Questions tagged [controller]

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1answer
35 views

I want to make my old wired controller wireless [closed]

I have a retro console set I want to make it wireless.i have no idea in this field.please help here's image attached:-
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0answers
19 views

Replacing an analog pot with a digi pot in a flying drone controller

I'm working on a project at the moment and I'm supposed to change the analog pot on the controller with a digi one. My question is does installing the digi pot changes anything in the controller ...
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3answers
41 views

Star Delta Starter control with Arduino

I don't have any experience with star delta starters but on doing some research I concluded that 2 push buttons(NO and NC) are required to turn on or off the system. I have a pump which is star delta ...
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0answers
25 views

Model reference adaptive controller

I have designed a model reference adaptive controller for which I have obtained the step response for different values of adaptation gain. I have attached the output graph obtained. Can anyone please ...
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1answer
57 views

Problem in selection of state variables of inverted pendulum

I was reading about controller design from the book Control System Design, An Introduction by Bernard Friedland. In one of the examples of controller design for an inverted pendulum, the author ...
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0answers
47 views

Controllability and observability from given transfer function

Is it possible to determine whether system is uncontrollable or unobservable or both from given transfer function in which there is pole zero cancellation? for ex.transfer function like this Or it ...
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1answer
44 views

What is significance of these variables in given block diagram of system

This figure is from book by Norman S. Nise and can anyone explain me following variables and their effect on the system 1.'r' , as far as I know it is reference and here author considered its value ...
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2answers
55 views

4.4V Li-ion polymer battery

I accidentally broke down the charge controller on my new Powerbank. However I am left with a brand new unused 20.000 mAh Li-ion Battery. Which I was planning to hookup to a new charging module/...
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1answer
36 views

Wiring LED driving lights powered from two separate switches and a common power source for two mode operation

I need to wire a total of four LED driving lights (12 volt, 40 watts per light) that I need to control as two pairs (2 left lights / 2 right lights), with each pair switched by two different means, ...
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1answer
61 views

Is transformation from one state representation to other state representation changes the transfer function of the system

I was reading about designing of controller by state state model from book by Norman S. Nise And author suggested that if state space representations given in problem are of form other than phase ...
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0answers
44 views

Controller design

I was reading controller design using State space model from book by Norman S. In that topic, the author suggested to design controller by converting given state space represention into phase variable ...
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0answers
27 views

How did they calculate the input variable's fuzzy set in this Wikipedia article?

I am looking to understand the fuzzy logic controller ,so I can design an adaptive fuzzy PID controller for an AC/DC converter. Wikipedia "Fuzzy control system" article. Here we see the ...
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0answers
72 views

What is this IC “30=N26” in Philips hue garden light

I'm hoping to identify the IC in this Philips Hue garden light controller, in order to replace it. Suggestions on how to identify what it is, would be greatly appreciated.
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3answers
112 views

Controlling Proportional valve with NPN transistor (TIP 122) using PWM

We are working to control the proportional solenoid valve (9C, 2W) (VSO by parker, datasheet) by changing the voltage across it. For this we are using PWM from the controller, thus changing the ...
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0answers
54 views

Slope Compensation - about the slope value

I read an article on EDN about slope compensation written by Sergio Franco. Here it is : https://www.edn.com/slope-compensation-in-pcmc-dc-dc-converters/ It takes the case of a buck converter. It ...
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1answer
45 views

Electric scooter

my daughter has trouble depressing the switch on the board to make the scooter go, is there anyway I can wire a throttle to this controller, I can't find the wireing diagram for it so I'm stuck, any ...
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1answer
48 views

Current Theshold Pin of Flyback Converter controller

I am designing a PoE PD with integrated flyback converter controller based on LT4295. I understand most of it but the ITHB Pin (current threshold pin for primary MOSFET) gives me headache. I do not ...
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1answer
33 views

Is it possible to control MPU6000 with Maxon controller Board? [closed]

