An electrical actuator converting electrical energy into rotational motion.

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-4
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0answers
26 views

Design of Six phase induction motor

I want to design Six phase induction motor using Finite element analysis (FEA), here i have to use ansys maxwell software. my question is how can i start also for from which particular section ?
-3
votes
0answers
30 views

Controlling servo 360 degree(clockwise and anti clockwise) using arduino with “if statement” [migrated]

I am facing a problem to control my 360 degree servo motor using arduino by "if statement" and the input will be potentiometer. For and example, "if the analogRead<200" i want the servo motor to ...
-2
votes
1answer
62 views

Capacitor to slowdown the RPM of the Motor [on hold]

Thank you for the help, after confusion, apparently there are cogs in place to slow this down, I am trying to source a Start Capacitor to force the rotational direction. Here are a few details: ...
-1
votes
0answers
23 views

AC Motor Starter Capacitor - humming sound after replacement [on hold]

A tumble dryer stopped working and I found it to be the starter motor capacitor (when switching the dryer on, the drum would not spin but if you manually started to spin the drum, the motor would kick ...
0
votes
1answer
71 views

Analyzing electric motor frequency with a microphone and Arduino

I want to analyze the frequency of an electric motor used for an industrial cooling system. It seems to me that the Arduino UNO is fast enough to be able to analyze and calculate the main frequency ...
-3
votes
1answer
64 views

Is this diagram correct? [on hold]

I have created the below mentioned circuit diagram: I just wanted to know that have I drawn a good/correct diagram or should I make any changes to this diagram? I have not added the resistors in ...
-2
votes
0answers
27 views

What type of motor should I use?

I would like to build something similar to the project in this video: https://www.youtube.com/watch?v=sO2-tqoyGik I'm just starting off with Arduino projects and have no experience in electronics. ...
-6
votes
0answers
33 views

Electronic kicking machine [closed]

Does anything that uses a servo or other to simulate striking an object as if it was being kicked at moderate force exist for sale?
2
votes
2answers
62 views

Which of the following motors best suit as a wind generator? [on hold]

I'm watching some brushless outrunners with low kv as a generator for a simple wind turbine that I'm going to build soon. It might not be a scale or fully useful turbine, because I want to build it ...
0
votes
2answers
84 views

Strategy for a learning lawnmower robot, and choices of motors

I am pondering on building a practical learning lawnmower robot (could be Arduino based) and I am wondering if this will work. The robot will be both autonomous and RC (radio controlled). Given some ...
2
votes
1answer
60 views

Connecting cables when end point rotates 360

I need to be able to rotate raspi camera 360' by motor and up/down by servo. The problem is that when I rotate it 360', all camera cables will tangle up. What is the method to make it right? I need ...
3
votes
1answer
61 views

What's a good set of PWM values to make sine waves for a 3 phase motor?

I'm building a synchronous rotating spark gap for a tesla coil. I have a working mcu (Kinetis K64F) driving a 230volt inverter board and it spins a 3 phase synchronous motor. The motor is a ...
0
votes
1answer
19 views

How to put a delay timer on a micro motor small Area

I am trying to put a micro motor basically as small as I can inside of a 1"or so wide tube like a long fishing plug, I am going to put a small prop or propeller on one end. What I need is to be able ...
0
votes
2answers
46 views

Control of a coreless DC motor using a PWM and a mosfet

I'm using 4 Si2302 logic level mosfets to drive 4 coreless dc motors. The speed of the motors is control led by the PWM signal from an Arduino Pro Mini. The power supply for the boards is a 3.7V (4.2V ...
0
votes
0answers
31 views

Rotating plate motor with position feedback

I am currently building a 3D scanner and I want the camera/laser to be fixed and the subject to move on a rotating plate. This is where I am now : the rotating plate design. Unlike most general ...
1
vote
1answer
56 views

What does PWM width control in brushless motors?

For servos PWM controls angular rotation - for example 1ms width means 0 degrees and 2ms means 180 degrees (it is PWM width is proportional to angular rotation). I am not sure what PWM width ...
0
votes
2answers
50 views

Rotating a motor according to calculated output [closed]

I have 13 photodiodes. Positive connection from battery is connected to the positive end of each photodiode. The position of photodiodes is as shown below: ...
1
vote
2answers
62 views

Difference between capacitor start and capacitor run Induction motors?

