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Engineering Renovations

Engineering Renovations: Revitalizing the University of Minnesota's 90-Year-Old Pioneer Hall

Designers overcame numerous challenges to complete the $104.5 million Pioneer Hall expansion and renovation project in time for the start of the fall 2019 semester.
Deb Barnes, P.E.
May 28, 2020

Pioneer Hall, one of four residence halls located within the University of Minnesota’s Superblock residential district, is prominently situated on the east bank of the Mississippi River on the university’s Twin Cities campus in Minneapolis. 


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Footnote 4

Motor Control Techniques: VFDs, ECMs, and More, Part 1

An in-depth look at induction motors with voltage/frequency controlled variable frequency drives, induction motors with vector-controlled VFDs, and electronically commutated motors.
Patrice Mulhern, P.E.
ES-Petrus-pfaff-900x550.jpg
Robert Pfaff, P.E.
Kevin Ricart
Kevin Ricart, P.E.
May 28, 2020

The topic of motors and motor control techniques is wide and varied. Part one of this two-part article will cover the principles of alternating-current (AC) motor operation and control.  


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