I am developing a robotic wrist in which I have two DC Motor+encoder pairs connected to a Maxon Escon Module 50/5 each. To control that the output of the wrist is correct, I want to place an IMU unit ...
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1answer
51 views

4 layer PCB controller below layer query [closed]

I have designed in 4 layer PCB. My Controller placed on the PCB top side / first layer. 2nd layer full ground plane. 3rd layer Power plane (fill or not? please confirm.) 4th layer ground fill.
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0answers
22 views

Power Converter Control Platform for Commercial Use

I'm designing a power converter for commercial use and I've been struggling to find a control platform that meets the typical industrial standards and can be used to do the control of the whole device....
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1answer
130 views

overcharging issues in MPPT solar controller with NO output leads

My MPPT solar controller has no output leads. It contains only the (+,-)leads for battery and solar panel. Input is from the solar panel and output goes to battery.Therefore, I have to connect my load ...
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0answers
45 views

Building Temperature Control for Cotton Candy Machine

I want to build a temperature controller for a cotton candy machine. The model I have is: Carnival King Cotton Candy Machine I was thinking about building a PID control circuit with an SSR but ...
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1answer
74 views

Wireless RGB led controller circuit with motion sensing - design feedback

Beginner hobbyist here. I would appreciate some design feedback. Purpose of this circuit: It controls an RGB LED strip (5 Meters, SMD 5050) via an IR remote and also automatically powers on/off the ...
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0answers
63 views

USB 2.0 Signal Integrity Using HSETT

I am trying to test USB 2.0 Signal integrity (Eye Diagram). For doing that, USB IF Forum lets you download the EHCI HSETT Software from their website. However, I am not able to use it due to one ...
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1answer
63 views

RS-550 DC motor controller 24V (35-70) A working range and a stall of 120A

I am currently designing a motor controller for a SUMO robotics challenge. Each of a two motor setup exhibits a (0.15-0.40) N.m torque resulting them pulling (35-70) Amps nominally and a peak of 120 ...
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0answers
34 views

LED room lighting 15m

I want to decorate the ceiling of my room with LED strips. This would be a total of 15 meters (3 * 5 meters) of LED strips, The led stripes have 60 leds per meter IP30. my plan was that I could ...
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1answer
106 views

What is this IC “30=70H”?

I'm hoping to identify the IC on this Philips Hue lightstrip controller in order to replace it. The IC blew after a barrel connector head used had it's polarity reversed, so 24V went in the wrong way ...
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0answers
536 views

Using Solar Charge Controller with AC Power instead of Panels

I'm working on a project here which needs to have a small SLA backup battery. I have a cheap PWM solar charge controller already and I want to use plugged into an AC power supply (48V DC out) in ...
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1answer
116 views

Low voltage switch (12v)

I am looking to build a circuit that will control a 120v battery charger through a relay, the circuit should turn the relay on when the battery goes below 11 volts and turn off the relay when it gos ...
0
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1answer
35 views

Power Factor Correction Controller IC limits

I've been considering throwing in an active PFC circuit into a high power PSU (about 5kW max surge at 240Vrms, 1400W typical), and while looking for an easy to use, low passive count controller, I ...
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1answer
38 views

Difficulty stabilizing a system using sisotool on Matlab

I am trying to design a controller for a synchronous buck converter by using the siso tool on Matlab. The inductance value is 1.28mH, the filter capacitance is at 4.8uF and the load is a 240Ohm ...
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1answer
231 views

Lag compensator vs pi controller?

Although Lag compensator and pi controller have apparently samd function of improving steady state response But how can we decide?which one to use?
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0answers
16 views

Lead compensator vs pd controller?

I have already studied that lead compensator is apparently similar to pd controller for both improve transient response But how can we decide?which one to use?
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1answer
54 views

Equivalent compensator of pid controller?

As we know that pi controller is equivalent to lag compensator and pd controller is equivalent to lead compensator, so what will be equivalent of lead-lag compensator?
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1answer
196 views

How can I get/build a current controller/amplifier?

