Open AccessProceedings Article
Brushless-DC Motor using Soft Magnetic Composites as a Direct Drive in an Electric Bicycle
Annette Mütze,Alan G. Jack,Barrie Mecrow +2 more
- pp 1-6
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TLDR
In this paper, a brushless-dc motor using soft magnetic composites is presented for an electric bicycle with a new drive with very good performance and low cost, which is also suitable for other drive applications.Abstract:
Recent advances in materials research have produced soft magnetic composites that can be considered for use in electrical machines. New drive concepts are needed to fully take advantage of this new material. An electric bicycle with a new drive with very good performance and low cost is presented. A major part of this drive is a new brushless-dc motor using soft magnetic composites. The motor is also suitable for other drive applications.read more
Citations
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Journal ArticleDOI
Electric bicycles - A performance evaluation
Annette Muetze,Y.C. Tan +1 more
TL;DR: In this paper, the authors provide a systematic, comprehensive classification of electric bicycles that includes an overview of the state of the art of today's commercially available electric bicycles, and the power requirements in different typical riding situations are also identified.
Proceedings ArticleDOI
Performance evaluation of electric bicycles
Annette Muetze,Y.C. Tan +1 more
TL;DR: In this article, the authors give a systematic, comprehensive, theoretically and experimentally based characterization of electric bicycles, and report on the different performance requirements and challenges in designing electric bicycles with improved overall performance.
Proceedings ArticleDOI
Comparison of the Performances of Different Geared Brushless-DC Motor Drives for Electric Bicycles
E. Starschich,Annette Muetze +1 more
TL;DR: This paper compares the technical performance of geared brushless-dc motor electric bicycle drive systems with both self-control mode and hysteresis-band (direct torque) control, where the operating cycle profiles used are based on actual road tests.
Patent
Method and apparatus for proportionally assisted propulsion
TL;DR: In this article, a system for proportional propulsion assistance comprising a strain gauge for the detection and measurement of a flexion of the hub of a rear wheel of a bicycle, wherein said gauge is placed on a vertical face of said hub; amplification means for amplifying a measurement signal coming from said gauge, a filter at the input of said amplification means; an analog to digital converter at the output of amplification means, and a digital processing circuit to digitize the signal at the outputs of amplification mean to compensate for any deviation of the said signal to calculate, in real time, the
Proceedings ArticleDOI
Modeling and Analysis of the Technical Performance of DC-Motor Electric Bicycle Drives Based on Bicycle Road Test Data
Annette Muetze,Ying Chin Tan +1 more
TL;DR: In this paper, the modeling of a direct-drive dc-motor electric bicycle drive system for technical performance evaluation, where the operating cycle profiles used are based on actual road tests.
References
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Proceedings ArticleDOI
Permanent magnet machines with powdered iron cores and pre-pressed windings
Alan G. Jack,Barrie Mecrow,Phillip George Dickinson,D. Stephenson,J.S. Burdess,J N Fawcett,T. Evans +6 more
TL;DR: In this article, a permanent magnet servo motor with a powdered iron stator was designed to take full advantage of the properties of the material, including axially extended back, armature core components, and pre-formed stator coils.
Proceedings ArticleDOI
Combined radial and axial permanent magnet motors using soft magnetic composites
TL;DR: In this article, the design, construction and testing of a permanent magnet machine which has both axial and radial magnets and is the drive motor for an electric bicycle is reported, but the bicycle application also imposes specific design constraints.