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trajectory_id int64 0 60.1k | time_step float64 0 0.3 | position float64 -1.32 169 | current_mA float64 -51.4 639 | voltage_V float64 7.24 8.32 | velocity float64 -2,891.6 2.96k | target_position float64 -1.23 169 |
|---|---|---|---|---|---|---|
0 | 0 | 155.830078 | 12.4 | 8.296 | 0 | 50.097656 |
0 | 0.005 | 155.830078 | 8.3 | 8.3 | 0 | 50.097656 |
0 | 0.01 | 155.830078 | 8.6 | 8.3 | 0 | 50.097656 |
0 | 0.015 | 155.830078 | 11.3 | 8.296 | 0 | 50.097656 |
0 | 0.02 | 155.830078 | 9 | 8.3 | 0 | 50.097656 |
0 | 0.025 | 155.830078 | 9 | 8.296 | 0 | 50.097656 |
0 | 0.03 | 155.830078 | 7.7 | 8.296 | 0 | 50.097656 |
0 | 0.035 | 155.830078 | 445.600006 | 8.028 | -61.523437 | 50.097656 |
0 | 0.04 | 155.214844 | 371.399994 | 8.064 | -140.625 | 50.097656 |
0 | 0.045 | 154.423828 | 345.100006 | 8.092 | -246.09375 | 50.097656 |
0 | 0.05 | 152.753906 | 289.799988 | 8.112 | -395.507813 | 50.097656 |
0 | 0.055 | 150.46875 | 252.600006 | 8.14 | -500.976563 | 50.097656 |
0 | 0.06 | 147.744141 | 227.5 | 8.152 | -465.820312 | 50.097656 |
0 | 0.065 | 145.810547 | 212.899994 | 8.164 | -536.132812 | 50.097656 |
0 | 0.07 | 142.382813 | 188.600006 | 8.18 | -826.171875 | 50.097656 |
0 | 0.075 | 137.548828 | 168.300003 | 8.204 | -755.859375 | 50.097656 |
0 | 0.08 | 134.824219 | 157.399994 | 8.204 | -817.382812 | 50.097656 |
0 | 0.085 | 129.375 | 147.199997 | 8.204 | -975.585938 | 50.097656 |
0 | 0.09 | 125.068359 | 141.699997 | 8.212 | -870.117188 | 50.097656 |
0 | 0.095 | 120.673828 | 118.599998 | 8.216 | -870.117187 | 50.097656 |
0 | 0.1 | 116.367188 | 119.099998 | 8.232 | -896.484375 | 50.097656 |
0 | 0.105 | 111.708984 | 128.600006 | 8.22 | -922.851563 | 50.097656 |
0 | 0.11 | 107.138672 | 101.5 | 8.228 | -922.851562 | 50.097656 |
0 | 0.115 | 102.480469 | 103.599998 | 8.22 | -914.0625 | 50.097656 |
0 | 0.12 | 97.998047 | 117.300003 | 8.236 | -905.273438 | 50.097656 |
0 | 0.125 | 93.427734 | 114.5 | 8.224 | -922.851562 | 50.097656 |
0 | 0.13 | 88.769531 | 115.099998 | 8.236 | -914.0625 | 50.097656 |
0 | 0.135 | 84.287109 | 112.599998 | 8.24 | -922.851562 | 50.097656 |
0 | 0.14 | 79.541016 | 98.099998 | 8.228 | -949.21875 | 50.097656 |
0 | 0.145 | 74.794922 | 100.900002 | 8.232 | -1,037.109375 | 50.097656 |
0 | 0.15 | 69.169922 | 92.900002 | 8.236 | -843.75 | 50.097656 |
0 | 0.155 | 66.357422 | 39.200001 | 8.26 | -905.273437 | 50.097656 |
0 | 0.16 | 60.117188 | -19.4 | 8.316 | -878.90625 | 50.097656 |
0 | 0.165 | 57.568359 | -25.200001 | 8.312 | -650.390625 | 50.097656 |
0 | 0.17 | 53.613281 | 56.599998 | 8.264 | -597.65625 | 50.097656 |
0 | 0.175 | 51.591797 | 39.400002 | 8.252 | -298.828125 | 50.097656 |
0 | 0.18 | 50.625 | 33 | 8.28 | -123.046875 | 50.097656 |
0 | 0.185 | 50.361328 | 11.5 | 8.296 | -52.734375 | 50.097656 |
0 | 0.19 | 50.097656 | 6.2 | 8.296 | -26.367187 | 50.097656 |
0 | 0.195 | 50.097656 | 9.1 | 8.292 | 0 | 50.097656 |
0 | 0.2 | 50.097656 | 9.1 | 8.296 | 0 | 50.097656 |
0 | 0.205 | 50.097656 | 10.3 | 8.296 | 0 | 50.097656 |
0 | 0.21 | 50.097656 | 10.1 | 8.296 | 0 | 50.097656 |
0 | 0.215 | 50.097656 | 10.1 | 8.292 | 0 | 50.097656 |
0 | 0.22 | 50.097656 | 10.3 | 8.296 | 0 | 50.097656 |
0 | 0.225 | 50.097656 | 10 | 8.296 | 0 | 50.097656 |
0 | 0.23 | 50.097656 | 9.9 | 8.296 | 0 | 50.097656 |
0 | 0.235 | 50.097656 | 10 | 8.296 | 0 | 50.097656 |
0 | 0.24 | 50.097656 | 9.9 | 8.3 | 0 | 50.097656 |
0 | 0.245 | 50.097656 | 10.1 | 8.296 | 0 | 50.097656 |
0 | 0.25 | 50.097656 | 10.3 | 8.292 | 0 | 50.097656 |
0 | 0.255 | 50.097656 | 10 | 8.296 | 0 | 50.097656 |
0 | 0.26 | 50.097656 | 10.3 | 8.296 | 0 | 50.097656 |
0 | 0.265 | 50.097656 | 10.1 | 8.296 | 0 | 50.097656 |
