Articulation system for a flash fire manikin

Patent metadata

Field	Value
Publication number	US-12498338-B2
Application number	US-202318223130-A
Country	US
Kind code	B2
Filing date	Jul 18, 2023
Priority date	Jul 27, 2022
Publication date	Dec 16, 2025
Grant date	Dec 16, 2025

Abstract

A flash fire instrumented manikin articulation system designed to evaluate the thermal protective performance of protective clothing when exposed to flames. The flash fire instrumented manikin articulation system includes an instrumented manikin and an articulation system designed to simulate exposure to a flash fire and simulate dynamic movement including walking and jogging.

First claim

What is claimed is:

1 . A dynamic motion instrumented manikin system for flash fire testing comprising:
an instrumented manikin comprising a heat-resistant material and a plurality of limbs; an articulation system comprising a plurality of articulation components, at least one electric motor, and at least one controller; at least one flame generation component; at least one sensor; and at least one data acquisition component; wherein the articulation system, the at least one flame generation component, the at least one sensor, and the at least one data acquisition component are in network communication; and wherein the articulation system is connected to the instrumented manikin via the plurality of articulation components; wherein the at least one electric motor is designed to drive the plurality of articulation components to move the instrumented manikin to simulate at least one dynamic motion, wherein the at least one dynamic motion includes walking or running.

2 . The system of claim 1 , wherein the plurality of limbs includes at least one joint, wherein at least one articulation component of the plurality of articulation components is connected to the at least one joint.

3 . The system of claim 1 , wherein the at least one controller is operable to control the at least one electric motor and the plurality of articulation components, wherein, the at least one controller is further operable to control a position of the plurality of limbs for a predetermined time period using the at least one electric motor and the plurality of articulation components, wherein the predetermined time period includes a time before activation of the at least one flame generation component, a time during activation of the at least one flame generation component, and a time after activation of the at least one flame generation component.

4 . The system of claim 1 , wherein each limb of the plurality of limbs is separately controllable via the at least one controller.

5 . The system of claim 1 , wherein the at least one flame generation component further includes at least one propane component, wherein the at least one flame generation component is further operable to control a flame intensity and a spatial distribution of heat flux engulfing the instrumented manikin.

6 . The system of claim 1 , wherein the at least one flame generation component is operable to control a flame intensity and spatial distribution of heat flux for at least ten seconds.

7 . The system of claim 1 , wherein the at least one flame generation component includes at least eight propane components and is configured to generate a flash fire with an average heat flux of about 84 kw/m 2 .

8 . The system of claim 1 , wherein the plurality of articulation components is attached to the instrumented manikin via a plurality of angle iron mounts.

9 . The system of claim 1 , wherein the at least one sensor is attached to the instrumented manikin, wherein the at least one sensor is operable to capture temperature data corresponding to the heat generated by the at least one flame generation component.

10 . The system of claim 1 , wherein the at least one flame generation component is designed to simulate a flash fire, wherein the at least one sensor further includes a plurality of sensors, wherein at least one sensor of the plurality of sensors is a temperature sensor designed to capture temperature data related to the heat generated by the at least one flame generation component, wherein at least one other sensor includes a movement sensor, wherein the movement sensor is designed to monitor a movement of the instrumented manikin while undergoing the flash fire.

11 . The system of claim 10 , wherein the movement sensor includes an accelerometer or an inertial measurement unit, wherein the movement sensor is operable to monitor a position and a change of position of the instrumented manikin.

12 . The system of claim 9 , wherein the at least one sensor is operable to transmit the temperature data to the at least one data acquisition component, wherein the at least one data acquisition component is operable to determine a temperature and heat flux experienced by the instrumented manikin.

13 . The system of claim 12 , wherein the at least one data acquisition component is further operable to determine at least one injury based on the temperature and heat flux experienced by the instrumented manikin, wherein the at least one injury includes a first-degree burn, a second-degree burn, and/or a third-degree burn, wherein the at least one data acquisition component further determines a percentage of body burned.

14 . The system of claim 12 , wherein the data acquisition component includes a predicted skin burn model to determine a temperature value at an external surface of the instrumented manikin, wherein the predicted skin burn model further estimates the temperature value at an epidermis level and/or an subcutaneous level.

15 . The system of claim 1 , wherein the at least one sensor is operable to measure heat flux from about zero to about 164 kW/m 2 .

16 . A dynamic motion flash fire instrumented manikin test system for simulation of a flash fire comprising:
an instrumented manikin comprising a heat-resistant material and a plurality of limbs; an articulation system comprising a plurality of articulating rods, at least one electric motor, and at least one controller; at least one flame generation component designed to generate a flash fire; at least one data acquisition component; and at least one sensor; wherein the instrumented manikin is operable to simulate dynamic movement, wherein the dynamic movement includes a pumping action of walking or running; wherein the plurality of limbs is connected to the articulation system via the plurality of articulating rods, wherein the at least one electric motor is operable to drive the plurality of articulating rods to simulate the dynamic movement; wherein the at least one controller is operable to move the plurality of limbs for a predetermined time period, wherein the predetermined time period includes a time before activation of the at least one flame generation component, a time during activation of the at least one flame generation component, and a time after activation of the at least one flame generation component; and wherein the at least one sensor is operable to capture heat data, wherein the heat data includes temperature, heat flux, and heat distribution generated by the at least one flame generation component; wherein the heat data further includes temperature, heat flux, and heat distribution near the instrumented manikin, wherein the heat data further includes temperature, heat flux, and heat distribution on an external surface of the instrumented manikin, wherein the at least one sensor is in network communication with the at least one data acquisition component, wherein the at least one data acquisition component is designed to receive the heat data from the at least one sensor, wherein the at least one data acquisition component is operable to determine at least one effect of the heat generated by the at least one flame generation component on the instrumented manikin.

17 . The system of claim 16 , wherein the at least one flame generation component is operable to control a flame intensity and spatial distribution of heat flux around the instrumented manikin.

18 . The system of claim 16 , wherein the at least one sensor includes a thermal energy sensor, wherein the thermal energy sensor measures heat flux between about

Assignees

• Univ North Carolina State

Inventors

• Morton-Aslanis John
• Barker Roger L
• Deaton A Shawn
• Bui Hai
• Martin Mark

Classifications

• G09B23/30

  Anatomical models {(G09B23/281 - G09B23/288 take precedence)} · CPC title

• A62B17/003

  Fire-resistant or fire-fighters' clothes · CPC title

• A41D31/08

  Heat resistant; Fire retardant · CPC title

• G09B23/16

  for science of heat · CPC title

• G01N25/005 Primary

  by investigating specific heat · CPC title