Search Results - "Amrhein, W."

Bearingless Segment Motor With Five Stator Elements-Design and Optimization by Gruber, W., Amrhein, W., Haslmayr, M.

“…Bearingless motors and active magnetic bearings work completely contactless and wearless. With these properties, hermetically sealed and lubricant-free…”
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Hierarchical design models in the mechatronic product development process of synchronous machines by Hehenberger, P., Poltschak, F., Zeman, K., Amrhein, W.

“…This paper presents an approach for using hierarchical models in the design of mechatronic systems. The utilization and proper combination of solution…”
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Nonlinear Feedback Control of a Bearingless Brushless DC Motor by Grabner, H., Amrhein, W., Silber, S., Gruber, W.

“…The demands on bearingless drive configurations concerning performance as well as costs are high. The proposed bearingless brushless DC motor consists of five…”
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Wide Air Gap and Large-Scale Bearingless Segment Motor With Six Stator Elements by Gruber, W., Nussbaumer, T., Grabner, H., Amrhein, W.

“…In recent years, the demand for high purity spinning processes has been growing in certain industry branches, such as the semiconductor, biotechnological,…”
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Design aspects of bearingless slice motors by Silber, S., Amrhein, W., Bosch, P., Schob, R., Barletta, N.

“…The complexity of a bearingless motor offers a multitude of freedoms in constructive design because different motor setups may have nearly the same dynamic…”
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Annular Pancreas: Dramatic Differences Between Children and Adults by Zyromski, Nicholas J., MD, Sandoval, John A., MD, Pitt, Henry A., MD, FACS, Ladd, Alan P., MD, FACS, Fogel, Evan L., MD, Mattar, Wissam E., MD, Sandrasegaran, Kumar, MD, Amrhein, David W., MD, Rescorla, Fredrick J., MD, FACS, Howard, Thomas J., MD, FACS, Lillemoe, Keith D., MD, FACS, Grosfeld, Jay L., MD, FACS

“…Background Annular pancreas is rare; only 737 cases have been reported in the English literature. In addition, no large analysis has compared children and…”
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Levitation forces in bearingless permanent magnet motors by Amrhein, W., Silber, S., Nenninger, K.

“…Bearingless motors combine brushless AC-motors with active magnetic bearings by the integration of two separate winding systems (torque and radial levitation…”
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Design aspects and test results of a high speed bearingless drive by Mitterhofer, H., Amrhein, W.

“…Following the trend towards smaller drives operating at increased speeds, the present work examines the suitability of bearingless drives for high speed…”
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Development of a compact and low cost axial flux machine using soft magnetic composite and hard ferrite by Kobler, R., Andessner, D., Weidenholzer, G., Amrhein, W.

“…Especially for automotive applications, the request for small, lightweight, powerful and cheap electrical machines is tremendous - not only for the drivetrain…”
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Measurement-based nonlinear modeling of PMSMs by Bramerdorfer, G., Weidenholzer, G., Silber, S., Amrhein, W., Lanser, S.

“…This article is about measurement-based modeling of PMSMs. Typically, these machine designs feature nonlinear characteristics regarding the stator phase…”
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Motion control strategy and operational behaviour of a high speed bearingless disc drive by Mitterhofer, H, Amrhein, W

“…In the last decade, bearingless drives have found their way into applications such as pumps for delicate media like blood [1] or sensitive chemicals [9] as…”
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Current shapes leading to positive effects on acoustic noise of switched reluctance drives by Kaiserseder, M., Schmid, J., Amrhein, W., Scheef, V.

“…A torque ripple minimization technique for switched reluctance motors is shown in this paper. Precalculated current shapes are applied to reduce torque ripple…”
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A question of delegation: unlicensed assistive personnel and the professional nurse by Plawecki, Lawrence H, Amrheim, David W

“…As the American population of older adults increase and the nursing shortage widens, professional nurse caring for older adults are often confronted with…”
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Mechatronical Design Studies on Small Brushless Motors by Amrhein, W., Silber, S., Nenninger, K., Trauner, G., Schöb, R.

“…Brushless DC‐ and AC‐permanent‐magnet motors controlled by powerful micro‐controller electronics have opened up a significant share of the small motor market…”
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Mechatronical Design Studies on Small Brushless Motors by Trauner, G., Schöb, R., Nenninger, K., Amrhein, W., Silber, S.

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Someone to talk to. The nurse and the depressed or suicidal older patient by Plawecki, Lawrence H, Amrhein, David W

“…Depression and suicide are two major mental health problems affecting older adults, this country's fastest growing population. As such, more nurses must become…”
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When "no" means no: elderly patients' right to refuse treatment by Plawecki, Lawrence H, Amrhein, David W

“…In the complicated health care and legal system of the United States, all patients are endowed with certain rights. The American Hospital Association and the…”
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Under pressure: nursing liability and skin breakdown in older patients by Plawecki, Lawrence H, Amrhein, David W, Zortman, Todd

“…The geriatric patient presents many challenges to the professional nurse. As the body ages, its protective outer covering and largest organ, the skin, also…”
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Design variants of the bearingless segment motor by Gruber, W, Silber, S, Amrhein, W, Nussbaumer, T

“…Bearingless drives and magnetic bearings allow the construction of contactless, wearless and lubrication-free rotating systems. Utilizing a permanent magnet…”
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Fundamental wave analysis of the switched permanent magnet reluctance machine by Andessner, D, Gruber, W, Amrhein, W

“…In this paper the driving principle of a special permanent magnet excited synchronous machine, in the following called the switched permanent magnet reluctance…”
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