Wenhao Liu

Wenhao Liu

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A list of all the posts and pages found on the site. For you robots out there is an XML version available for digesting as well.

Pages

Posts

Future Blog Post

less than 1 minute read

Published:

This post will show up by default. To disable scheduling of future posts, edit config.yml and set future: false.

Blog Post number 4

less than 1 minute read

Published:

This is a sample blog post. Lorem ipsum I can’t remember the rest of lorem ipsum and don’t have an internet connection right now. Testing testing testing this blog post. Blog posts are cool.

Blog Post number 3

less than 1 minute read

Published:

This is a sample blog post. Lorem ipsum I can’t remember the rest of lorem ipsum and don’t have an internet connection right now. Testing testing testing this blog post. Blog posts are cool.

Blog Post number 2

less than 1 minute read

Published:

This is a sample blog post. Lorem ipsum I can’t remember the rest of lorem ipsum and don’t have an internet connection right now. Testing testing testing this blog post. Blog posts are cool.

Blog Post number 1

less than 1 minute read

Published:

This is a sample blog post. Lorem ipsum I can’t remember the rest of lorem ipsum and don’t have an internet connection right now. Testing testing testing this blog post. Blog posts are cool.

notes

Study notes about Mujoco-python

Published:

These are my notes on learning how to use Mujoco in Python. I record these just more in case I forget if I don’t use it for a while. I used to spend a few days figuring out how to build a Minecraft server to play with my classmates when I was an undergraduate student. I even knew how to edit Mod documents to resolve key mapping conflicts at that time, but now I just remember how to open the server. I would be glad if you clicked here by a strange coincidence and thought it would be helpful.

portfolio

project

Design and Implementation of Permanent Magnet Synchronous Motor Control System Based on CAN Bus

This project is a permanent magnet synchronous motor control system based on Controller Area Network (CAN) bus communication, which can be used in the tripod head, robot dog, manipulator and other high precision and torque requirements of the field. The research content includes hardware design and software debugging of permanent magnet synchronous motor control system. Firstly, the mathematical model and derivation process of permanent magnet synchronous motor and magnetic field oriented control are understood by reading literature. Secondly, according to the function to be realized, a relatively new scheme is selected, that is, DRV8323S in the integrated drive chip DRV83 series of TI Company is used. The hardware design side of the motor driver chip initialization parameters and device selection parameters are calculated in detail, according to the results of the selection of appropriate inverter circuit devices and protective devices, and completed the hardware circuit design and welding. Part of the program design code uses the latest version of HAL library, and first realizes the calculation of CAN communication, ADC sampling and magnetic field oriented control. Finally, the PI parameters of the three rings are debugged, and the control effect is basically realized.
     

Programe flow chart of the Controller

publications

Application of EEG in wearable brain-computer interfaces

Published in ITSSC 2021, 2022

The Electroencephalography (EEG) based brain-computer interfaces is a convenient way to use brain waves to investigate different emotions and some mental disorders. With the development of research and design, it is even possible to use brain waves to control devices (such as robot arms) to improve the life of the disabled. On this basis, based on the summary of previous research results, this paper focuses on the analog front-end of wearable brain computer interface (especially electrode and amplifier) and its related algorithms. The algorithms are developed on the basis of some classical machine learning algorithms, which are more suitable for EEG signals like common spatial paternal and long short-term memory network. This article may provide some convenience and inspiration for future development of EEG-based brain-machine interfaces.

talks

teaching

Teaching experience 1

Undergraduate course, University 1, Department, 2014

This is a description of a teaching experience. You can use markdown like any other post.

Teaching experience 2

Workshop, University 1, Department, 2015

This is a description of a teaching experience. You can use markdown like any other post.