永磁混合游标直线电机模型及空载仿真数据分析

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资源摘要信息:"Project5.rar_linear motor_永磁电机_永磁直线电机_直线电机_直线电机模型" 在本资源中,我们关注的焦点是一个特定的电机技术领域——永磁直线电机及其模型。标题中提到的“Project5.rar”暗示这是一个可能包含设计文件或仿真数据的压缩包,而文件名“Project5.aedt”表明它可能是基于Ansoft Electronics Desktop软件(一个高频电磁场仿真工具)的仿真项目文件。接下来我们将详细探讨所提及的关键词以及它们各自所代表的含义。 首先,我们来看标题中包含的关键词“linear motor”。直线电机是一种将电能直接转换为直线运动机械能的机电转换装置。与传统旋转电机(如永磁电机)不同,直线电机直接产生直线运动,省去了旋转运动到直线运动的转换环节(如使用丝杆或齿轮等机械传动装置)。直线电机具有高精度定位、高速响应、长行程等特点,广泛应用于数控机床、电子制造设备、磁悬浮列车等领域。 接着是“永磁电机”,这指的是利用永久磁铁提供磁场的电机。与传统的电磁铁电机不同,永磁电机中的磁场是由永磁体产生的,这样可以省去励磁电流,因此具有高效节能、结构简单等优点。永磁电机根据使用场合可以分为多种类型,例如直流永磁电机、无刷直流电机和交流永磁同步电机等。 标题中的“永磁直线电机”是永磁电机的一种特殊形式,结合了永磁电机的高效率和直线电机的直接驱动优势。永磁直线电机在设计上采用了永磁体来产生磁场,这种设计常用于需要精确定位和快速响应的应用场景中,如高精度定位平台、直线驱动的自动化设备等。 而“直线电机模型”指的是对直线电机进行理论和实际分析时所使用的数学模型或仿真模型。这些模型通常包括电机的电磁特性、热特性、动力学特性等,通过模型可以对电机的性能进行预测和优化。在工程项目中,直线电机模型可用于设计验证、性能预估、故障诊断等环节。 描述中提到的“永磁混合游标直线电机模型,可提取空载仿真数据”指的是该模型在空载状态下(即没有负载时)可以提取出相关的仿真数据。空载数据是评估电机在无负载条件下的基本性能的重要指标,包括空载电压、电流、效率等参数。这些数据对于电机设计人员来说至关重要,因为它们可以反映出电机的基本性能并作为后续负载状态下设计和优化的参考。 最后,从文件列表中的“Project5.aedt”文件名我们可以推测,这是一个包含仿真数据的Ansoft Electronics Desktop软件项目文件。该软件通常用于设计和分析高频电磁场相关设备的性能,例如在本案例中的永磁直线电机。通过Ansoft Electronics Desktop这类软件,工程师能够对电机的电磁场分布、力/力矩特性、损耗特性等进行详细的仿真分析。 综上所述,此资源集合了永磁直线电机设计、性能分析和仿真数据提取等多个方面的知识点。对于从事电机设计与仿真分析的专业人员而言,这样的资源具有极高的参考价值。通过实际操作和分析此类项目文件,可以加深对直线电机理论和实际应用的理解,提升电机设计和优化的技能。

