探索移动式飞镖革命
Table of Contents
- 🎯 Introduction
- 🎉 The Beast is Finally Here
- 🎯 How the Dartboard Works
- 📐 The Self-Explanatory Mechanism
- 🎯 The Magic Dart
- 💡 Pros and Cons of the Magic Dart
- 🎯 Predicting the Dart's Landing
- 👀 The Secret of Retro Reflectors and Motion Capture
- 👁️ Six Eyes in the Room
- 🔍 Capturing Dart's Position
- 🎯 The Art of Parabolas
- 💡 The Accuracy of Predicting Landing Spot
- 🎯 Moving the Dartboard
- 🚀 The Linear Sliders and Motors
- ⚙️ Trigonometry and Motor Commands
- 📲 The Computer Signals
- 💡 Achieving Sub-millimeter Precision
- 💡 The Jittering Effect
- 🎯 Testing at the Bar
- 🍻 Excitement and Confusion
- 💡 Feedback from Bar-Goers
🎯 Introduction
🎉 The Beast is Finally Here
In the world of darts, skill and precision are key. But what if there was a way to enhance your darts game and become a pro? Enter the incredible dartboard created by an engineering genius. This board has been in the making for over three years, and now, here it is. Get ready to experience the magic of this revolutionary dartboard.
🎯 How the Dartboard Works
📐 The Self-Explanatory Mechanism
The concept behind this dartboard is fairly self-explanatory. You throw a dart, and as long as your initial throw is somewhere within a certain diameter, the dartboard helps you out. The magic lies in the darts themselves. There are two types of darts – one that makes you the world's best player and another that makes you the worst. The secret lies in how the board calculates the initial trajectory and then moves in the exact opposite direction.
🎯 The Magic Dart
The magic lies within the dart itself. Each dart is equipped with tiny retro reflectors that work in conjunction with a Vicon motion capture system. This system uses multiple cameras placed strategically around the room to capture the dart's position in 3D. By analyzing the position of the dart in real-time, the system can predict where the dart will ultimately land.
💡 Pros and Cons of the Magic Dart
Pros:
- Increases the chances of hitting a bullseye
- Enhances the overall accuracy of throws
Cons:
- Relies on the precision of the retro reflectors
- Limited effectiveness with different dart throwing styles
🎯 Predicting the Dart's Landing
👀 The Secret of Retro Reflectors and Motion Capture
To predict where the dart will land, the dartboard utilizes the retro reflectors on the dart and the Vicon motion capture system. This system, with its multiple cameras, can capture the dart's position from various angles. By using the data from these cameras, the system can accurately predict the landing spot of the dart.
👁️ Six Eyes in the Room
Unlike humans, who have two eyes for depth perception, the motion capture system has six cameras placed strategically around the room. Each camera captures a 4K resolution picture 260 times per second. To ensure visibility of the dart against a busy background, the system uses infrared (IR) LEDs to illuminate the retro reflectors on the dart, creating a clear image for analysis.
🔍 Capturing Dart's Position
As the dart moves through the air, the motion capture system tracks its XYZ position. This information is then fed into MATLAB code, which predicts the dart's final landing spot. By applying knowledge of parabolas, which govern the path of objects thrown into the air, the system can accurately predict the dart's vertical and horizontal position.
🎯 The Art of Parabolas
Objects thrown into the air, excluding air resistance, travel in perfect parabolic trajectories. This applies not only to darts but even to athletes in sports like high jump. By understanding the nature of parabolas, the dartboard system can accurately determine the final up and down position of the board based on the dart's vertical trajectory.
💡 The Accuracy of Predicting Landing Spot
With the combination of retro reflectors, motion capture, and mathematical calculations, the dartboard system achieves remarkable accuracy in predicting the dart's landing spot. However, it's important to note that factors such as air resistance and individual throwing techniques can still affect the actual outcome.
🎯 Moving the Dartboard
🚀 The Linear Sliders and Motors
The dartboard itself is mounted on two linear sliders, which provide the necessary range of movement. The real action happens with the help of six separate motors located at the front of the board. Each motor is connected to the board via fishing lines wrapped around a spool.
⚙️ Trigonometry and Motor Commands
To move the dartboard to the predicted landing spot, the computer sends commands to the motors based on trigonometric calculations. These commands control the rotational speed and direction of each motor, enabling precise movement of the board. The computer relays instructions to an Arduino-compatible board, which then amplifies the signals and sends them to the individual stepper motor controllers.
📲 The Computer Signals
The computer signals, after passing through pre-amps, receive power from an ACDC power converter. As voltage pulses are transmitted to the motor controllers, they cause the motors to take small, incremental steps in the desired direction. All of this happens within a fraction of a second, ensuring accurate positioning of the dartboard.
💡 Achieving Sub-millimeter Precision
The combination of linear sliders, precise motor commands, and sub-millimeter precision allows the dartboard to position itself exactly where it needs to be. This level of precision enhances the overall experience and ensures that players can trust the accuracy of each throw.
💡 The Jittering Effect
When observing the dartboard in action, you may notice a slight jittering effect just before it settles into the final position. This is intentional, as the system continuously updates and refines its prediction. By making small adjustments multiple times, the dartboard ensures the best possible positioning for each throw.
🎯 Testing at the Bar
🍻 Excitement and Confusion
To test the effectiveness of the dartboard in a real-life setting, the creators took it to a local bar. The reactions were a mix of excitement and confusion as patrons experienced the dartboard's capabilities firsthand.
💡 Feedback from Bar-Goers
The feedback from bar-goers ranged from amazement at their newfound dart skills to moments of confusion when the dartboard demonstrated its ability to move in unexpected ways. Overall, the dartboard garnered attention and curiosity, leaving everyone intrigued by the technology behind it.
Highlights
- A revolutionary dartboard that enhances throwing accuracy
- The dartboard utilizes retro reflectors and a motion capture system to predict the landing spot
- Precise motor movements provide sub-millimeter positioning accuracy
- Real-life testing at a bar showcases the dartboard's capabilities
Frequently Asked Questions (FAQ)
Q: Can the dartboard improve someone's dart skills?
A: Yes, the dartboard's predictive capabilities can significantly increase the chances of hitting the desired target.
Q: Does the dartboard work with any type of darts?
A: The dartboard is designed to work with specially equipped darts that have retro reflectors. Using standard darts may not yield the same level of accuracy.
Q: How long did it take to create and perfect the dartboard?
A: The creation and refinement of the dartboard took over three years to ensure optimal performance and precision.
Q: Can the dartboard adapt to different throwing styles?
A: While the dartboard can adjust its position based on predicted trajectories, individual throwing techniques can still influence the outcome to some extent.
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