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Robotics MPR213 > Quiz > Flashcards

Quiz Flashcards

1
Q

Which robot application type is the most common one?

A

Handling

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2
Q

Which part of a robot system is the most costly?

A

System, such as program and installation

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3
Q

Which robot supplier has most installations worldwide?

A

Fanuc

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4
Q

What is particular for a arc welding robot application?

A

Many times the robot has a manipulator to orient the product

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5
Q

What is particular about the painting robot?

A

It has a longer arm to reach but is not so rigid

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6
Q

What does IFR mean by “Democratizing” robotics?

A

Low-cost robotics opens up new customer segments

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7
Q

What does IFR mean with by the trending human-robot collaboration?

A

Ease of use is a driver for the use of cobots

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8
Q

What technology is involved in a robot simulation system?

A

Mathematically detect clearances and collisions (+more)

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9
Q

What is enabled through a PLM system-based robot simulation system?

A

Several persons can work on the same data set in realtime

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10
Q

Who are the two major robot simulation providers in the world?

A

Siemens and Dassault Systémes

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11
Q

What does Object-oriented programming use?

A

Object-oriented programming uses features from the product to program the robot

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12
Q

A TagGroup contains what information?

A

Coordinate location objects

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13
Q

In Teach-in programming use what?

A

The robot is used physically to do the programming

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14
Q

Professor Bolmsjö states two classifications of programming. Which is the correct statement?

A

Where relates to on-line and off-line programming. How is related to abstraction level.

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15
Q

Which three main phases are involved in the design of a robot system according to Professor Bolmsjö?

A

Pre-study > Procurement > Implementation

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16
Q

Virtual Commissioning is…

A

The process of using simulation technology to validate PLC logic before making changes to the actual plant

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17
Q

The reason for using Virtual Commissioning is…

A

to unlike the traditional approach enable concurrent engineering in the commissioning of your plant

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18
Q

Why did Airbus decide to use Virtual Commissioning for the building of all their new factories?

A

It is a way to make sure their Tier-1 suppliers test all their logic programming on the equipment to be deployed in the Airbus factories.

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19
Q

What is the long-term goal of using Machine Learning in industrial robotics?

A

To increase flexibility in the tasks that robots are executing WITHOUT having to re-program the robot

20
Q

What is the third main point for machine learning in industrial robotics?

A

To teach the robot how to work in a new environment is not longer necessary

21
Q

What is the purpose of the Virtual Robot Controller in RRS? (Realistic Robot Simulation)

A

Integrating robot controller software almost completely into simulators

22
Q

How accurate has the RCS made the simulation model compared to the real one? (Robot Simulation Interface)

A

99,8%

23
Q

What is the definition of a robot?

A

It is a mechanical or virtual artificial agent

24
Q

What is the definition of an industrial robot?

A

It is reprogrammable

25
Q

Why do you buy an industrial robot?

A

It will help you to achieve higher quality through higher repetitiveness

26
Q

What is TCP0?

A

It is the coordinate where you mount an end-effector

27
Q

What is a revolute joint?

A

It is the rotational movement between two links

28
Q

What is the homogenous transformation matrix?

A

It describes both rotation and translation

29
Q

What is the name of the first industrial robot?

A

Unimate

30
Q

Why was the electric robot important for the evolution of robots?

A

The resolution in robot movement was increased

31
Q

What is repetitive accuracy in a robot?

A

It finds its way back to a known location

32
Q

What does the wrist enable in a robot?

A

You can each 6 degrees of freedom

33
Q

How can you use configuration in robot programming?

A

Configuration enables you to have avoid collisions

34
Q

What is a trends in robotics?

A

Labor cost increases, robot prices decreases

35
Q

Why did Joe Engelberger “The father of robotics” have problems to sell Unimate at the start?

A

Customers did not understand and industry was afraid it would take jobs from employees

36
Q

Which three are joint types in a robot?

A

Ball-joint
Revolute joint
Universal joint

37
Q

What is the purpose of a fixture?

A

A fixture is a device for locating, holding and supporting workpieces during manufacturing operations

38
Q

What is the flag unit in a fixture?

A

It goes between the Structure of the fixture and the Pickup

39
Q

How can jigs be eliminated?

A

In CNC machines the tool path is digitally programmed and stored in memory, thus can be utilized instead of jigs

40
Q

How can fixtures be eliminated?

A

By robots to hold the part instead of putting the parts in a fixture

41
Q

What is the 3-2-1 method in fixture design?

A

A workpiece is confined when banked against three points in one plane, two points in another plane, and one point in a third plane

42
Q

How many elements of the degrees-of-freedom does the 3-2-1 principle give?

A

9

43
Q

What is absolute accuracy?

A

Absolute accuracy is about going accurate to an unknown position

44
Q

What does calibration of a robot do?

A

Robot calibration is the process of identifying certain parameters in the kinematic structure

45
Q

What is giving bad accuracy?

A

Internal loading and structural resonance affecting the robot path

46
Q

Why is an industrial robot risky to use in a grinding process?

A

Due to bad stiffness in the servos the robot will not maintain its calculated position

47
Q

What is skidding effect in a robot?

A

It slides on the surface

Robotics MPR213 (2 decks)

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