帮我审查一下下带private Map<String, ItemsCustomTargetResult> getItemsCustomTargetResult(BidNodeViewDto bidNodeViewDto, Map<String, String> targetCodeMap) { Map<String, ItemsCustomTargetResult> itemsCustomTargetResultMap = new HashMap<>(); List<String> colName = new ArrayList<>(); colName.add(Constants.ProjectView.COL_NAME_EXPRESSION); colName.add(Constants.ProjectView.COL_NAME_EXPERSSION_VALUE); colName.add(Constants.ProjectView.COL_NAME_TOTAL); colName.add(Constants.ProjectView.COL_NAME_PERCENT); colName.add(Constants.ProjectView.COL_NAME_UNIT); for(String name : colName) { String value = null; if (Constants.ProjectView.COL_NAME_EXPRESSION.equals(name)) { value = bidNodeViewDto.getExpressionName() + ""; }else if(Constants.ProjectView.COL_NAME_EXPERSSION_VALUE.equals(name)) { value = bidNodeViewDto.getExpressionVal() + ""; }else if(Constants.ProjectView.COL_NAME_PERCENT.equals(name)) { value = bidNodeViewDto.getPercentTotal() + ""; }else if(Constants.ProjectView.COL_NAME_TOTAL.equals(name)) { value = bidNodeViewDto.getAmount() + ""; }else if(Constants.ProjectView.COL_NAME_UNIT.equals(name)) { value = bidNodeViewDto.getUnitIndex() + ""; } String targetCode = targetCodeMap.get(name); if(Strings.isBlank(targetCode)) { continue; } ItemsCustomTargetResult itemsCustomTargetResult = new ItemsCustomTargetResult(); itemsCustomTargetResultMap.put(targetCode,itemsCustomTargetResult.obtainItemsCustomTargetResult(targetCode, null, value, null)); } return itemsCustomTargetResultMap; }

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将下面这条sql语句简化一下:SELECT * FROM ( SELECT fpd.fpd_id AS fpdId, fpd.fpd_budget_project AS fpdBudgetProject, fpd.fpd_budget_project_id AS fpdBudgetProjectId, fpd.fpd_pf_name AS fpdPfName, fpd.fpd_pf_id AS fpdPfId, fpd.fpd_expend_subject AS fpdExpendSubject, fpd.fpd_expend_subject_id AS fpdExpendSubjectId, fpd.fpd_payee_name AS fpdPayeeName, fpd.fpd_payee_account AS fpdPayeeAccount, fpd.fpd_payee_opening_bank AS fpdPayeeOpeningBank, fpd.fpd_payee_opening_bank_num AS fpdPayeeOpeningBankNum, fpd.fpd_dept_pay_economics_classify_num AS fpdDeptPayEconomicsClassifyNum, fpd.fpd_dept_pay_economics_classify_name AS fpdDeptPayEconomicsClassifyName, fpd.fpd_applied_amount AS fpdAppliedAmount, fpd.fpd_capital_use AS fpdCapitalUse, fpd.fpd_postscript AS fpdPostscript, fpd.fpd_budget_item_name AS fpdBudgetItemName, fpd.fpd_budget_item_number AS fpdBudgetItemNumber, fpd.fpd_dr_name AS fpdDrName, dbec.dbec_parent_num AS dbecParentNum FROM financial_payment_details fpd LEFT JOIN dept_budget_economy_class dbec ON fpd.fpd_dept_pay_economics_classify_num = dbec.dbec_num WHERE fpd.fpd_is_tax = "0" UNION ALL SELECT fpd.fpd_id AS fpdId, fpd.fpd_budget_project AS fpdBudgetProject, fpd.fpd_budget_project_id AS fpdBudgetProjectId, fpd.fpd_pf_name AS fpdPfName, fpd.fpd_pf_id AS fpdPfId, fpd.fpd_expend_subject AS fpdExpendSubject, fpd.fpd_expend_subject_id AS fpdExpendSubjectId, fpd.fpd_payee_name AS fpdPayeeName, fpd.fpd_payee_account AS fpdPayeeAccount, fpd.fpd_payee_opening_bank AS fpdPayeeOpeningBank, fpd.fpd_payee_opening_bank_num AS fpdPayeeOpeningBankNum, fpd.fpd_dept_pay_economics_classify_num AS fpdDeptPayEconomicsClassifyNum, fpd.fpd_dept_pay_economics_classify_name AS fpdDeptPayEconomicsClassifyName, sum( fpd.fpd_applied_amount ) AS fpdAppliedAmount, fpd.fpd_capital_use AS fpdCapitalUse, fpd.fpd_postscript AS fpdPostscript, fpd.fpd_budget_item_name AS fpdBudgetItemName, fpd.fpd_budget_item_number AS fpdBudgetItemNumber, fpd.fpd_dr_name AS fpdDrName, dbec.dbec_parent_num AS dbecParentNum FROM financial_payment_details fpd LEFT JOIN dept_budget_economy_class dbec ON fpd.fpd_dept_pay_economics_classify_num = dbec.dbec_num WHERE fpd.fpd_is_tax = "1" GROUP BY fpd_pay_num ) t1

