I am stuck on problem 1a. I understand all of the concepts I am just unsure of how to determine the best possible location to place the unknown zero. The Attempt at a Solution I know that the zero must be...

I'm working on a project which deals with temperature control of a room. the idea is to control temperature within a limit. I have prior data which i used to train a neural network which is 99.5% accurate. there are 5 inputs (x , y , z , A , B) and there is one output (T). Now I want to...

I'm working on a project which deals with temperature control of a room. the idea is to control temperature within a limit. I have prior data which i used to train a neural network which is 99.5% accurate. there are 5 inputs (x , y , z , A , B) and there is one output (T). Now I want to...

Hi everyone, In the past I learned very good things about electronics and PIC controller in this forum. After that I have decided to design a circuit with a PIC micro-controller and simulated it in Proteus. However it doesn't work. Could you have a look and tell me what I am missing? The...

can we control the pulsed current flowing through a laser diode using PID controller?

In optimising the PID controller produced on Simulink, my controller has a step voltage of 100V and I am not sure if the rise time is the point where the response curve first reaches (or crosses)this point, or if it is the point where it hits the first overshoot peak?

http://tehnikservice.net/2008/02/23/fan-controller-by-ic-741/ Guys Can you please illustrate how to connect the components to this layout.. especially the thermistor and R4..thank you !

Hi, I am very interested to learn something about micro controller system and work with these. But I don't know much about this so perhaps my question is going to be very stupid one. The thing that I want to know is that what is programmer or burner in a micro controller. Is it a device that is...

Hello, I've designed a FLC controller for an UAV and I want to analyze its dynamic stability. In all "Flight dynamics and control" books I've read, the analysis is based on transfer functions of the aircraft (and exemplified on a specific aircraft like Cessna 172) and of the pilot (human or...

In the design of a State Space controller using state feedback the input to the plant is given as (where y=x & D=0): u=-Kx If there is a "reference input" then it would be: u=-Kx+r So the state feedback without the reference input simply drives all of the state variables to zero. When there is...