PX4 parameter group: VTOL Attitude Control

This page lists named parameter set commands in the PX4 VTOL Attitude Control group. All commands use PARAM_SET and are governed by PX4_COMMAND_MODE, operator guard, and PX4_PARAMETER_WRITE_ALLOWLIST.
MetricCount
Parameters35
FLOAT28
INT327
Standard35
System0
Developer0
Reboot required1
volatile0

Parameters

PX4 ParameterCommand typeCategoryTypeDefaultRangeUnitShapeRebootVolatilePX4 short description
VT_ARSP_BLENDpx4.parameter.vt_arsp_blend.setStandardFloat8.00.0..30.0m/s-nonoTransition blending airspeed
VT_ARSP_TRANSpx4.parameter.vt_arsp_trans.setStandardFloat10.00.0..30.0m/s-nonoTransition airspeed
VT_BT_TILT_DURpx4.parameter.vt_bt_tilt_dur.setStandardFloat1.00.1..10.0s-nonoDuration motor tilt up in backtransition
VT_B_DEC_Ipx4.parameter.vt_b_dec_i.setStandardFloat0.10.0..0.3rad s/m-nonoBacktransition deceleration setpoint to tilt I gain
VT_B_DEC_MSSpx4.parameter.vt_b_dec_mss.setStandardFloat2.00.5..10.0m/s^2-nonoApproximate deceleration during back transition
VT_B_TRANS_DURpx4.parameter.vt_b_trans_dur.setStandardFloat10.00.1..20.0s-nonoMaximum duration of a back transition
VT_B_TRANS_RAMPpx4.parameter.vt_b_trans_ramp.setStandardFloat3.00.0..20.0s-nonoBack transition MC motor ramp up time
VT_ELEV_MC_LOCKpx4.parameter.vt_elev_mc_lock.setStandardInt321--enum 2nonoLock control surfaces in hover
VT_FWD_THRUST_ENpx4.parameter.vt_fwd_thrust_en.setStandardInt320--enum 7nonoUse fixed-wing actuation in hover to accelerate forward
VT_FWD_THRUST_SCpx4.parameter.vt_fwd_thrust_sc.setStandardFloat0.70.0..5.0--nonoFixed-wing actuation thrust scale in hover
VT_FW_DIFTHR_ENpx4.parameter.vt_fw_difthr_en.setStandardInt3200..7-bitmask 3nonoDifferential thrust in forwards flight
VT_FW_DIFTHR_S_Ppx4.parameter.vt_fw_difthr_s_p.setStandardFloat1.00.0..2.0--nonoPitch differential thrust factor in forward flight
VT_FW_DIFTHR_S_Rpx4.parameter.vt_fw_difthr_s_r.setStandardFloat1.00.0..2.0--nonoRoll differential thrust factor in forward flight
VT_FW_DIFTHR_S_Ypx4.parameter.vt_fw_difthr_s_y.setStandardFloat0.10.0..2.0--nonoYaw differential thrust factor in forward flight
VT_FW_MIN_ALTpx4.parameter.vt_fw_min_alt.setStandardFloat0.00.0..200.0m-nonoQuad-chute altitude
VT_FW_QC_HMAXpx4.parameter.vt_fw_qc_hmax.setStandardInt320>= 0m-nonoQuad-chute maximum height
VT_FW_QC_Ppx4.parameter.vt_fw_qc_p.setStandardInt3200..180deg-nonoQuad-chute max pitch threshold
VT_FW_QC_Rpx4.parameter.vt_fw_qc_r.setStandardInt3200..180deg-nonoQuad-chute max roll threshold
VT_F_TRANS_DURpx4.parameter.vt_f_trans_dur.setStandardFloat5.00.1..20.0s-nonoDuration of a front transition
VT_F_TRANS_THRpx4.parameter.vt_f_trans_thr.setStandardFloat1.00.0..1.0--nonoTarget throttle value for the transition to fixed-wing flight
VT_F_TR_OL_TMpx4.parameter.vt_f_tr_ol_tm.setStandardFloat6.01.0..30.0s-nonoAirspeed-less front transition time (open loop)
VT_LND_PITCH_MINpx4.parameter.vt_lnd_pitch_min.setStandardFloat0.0-10.0..45.0deg-nonoMinimum pitch angle during hover landing
VT_PITCH_MINpx4.parameter.vt_pitch_min.setStandardFloat0.0-10.0..45.0deg-nonoMinimum pitch angle during hover
VT_PSHER_SLEWpx4.parameter.vt_psher_slew.setStandardFloat0.33>= 0.01/s-nonoPusher throttle ramp up slew rate
VT_QC_ALT_LOSSpx4.parameter.vt_qc_alt_loss.setStandardFloat0.00.0..200.0m-nonoQuad-chute uncommanded descent threshold
VT_QC_T_ALT_LOSSpx4.parameter.vt_qc_t_alt_loss.setStandardFloat20.00.0..50.0m-nonoQuad-chute transition altitude loss threshold
VT_SPOILER_MC_LDpx4.parameter.vt_spoiler_mc_ld.setStandardFloat0.0-1.0..1.0norm-nonoSpoiler setting while landing (hover)
VT_TILT_FWpx4.parameter.vt_tilt_fw.setStandardFloat1.00.0..1.0--nonoNormalized tilt in FW
VT_TILT_MCpx4.parameter.vt_tilt_mc.setStandardFloat0.00.0..1.0--nonoNormalized tilt in Hover
VT_TILT_TRANSpx4.parameter.vt_tilt_trans.setStandardFloat0.40.0..1.0--nonoNormalized tilt in transition to FW
VT_TRANS_MIN_TMpx4.parameter.vt_trans_min_tm.setStandardFloat2.00.0..20.0s-nonoFront transition minimum time
VT_TRANS_P2_DURpx4.parameter.vt_trans_p2_dur.setStandardFloat0.50.1..5.0s-nonoDuration of front transition phase 2
VT_TRANS_TIMEOUTpx4.parameter.vt_trans_timeout.setStandardFloat15.00.1..30.0s-nonoFront transition timeout
VT_TYPEpx4.parameter.vt_type.setStandardInt3200..2-enum 3yesnoVTOL Type (Tailsitter=0, Tiltrotor=1, Standard=2)
WV_GAINpx4.parameter.wv_gain.setStandardFloat1.00.0..3.0Hz-nonoWeather-vane roll angle to yawrate