Questions tagged [industrial-robot]

An industrial robot is a robot system used for manufacturing. Industrial robots are automated, programmable and capable of movement on two or more axes

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Two DC motors and single output?

I saw one old industrial robot(Year 1988) end effector is having 2 DC motor for roll drive. After roll drive, yaw and pitch drives are connected and it has dc motors separately. But roll drive has ...
4 votes
5 answers
4k views

What is the difference between a CNC router versus a CNC mill?

People at the RepRap 3d-printing project often mention CNC routers or CNC mills. Both kinds of machines almost always have a motorized spindle with stepper motors to move the spindle in the X, Y, and ...
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Weave Weld Lincoln Electric Mig Robot

This is a simple question that I can't seem to find the answer for but when setting up the weave function how exactly does frequency (Hz) determine how fast it moves back and forth? In other words ...
-1 votes
1 answer
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Comparing industrial robot arms [closed]

I'd like to study the capabilities of industrial robot arms. For example, to answer the question how does price vary with precision, speed, reach and strength? Is there a database of industrial robot ...
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4 votes
2 answers
4k views

How to implement PID control for robotic arm?

I'm wondering that, PID control is a linear control technique and the robot manipulator is a nonlinear system, so how it is possible to apply PID control, in this case. I found a paper named: PID ...
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1 answer
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Connecting USB Xbox Controller to National Instruments cRIO

I have a FIRST Robotics spec National Instruments cRIO. I would like to connect a USB wireless Xbox controller to it in order to control it from a distance with minimal extra hardware (which is why I ...
1 vote
0 answers
119 views

How to select the parameters of the Sliding Mode Control of a Robotic Arm?

I working on sliding mode control (SMC) of a 4 DoF manipulator, I don't know how to select the discontinuity gain matrix, $ K$ , the surface constant (the diagonal gain matrix $\Lambda$ components).
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2 answers
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What is the best software/package to draw the robot manipulator and indicate DH parameters and different axes?

I'm wondering about good software/package to draw the robot manipulator and indicate DH parameters and different axes? Any suggestions!
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2 answers
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Denavit-Hartenberg convention or the product of exponentials formulation, when dealing with the manipulator kinematics?

Though, Denavit-Hartenberg notation is commonly used to describe the kinematics of robot manipulator, some researcher prefer the product of exponential instead; and even the claim that it's better. ...
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10 votes
4 answers
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Implementing a torque-controlled method on a position-controlled robot

I am working with a position-controlled manipulator. However, I want to implement a torque-controlled method on this robot. Is there any way to convert a torque command to a position command? I try ...
1 vote
1 answer
764 views

How do I get this transformation matrix?

I've just started taking a robotics course and I am having a little problem. I need to rotate the $O_i-1$ coordinate system into a position, where $X_i-1$ will be parallel with $X_i$. The ...
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1 answer
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12V compressor and air pressure control

I am trying to make a simple robot with few functionality for someone, one of these functionality is inflating a balloon inside the robot, I know how to control a compressor using Arduino but the ...
2 votes
0 answers
245 views

The costs of using existing 6 axis kuka/abb robots and existing vision systems in picking and placing tasks

I would like to use a Kuka/abb 6 axis robot and a machine vision system to pick and place a variety of metal drill bits in size ranges from 0.5mm (ascending up 0.5mm per cylinde) to 13mm in metric and ...
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I am an entrepreneur and I want to start building robots for businesses, where do I start? [closed]

Over the last couple of years I've had good success with my technology startups and now looking to enter into robotics. I was interested in robotics and automation ever since I was a kid (yes, that ...
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1 answer
662 views

Re-Calibration of an articulated industrial robot

We are planning to recalibrate ABB IRB 1410 robot and conduct series of accuracy & repeatability tests using FaroArm. My questions are i) Is there any physical identification marker on the robot ...
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2 votes
1 answer
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How to calibrate an industrial Robot?

I am testing an industrial robot (ABB IRB 1410) using three simple Micron Dial gauges to get x,y,z values at particular point by varying Speed, Load and distance from home position. My questions are, ...
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7 votes
3 answers
794 views

Is there a way to determine which degrees of freedom are lost in a robot at a singularity position by looking at the jacobian?

For a 6DoF robot with all revolute joints the Jacobian is given by: $$ \mathbf{J} = \begin{bmatrix} \hat{z_0} \times (\vec{o_6}-\vec{o_0}) & \ldots & \hat{z_5} \times (\vec{o_6}-\vec{o_5})\\ \...
12 votes
7 answers
22k views

What is the difference between a Robot and a Machine?

What is the difference between a Robot and a Machine? At what point does a machine begin to be called a robot? Is it at a certain level of complexity? Is it when it has software etc?. For instance: ...
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4 votes
3 answers
334 views

How can I simulate a changing environment with non-rigid objects?

Many robot applications (actually - the most practical and appealing ones) include the robot's reaction to (and impact on) the evironment, e.g. due to stochastic nature of the environment (e.g. when ...
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1 answer
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Why are the IRB 1410's servos running even when the joints are not moving?

I was jogging the ABB IRB1410 and I noticed that the servo motors are humming even when the joints are not moving. The motor cuts off only when the guard switch in the flex pendant is released. What ...
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3 answers
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Why are industrial machines called robots?

The definition of a robot is as follow: "A robotic paradigm can be described by the relationship between the three primitives of robotics: Sense, Plan, and Act." An example could be the famous "Kuka ...
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11 votes
5 answers
8k views

How to make an "invisible line following robot"?

I would like to build a robot which follows a virtual path (Not a visible path like a 'black line on a white surface', etc). I'm just enthusiastic by seeing some sci-fi videos which show robots carry ...
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2 votes
2 answers
225 views

How do I select the best configuration for a known workspace, load and task?

Given workspace constraints, load and task to be done, how do I select the best configuration of my robot? How do I select between a cartesian or Scara robot for instance? How do I select a ...
6 votes
3 answers
2k views

restricting range of motion with complex constraints

I am looking for a way to restrict a robot's range of motion, using complex constraints such as not tearing of a cable attached to the robot. Take an articulated 6-axis robot arm as shown below, with ...
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11 votes
3 answers
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With a 6-axis robot, given end-effector position and range of orientations, how to find optimal joint values

Given a six-axis articulated robot arm holding a tool at its end-effector, if I have a desired tool position and tool orientation, there will be exactly 1 solution to the inverse kinematics equation ...
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1 answer
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Technology behind Kiva Systems mobile robots

What kind of sensors and algorithms are the mobile robots of Kiva Systems equipped with?
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