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What impact and benefits does the analysis and evaluation of human biomechanics data have on the design and optimization of exoskeleton robots?

2023-07-26

Exoskeleton robots, simply put, are robots that are "worn on the outside of the human body." They are designed based on bionics and ergonomics and are also known as "wearable robots." It feels like the cool battle suits from movies like Iron Man have now entered our lives, which is quite delightful. Exoskeleton robots are a new type of assistive device that can help healthy individuals perform tasks that typically require significant strength or high skill levels, and assist people with physical disabilities in working and living better. Exoskeleton robots generally consist of a support system, a power assist system, and a body motion control system. The support system is primarily responsible for bearing weight and providing support for the exoskeleton; the power assist system has strong thrust, enabling the robot to perform movements that are difficult for the human body to accomplish on its own; the body motion control system is the core of the exoskeleton robot, capable of accurately controlling the movements of the human limbs based on a deep understanding of human physiological structure. The key to exoskeleton robots lies in a thorough grasp of human kinematics and physiology, as well as a high precision in simulating and controlling their movements.

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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.

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.

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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.

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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.

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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.

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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.

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