13 Apr

Computational Design of Planar 3D Structures -- Buckling -- Intermedium Results

Chang Liu

1. Here is the intermedium results: plane stress of a CFFF rectangle plate, with uniaxial load The magnitude is the same, results are close (at least visually). Stress u direction displacement v direction displacement (results do not match well, but this is not the direction of interes...

12 Apr

FORAY - Flying test: tested two FPV cameras

Zhaoliang Zheng

We tested two FPV cameras on a flying blimp. The Search camera looks aweseome:

12 Apr

FORAY - Flying test: Vertical and horizontal control

Zhaoliang Zheng

The vertical and horizontal control of the new design:

11 Apr

von Mises Fisher Distributions in Quantum Information

Cody Fan

Last month Tsang-Kai emailed me his proof for the solution for KL Average for von Mises-Fisher distributions. Now we are looking for ways in which we can apply this to different real engineering problems that exist. One interesting application of von Mises-Fisher distributions is in Quantum Infor...

08 Apr

MaskTrackRCNN_DeepSort: an open-source starting point for multi-object tracking & instance segmentation

Bryan Bednarski - April 8, 2021 This repo serves as a jumping-off point for system integration of semantic instance segmentation and multi-object tracking in real-time applications. The initial goal of this work was the explore possible optimizations in semantic segmentation through tried-and-true...

07 Apr

von Mises-Fisher distributions in machine learning

Tsang-Kai Chang

In our previous paper, we investigate the consensus problem with von Mises distribution. We want to extend our analysis to more general distributions, in particular the von Mises-Fisher (vMF) distribution over hyperspheres. In fact, vMF distributions are used in some machine learning algorithms. I...

06 Apr

Computational Design of Planar 3D Structures -- Buckling -- Intermedium Results

Chang Liu

There are three steps I will take in order to implement this design tool: Step 1: Verify I operate correctly in FEA (Solidworks Simulation). In order to do this, I will use some existing numerical solution and/or analytical solutions to find out critical buckling load. Then I will apply this criti...

31 Mar

FORAY - Flying test: Vertical control on a newly designed balloon

Zhaoliang Zheng

Vertical control on the newly design balloon: We will start testing horizontal control shortly.

31 Mar

FORAY - A newly designed balloon v.s. previous balloon

Zhaoliang Zheng

Old custom balloon: Newly design balloon: Compared with previous balloon, the newly design balloon has better shape for our capture mechanism. And the leakage situation is also better after we imporve and iterate our manufacturing process.

31 Mar

FORAY - Capture mechanism testing on Balloon: Capture ball with FPV cam

Zhaoliang Zheng

After testing our previous active caputure mechanism, we found that one is pretty unstable, so this week, we tried another passive capture mechanism. And it worked nice. During the test, we did find some bugs that we need to fix. We'll try to fix that this week.

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