Chinese Journal of Tissue Engineering Research ›› 2020, Vol. 24 ›› Issue (33): 5255-5261.doi: 10.3969/j.issn.2095-4344.2342
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Zhao Dezhu1, Guan Tianmin1, Wu Bin2, Mei Zhao3
1School of Mechanical Engineering, Dalian Jiaotong University, Dalian 116028, Liaoning Province, China; 2Orthopedic Laboratory of Affiliated Zhongshan Hospital of Dalian University, Dalian 116001, Liaoning Province, China; 3Technology Department of Huazhu Medical Technology (Shanghai) Co., Ltd., Shanghai 201204, China
Received:
2020-01-06
Revised:
2020-01-10
Accepted:
2020-03-03
Online:
2020-11-28
Published:
2020-09-27
Contact:
Guan Tianmin, MD, Professor, Doctoral supervisor, School of Mechanical Engineering, Dalian Jiaotong University, Dalian 116028, Liaoning Province, China
About author:
Zhao Dezhu, Doctoral candidate, School of Mechanical Engineering, Dalian Jiaotong University, Dalian 116028, Liaoning Province, China
CLC Number:
Zhao Dezhu, Guan Tianmin, Wu Bin, Mei Zhao. Design and implementation of an adolescent idiopathic scoliosis orthosis design expert system based on fuzzy logic[J]. Chinese Journal of Tissue Engineering Research, 2020, 24(33): 5255-5261.
接下来,以患者A的AIS矫形器修型调整量()的推理为例介绍SODES模糊逻辑模型的工作原理。AIS矫形器设计的基本流程是:医生按照“三点力”矫形生物力学确定AIS矫形器压力施加区的修型量(),“三点力”矫形示意图见图7。再根据修型量对患者的阳模进行修型并制造AIS矫形器。在患者试戴AIS矫形器后,医生根据患者的反馈确定AIS矫形器的修型调整量,并按照修型调整量对AIS矫形器的修型进行调整。通过调整AIS矫形器压力施加区的高度,进而调整其对患者施加的矫形力,直到患者穿戴矫形器时再无不适的感觉[26-30]。可见,修型量和修型调整量的确定是保证AIS矫形器满足患者个性化需求的重要因素。首先,定义SODES中舒适度模糊集F的论域为:F={舒适,耐受,不舒适}。部分的AIS矫形器设计模糊规则见表1。 "
接下来,以患者A的AIS矫形器修型调整量()的推理为例介绍SODES模糊逻辑模型的工作原理。AIS矫形器设计的基本流程是:医生按照“三点力”矫形生物力学确定AIS矫形器压力施加区的修型量(),“三点力”矫形示意图见图7。再根据修型量对患者的阳模进行修型并制造AIS矫形器。在患者试戴AIS矫形器后,医生根据患者的反馈确定AIS矫形器的修型调整量,并按照修型调整量对AIS矫形器的修型进行调整。通过调整AIS矫形器压力施加区的高度,进而调整其对患者施加的矫形力,直到患者穿戴矫形器时再无不适的感觉[26-30]。可见,修型量和修型调整量的确定是保证AIS矫形器满足患者个性化需求的重要因素。首先,定义SODES中舒适度模糊集F的论域为:F={舒适,耐受,不舒适}。部分的AIS矫形器设计模糊规则见表1。 "
然而,CLIPS具有知识库不易于管理与维护的不足。因此,此文选用VC++与SQL Server 2017开发知识库管理系统,从而实现知识库的管理机制。此文通过MFC开发知识库管理系统的应用层、SQL Server 2017搭建知识库管理系统的物理层并通过ADO接口实现知识库管理系统的应用层与物理层的连接。知识库管理系统中模糊规则表用于保存知识库中的模糊规则,该模糊规则表的设计见表3。知识库管理系统中事实表用于保存事实库中的已知事实,该事实表的设计见表4。知识工程师通过与AIS保守治疗专家面谈和案例研究,从而概念化、形式化出848条AIS的诊疗和AIS矫形器设计规则。知识库管理系统的界面见图8。 "
然而,CLIPS具有知识库不易于管理与维护的不足。因此,此文选用VC++与SQL Server 2017开发知识库管理系统,从而实现知识库的管理机制。此文通过MFC开发知识库管理系统的应用层、SQL Server 2017搭建知识库管理系统的物理层并通过ADO接口实现知识库管理系统的应用层与物理层的连接。知识库管理系统中模糊规则表用于保存知识库中的模糊规则,该模糊规则表的设计见表3。知识库管理系统中事实表用于保存事实库中的已知事实,该事实表的设计见表4。知识工程师通过与AIS保守治疗专家面谈和案例研究,从而概念化、形式化出848条AIS的诊疗和AIS矫形器设计规则。知识库管理系统的界面见图8。 "
然而,CLIPS具有知识库不易于管理与维护的不足。因此,此文选用VC++与SQL Server 2017开发知识库管理系统,从而实现知识库的管理机制。此文通过MFC开发知识库管理系统的应用层、SQL Server 2017搭建知识库管理系统的物理层并通过ADO接口实现知识库管理系统的应用层与物理层的连接。知识库管理系统中模糊规则表用于保存知识库中的模糊规则,该模糊规则表的设计见表3。知识库管理系统中事实表用于保存事实库中的已知事实,该事实表的设计见表4。知识工程师通过与AIS保守治疗专家面谈和案例研究,从而概念化、形式化出848条AIS的诊疗和AIS矫形器设计规则。知识库管理系统的界面见图8。 "
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