Motors & Drives

Learn motor & drive system concepts, from basic electro-mechanical energy conversion to advanced DQ control, space vector modulation, encoders and power electronics. Collaborate with experts in FEA-based machine design, sensors, algorithms and mechatronics to assess integrated system performance.

Application Area Featured Designs

Fan System with 3-Phase Induction Motor and Power MOSFET Drive

Motors and Drives
VDVDVDVDVDVDSASBSCSHAFTInductionPWMPWMPWMVILow-passFilter (LPF)battery1101010101010IMfanpwm15.0e3inv10 npwm25.0e3pwm35.0e3qsrc1frequency=100qsrc2frequency=100qsrc3frequency=100comp1100.01.0m1m6m5m4m3m2d_a_pdd_b_pdd_b_pdd_c_pdd_c_pdv_500VDCw_shaftd_b_pud_b_pud_c_pud_c_pud_a_puduty_aduty_bduty_celec_pwr_inelec_pwr_in_lpfvavbvc

Fan System with 3-Phase Induction Motor and Power MOSFET Drive

Induction Machine (IM) and PWM Drive circuit, with mechanical fan load.

Mike Donnelly
VDVDVDVDVDVDSASBSCSHAFTInductionPWMPWMPWMVILow-passFilter (LPF)battery1101010101010IMfanpwm15.0e3inv10 npwm25.0e3pwm35.0e3qsrc1frequency=100qsrc2frequency=100qsrc3frequency=100comp1100.01.0m1m6m5m4m3m2d_a_pdd_b_pdd_b_pdd_c_pdd_c_pdv_500VDCw_shaftd_b_pud_b_pud_c_pud_c_pud_a_puduty_aduty_bduty_celec_pwr_inelec_pwr_in_lpfvavbvc
PWM power MOSFET Induction Motor Motor Drive
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Points -19
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Switched Reluctance Motor (SRM) driving a Fan Load

Motors and Drives
APANBPBNCPCNindx_afan1indx_bindx_csw_a1sw_a4battery1d_a1d_a2sw_b1sw_b2d_b1d_b2sw_c1sw_c2d_c1d_c2w_shaftvcpv_battd_ad_cvcnvanvbnd_bvbpsrm1vap

Switched Reluctance Motor (SRM) driving a Fan Load

This open-loop fan drive system has a 48V DC supply and runs at just under 1800 RPM (187 rad/sec), generating 100 Watts of...

Mike Donnelly
APANBPBNCPCNindx_afan1indx_bindx_csw_a1sw_a4battery1d_a1d_a2sw_b1sw_b2d_b1d_b2sw_c1sw_c2d_c1d_c2w_shaftvcpv_battd_ad_cvcnvanvbnd_bvbpsrm1vap
index sensor
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Points -12
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Stepper Motor for Open-Loop Angle Control

Motors and Drives
APANBPBNstepper1r_rv1inertia11mgear1spg_r110dmp1100msw1d1sw2d2sw3d3sw4d4sw5d5sw6d6sw7d7sw8d8Step Logicastepdirectionainvbbinvu2dsrc2dsrc3w_shaftw_loadangle_loadv_batteryv_batteryv_apv_anv_bpv_bnd_a_invd_a_invd_bd_bd_b_invd_b_invd_ad_ad_dird_stepbattery1

Stepper Motor for Open-Loop Angle Control

This design shows a stepper motor's ability to control a load angle, not by using a rotation angle sensor for feedback, but rather...

Mike Donnelly
APANBPBNstepper1r_rv1inertia11mgear1spg_r110dmp1100msw1d1sw2d2sw3d3sw4d4sw5d5sw6d6sw7d7sw8d8Step Logicastepdirectionainvbbinvu2dsrc2dsrc3w_shaftw_loadangle_loadv_batteryv_batteryv_apv_anv_bpv_bnd_a_invd_a_invd_bd_bd_b_invd_b_invd_ad_ad_dird_stepbattery1
stepper motor
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Points -10
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Electric Power Steering System with Ideal PMSM and Drive

Motors and Drives
alphaClarke InverseTransformabcbetaClarkeTransformabcalphabetaDQ PI Controld_refq_refdqd_fbq_fbPIPIPark InverseTransformdqalphabetaParkTransformalphabetadqiaibicvavbvcTqKKSASBSCSHAFTPMSMspg_assistk=100kinv_ClarkeClarkeDQ_PI_controlKp=40.0inv_ParkParkIdeal_Driverp1radius=0.01gr1gear_ratio=5spg_torque_sensork=100wheel_massm=50steering_forcek=150kgain_inverse_gear_ratioK=0.2gain_amp_per_NmK=3.0steeringmotor_damping0.01frictionForce_fric_static=40Force_fric_kinetic=20d_viscous=10ktorque_assist_tableideal_pmsmspg_r3k=100kcolumn_damping0.1column_inertia0.001theta_shafttheta_shaft_fbmotor_iq_cmdid_cmdv_d_drvv_q_drvv_alpha_drvv_beta_drvvavbvcva_drvvb_drvvc_drvi_alphai_betaia_fbib_fbic_fbid_fbiq_fbnet63column_angle_radsteering_angle_radnet67rack_diplacementsteering_angle_degnet88pinion_angle_radmotor_trq_cmdsteering_trqqsrc_id0PoleZerotrq_assist_cmdtrq_comp_outlead_comp1.0Fp=100Fz=10.0

Electric Power Steering System with Ideal PMSM and Drive

This design includes an ideal Permanent Magnet Synchronous Machine (PMSM) model, as well as a continuous D-Q controller and drive...

Mike Donnelly
alphaClarke InverseTransformabcbetaClarkeTransformabcalphabetaDQ PI Controld_refq_refdqd_fbq_fbPIPIPark InverseTransformdqalphabetaParkTransformalphabetadqiaibicvavbvcTqKKSASBSCSHAFTPMSMspg_assistk=100kinv_ClarkeClarkeDQ_PI_controlKp=40.0inv_ParkParkIdeal_Driverp1radius=0.01gr1gear_ratio=5spg_torque_sensork=100wheel_massm=50steering_forcek=150kgain_inverse_gear_ratioK=0.2gain_amp_per_NmK=3.0steeringmotor_damping0.01frictionForce_fric_static=40Force_fric_kinetic=20d_viscous=10ktorque_assist_tableideal_pmsmspg_r3k=100kcolumn_damping0.1column_inertia0.001theta_shafttheta_shaft_fbmotor_iq_cmdid_cmdv_d_drvv_q_drvv_alpha_drvv_beta_drvvavbvcva_drvvb_drvvc_drvi_alphai_betaia_fbib_fbic_fbid_fbiq_fbnet63column_angle_radsteering_angle_radnet67rack_diplacementsteering_angle_degnet88pinion_angle_radmotor_trq_cmdsteering_trqqsrc_id0PoleZerotrq_assist_cmdtrq_comp_outlead_comp1.0Fp=100Fz=10.0
PMSM EPS Power Steering
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Points +3
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Application Area Groups

Motors and Drives

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Learn motor & drive system concepts, from basic electro-mechanical energy conversion to advanced DQ control, space vector modulation, encoders and power electronics. Collaborate with experts in FEA-based machine design, sensors, algorithms and mechatronics to assess integrated system performance.