Performance improvement of the magnetic actuator for an artificial heart.

人工心脏磁致动器的性能改进。

• 批准号: 11650280
• 负责人: SAOTOME Hideo
• 金额: $ 2.24万
• 依托单位: Chiba University
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for Scientific Research (C)
• 财政年份: 1999
• 资助国家: 日本
• 起止时间: 1999 至 2001
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-11650280/
• 关键词: artificial heart; actuator; pump; metal magnet; 磁気

This research has been carried out from 1999 to 2001 and the following results have been obtained.1. Designing the dimensions of the ring-shaped magnets Based on the results obtained by previous researches, the dimensions of a newly developed large magnetic actuator have been designed.2. Manufacturing the actuator and its examination The designed actuator has been manufactured and its basic performance has been examined by experiments. The efficiency of 70〜90 % has been obtained.3. Manufacturing the pump The manufactured actuator applied pump has been developed. The pump was operated by constant speed driving and step waveform driving, respectively. It was found that the step waveform driving was superior to the constant speed driving in order to obtain large output power of the pump.4. Improvement of the pump test equipment New pump performance test equipment has been built with instantaneous water flow and pressure measurement system.5. Completing the software for designing actuator dimensions Magnetic field computation software for designing actuator dimensions has been competed. Analyzing the magnetic force on the actuator has been carried out with the software.6. Manufacturing the electric magnet for driving the actuator The electric magnet for driving the actuator has been manufactured and its performance has been examined.7. Consideration of the yoke for the magnets Several kinds of yokes have been tried and the best yoke has been chosen for obtaining large output power of the actuator.8. Design methodology of magnet dimension The designing methodology of the inner dimension of the magnet has been built with the pump stroke and the magnetic force on the magnet.

本研究从1999年到2001年进行，得到了以下结果：在前人研究成果的基础上，设计了一种新型大型磁力驱动器的尺寸。对所设计的执行机构进行了制造，并对其基本性能进行了试验检验。结果表明，该方法的效率为70 ~ 90%。研制了用于泵的人造执行机构。泵分别采用等速驱动和阶跃波形驱动。结果表明，为了获得较大的泵输出功率，步进波形驱动优于等速驱动。4 .水泵试验设备的改进新型水泵性能试验设备已建成，配有瞬时流量和压力测量系统。完成了执行机构尺寸设计软件的研制，完成了执行机构尺寸设计磁场计算软件的研制。利用该软件对作动器的磁力进行了分析。制造驱动执行器的电磁铁制造了驱动执行器的电磁铁，并对其性能进行了检验。对磁体磁轭的考虑为使执行器输出功率大，对几种磁轭进行了试验，选择了最佳的磁轭。根据泵的行程和磁体上的磁力，建立了磁体内部尺寸的设计方法。

项目成果

C.F.Foo, D.M.Zhang, H.Saotome: "Calculation of iron losses in ferrite toraids using FEM and complex vectors"IEEE Transaction on Magnetics. 35・5. 3451-3453 (1999)

C.F.Foo、D.M.Zhang、H.Saotome：“使用 FEM 和复向量计算铁氧体环形天线中的铁损”IEEE Transaction on Magnetics 35・5 (1999)。

C. F. Foo, D. M. Zhang, H. Saotome: "Calculation of Iron Losses in Ferrire Toroids Using FEM and Complex Vectors"IEEE TRANSACTIONS ON MAGNETICS. 35・5. 3451-3453 (1999)

C. F. Foo、D. M. 张、H. Saotome：“使用 FEM 和复向量计算费里磁环中的铁损”IEEE TRANSACTIONS ON MANETICS 35・5 (1999)。

S.Suzuki, T.Katane, O.Saito, H.Saotome: "A proposal of electric power generating system for implanted medical devices"IEEE Transaction on Magnetics. 35・5. 3586-3588 (1999)

S.Suzuki、T.Katane、O.Saito、H.Saotome：“植入式医疗设备发电系统的提案”IEEE Transaction on Magnetics 35・5（1999）。

S. Suzuki, T. Katane, O. Saito, H. Saotome: "A Proposal of Electric Power Generating System for Implanted Medical Devices"IEEE TRANSACTIONS ON MAGNETICS. 35・5. 3586-3588 (1999)

S. Suzuki、T. Katane、O. Saito、H. Saotome：“植入式医疗设备发电系统的提案”IEEE TRANSACTIONS ON MANETICS 35・5 (1999)。

早乙女英夫, 今村圭吾, 佐藤義則, 斎藤制海: "平型金属磁石を用いたリニアアクチュエータ駆動型ポンプの特性改善"電気学会論文誌A. 120・11. 1038-1043 (2000)

Hideo Saotome、Keigo Imamura、Yoshinori Sato、Shikai Saito：“使用扁平金属磁体改进线性致动器驱动泵的特性”IEEJ Transactions A. 120・11 (2000)。