Collaborative Robots

by Various | April 27th, 2018

Readability

Collaborative Robots

In the past, robots were huge and robust gad­gets which exe­cuted duties out­lined for them. They came with bright col­ors to cau­tion work­ers of their immi­nent dan­ger. They were encir­cled with pro­tec­tors and a fence for secu­rity rea­sons. Set­ting them up was an ardu­ous task and one needed to have excel­lent pro­gram­ming skills to set them up.

Today, tech­nol­ogy has evolved and this has seen the emer­gence of col­lab­o­ra­tive robots which are light, com­pact, and adept.

What Are Col­lab­o­ra­tive Robots

A col­lab­o­ra­tive robot is a machine that is spe­cially designed to inter­act directly with humans in a col­lab­o­ra­tive envi­ron­ment. There are var­i­ous terms indi­vid­u­als need to under­stand when it comes to these gad­gets as illus­trated below.

Cobot. This is the short form of col­lab­o­ra­tive robot

Col­lab­o­ra­tive operation/​Human Robot Inter­ac­tion. This is the con­di­tion by which humans and a func­tion designed robot works directly within a des­ig­nated environment

Col­lab­o­ra­tive environment/​workspace. This is a pro­tected area where humans and the robot exe­cute duties together amid an auto­matic operation.

IAD (Intel­li­gent Assist Device). This is a non inde­pen­dent smart lift assist gadget

What Are the Col­lab­o­ra­tive Fea­tures For Robots?

Mod­ern day robots come with four col­lab­o­ra­tive fea­tures which are;

Hand Guid­ing

This col­lab­o­ra­tive oper­a­tion involves teach­ing through demon­stra­tion. For exam­ple, it comes in handy when one needs to teach trails for pick and place oper­a­tions instantly. While hand guid­ing relies largely on indus­trial robots, it comes with an extra gad­get that senses the worker’s effort as applied on the robot. More char­ac­ter­is­tics of hand guid­ing robots are;

  • Uses path teach­ing and demonstration
  • Requires an end of arm gad­get in order to sense applied forces
  • Uses nor­mal indus­trial robots
  • Makes spe­cific robot col­lab­o­ra­tive modes

Safety rated mon­i­tored stop

This col­lab­o­ra­tive char­ac­ter­is­tic is exe­cuted when the robot is work­ing inde­pen­dently. How­ever, a human may need to pen­e­trate its work envi­ron­ment occa­sion­ally. For instance, if a par­tic­u­lar oper­a­tion must be exe­cuted on a part while it is within the robot’s space. In this case, the robot does most of the work while the worker car­ries out sub­or­di­nate oper­a­tions on the part.

This means that the worker is able to exe­cute his task on the part within the robot’s space. When a per­son enters a pro­posed safety area, the robot seizes oper­a­tions alto­gether despite the fact that it is still on. These robots work effi­ciently when humans work away from them with lim­ited close inter­ac­tions. This reduces the amount of time it stops due to human inter­rup­tion. More char­ac­ter­is­tics are;

  • Requires safety gad­gets that sense human closeness
  • Uti­lizes com­mon indus­trial robots
  • Stops when the safety area is invaded
  • Uti­lized for inad­e­quate coop­er­a­tive procedures

Speed And Sep­a­ra­tion Monitoring

Here, the robot’s work­space is con­trolled by a vision or laser sys­tem that trails the worker’s posi­tion. The robot then oper­ates within the func­tions of the pre­de­ter­mined safety area. For instance, if the worker is within a spe­cific safety zone, the robot works slowly and con­tin­ues to slow down fur­ther as he approaches. It even­tu­ally stops when they get too close. More fea­tures are;

  • It requires a vision sys­tem in order to sense the near­ness of the human
  • It uses com­mon indus­trial robots
  • It is uti­lized for oper­a­tions that need fre­quent human presence

Power and Force Limiting

This is one of the most human friendly robots because it allows human robot inter­ac­tion in the absence of extra safety gad­gets. It is capa­ble of sens­ing unusual forces along its path. It is spe­cially pro­grammed to stop every time it reads a force over­load. Addi­tion­ally, it is designed to use up forces in the event of impact within a wider sur­face. This explains why robots are rounded and have no defined motors. Third par­ties for human robot col­lab­o­ra­tion indus­trial safety accredit many of these robots. Its fea­tures are;

  • It is not a com­mon indus­trial robot
  • It does not need extra safety gad­gets. How­ever, it will need to undergo a risk assessment
  • It comes with force lim­ited characteristics
  • It is designed to col­lab­o­rate with the worker directly

Finally

Force lim­ited robots are easy to inte­grate with and pro­gram. They do not need to be fenced and one does not have to change their pro­duc­tion line. This is because they are spe­cially designed to col­lab­o­rate with humans. They come with the hand guid­ing fea­ture which cuts down the pro­gram­ming time.

