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Aiming at permanent brushless DC motor in mini-BEV (battery electric vehicle) with torque ripple and violent noise during low speed running, the fuzzy control method is combined with slide mode control method to suppress the influence due to un-modeling p
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摘要针对微型电动车用永磁无别电动机转矩脉动大、低速运行时噪声明显等主要问题，采用模糊控制和滑模控制相结合的方法，克服了未建模参数的影响，保证了滑模到达阶段的鲁棒性，同时抑制了转矩脉动。 |
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Aiming at practical development status of modern distance education, this paper studied ways for promoting modern distance education quality from aspect of quality control.
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摘要本文针对现代远程教育发展的实际情况，从质量控制的思路出发，研究了促进现代远程教育质量提高的途径。 |
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Aiming at providing our valuable customers with value-added products and services, we have been make great efforts to build up our core competence, including excellent research and development ability, systematic project management ability, and perfect an
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公司的目标是为我们有价值的客户提供增值的产品和服务，因此我们着力打造我们的核心竞争力，即：出色的研发能力，系统的项目管理能力，完善、快速反应的供应链体系，推崇客户至上的理念，努力成为一个客户首选的连接系统解决方案的供应商。 |
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Aiming at stress analysis of dip angle fully mechanized top-coal caving support in mining, from the technique of designing and mining, put forward technique measurements: reduce gap of support beam; increase the inter-frame jack in neighboring support bea
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针对大倾角放顶煤支架在开采过程中的受力情况，提出了防止液压支架倾倒的技术措施是：①减少支架顶梁间隙；②在邻架顶梁间增设调架千斤顶。 |
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Aiming at technical features and technology requirements for cold bending forming production line of steel bar for packing case, equipment including in such line has been introduced with emphasis on working principle and devices for burr trimming and open
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摘要针对包装箱钢条冷弯成形生产线的技术特点及产品工艺要求，介绍了包装箱钢条冷弯生产线的设备组成；重点阐述了包装箱钢条的在线预冲毛刺及豁口孔设备的工作原理及装置、包装箱钢条产品的在线液压扩孔及液压飞剪技术的控制原理。 |
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Aiming at the abnormal strata behavior in the advance entry of 1303 fully-mechanized working face in Xinglongzhuang coal mine, the movement rule, characteristic, step distance of fracturing, position and mode of fracturing of the overlying strata in minin
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摘要针对兴隆庄煤矿－采区1303综放工作面超前平巷发生奇异压力的现象，采用关键层理论对在采动过程中的上覆岩层运动规律进行了详细的力学分析，研究了它们的运动特征、破断步距、断裂位置、断裂方式以及对工作面及其超前平巷的来压规律，对比分析了该工作面矿压实测数据与理论研究成果。 |
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Aiming at the abuses of old administrative law, the recent issued Administrative Admission Law provides some new articles in which the relative centralization and implement of administrative admission shows the scientific development concept of people-fir
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针对传统行政法规中种种非人本的弊端，新颁布的《行政许可法》做出了一些新的法律规定，其中对行政许可权的相对集中与实施就充分彰显了以人为本的科学发展观。 |
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Aiming at the anti-air missile flight control problem, a designing method of missile autopilot with fuzzy wavelet neural network is put forward.
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摘要针对防空导弹的飞行控制问题，提出一种基于模糊小波网络的导弹自动驾驶仪设计方法。 |
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Aiming at the characteristic of the distortion of the extremely hard maintained roadway, the numerical analysises were made on surrounding rock stress and displacement in roadway with FLAC program.
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摘要针对极难维护放顶煤回采巷道的变形特点，依据FLAC程序对不同支架形式的巷道围岩应力场和位移场进行了数值模拟。 |
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Aiming at the characteristics of drainage pumps in mine, the paper presented a method of realizing balance run and automatic shift of multi-motor of drainage pumps by analyzing the control demand of drainage pumps and searching the optimization scheme bet
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文章针对煤矿井下排水泵的特点，通过分析其控制要求，在系统控制的可靠性和控制实现的简洁性、经济性之间寻求最佳化，给出了实现多台排水泵电机均衡运行和自动轮值控制的一种方法。 |
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Aiming at the characteristics of seismic data from complex fault blocks in Zhongyuan oilfield, the selection of key parameters in pre-stack migration and migration approaches were meticulously studied.
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针对中原复杂断块区地震资料的特点，对速度场的建立、叠前偏移中关键参数的选取以及偏移方法展开了深入细致的研究。 |
