有哪些信誉好的足球投注网站- 1、有哪些信誉好的足球投注网站（book118）网站文档一经付费（服务费），不意味着购买了该文档的版权，仅供个人/单位学习、研究之用，不得用于商业用途，未经授权，严禁复制、发行、汇编、翻译或者网络传播等，侵权必究。。
- 2、本站所有内容均由合作方或网友上传，本站不对文档的完整性、权威性及其观点立场正确性做任何保证或承诺！文档内容仅供研究参考，付费前请自行鉴别。如您付费，意味着您自己接受本站规则且自行承担风险，本站不退款、不进行额外附加服务；查看《如何避免下载的几个坑》。如果您已付费下载过本站文档，您可以点击 这里二次下载。
- 3、如文档侵犯商业秘密、侵犯著作权、侵犯人身权等，请点击“版权申诉”（推荐），也可以打举报电话：400-050-0827(电话支持时间：9:00-18:30)。
- 4、该文档为VIP文档，如果想要下载，成为VIP会员后，下载免费。
- 5、成为VIP后，下载本文档将扣除1次下载权益。下载后，不支持退款、换文档。如有疑问请联系我们。
- 6、成为VIP后，您将拥有八大权益，权益包括：VIP文档下载权益、阅读免打扰、文档格式转换、高级专利检索、专属身份标志、高级客服、多端互通、版权登记。
- 7、VIP文档为合作方或网友上传，每下载1次， 网站将根据用户上传文档的质量评分、类型等，对文档贡献者给予高额补贴、流量扶持。如果你也想贡献VIP文档。上传文档
查看更多
无刷直流电机结构设计的基本知识
A Knowledge Based Decision Support Architecture for Designing Brushless DC
Motors
Vahab Akbarzadeh Alireza Sadeghian
Ryerson University Ryerson University
350 Victoria Street 350 Victoria Street
Toronto, Ontario M5B 2K3 Toronto, Ontario M5B 2K3
vahab.akbarzadeh@ryerson.ca asadeghi@ryerson.ca
Abstract expert designer selects the set of materials to be used for
motor construction, including material for the permanent
This paper presents a knowledge based decision magnet. Properties of the selected materials are then
support system that can be used to design brushless DC plugged into a set of equations which calculate the
motors. A hybrid approach, that includes an object geometrical properties of the motor. Characteristics of
oriented paradigm using frames and procedural the proposed design are then measured in terms of
attachments together with a rule based mechanism, is indicators such as efficiency, motor constant, weight,
used to build the proposed architecture. The design and cost. Magnetic modeling in the conventional method
strategy is implemented using a rule-based successive is usually simplified to use a magnetic circuit instead of
iterative method, through
文档评论（0）