Questions tagged [controller]

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15 views

Custom USB Gamepad Working But Not Detected In-Game

I've created a custom HID gamepad using an STM32L151C8T6 (probably irrelevant) and my computer recognizes the device using the gamepad tester application built into Windows 10. I can verify the ...
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0answers
30 views

Servo motor controller [closed]

I have a 4 Pole servo motor and a servo controller. Both these devices are very old so I couldn't find any user manual for these devices. I have no idea about how these controllers work. The ...
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0answers
59 views

motorcycle heated seats [closed]

im a photocopier tech and wondering if anyone could help me get my head around a modification to my triumph bike factory heated seats. my pillion seat is controlled by a hi low and off switch. the ...
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1answer
46 views

PWM Fan Controller for heat exchanger with timed defrost cycle

I am building my own heat exchange ventilator and trying to figure out the best control board options. The first part is simple. I want to enter custom parameters for fan speed based on a temperature ...
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0answers
75 views

Does anyone know what this SMD IC labelled “HuANA” is? I'm having a hard time finding its datasheet on the internet

I am troubleshooting a Xiaomi M365 e-scooter. After checking for problems in the dashboard, I found the BLE controller's supply pin is grounded/shorted with the ground. I found this SMD IC "HuANA&...
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1answer
92 views

What are these pull-ups for on BLDC driver reference schematic?

I'm trying to design a simple BLDC motor controller using L6234 driver IC. Looking at its application reference schematic I came across some weird pull-ups (highlighted in green, I assume these ...
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1answer
59 views

I want to make a temperature controller, but the heating element didn't work

My schematic circuit from controller to heater (12V) When I connect the heater, the voltage drops to zero. When I try it in a simulator with a DC motor, it works: This is my 12V heating element:
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0answers
47 views

Can you help identify the controller of smps

Found on smps it is probebly the controller - but couldnt find it on google Looks like it is writen 9202 834p4
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2answers
52 views

What is a “discrete time controller”?

I'm reading a paper, and the first sentence is: Most dynamic systems are controlled by discrete time controllers What is a discrete time controller ? Thanks
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0answers
14 views

Is Image Based Visual Servoing a non-linear controller?

Is Image Based Visual Servoing a non-linear controller? I think it is as the Image Jacobian has square terms of u & v (image-plane coords). Where \$p_u, p_v\$ are the width & height of each ...
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1answer
48 views

How can I make a 'PD' battery port pass 9v instead of standard 5v?

I wanted to get a standard lightweight phone charger to power my DIY portable device. I have tested it with 9v which works but I'm realizing that for those 'PD' chargers I'll need something on my ...
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1answer
49 views

Dc controller fuse keeps blowing

I am using a dc controller like this: https://www.amazon.com/SZMWKJ-Wireless-Controller-Positive-Inversion/dp/B07CG4Y3N9 to control a linear actuator. The controller has a 10A fuse, and the linear ...
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1answer
60 views

DIY LED controller

I am building a LED controller using an ESP 32 and IRLB8721 mosfets. I have 3 RGB LEDs hooked in series. The whole thing is powered by a 12V power supply which says it is set into outputing only 350mA ...
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0answers
84 views

Universal motor torque measurement

I would like to control AC universal motor (brushed). I would like to know the load torque, but I cannot measure the torque directly. I have to calculate it from motor parameters. Please let me know ...
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0answers
42 views

Is it ok to connect the output of a solar controller to a fused outlet on a fuse panel?

The fuse panel is breakered to a battery and is used to power other low amp equipment. The model is the 6 gang blue sea panel with blade type fuses. Since the fuse panel is just a couple pieces of ...
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0answers
22 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
87 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
60 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
77 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
46 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
166 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/...
1
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1answer
40 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
66 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
47 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
28 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
117 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.
1
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3answers
160 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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1answer
48 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 ...
1
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1answer
51 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
35 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
216 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
57 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
101 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
102 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
73 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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1answer
122 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
1k 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 ...
0
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1answer
162 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
42 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
43 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
462 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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1answer
65 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
240 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
175 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
59 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
91 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
163 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. ...