All though in both types of Induction Motors, capacitor does the job of phase shifting to produce the rotating magnetic field, their working principle is the same. Then whats the point in ...
0
votes
0answers
33 views

How to control direction AC motor with 555(clockwise-off 5sec-anticlockwise)

How do I control an AC motor direction with a 555 timer monostable delay configuration and a few relays.The nature I want it to be is anticlockwise all the way(with a press of a button) then press ...
0
votes
0answers
10 views

Can I use Bipolar stepper motor driver to drive Unipolar motor in Unipolar configuration? [duplicate]

Can I use Bipolar stepper motor driver to drive Unipolar motor in Unipolar configuration ?
0
votes
1answer
33 views

torque of locked gear motor vs gearless motor

Do gears increase the torque of locked/stalled motor ?. I understand that in case of rotation of shaft the gears will increase the torque because of transmission to slow rpm. But what makes difference ...
0
votes
1answer
55 views

Multiple Motors and one H bridge

I am trying to make one H bridge for four identical motors. I do not want to make more than one H bridge by any means. I got a way to do that but I need your recommendation. I am going to make all the ...
2
votes
2answers
76 views

Is stalling a DC Motor with rated current safe for the motor?

I know that stalling DC motor can cause overheat because of excessive current. If i will limit the current to the rated current of motor, is there still issue to damage the motor ? to be more ...
1
vote
3answers
67 views

Is it possible to change direction of DC motor using a 3-state rocker switch?

I have a 3-state switch, It has 3 pins. It can have 3 state as you can see in the picture below. when it's off (i.e on O) the middle pin is not connected to anything. When it's on I, the middle pin is ...
1
vote
4answers
74 views

Inverter using Alternator

Is it possible to generate AC power by powering an alternator using a DC motor? If you think about it is much easier and better sine wave than a circuit? Why isn't it used then? What are the ...
0
votes
0answers
34 views

How to determine motor's pinout

So I've savaged an old Maxon DC motor. I've searched thoroughly for some documantion but found none. So I have 6 pins which I guess should be: V+ V- Vcc GND A B Is there a way to determine which is ...
1
vote
1answer
39 views

Question regarding a resistor in optocoupler/TRIAC circuit

I'm building a ac motor starter with a optocoupler (FOD4218) and a TRIAC (BTA16), one for each phase in a three phase 400V system. I have a question regarding the circuits that can be found all over ...
1
vote
1answer
38 views

Turntable Circuit

I have a 33 rpm turntable and I would like to put a switch in it to play 45 rpm records. I don't know where to start. I would appreciate some help with which electronic components I'll have to buy.
1
vote
1answer
65 views

What kind of motor is this?

I have 2 blower motors. I know where they came from and what the models are but I cannot find any real info on them, and I don't know motors enough to know what I have or how to use them. I dabble in ...
0
votes
2answers
41 views

Connect a bipolar stepper motor to a breadboard

I would like to connect a bipolar stepper motor, with a connector as the one in the picture, to a breadboard. Is there any adapter I can use?
0
votes
2answers
55 views

Sharing same battery with two dc motors and two servos

I have a 12v battery powering two DC motors through an Arduino and motor controller. The 12v battery is also powering the Arduino using the VIN pin. Now I am trying to hook up two servo motors from ...
7
votes
2answers
615 views

Controlling a very small DC motor with PWM?

I have a very small DC motor (from a Walkman), I would like to control the speed from a micro-controller. For that I would like to connect a MOSFET in series and apply a PWM signal to its gate in ...
0
votes
2answers
119 views

How much weight can a motor take before it can't run? [closed]

I bought these 50:1 gear motors for a project robot I'm building for this YouTube walkthrough series with a couple of Arduino's, two other servo motors, a motor controller and various hardware. The ...
1
vote
1answer
89 views

How to get my internal Harddrive to spin externally?

