Darrell

Profile picture for user Darrell

Darrell

Researcher
University of Maryland
Oregon

Biography

Big fan of VHDL-AMS

Showcase

PIDF feedback control theory for FRC motor speed control

See blog for detailed information

https://www.systemvision.com/blog...

Darrell
VKKencoderfb_errorKddtCountsPerRev2048KKmult_rpmsetpointpulse_value=2000TqLow-passFilter (LPF)PIDF_cmdv_talonload_speed_radpsF_cmdcntsPerRevcntsp100msmotor_cmdload_speed_rpmset_speed_RPMmotor_cmd_clipfullscaleToPercentBus9.775E-4load_speed_NUerrorrps_to_rpm9.54929comp31.61.0P_cmdcntsp100mssumAllsumPIDr_battery_and_wires50mmotor_power12.0ballpulse_value=3ramptime_initial_to_pulse=7mramptime_pulse_to_initial=7mstart_delay=5pulse_width=20mperiod=1cmd_limit1.0-1.0v_batteryPID_cmdP_gainK=0.25I_cmdD_gainK=0.003F_gainK=0.047load_speed_NU_smoothI_gainK=0cntspm_to_cntsp100ms1.6666mD_cmdShooterMotormotor=Falcon500mult2set_speed_NUball_disturbancew_loadShooterInertiaj=0.001

This is a model of an Ember coffee mug -- a battery-powered, state-of-the-art beverage container that controls the temperature of...

Darrell
CThermal MassPhase Change MaterialPhase Change MaterialTempKBattery VOC=f(SOC)+-PWMtc_amb2rth_pcm1cth_init_condrth_liqrth_pcm2diff1gain1100.0qgen1PCM1coffee_temperatureheating_elementPCM2errorsetpointfb_tempbattery_voltageLi_ion_batteryheat_controllerv_heaterrth_insulationu5u3coffeeinitial_temperature=75temp_sensorcontrolheat_element18