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Add tendon actuator force limits and tendon actuator force sensor.

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PiperOrigin-RevId: 745096883
Change-Id: Ib9acb727fbbfc6b0b0323ee6a889053a7a878056
This commit is contained in:
Taylor Howell
2025-04-08 05:15:27 -07:00
committed by Copybara-Service
parent 16e49f2761
commit 96dda6ea75
26 changed files with 464 additions and 74 deletions
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include/mujoco/mjmodel.h
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@@ -317,6 +317,7 @@ typedef enum mjtSensor_ { // type of sensor
mjSENS_ACTUATORVEL, // scalar actuator velocity
mjSENS_ACTUATORFRC, // scalar actuator force
mjSENS_JOINTACTFRC, // scalar actuator force, measured at the joint
mjSENS_TENDONACTFRC, // scalar actuator force, measured at the tendon
// sensors related to ball joints
mjSENS_BALLQUAT, // 4D ball joint quaternion
@@ -1031,12 +1032,14 @@ struct mjModel_ {
int* tendon_matid; // material id for rendering (ntendon x 1)
int* tendon_group; // group for visibility (ntendon x 1)
mjtByte* tendon_limited; // does tendon have length limits (ntendon x 1)
mjtByte* tendon_actfrclimited; // does tendon have actuator force limits (ntendon x 1)
mjtNum* tendon_width; // width for rendering (ntendon x 1)
mjtNum* tendon_solref_lim; // constraint solver reference: limit (ntendon x mjNREF)
mjtNum* tendon_solimp_lim; // constraint solver impedance: limit (ntendon x mjNIMP)
mjtNum* tendon_solref_fri; // constraint solver reference: friction (ntendon x mjNREF)
mjtNum* tendon_solimp_fri; // constraint solver impedance: friction (ntendon x mjNIMP)
mjtNum* tendon_range; // tendon length limits (ntendon x 2)
mjtNum* tendon_actfrcrange; // range of total actuator force (ntendon x 2)
mjtNum* tendon_margin; // min distance for limit detection (ntendon x 1)
mjtNum* tendon_stiffness; // stiffness coefficient (ntendon x 1)
mjtNum* tendon_damping; // damping coefficient (ntendon x 1)