Col­lab­o­ra­tive Robots

In the past, robots were huge and robust gad­gets which exe­cuted duties out­lined for them. They came with bright col­ors to cau­tion work­ers of their immi­nent dan­ger. They were encir­cled with pro­tec­tors and a fence for secu­rity rea­sons. Set­ting them up was an ardu­ous task and one needed to have excel­lent pro­gram­ming skills to set them up.

Today, tech­nol­ogy has evolved and this has seen the emer­gence of col­lab­o­ra­tive robots which are light, com­pact, and adept.

In the past, robots were huge and robust gadgets which executed duties outlined for them. They came with bright colors to caution workers of their imminent danger. They were encircled with protectors and a fence for security reasons. Setting them up was an arduous task and one needed to have excellent programming skills to set them up.

Today, technology has evolved and this has seen the emergence of collaborative robots which are light, compact, and adept.

 What Are Collaborative Robots

A collaborative robot is a machine that is specially designed to interact directly with humans in a collaborative environment. There are various terms individuals need to understand when it comes to these gadgets as illustrated below.

Cobot. This is the short form of collaborative robot

Collaborative operation/Human Robot Interaction. This is the condition by which humans and a function designed robot works directly within a designated environment

Collaborative environment/workspace. This is a protected area where humans and the robot execute duties together amid an automatic operation.

IAD (Intelligent Assist Device). This is a non independent smart lift assist gadget

What Are the Collaborative Features For Robots?

Modern day robots come with four collaborative features which are;

Hand Guiding

This collaborative operation involves teaching through demonstration. For example, it comes in handy when one needs to teach trails for pick and place operations instantly. While hand guiding relies largely on industrial robots, it comes with an extra gadget that senses the worker’s effort as applied on the robot. More characteristics of hand guiding robots are;

  • Uses path teaching and demonstration
  • Requires an end of arm gadget in order to sense applied forces
  • Uses normal industrial robots
  • Makes specific robot collaborative modes

Safety rated monitored stop

This collaborative characteristic is executed when the robot is working independently. However, a human may need to penetrate its work environment occasionally. For instance, if a particular operation must be executed on a part while it is within the robot’s space. In this case, the robot does most of the work while the worker carries out subordinate operations on the part.

This means that the worker is able to execute his task on the part within the robot’s space. When a person enters a proposed safety area, the robot seizes operations altogether despite the fact that it is still on. These robots work efficiently when humans work away from them with limited close interactions. This reduces the amount of time it stops due to human interruption. More characteristics are;

  • Requires safety gadgets that sense human closeness
  • Utilizes common industrial robots
  • Stops when the safety area is invaded
  • Utilized for inadequate cooperative procedures

Speed And Separation Monitoring

Here, the robot’s workspace is controlled by a vision or laser system that trails the worker’s position. The robot then operates within the functions of the predetermined safety area. For instance, if the worker is within a specific safety zone, the robot works slowly and continues to slow down further as he approaches. It eventually stops when they get too close. More features are;

  • It requires a vision system in order to sense the nearness of the human
  • It uses common industrial robots
  • It is utilized for operations that need frequent human presence

Power and Force Limiting

This is one of the most human friendly robots because it allows human robot interaction in the absence of extra safety gadgets. It is capable of sensing unusual forces along its path. It is specially programmed to stop every time it reads a force overload. Additionally, it is designed to use up forces in the event of impact within a wider surface. This explains why robots are rounded and have no defined motors. Third parties for human robot collaboration industrial safety accredit many of these robots. Its features are;

  • It is not a common industrial robot
  • It does not need extra safety gadgets. However, it will need to undergo a risk assessment
  • It comes with force limited characteristics
  • It is designed to collaborate with the worker directly

Finally

Force limited robots are easy to integrate with and program. They do not need to be fenced and one does not have to change their production line. This is because they are specially designed to collaborate with humans. They come with the hand guiding feature which cuts down the programming time.

Collaborative Robots

In the past, robots were huge and robust gadgets which executed duties outlined for them. They came with bright colors to caution workers of their imminent danger. They were encircled with protectors and a fence for security reasons. Setting them up was an arduous task and one needed to have excellent programming skills to set them up.

Today, technology has evolved and this has seen the emergence of collaborative robots which are light, compact, and adept.

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