Search Results - "Holtz, J"

Sensorless Control of Induction Machines-With or Without Signal Injection? by Holtz, J.

“…Controlled induction motor drives without mechanical speed sensors at the motor shaft have the attractions of low cost and high reliability. To replace the…”
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Acquisition of Position Error and Magnet Polarity for Sensorless Control of PM Synchronous Machines by Holtz, J.

“…Sensorless control of a permanent-magnet synchronous machine at low and zero speed is based on the injection of an oscillating high-frequency carrier signal. A…”
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Sensorless control of induction motor drives by Holtz, J.

“…Controlled induction motor drives without mechanical speed sensors at the motor shaft have the attractions of low cost and high reliability. To replace the…”
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Engineering Static and Dynamic Control of Synthetic Pathways by Holtz, William J., Keasling, Jay D.

“…Maximizing the production of a desired small molecule is one of the primary goals in metabolic engineering. Recent advances in the nascent field of synthetic…”
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Altered Skeletal Muscle Mitochondrial Proteome As the Basis of Disruption of Mitochondrial Function in Diabetic Mice by Zabielski, Piotr, Lanza, Ian R, Gopala, Srinivas, Heppelmann, Carrie J Holtz, Bergen, 3rd, H Robert, Dasari, Surendra, Nair, K Sreekumaran

“…Insulin plays pivotal role in cellular fuel metabolism in skeletal muscle. Despite being the primary site of energy metabolism, the underlying mechanism on how…”
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BglBrick vectors and datasheets: A synthetic biology platform for gene expression by Lee, Taek Soon, Krupa, Rachel A, Zhang, Fuzhong, Hajimorad, Meghdad, Holtz, William J, Prasad, Nilu, Lee, Sung Kuk, Keasling, Jay D

“…As engineered biological systems become more complex, it is increasingly common to express multiple operons from different plasmids and inducible expression…”
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Drift- and parameter-compensated flux estimator for persistent zero-stator-frequency operation of sensorless-controlled induction motors by Holtz, J., Juntao Quan

“…The performance of sensorless-controlled induction motors is poor at very low speed. The reasons are the limited accuracy of stator voltage acquisition and the…”
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Sensorless vector control of induction motors at very low speed using a nonlinear inverter model and parameter identification by Holtz, J., Juntao Quan

“…The performance of vector-controlled induction motor drives without a speed sensor is generally poor at very low speed. The reasons are offset and drift…”
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Pulsewidth modulation for electronic power conversion by Holtz, J.

“…The efficient and fast control of electric power forms part of the key technologies of modern automated production. It is performed using electronic power…”
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Neutral Point Potential Balancing Algorithm at Low Modulation Index for Three-Level Inverter Medium-Voltage Drives by Holtz, J., Oikonomou, N.

“…Three-level inverters produce low harmonic distortion of the ac currents even when operated at moderate switching frequency. This makes them the preferred…”
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Fast Dynamic Control of Medium Voltage Drives Operating at Very Low Switching Frequency-An Overview by Holtz, J., Oikonomou, N.

“…Medium voltage AC machines fed by high-power inverters operate at a low switching frequency to restrain the switching losses of power semiconductor devices…”
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Synchronous Optimal Pulsewidth Modulation and Stator Flux Trajectory Control for Medium-Voltage Drives by Holtz, J., Oikonomou, N.

“…Employing synchronous optimal pulsewidth modulation (PWM) techniques permits operating the PWM inverter of medium-voltage drives at very low switching…”
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Neurogranin Regulates Alcohol Sensitivity through AKT Pathway in the Nucleus Accumbens by Nam, Hyung W., Grant, Caleb A., Jorgensen, Ashton N., Holtz‐Heppelmann, Carrie J., Trutschl, Marjan, Cvek, Urska

“…Dysfunction of glutamate neurotransmission in the nucleus accumbens (NAc) has been implicated in the pathophysiology of alcohol use disorders (AUD)…”
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Control of Large Salient-Pole Synchronous Machines Using Synchronous Optimal Pulsewidth Modulation by Holtz, Joachim, da Cunha, Gilberto, Petry, Norton, Torri, Paulo Jose

“…High-power grinding mills are used in the cement and mining industries to crush clinker or copper ore and grind these materials to fine powder. The…”
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Closed-Loop Control of Medium-Voltage Drives Operated With Synchronous Optimal Pulsewidth Modulation by Oikonomou, N., Holtz, J.

“…Inverters for medium voltage drives operate at reduced switching frequency so as to restrain the dynamic losses of the power semiconductor devices. The…”
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Sensorless position control of induction motors-an emerging technology by Holtz, J.

“…Concepts for the sensorless position control of induction motor drives rely on anisotropic properties of the machine rotor. Such anisotropies can be…”
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Sensorless acquisition of the rotor position angle of induction motors with arbitrary stator windings by Holtz, J., Juliet, J.

“…The anisotropy of a cage rotor is utilized to determine the angular position of the rotor in an induction machine. The switching transients generated by a…”
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Polymerized colloidal crystal hydrogel films as intelligent chemical sensing materials by Asher, Sanford A, Holtz, John H

“…Chemical sensors respond to the presence of a specific analyte in a variety of ways. One of the most convenient is a change in optical properties, and in…”
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Pulsewidth modulation-a survey by Holtz, J.

“…The author evaluates the state of the art in pulsewidth modulation for AC drives fed from three-phase voltage source inverters. Feedforward and feedback…”
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Estimation of the Fundamental Current in Low-Switching-Frequency High Dynamic Medium-Voltage Drives by Holtz, J., Oikonomou, N.

“…The switching frequency of medium-voltage ac drives is limited to low values to restrain the dynamic losses of the power devices. This favors the use of…”
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