Darrell

Darrell

Director
Mentor Graphics
Wilsonville

Biography

One of the original creators of SystemVision

Showcase

PIDF feedback control theory for FRC motor speed control

See blog for detailed information

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

Darrell
Vr_battery_and_wires50mKKfb_errorKddtD_gainK=0.003CountsPerRev2048KKmult_rpmsetpointpulse_value=2000Tqball_disturbanceLow-passFilter (LPF)load_speed_radpsI_cmdload_speed_rpmset_speed_NUset_speed_RPMF_gainK=0.047cntsp100mscntspm_to_cntsp100ms1.6666mcntsPerRevP_gainK=0.25encodererrorI_gainK=0P_cmdD_cmdfullscaleToPercentBus9.775E-4comp31.61.0load_speed_NUmult2cntsp100msrps_to_rpm9.54929load_speed_NU_smoothballpulse_value=3ramptime_initial_to_pulse=7mramptime_pulse_to_initial=7mstart_delay=5pulse_width=20mperiod=1ShooterInertiaj=0.002904sumPIDF_cmdsumAllPID_cmdPIDF_cmdmotor_cmdcmd_limit1.0-1.0v_talonv_batterymotor_cmd_clipw_loadShooterMotormotor=Falcon500motor_power12.0

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

Darrell
rth_insulationCtc_amb2Thermal Masscoffeeinitial_temperature=75Phase Change Materialrth_pcm1cth_init_condrth_liqPhase Change Materialu5rth_pcm2Temptemp_sensordiff1Kgain1100.0qgen1heat_element18Battery VOC=f(SOC)+-Li_ion_batteryPWMheat_controllerPCM1coffee_temperatureheating_elementPCM2errorsetpointcontrolfb_tempbattery_voltagev_heateru3