{
    "regulation": "IIHS",
    "crash_test": "Rear Sled",
    "version": "2025 24 kph",
    "description": "protocol based on... 2025",
    "vehicle": {
        "occupants": [
            {
                "position": "Driver",
                "product": "BioRID-II",
                "anthropometry": "50M"
            }
        ],
        "structures": ["Contact Head to Head Rest", "Sled", "Seat Components"]
    },
    "vt_channels": [
        {
            "name": "IIHS Whiplash Prevention Evaluation 2025 (24 km/h pulse)",
            "head_excursion": {
                "plot_ref": true,
                "plot_sim": false,
                "method": "head_contact_time_iihs",
                "button_text": "Calculate Head Contact Time",
                "hover_text": [
                    "Plot the head contact force for the selected reference and set max evaluation interval based on it."
                ]
            },
            "popup_message": [
                " - the ${name} protocol specifies that the maximum evaluation interval is ${t_max}",
                "   this is to ensure the simulation has run for long enough. Any data points after the max time will be cut-off.",
                "   Click on \"Calculate Head contact time\" to set the maximum evaluation interval. The head contact force for the selected",
                "   reference will be plotted so that you can inspect them and ensure that your simulation duration was long enough.",
                "   If not, you will need to re-run your analysis for longer."
            ],
            "t_max": "End of head contact time + 0.01 s (ref test)",
            "x_axis_interval": 0.0001,
            "rating_method": "ISO/TS 18571:2024",
            "criteria": [
                {
                    "sensor": "Head acceleration resultant [X,Y,Z]",
                    "reference": "Euro NCAP Technical Bulletin V4.1 Nov 2023 TB021 (section 6.3.3)",
                    "channels": ["1[1,3]HEAD0000BRACRD"],
                    "weighting_method": "MAGNITUDE",
                    "threshold": 0.7,
                    "above": "GREEN",
                    "below": "RED",
                    "mandatory": true
                },
                {
                    "sensor": "Upper Neck Force",
                    "reference": "Euro NCAP Technical Bulletin V4.1 Nov 2023 TB021 (section 6.3.3)",
                    "channels": ["11NECKUP00BRFOXB", "11NECKUP00BRFOZB"],
                    "weighting_method": "MAGNITUDE",
                    "threshold": 0.7,
                    "above": "GREEN",
                    "below": "RED",
                    "mandatory": false
                },
                {
                    "sensor": "Upper Neck Moment",
                    "reference": "Euro NCAP Technical Bulletin V4.1 Nov 2023 TB021 (section 6.3.3)",
                    "channels": ["11NECKUP00BRMOYB"],
                    "weighting_method": "MAGNITUDE",
                    "threshold": 0.7,
                    "above": "GREEN",
                    "below": "RED",
                    "mandatory": false
                },
                {
                    "sensor": "T1 left acceleration resultant [X,Z]",
                    "reference": "Euro NCAP Technical Bulletin V4.1 Nov 2023 TB021 (section 6.3.3)",
                    "channels": ["1[1,3]THSP01LEBRACRD"],
                    "weighting_method": "MAGNITUDE",
                    "threshold": 0.7,
                    "above": "GREEN",
                    "below": "RED",
                    "mandatory": true
                },
                {
                    "sensor": "T1 right acceleration X",
                    "reference": "Euro NCAP Technical Bulletin V4.1 Nov 2023 TB021 (section 6.3.3)",
                    "channels": ["1[1,3]THSP01RIBRACXD"],
                    "weighting_method": "MAGNITUDE",
                    "threshold": 0.7,
                    "above": "GREEN",
                    "below": "RED",
                    "mandatory": true
                },
                {
                    "sensor": "L1 acceleration resultant [X,Z]",
                    "reference": "Euro NCAP Technical Bulletin V4.1 Nov 2023 TB021 (section 6.3.3)",
                    "channels": ["1[1,3]LUSP0100BRACRD"],
                    "weighting_method": "MAGNITUDE",
                    "threshold": 0.7,
                    "above": "GREEN",
                    "below": "RED",
                    "mandatory": true
                },
                {
                    "sensor": "Pelvis acceleration resultant [X,Y,Z]",
                    "reference": "Euro NCAP Technical Bulletin V4.1 Nov 2023 TB021 (section 6.3.3)",
                    "channels": ["1[1,3]PELV0000BRACRD"],
                    "weighting_method": "MAGNITUDE",
                    "threshold": 0.7,
                    "above": "GREEN",
                    "below": "RED",
                    "mandatory": true
                },

                {
                    "sensor": "Head to Headrest Contact",
                    "reference": "Red C Figures 162p3 page 48",
                    "channels": ["11HEADRE00BRFOX0"],
                    "weighting_method": "MAGNITUDE",
                    "threshold": 0.7,
                    "above": "GREEN",
                    "below": "RED",
                    "mandatory": false
                },
                {
                    "sensor": "Sled Acceleration",
                    "reference": "ISO_MME_Channels_Frontal_Simulations.xlsx",
                    "channels": ["S0SLED000000ACXD"],
                    "weighting_method": "MAGNITUDE",
                    "threshold": 0.7,
                    "above": "GREEN",
                    "below": "RED",
                    "mandatory": false
                }
            ]
        }
    ]
}
