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EVA Spacewalk Biomonitoring Dashboard: Understanding Astronaut Health in Orbit

A vital tool for ensuring astronaut safety during extravehicular activities (EVAs), this dashboard integrates complex physiological and environmental factors.

mysimulator teamUpdated June 2026≈ 3 min read▶ Open the simulation

What the Biomonitoring Dashboard Tracks

The EVA Spacewalk Biomonitoring Dashboard monitors critical physiological parameters such as heart rate and core temperature. These metrics are essential for assessing an astronaut's physical condition during extravehicular activities (EVAs).

Simultaneously, it tracks the suit’s oxygen consumption and cooling water flow, which are crucial for maintaining the astronaut's safety and comfort.

How It Works

The dashboard uses models like the heat-balance model to simulate how an astronaut's body responds to physical exertion in a zero-gravity environment. The Karvonen formula is employed to estimate heart rate zones, ensuring that astronauts do not overexert themselves.

Simulated telemetry strip-charts display these parameters over time, providing real-time data for mission control and the astronaut.

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Why It Matters

Accurate monitoring of an astronaut's physiological state during EVAs is crucial for safety. Any deviation from normal can indicate a health issue that needs immediate attention.

Additionally, understanding how different workloads affect the body helps in designing more efficient and safer EVA procedures.

Real-World Applications

The models used in this dashboard are based on real physiological data from astronauts. They help mission control make informed decisions about an astronaut's workload during EVAs.

By simulating various scenarios, the dashboard aids in training and planning for future space missions.

Frequently asked questions

How does the heat-balance model work?

The heat-balance model accounts for the energy gained through physical activity and lost through radiation, conduction, and evaporation. It helps predict how an astronaut's body temperature will change during different EVA activities.

Why is the Karvonen formula important in monitoring heart rate?

The Karvonen formula calculates target heart rates based on age and resting heart rate, providing a safe range for physical activity. This ensures that astronauts do not overexert themselves during EVAs.

What does the telemetry strip-chart display?

The strip-charts show real-time data of an astronaut's physiological parameters like heart rate and core temperature, as well as suit performance metrics such as oxygen consumption and cooling water flow.

How is the 2D scene used in this simulation?

The pannable 2D scene simulates the downlink to a relay antenna, showing how data is transmitted from the astronaut’s suit back to mission control. This helps visualize the communication link and its impact on data availability.

Try it live

Everything above runs in your browser — open EVA Spacewalk Biomonitoring Dashboard (2D) and change the parameters while it is running. Nothing is installed, nothing is uploaded, the whole model lives in one tab.

▶ Open EVA Spacewalk Biomonitoring Dashboard (2D) simulation

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