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InputHarmonyAnalyzer - Rally Stage - Aston Martin DBR9

Input harmony analysis: coordination between steering, throttle, and brake

Sample Data​

AttributeValue
Sourcemotec
Categoryrally_stage
File/Users/mhild/src/durandom/racing/b4racing/packages/source-motec/tests/fixtures/telemetry-NGP-Car_5-Aston_Martin_DBR9-Stage_138-20260122_120000.ld

Available Channels: brake, clutch, distance, gear, lap_distance_pct, lat_accel, long_accel, pitch, position_x, position_y, position_z, raw_LB.brakeDiskLayerTemp, raw_LB.brakeDiskTemp, raw_LB.brakeWear, raw_LB.currentTyreSegment, raw_LB.dampingForce, raw_LB.deflectionVelocity, raw_LB.helperSpringActive, raw_LB.innerBumpDeflectionVelocity, raw_LB.outerBumpDeflectionVelocity, raw_LB.rollbarForce, raw_LB.segmentData[0].temperature, raw_LB.segmentData[1].temperature, raw_LB.segmentData[2].temperature, raw_LB.segmentData[3].temperature, raw_LB.segmentData[4].temperature, raw_LB.segmentData[5].temperature, raw_LB.segmentData[6].temperature, raw_LB.segmentData[7].temperature, raw_LB.springForce, raw_LB.strutForce, raw_LB.temperature, raw_LB.treadTemperature, raw_LB.wear[0], raw_LB.wear[1], raw_LB.wear[2], raw_LB.wear[3], raw_LB.wear[4], raw_LB.wear[5], raw_LB.wear[6], raw_LB.wear[7], raw_LF.brakeDiskLayerTemp, raw_LF.brakeDiskTemp, raw_LF.brakeWear, raw_LF.currentTyreSegment, raw_LF.dampingForce, raw_LF.deflectionVelocity, raw_LF.helperSpringActive, raw_LF.innerBumpDeflectionVelocity, raw_LF.outerBumpDeflectionVelocity, raw_LF.rollbarForce, raw_LF.segmentData[0].temperature, raw_LF.segmentData[1].temperature, raw_LF.segmentData[2].temperature, raw_LF.segmentData[3].temperature, raw_LF.segmentData[4].temperature, raw_LF.segmentData[5].temperature, raw_LF.segmentData[6].temperature, raw_LF.segmentData[7].temperature, raw_LF.springForce, raw_LF.strutForce, raw_LF.temperature, raw_LF.treadTemperature, raw_LF.wear[0], raw_LF.wear[1], raw_LF.wear[2], raw_LF.wear[3], raw_LF.wear[4], raw_LF.wear[5], raw_LF.wear[6], raw_LF.wear[7], raw_RB.brakeDiskLayerTemp, raw_RB.brakeDiskTemp, raw_RB.brakeWear, raw_RB.currentTyreSegment, raw_RB.dampingForce, raw_RB.deflectionVelocity, raw_RB.helperSpringActive, raw_RB.innerBumpDeflectionVelocity, raw_RB.outerBumpDeflectionVelocity, raw_RB.rollbarForce, raw_RB.segmentData[0].temperature, raw_RB.segmentData[1].temperature, raw_RB.segmentData[2].temperature, raw_RB.segmentData[3].temperature, raw_RB.segmentData[4].temperature, raw_RB.segmentData[5].temperature, raw_RB.segmentData[6].temperature, raw_RB.segmentData[7].temperature, raw_RB.springForce, raw_RB.strutForce, raw_RB.temperature, raw_RB.treadTemperature, raw_RB.wear[0], raw_RB.wear[1], raw_RB.wear[2], raw_RB.wear[3], raw_RB.wear[4], raw_RB.wear[5], raw_RB.wear[6], raw_RB.wear[7], raw_RF.brakeDiskLayerTemp, raw_RF.brakeDiskTemp, raw_RF.brakeWear, raw_RF.currentTyreSegment, raw_RF.dampingForce, raw_RF.deflectionVelocity, raw_RF.helperSpringActive, raw_RF.innerBumpDeflectionVelocity, raw_RF.outerBumpDeflectionVelocity, raw_RF.rollbarForce, raw_RF.segmentData[0].temperature, raw_RF.segmentData[1].temperature, raw_RF.segmentData[2].temperature, raw_RF.segmentData[3].temperature, raw_RF.segmentData[4].temperature, raw_RF.segmentData[5].temperature, raw_RF.segmentData[6].temperature, raw_RF.segmentData[7].temperature, raw_RF.springForce, raw_RF.strutForce, raw_RF.temperature, raw_RF.treadTemperature, raw_RF.wear[0], raw_RF.wear[1], raw_RF.wear[2], raw_RF.wear[3], raw_RF.wear[4], raw_RF.wear[5], raw_RF.wear[6], raw_RF.wear[7], raw_distanceToEnd, raw_driveLineLocation, raw_engineCoolantHeatState.temperatu, raw_engineTemperature, raw_footbrakePressure, raw_handbrakePressure, raw_raceTime, raw_radiatorCoolantHeatState.tempera, raw_steering, raw_vecAngularAccelerationCar.x, raw_vecAngularAccelerationCar.y, raw_vecAngularAccelerationCar.z, raw_vecAngularVelocityCar.x, raw_vecAngularVelocityCar.y, raw_vecAngularVelocityCar.z, raw_vecAvgAngularAccelerationCar.x, raw_vecAvgAngularAccelerationCar.y, raw_vecAvgAngularAccelerationCar.z, raw_vecAvgLinearAccelerationCar.x, raw_vecAvgLinearAccelerationCar.y, raw_vecAvgLinearAccelerationCar.z, raw_vecRelativeAngularAcceleration.x, raw_vecRelativeAngularAcceleration.y, raw_vecRelativeAngularAcceleration.z, raw_vecRelativeAngularVelocity.x, raw_vecRelativeAngularVelocity.y, raw_vecRelativeAngularVelocity.z, raw_vecRelativeLinearAcceleration.x, raw_vecRelativeLinearAcceleration.y, raw_vecRelativeLinearAcceleration.z, raw_vecRelativeLinearVelocity.x, raw_vecRelativeLinearVelocity.y, raw_vecRelativeLinearVelocity.z, roll, rpm, speed, speed_kph, speed_mph, steering, suspension_fl_travel, suspension_fr_travel, suspension_rl_travel, suspension_rr_travel, throttle, time, tire_pressure_fl, tire_pressure_fr, tire_pressure_rl, tire_pressure_rr, tire_temp_fl, tire_temp_fr, tire_temp_rl, tire_temp_rr, track_pct, velocity_x, velocity_y, velocity_z, vert_accel, yaw