Background: I have a Lorenz-actuator (coil+magnet) that I need to control precisely using a computer. The computer signal is output from a dSpace microLab box as an analog ±10V signal. This signal ...
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2answers
106 views

SMPS controller duty cycle resolution

when reading the datasheet for some SMPS controllers like the lm25116, I can see that they operates around 1MHz, but nowhere we can find their duty cycle resolution: 8bits, 12bits, 16bits ? So I'm ...
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1answer
58 views

Powering ETH Controllers

I began working with Ethernet controllers and there is a recurring theme that keeps confusing me. Currently I am incorporating the KSZ9031RNX into my design. The data sheet calls for digital and ...
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2answers
82 views

Looking for a button-controlled on/off PMIC akin to those in laptops [closed]

I'm designing a circuit for a custom event console (SMPS', chip reader, screen, controllers, NFC,..) which I would like to power on/off in the same way a laptop or tablet is powered on/off (hold ...
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1answer
143 views

Does the drive strength of a GPIO pin alter with change in temperature?

In low temperatures the functionality of the I2C is being affected, but the slave is working properly and the temperature is also within limit of slave. For that reason I suspect the drive strength. ...
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1answer
76 views

high current UPS ish design

This is my latest attempt to try building a ups ish system for my 3D printer the printer is custom-designed with 5 meters (no, it's not a typo) on each axis. we use MKS Gen v1.1 with custom marlin ...
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0answers
29 views

RGBW 4 channel LED strips: Do I need externalpower supply or is the LED controller enough?

Not a beginner but still a novice :) Main goal is to find out if the LED controllers I have chosen can drive my LED strips or if I need external power supply. And to understand ofcourse :) ...
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0answers
37 views

Are there cerifications needed to bring 5VDC LED Controller to the US market? [duplicate]

We are producing LED programmable controler, the power supply is 5VDC. Do we need any certification (UL or similar) for the US market?
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2answers
184 views

Is it possible to connect a smartphone/tablet OLED screen directly as a PC monitor? [closed]

why? Why OLED? mainly because of best contrast by having no backlight annoying leakage. Why smartphone or tablet screen? because of size, resolution and price. usage requirements, previous tests, ...
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0answers
35 views

Can I connect 2 power supplies for 16 meters LED RGB strip?

I've bought 2 sets of 10 meter LED RGB strip (7.2w/m) for a room. Then I've cut them to around 8 meters each to get 16 meters. Everything seemed fine but one thing, because it's 2 separate controllers,...
1
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1answer
338 views

What do terms half-rate and quarter-rate mean for DRAM memory controllers?

DDR3 Memory controller are often presented as being half rate or quarter rate, but what does this mean? e.g if I have a DDR3 SDRAM that is x16, what does the half or quarter rate imply in that case ...
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2answers
518 views

DMX Control - 50W COB LED

I have a DIY project, with the aim of building an (LED-based) stage/theatre light from scratch. One of the challenges I've hit with this is getting DMX control to dim the LED. I spent some time ...
2
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0answers
308 views

How to connect the Peltier module to TEC W1209?

I am trying to control my Peltier module using the W1209 TEC. I set the P0 to H, so that it should provide voltage to my Peltier module until the temperature reaches the set temp. The LED turns on ...
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1answer
199 views

Designing an PCIe ethernet NIC with built in ethernet switch

I am trying to design a ethernet network card that will plug into a PCIe slot and have 2 etherenet ports visible to the user that are connected by a unmanaged layer 2 switch. My architecture ...
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2answers
137 views

Which components for flat waterproof buttons controller

I'm trying to build a waterproof controller to mount on a motorcycle, to interact with a Raspberry PI Zero. I'm looking for the best way to build something flat (it has to be mounted on the handlebar),...
2
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0answers
213 views

How to calculate a voltage/current controller bandwidth based on their gains Kp and Ki?

I am doing some experiments with voltage and current controllers, but sometimes my results are not matching what I expected. At the moment, to calculate the bandwidth of a controller, I am taking the ...