High Efficiency Motor Controller for Electric Vehicles
Award last edited on: 7/12/2002

Sponsored Program
Awarding Agency
Total Award Amount
Award Phase
Solicitation Topic Code
Principal Investigator
Mark Hladky

Company Information

Axiom International

1805 Drew Street
Clearwater, FL 33765
   (727) 442-7774
Location: Single
Congr. District: 13
County: Pinellas

Phase I

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As electric vehicles are becoming more popular, and new state regulations are requiring greater electric vehicle usage, techniques are required to make their operation more efficient. One method is to improve the efficiency of the motor controller. This may be accomplished by incorporating the latest component technologies into innovative circuit topologies. Axiom technology international proposes to design a MOS-Controlled Thyristor motor controller. Coupling this technology with a four quadrant motor controller which peforms regenration during vehicle braking efficiency. The approach will be proven out in Phase I by performing a preliminary design and defining the required experiments and proper testing strategy. Simulations will be run to predict performance. Based upon the results, Phase II will proceed with prototyping and integration into a test vehicle. The benefits are obvious, further vehicle travel distance from a single charge and longer life from the batteries based upon mileage. Anticipated

A high efficiency motor controller has wide spread use in many applications. They are especially applicable in areas like Magnetically levitated trains, electric trains, and subways, in addition to electric vehicles. The controller would be applicable in virtually any motor control application.

MOS controlled thyristor microprocessor four quadrant motor control regeneration electric

Phase II

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