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The combination of BOB and PERCEPTION NEURON helps to conduct large-scale assessments of psychological stress and biomechanical strain in manufacturing environments.

The combination of BOB and PERCEPTION NEURON helps to conduct large-scale assessments of psychological stress and biomechanical strain in manufacturing environments.

2022-12-12

The wearable device we chose is the Perception Neuron, which represents a small, adaptive, multifunctional, and affordable motion capture technology. The modular system is based on the NEURON, an IMU (Inertial Measurement Unit) composed of a 3-axis gyroscope, a 3-axis accelerometer, and a 3-axis magnetometer. This system applies proprietary embedded data fusion, biomechanics, and physics engine algorithms to achieve smooth motion with minimal latency. The Perception Neuron 9-axis sensor unit outputs data at 60fps or 120fps. The data stream is directed to a hub, which can then be transmitted to a computer in three different ways: (1) via WIFI, (2) via USB, or (3) recorded on the motherboard using the built-in micro-SD slot. The modular system on the laptop ultimately applies a skeleton-based model display. To analyze the skeleton-based model, we use the biomechanics software toolkit BoB (Body Biomechanics Analysis). BoB is a software package that allows the creation of digitized human musculoskeletal simulation models.

The BOB human biomechanics analysis software, combined with the Rokoko Smartsuit Pro motion capture equipment, enables biomechanical analysis of police training techniques.

The BOB human biomechanics analysis software, combined with the Rokoko Smartsuit Pro motion capture equipment, enables biomechanical analysis of police training techniques.

2022-11-25

The BOB biomechanical modeling software package is used in conjunction with the Rokoko Smartsuit Pro motion capture device, providing excellent biomechanical analysis of the OTP police physical intervention techniques. It obtains linear velocity and acceleration of body-related parts, angular velocity and acceleration (from muscle stretching or rotation), as well as other dynamic measurements such as muscle tension/compression force, energy, and the power they exert.

The C++ wrapper helps the EikoTwin software to automatically correlate ABAQUS simulation data with measured data.

The C++ wrapper helps the EikoTwin software to automatically correlate ABAQUS simulation data with measured data.

2022-09-08

After years of development and extensive coding practice, our integration with Abaqus through its API and parser is very seamless, and we have resolved many customer cases. In the latest development, the sensitivity study driver in Abaqus allows users to use the solver as a "black box" and estimate which model parameters can be identified in a given test.

BOB Human Skeletal Muscle Modeling and Simulation Software Operation Experience Sharing (Part 2) - Static Image and Video Export Operations

BOB Human Skeletal Muscle Modeling and Simulation Software Operation Experience Sharing (Part 2) - Static Image and Video Export Operations

2022-09-07

Using the BOB human biomechanics analysis software, you can easily view the force state of the subjects' musculoskeletal system during the experiment, including the magnitude, direction, and distribution of forces on muscles and joints. You can also observe the velocity vectors at any moment or throughout the entire process to understand the overall or local motion trajectories. Additionally, the analysis results can be exported as static images or video animations, making it both convenient and practical.

Experience Sharing on BOB Human Skeletal Muscle Modeling and Simulation Software (Part 1) - Introduction to DEMO Version Software Usage

Experience Sharing on BOB Human Skeletal Muscle Modeling and Simulation Software (Part 1) - Introduction to DEMO Version Software Usage

2022-08-19

The BOB demo software (hereinafter referred to as BOB-DEMO software) does not have the capability to import external data, but it allows users to view built-in biomechanical models and export relevant data. The menu bar of the BOB-DEMO software has five main functional items: the first is the selection of built-in human motion models, the second is the view operation options, the third is the analysis function settings options, the fourth is the data output options, and the fifth is help. Today, we will mainly demonstrate the basic interface operations of the BOB-DEMO software through a video.

Help you choose: OpenSim, BoB, AnyBody, which biomechanics analysis software is better to use and more suitable?

Help you choose: OpenSim, BoB, AnyBody, which biomechanics analysis software is better to use and more suitable?

2022-08-01

Having just started exploring biomechanical analysis, how should one choose among the various biomechanical analysis software available? Only those who have truly used different biomechanical analysis software can provide us with some advice! Recently, I came across an evaluation of biomechanical analysis software by three scholars from Chalmers University of Technology - Sports Technology Center. This article was originally published at the 11th International Sports Engineering Association Conference in 2016. I personally feel that the evaluations of biomechanical analysis software in the article are very objective and worth our reference. The biomechanical analysis at Chalmers University of Technology - Sports Technology Center focuses on swimming and utilizes OpenSim, BoB, AnyBody, and SWUM software. Since the SWUM software does not have an interface to import motion data from motion capture systems, we will not consider it for now. The experts from Chalmers University of Technology - Sports Technology Center provided the following descriptions regarding the use of OpenSim, BoB, and AnyBody.

EikoTwin-DIC is the most suitable DIC strain measurement system for simulating model validation.

EikoTwin-DIC is the most suitable DIC strain measurement system for simulating model validation.

2022-06-02

The EikoTwin-DIC strain measurement system uses stereo grid DIC strain measurement technology, which directly imports simulation models into the DIC software analysis system. Based on the simulation model, DIC strain analysis and calculations are performed, and the actual measurement results are displayed directly on the simulation model. This device reduces many human errors, creating a closed-loop communication between simulation design and validation experiments. Both can be compared in real-time on the same platform, significantly improving the efficiency of simulation validation experiments and saving R&D costs!

Using EikoTwin DIC to complete mechanical regularization - adding mechanical conditions to field strain measurements.

Using EikoTwin DIC to complete mechanical regularization - adding mechanical conditions to field strain measurements.

2022-05-23

In this article, we have seen that mechanical regularization in EikoTwin DIC is a mathematical tool that imposes mechanical conditions on the measurement of fields through digital image correlation. Mechanical regularization allows for the correction of certain errors that may occur during the testing process: the simulation grid is too fine, the speckle pattern does not fit the grid size, measurement noise is too significant, hindering the correct interpretation of results, and so on...

In the online conference "HATL & HASS Efficient Reliability Process" of the "Zhize Measurement Technology Sharing Series Lectures", Mr. Zeng Yixiang delivered an excellent and professional speech, full of valuable insights!

In the online conference "HATL & HASS Efficient Reliability Process" of the "Zhize Measurement Technology Sharing Series Lectures", Mr. Zeng Yixiang delivered an excellent and professional speech, full of valuable insights!

2022-05-20

In the online conference "HATL & HASS Efficient Reliability Process" of the "Zhize Measurement Technology Sharing Series Lectures", Mr. Zeng Yixiang delivered an excellent and professional speech, full of valuable insights!

DIC Experiment - Application of Digital Image Correlation Technology in Crack Measurement

DIC Experiment - Application of Digital Image Correlation Technology in Crack Measurement

2022-05-17

The EikoTwin image correlation measurement scheme has been successfully applied in the crack propagation tests of composite materials, fully meeting the client's needs. To ensure customer satisfaction, EikoSim specially customized a measurement plan: a post-processing script was developed to effectively utilize the measurement data from EikoTwin DIC. Paul Nicolino graduated in 2021 with a degree in Mechanical Engineering from INSA Lyon, and the aforementioned measurement scheme was part of his engineering internship at EikoSim.

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