We'd like to share some interesting thoughts when we take a closer look at the HEXBUG movement.

Why?​

The answer is LOCKDOWN...

Apparently we can't get access to the RoA map for the time being due to the subsequent stagnation in logistics.

Good news is though, we've got our HEXBUG on hand. So we're attempting to find a walkaround to know better about how HEXBUG is expected to move on map.

How? Video modeling!​

Tracker is a free video analysis and modeling tool built on the Open Source Physics Java framework. It is designed to be used in physics education.

Through the position change of Hexbug in a video, we calculated various data of HEXBUG frame by frame, eg.

• velocity in the x-direction;
• velocity in the y-direction;
• angular speed;
• ...

In this way we could understand the HEXBUG movement characteristics properly.

Ready?​

To prepare for the analysis, it is necessary to

Establish a coordinate system​

The 36mm path edge can be considered as x-axis of our analysis.

Set a benchmark​

Pick a frame where the HEXBUG looks almost perpendicular to the stand, while we use the its own length, around 4.3cm, as the benchmark.

As the bug is in black, which is not so different from the books and black ruler used to build the competition field nearby on the pixel template, the particles will be located on the nearby track during automatic tracking.

Therefore, we used manual tracking, that is, manually determined the particles on each frame. Particle A is the bug head and particle B is the bug tail.

Determine the video frame rate​

Moreover, we selected 170 frames in the video for analysis. A frame rate of 60/s is adopted.

What did we find?​

The charts below show us some inspiring results.

We ended up an average $V_x$, to say velocity in forward direction, around $0.3m/s$. Here we kept the outlying data point to take its arbitrary lateral movement into account.

We rock!​

To conclude, the average velocity of HEXBUG in forward direction can be considered around 0.3m/s, but the movement of HEXBUG in lateral direction is more arbitrary.

Hopefully this could bring some insight of how the HEXBUG actually moves on our game map.
Cheers!

主体位置与连接​

编程器主体部分的建议组装形式如下，包括

• 液晶屏
• OLED屏
• 颜色识别传感器
• 温度传感器
• 时钟模块
• 存储模块

尼龙柱的组装位置和方式可以根据项目的实际需要进行更改。
在代码编辑、测试完成、存储在板上存储模块后，可以直接运行存档快速启动进入程序功能，而无需操作液晶显示屏上的菜单。

As Rise of Aspirants 2022 launches officially in mid May every year, we'd like to brief the rule of challenge here.

Introduction​

A Bristlebot will move arbitarily on the given game map. Players are expected to place sensors and control setups on the appointed locations. Via combinations of setups, players could influence the movement of HEXBUG actively or responsively.

器材内容​

挑战器材套件电子部分包含以下主要部件与模块