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Unread 11-02-2010, 17:29
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Re: Robots Advantages

Those that can "control" the middle of the field will dominate, as it is the source of the balls that are recycled.

Why score from the near end if you can do it from the middle?
Get rid of the "middle man" and score.

Defense is being highly underestimated.
I played soccer for years. Its very different when its by yourself vs. an opposing team.
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Unread 11-02-2010, 17:54
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Re: Robots Advantages

Quote:
Originally Posted by waialua359 View Post
Those that can "control" the middle of the field will dominate, as it is the source of the balls that are recycled.

Why score from the near end if you can do it from the middle?
Get rid of the "middle man" and score.

Defense is being highly underestimated.
I played soccer for years. Its very different when its by yourself vs. an opposing team.
I absolutely agree with your statements. Those who control the mid-field will definitely dominate the game. In which case a robot that can control and fire from the mid-field with a 80%+ accuracy will definitely make it to the finals.

However, as you mentioned, a key defensive player in both the mid and far zone will also be a strong strategy. It will be interesting to see what Week 1 teaches us about the game.
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Unread 12-02-2010, 11:00
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Re: Robots Advantages

Quote:
Originally Posted by waialua359 View Post
Those that can "control" the middle of the field will dominate, as it is the source of the balls that are recycled.

Why score from the near end if you can do it from the middle?
Get rid of the "middle man" and score.

Defense is being highly underestimated.
I played soccer for years. Its very different when its by yourself vs. an opposing team.
how many mid-field shots in soccer actually score? While certainly not impossible, it's going to be much more difficult to score from the midfield than from the end - and most of the time, you'll see midfield shots bouncing out of the goals and the scorers having to pick them up to score.
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Unread 12-02-2010, 11:16
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Re: Robots Advantages

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Originally Posted by eagle33199 View Post
how many mid-field shots in soccer actually score? While certainly not impossible, it's going to be much more difficult to score from the midfield than from the end - and most of the time, you'll see midfield shots bouncing out of the goals and the scorers having to pick them up to score.
I'm not sure if I agree with this. the game of soccer and breakaway are very similar, but they are also very different. Correct me if I'm wrong, but the reason why shots in soccer are not scored generally from midfield is because of human capability. It seems unreasonable to expect a person to kick a soccer ball 150 feet accurately into a goal, but I can't imagine getting a robot to score from 27 feet will be as difficult. Especially this year with vision tracking, teams will be able to "lock on" to goals to increase accuracy.
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Unread 12-02-2010, 11:22
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Re: Robots Advantages

The key to the game is control of the balls, from possession to zones to the return. If (if) everything goes to plan, 2791's robot is optimized for maximum ball control. A high traction, powerful, and fast drive secures balls at the drop. The kicker will hopefully make goals from mid range, but we're aiming to feed a favorable number of balls to our striker(s), even if we don't score ourselves. The defensive limitations make powerful offensive strategies possible as long as you have midfield advantage.

While the robot is optimized to control balls with long kicks and fighting for the ball drop, a short range kick mode (maybe) and bump climbing ability allow the robot to switch to tough defense and striker positions without much compromise. I'm really happy with the decisions made for the robot, as I think they emphasize facets of the game that will make us a valuable robot to many alliances.

That is, if everything comes together. That will be 2791's edge this year. I hope.
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Unread 12-02-2010, 12:09
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Re: Robots Advantages

Quote:
Originally Posted by BradMello View Post
I'm not sure if I agree with this. the game of soccer and breakaway are very similar, but they are also very different. Correct me if I'm wrong, but the reason why shots in soccer are not scored generally from midfield is because of human capability. It seems unreasonable to expect a person to kick a soccer ball 150 feet accurately into a goal, but I can't imagine getting a robot to score from 27 feet will be as difficult. Especially this year with vision tracking, teams will be able to "lock on" to goals to increase accuracy.
Yes, in perfect conditions the vision tracking helps teams line up to score amazingly well. Now, lets throw in some obstacles... a bump between you and the goal, requiring you to kick the ball pretty hard to get it there... hard enough that the memory foam might bounce the ball back out? A defending robot that may sit right in front of the goal you're trying to shoot at, blocking any shot. Another midfield robot from the opposition coming over and ramming you, or getting in front of you.

Something our team learned in our first year: If you need precision or a significant amount of time to operate your mechanism, it won't work as intended. While the vision targets will help you line up nicely, it will still take some time to get lined up and shoot - time the other team can use to harass you and block the shot. Playing defense is, in a way easier than playing offense - all you have to do is get in the way or push the other person around. Defense doesn't have to have precision, it doesn't have to be perfectly lined up. Offense does.

In soccer, i can fairly reliably kick a ball from midfield to the goal, if it's just me standing there. But with the other team chasing me and a goalie standing there, I'm not going to be able to score that way.
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Unread 12-02-2010, 12:27
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Re: Robots Advantages

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Originally Posted by eagle33199 View Post
A defending robot that may sit right in front of the goal you're trying to shoot at, blocking any shot. Another midfield robot from the opposition coming over and ramming you, or getting in front of you.
If the opponent is dedicating two robots to defend your one, you should have the edge in the match.
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Unread 12-02-2010, 11:49
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Re: Robots Advantages

Quote:
Originally Posted by eagle33199 View Post
how many mid-field shots in soccer actually score? While certainly not impossible, it's going to be much more difficult to score from the midfield than from the end - and most of the time, you'll see midfield shots bouncing out of the goals and the scorers having to pick them up to score.
You bring up a good point. If there is a defender on the goal end it will be very difficult to make the shot. Additionally, most robots will congregate in the mid field making shots much more difficult to make. However, I still believe that there will be some robots that will be able to make goals from the mid field area and these will be the robots that shine at the competition. This would require the robot to quickly control, aim, and fire the ball, which is not an easy task. If the shot is not made, at least the ball is moved from the mid field area to the goal area.
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Unread 12-02-2010, 14:57
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Re: Robots Advantages

Quote:
Originally Posted by eagle33199 View Post
how many mid-field shots in soccer actually score? While certainly not impossible, it's going to be much more difficult to score from the midfield than from the end - and most of the time, you'll see midfield shots bouncing out of the goals and the scorers having to pick them up to score.
In soccer, humans dont attempt midfield shots because a goalie is blocking one goal, and the probability of scoring is low to none.
You have two goals in this game with 1 opposing robot.
If two dominating scorers can score with a great degree of accuracy from midfield, which one do you defend?
This strategy isnt foolproof nor will we see it regulary at regionals. But, wait to you get to CMP.

And if for some reason you dont make a shot, plan B takes into effect where a possible near shooter attempts shots.
There's a reason why you have chains and memory foam as part of the goal.
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Unread 12-02-2010, 15:02
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Re: Robots Advantages

Quote:
Originally Posted by waialua359 View Post
Those that can "control" the middle of the field will dominate, as it is the source of the balls that are recycled.

Why score from the near end if you can do it from the middle?
Get rid of the "middle man" and score.

Defense is being highly underestimated.
I played soccer for years. Its very different when its by yourself vs. an opposing team.
I agree with you entirely, especially since I play as a striker or a sweeper in soccer... though I think good defensive teams will have a very tough time getting recognized. My girlfriend put it perfectly: "it's not much fun watching you play when you play defense, because it only gets exciting if you screw up".

Our team is going to be more defensively minded I think, and I will be really disappointed if we get written off because we weren't as noticeable as a high-scoring team.
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