0 | 0.27 | 50.097656 | 10.2 | 8.296 | 0 | 50.097656 |
0 | 0.275 | 50.097656 | 10.3 | 8.296 | 0 | 50.097656 |
0 | 0.28 | 50.097656 | 10.3 | 8.296 | 0 | 50.097656 |
0 | 0.285 | 50.097656 | 10.1 | 8.296 | 0 | 50.097656 |
0 | 0.29 | 50.097656 | 9.9 | 8.296 | 0 | 50.097656 |
0 | 0.295 | 50.097656 | 10.1 | 8.296 | 0 | 50.097656 |
1 | 0 | 50.097656 | 10.2 | 8.3 | 0 | 23.642578 |
1 | 0.005 | 50.097656 | 10 | 8.296 | 0 | 23.642578 |
1 | 0.01 | 50.097656 | 10.2 | 8.296 | 0 | 23.642578 |
1 | 0.015 | 50.097656 | 9.8 | 8.3 | 0 | 23.642578 |
1 | 0.02 | 50.097656 | 10.1 | 8.296 | 0 | 23.642578 |
1 | 0.025 | 50.097656 | 10.1 | 8.296 | 0 | 23.642578 |
1 | 0.03 | 50.097656 | 10.2 | 8.296 | 0 | 23.642578 |
1 | 0.035 | 50.097656 | 17.6 | 8.068 | -43.945312 | 23.642578 |
1 | 0.04 | 49.658203 | 403.700012 | 8.052 | -123.046875 | 23.642578 |
1 | 0.045 | 48.867188 | 359 | 8.08 | -254.882812 | 23.642578 |
1 | 0.05 | 47.109375 | 305 | 8.104 | -404.296875 | 23.642578 |
1 | 0.055 | 44.824219 | 270.100006 | 8.128 | -509.765625 | 23.642578 |
1 | 0.06 | 42.011719 | 235.399994 | 8.152 | -597.65625 | 23.642578 |
1 | 0.065 | 38.847656 | 210.199997 | 8.164 | -659.179687 | 23.642578 |
1 | 0.07 | 35.419922 | 36.799999 | 8.276 | -694.335938 | 23.642578 |
1 | 0.075 | 31.904297 | -11.9 | 8.304 | -650.390625 | 23.642578 |
1 | 0.08 | 28.916016 | -11 | 8.304 | -465.820312 | 23.642578 |
1 | 0.085 | 27.246094 | 1.1 | 8.296 | -351.5625 | 23.642578 |
1 | 0.09 | 25.400391 | 35.400002 | 8.28 | -281.25 | 23.642578 |
1 | 0.095 | 24.433594 | 12.4 | 8.292 | -140.625 | 23.642578 |
1 | 0.1 | 23.994141 | 6.3 | 8.296 | -79.101563 | 23.642578 |
1 | 0.105 | 23.642578 | 6.2 | 8.296 | -43.945313 | 23.642578 |
1 | 0.11 | 23.554688 | 6.9 | 8.296 | -8.789062 | 23.642578 |
1 | 0.115 | 23.554688 | 11.3 | 8.296 | 0 | 23.642578 |
1 | 0.12 | 23.554688 | 11.5 | 8.292 | 0 | 23.642578 |
1 | 0.125 | 23.554688 | 11.4 | 8.296 | 0 | 23.642578 |
1 | 0.13 | 23.554688 | 11.7 | 8.296 | 0 | 23.642578 |
1 | 0.135 | 23.554688 | 11.5 | 8.296 | 0 | 23.642578 |
1 | 0.14 | 23.554688 | 11.7 | 8.296 | 0 | 23.642578 |
1 | 0.145 | 23.554688 | 11.5 | 8.296 | 0 | 23.642578 |
1 | 0.15 | 23.554688 | 10.6 | 8.296 | 0 | 23.642578 |
1 | 0.155 | 23.554688 | 10.6 | 8.296 | 0 | 23.642578 |
1 | 0.16 | 23.554688 | 10.7 | 8.296 | 0 | 23.642578 |
1 | 0.165 | 23.554688 | 10.9 | 8.292 | 0 | 23.642578 |
1 | 0.17 | 23.554688 | 10.6 | 8.292 | 0 | 23.642578 |
1 | 0.175 | 23.554688 | 10.8 | 8.296 | 0 | 23.642578 |
1 | 0.18 | 23.554688 | 10.8 | 8.296 | 0 | 23.642578 |
1 | 0.185 | 23.554688 | 10.6 | 8.3 | 0 | 23.642578 |
1 | 0.19 | 23.554688 | 10.6 | 8.296 | 0 | 23.642578 |
1 | 0.195 | 23.554688 | 10.8 | 8.296 | 0 | 23.642578 |
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Notes about the data:
towerpro_sg90_with_velocity_and_target contains captured sensor data from dirt cheap hobby servo trajectory runs.
- The servo is not under load and has been paired with a position encoder
- Power properties have been captured with an INA219 current sensor
- Each run is 60 samples long and covers 0.3 seconds of time with a 0.005 second (5ms) timestep
- It has the following fields
- trajectory_id
- identifies the run
- time_step
- in seconds
- how far are we into this run
- position
- in degrees
- the current angle of the servo armature at this step of the run
- current_mA
- the amount of current the servo is currently using
- voltage_V
- the amount of voltage from the battery
- velocity
- the current velocity of servo armature in degrees/sec
- target_position
- the position we hope to end up at, usually set by a PWM signal sent to the servo
- trajectory_id
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