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Definitions.md

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Definitions

Indexing

Index Leg Servo Axis Frame Angle
0 L1 SERVO_1 X COXA TETA
1 R1 SERVO_2 Y FEMUR BETA
2 L2 SERVO_3 Z TIBIA ALPHA
3 R2
4 L3
5 R3

Full Body

  • Leg Index: Number or Alias (L1 = 0, R1 = 1, L2 = 2, R2 = 3, L3 = 4, R3 = 5) of each one leg.
  • Anchor Position: Coordinate of leg anchor (x, y, z) which connects leg to body.
  • Tip Position: Coordinate of leg tip (x, y, z) which touches the ground.
  • Leg Alignment: Angle of leg on normalized position (θ = 0°) relative to X axis. For example, in this example below R1 has 45° alignment.
  • Posture Rotation: Pitch (rx), Roll (ry), Yaw (rz) of robot's body.
  • Normal Position: Robot's standing posture when it's on standby mode.
  • FRS: Front and Rear Span of Robot's Normal Position.
  • MS: Middle Span of Robot's Normal Position.
  • L: Length of Robot's Normal Position.

Full Body

Single Leg

  • Servo Index: Number or Alias of each Servo in one leg.
  • Servo Angle: Angle of each servo (see image below for the reference).
  • H: Height of Robot's Normal Position.
  • Normal PWM: Each one of servo PWM value when the angle = 0°.
  • Ratio PWM: Differential of how much angle shift per PWM (Δ angle / Δ pwm).

Single Leg