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将下面这条sql语句简短一些:SELECT * FROM ( SELECT fpd.fpd_id AS fpdId, fpd.fpd_budget_project AS fpdBudgetProject, fpd.fpd_budget_project_id AS fpdBudgetProjectId, fpd.fpd_pf_name AS fpdPfName, fpd.fpd_pf_id AS fpdPfId, fpd.fpd_expend_subject AS fpdExpendSubject, fpd.fpd_expend_subject_id AS fpdExpendSubjectId, fpd.fpd_payee_name AS fpdPayeeName, fpd.fpd_payee_account AS fpdPayeeAccount, fpd.fpd_payee_opening_bank AS fpdPayeeOpeningBank, fpd.fpd_payee_opening_bank_num AS fpdPayeeOpeningBankNum, fpd.fpd_dept_pay_economics_classify_num AS fpdDeptPayEconomicsClassifyNum, fpd.fpd_dept_pay_economics_classify_name AS fpdDeptPayEconomicsClassifyName, fpd.fpd_applied_amount AS fpdAppliedAmount, fpd.fpd_capital_use AS fpdCapitalUse, fpd.fpd_postscript AS fpdPostscript, fpd.fpd_budget_item_name AS fpdBudgetItemName, fpd.fpd_budget_item_number AS fpdBudgetItemNumber, fpd.fpd_dr_name AS fpdDrName, dbec.dbec_parent_num AS dbecParentNum FROM financial_payment_details fpd LEFT JOIN dept_budget_economy_class dbec ON fpd.fpd_dept_pay_economics_classify_num = dbec.dbec_num WHERE fpd.fpd_is_tax = "0" UNION ALL SELECT fpd.fpd_id AS fpdId, fpd.fpd_budget_project AS fpdBudgetProject, fpd.fpd_budget_project_id AS fpdBudgetProjectId, fpd.fpd_pf_name AS fpdPfName, fpd.fpd_pf_id AS fpdPfId, fpd.fpd_expend_subject AS fpdExpendSubject, fpd.fpd_expend_subject_id AS fpdExpendSubjectId, fpd.fpd_payee_name AS fpdPayeeName, fpd.fpd_payee_account AS fpdPayeeAccount, fpd.fpd_payee_opening_bank AS fpdPayeeOpeningBank, fpd.fpd_payee_opening_bank_num AS fpdPayeeOpeningBankNum, fpd.fpd_dept_pay_economics_classify_num AS fpdDeptPayEconomicsClassifyNum, fpd.fpd_dept_pay_economics_classify_name AS fpdDeptPayEconomicsClassifyName, sum( fpd.fpd_applied_amount ) AS fpdAppliedAmount, fpd.fpd_capital_use AS fpdCapitalUse, fpd.fpd_postscript AS fpdPostscript, fpd.fpd_budget_item_name AS fpdBudgetItemName, fpd.fpd_budget_item_number AS fpdBudgetItemNumber, fpd.fpd_dr_name AS fpdDrName, dbec.dbec_parent_num AS dbecParentNum FROM financial_payment_details fpd LEFT JOIN dept_budget_economy_class dbec ON fpd.fpd_dept_pay_economics_classify_num = dbec.dbec_num WHERE fpd.fpd_is_tax = "1" GROUP BY fpd_pay_num ) t1

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