I have a Seagate ST3500620AS Harddrive that's just laying around and not being used. I want to power the motor at full speed (rated to run at 7200rpm) and do some hobby projects with it. Problem is, ...
1
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0answers
48 views

Overload relay nameplate

The following information appears on the nameplate / description of an existing thermal overload relay (for motor protection) I need to replace with a modern unit of same functionality: IEC 292-1 ...
0
votes
1answer
54 views

Car window motor control output

I'm toying around with a car window, and used this tutorial to try and make it work: https://itp.nyu.edu/physcomp/labs/motors-and-transistors/dc-motor-control-using-an-h-bridge/ I've set it up almost ...
0
votes
1answer
37 views

I need help understanding how this stepper motor circuit works

This is my first time working with stepper motors. The motor in question is a Portescap 55M048D1B (source: http://www.digikey.com/product-detail/en/55M048D1B/403-1016-ND/417823). I am having trouble ...
0
votes
1answer
43 views

Synchronous motor base speed calculation

I would like to ask the following question. How can I calculate the base speed of a Synchronous motor for variable speed applications controlled in dq frame? I want to calculate the base speed for ...
1
vote
1answer
43 views

Circuitry for the DRV8840 Motor Driver

I'm building a circuit based on the DRV8840 (datasheet: http://www.ti.com/lit/ds/symlink/drv8840.pdf). Unfortunately, I can't get it to work. I think something might be wrong with my design. When I ...
-5
votes
0answers
51 views

how to make 30 seconds timer [closed]

I'm trying to make a timer, that powers the small motor for 1-2 seconds, every 30 seconds. I need this to be portable. Can someone help me? the motor I have is using 3 V voltage, also I don't want ...
-2
votes
1answer
47 views

How to controlle a motor with arduino

I have 2 og those 12v motor and a 12v battery http://www.enigmaindustries.com/Motors/Bosch_EV_Warrior.htm I want to know what s the best solution to controle the motor with an arduino Uno. Is the ...
0
votes
2answers
58 views

How do I reduce the Counter EMF?

I hope I can explain what I am asking. We will connect a DC motor to a single phase rectifier. Motor will carry a load. And motor sould be able to spin right and left. And when it is changing its ...
-4
votes
3answers
63 views

What could be the voltage of this common DC motor? [closed]

Below is the picture of a common DC motor usually used in electronic toys. This motor is quite common so I guess someone may be knowing it's voltage and how much current it draws. I could've tested it ...
2
votes
1answer
52 views

Estimating power usage of idle motor

I would like to calculate the power usage of an idle motor. The motor drives state a power usage of approx 8-10% of full load. Would it simply be the case of taking 8-10% of the motor's power rating ...
0
votes
2answers
86 views

Identifying windings of a single phase induction motor

How can I identify the main and auxiliary windings of a single phase induction motor which has only three terminals (1.Red, 2. Yellow & 3. Black) out of the device? How to connect capacitor and ...
0
votes
1answer
67 views

DC Motor circuit polarised 2 directions switches

I'm totally new to electronicS and do not understand a lot and I've read other posts but people seem to be asking different things to me so apologies in advance if this has been covered but I've typed ...
1
vote
1answer
35 views

AC Machine Stator Winding

In designing a 3 Phase, 4 Pole, 24 Slot AC machine assuming a RYB phase sequence i am confused on the starting point of the blue phase. The calculations, table and diagram look like the following. ...
0
votes
0answers
21 views

How does Sensorless Vector Control of an induction motor achieved?

I'm trying to make sense of the current and rpm of an AC motor controlled by a VFD drive. Here is the device: ...
0
votes
1answer
41 views

Can rated stator voltage frequency be exceeded safely in an induction motor?

The following induction motor at the link has rated 50Hz stator freq. on namespace label: http://www.vanbodegraven.nl/en/products/ac-motors/asea-mbg-200-m-60-6/ It seems it is 6 pole since it has ...
0
votes
2answers
53 views

Why does an induction motor not have the maximum torque when it is locked?

In theory the maximum current induced at rotor must be when the rotor is locked hence the force is B.I.L it must produce the max torque. But why torque is not maximum when it is locked but it is ...