Configuration​

SettingValue
Slice Typelap
Metadata OnlyFalse
Required Channelssteering, throttle, brake, time

When to Use​

  • User asks about input coordination
  • User wants to know if they're fighting the car
  • User asks 'how smooth are my inputs?'
  • User wants to improve flow through corners

Key Options​

OptionDescription
lap_selectionall
conflict_thresholdSensitivity for conflict detection (default: 0.3)

Sample Output​

Subjects Analyzed: 1

Default Sensitivity​

Options: conflict_threshold=0.3

{
  "metrics": [
    {
      "subject_id": "d0c8e5bbf805540b",
      "driver_name": "RSF driver",
      "harmony_score": 70.94285948625435,
      "conflict_zone_count": 0,
      "conflict_time_pct": 0.0,
      "steering_throttle_correlation": 0.033743588133235566,
      "steering_brake_correlation": -0.05084861295849275,
      "throttle_brake_correlation": -0.06285729908362392,
      "flow_score": 51.571432477090596,
      "fighting_score": 0.0,
      "harmony_score_formatted": "71/100",
      "conflict_time_formatted": "0.0%"
    }
  ],
  "conflict_zones": {
    "d0c8e5bbf805540b": []
  },
  "metadata": {
    "analyzer": "input_harmony",
    "title": "Input Harmony Analysis",
    "subjects_analyzed": 1
  }
}

Metrics Summary​

MetricValue
Subject: d0c8e5bbf805540bRSF driver

Less Sensitive​

Options: conflict_threshold=0.5

{
  "metrics": [
    {
      "subject_id": "d0c8e5bbf805540b",
      "driver_name": "RSF driver",
      "harmony_score": 70.94285948625435,
      "conflict_zone_count": 0,
      "conflict_time_pct": 0.0,
      "steering_throttle_correlation": 0.033743588133235566,
      "steering_brake_correlation": -0.05084861295849275,
      "throttle_brake_correlation": -0.06285729908362392,
      "flow_score": 51.571432477090596,
      "fighting_score": 0.0,
      "harmony_score_formatted": "71/100",
      "conflict_time_formatted": "0.0%"
    }
  ],
  "conflict_zones": {
    "d0c8e5bbf805540b": []
  },
  "metadata": {
    "analyzer": "input_harmony",
    "title": "Input Harmony Analysis",
    "subjects_analyzed": 1
  }
}

Metrics Summary​

MetricValue
Subject: d0c8e5bbf805540bRSF driver

Example Calls​

Am I fighting the car​

analyze(analyzers='input_harmony', event='...')

Analyzes input coordination to detect conflicts

Generated from b4racing.analysis.analyzers.input_harmony.InputHarmonyAnalyzer