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Goal Troll

Goal Troll. Alan Gerber Evan Tobac James Forbes Cem Onyuksel. Concept and Motivation.

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Goal Troll

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  1. Goal Troll Alan Gerber Evan Tobac James Forbes Cem Onyuksel

  2. Concept and Motivation This project will allow for NHL officials to determine if a puck crosses the goal line with better accuracy than the existing tools. The prototype uses embedded components such as ultra wide-band transmitters and receivers in both the puck and around the net, as well as a light and buzzer that will go off when the puck crosses the line. Goal??? Goal???

  3. Hawkeye: British visual ball-tracker - triangulation using visual images from multiple cameras - used in tennis, tested in British Premier League Problems in systems like this for goal-oriented team sports: "You cannot ensure it works when there are a bunch of players inside the goalmouth and you cannot see the ball, or when there is poor visibility." Competitive Analysis Cairos: German soccer ball tracker - RF transmitters" in shinguards & ball - measures at 2000 Hz - also uses magnetic field for accuracy around goals - tested in 2007 World Cup - interference problems: "had failed in one of seven trial matches during the World Club Championships in Tokyo in December because of interference on the signal being sent to the referee's watch device."

  4. Functional Requirements: - Transmitter mounted in the hockey puck - Multiple receives mounted in and around the goal - Detect anytime the hockey puck crosses into the goal (a goal is scored) - Not trigger if a goal is not scored. - Transmits ultra-wide band signals from puck - Receivers calculate distance to the puck - Multiple receivers triangulate position of the puck to determine if a goal is scored Energy Requirement: - The puck shall have enough power to last through an entire hockey game. Performance Requirement: - The puck's location must be calculated to within one inch Reliability Requirement: - The puck and goal system must be durable enough to not break during hockey games Requirements

  5. Technical Requirements Use Ultra Wide Band radio frequency protocol (3-10GHz)

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