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aircraft braking
相关语句
  飞机刹车
     Simulation of Aircraft Braking System Based on MATLAB and VC++ Combined Programming
     基于MATLAB与VC混合编程的飞机刹车系统仿真
短句来源
     A New Method of Diagnosis on Faults of Aircraft Braking System
     一种新型的飞机刹车系统故障诊断方法
短句来源
     The results of simulation under three different kind of runway conditions indicate that the control scheme is correct and feasible, the runway model improved via para--meter identification could describe the real frictional characteristics and the aircraft braking simulation system could reflect real environment and satisfy the requirement.
     针对本文提出的自适应神经模糊推理控制律设计方案以及跑道模型参数识别方法,以某型飞机为例,对飞机刹车系统进行了仿真研究,实验结果表明:飞机刹车系统控制律设计方案合理可行,控制方法有效、利用遗传规划的辨识方法得到的跑道模型能较真实地描述轮胎与跑道的变化特性,所构建的仿真平台也能较真实地反映飞机刹车系统环境。
短句来源
     According to the model of aircraft dynamics,the process of aircraft braking is simulated based on high-competence digital signal processor F2812 in aircraft all-electric braking test system,accordingly to test the performance of the all-electric braking system.
     介绍了在飞机全电刹车测试系统中,应用高性能F2812 DSP,根据飞机动力学模型,模拟飞机刹车过程的真实环境,从而测试全电刹车系统的性能。
短句来源
     Digital Simulation of Aircraft Braking System
     飞机刹车系统的数字仿真
短句来源
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  “aircraft braking”译为未确定词的双语例句
     Development of Control and Simulation Technology of Aircraft Braking System
     机轮刹车系统的控制与仿真技术
短句来源
     Simulation on aircraft braking system applying the two control laws are performed on matlab6. 5/simulink platform.
     并在matlab6.5/simulink环境下,对采用这两种控制律的飞机防滑刹车系统分别进行了仿真研究;
短句来源
     The surface quality effect on the friction and wear properties and the running in characteristics of the carbon carbon composite (CCC) aircraft braking disks was investigated.
     在mm 10 0 0试验机上对炭 /炭复合材料 (CCC)飞机刹车盘 3组表面粗糙度不同的试样进行刹车模拟试验。
短句来源
     Effect of structure integrality of aircraft braking C/C composites on their friction coefficients
     炭/复合航空刹车材料的结构完整性对摩擦系数的影响
短句来源
     The simulation scheme and performance evaluation methods of aircraft braking system are presented,and the trend and good prospect of aircraft braking control system future are pointed out in the end.
     探讨了航空机轮刹车系统的模拟仿真技术、半实物仿真技术以及刹车系统的性能评估方法,展望了机轮刹车控制系统的研究方向和发展前景。
短句来源
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  相似匹配句对
     Digital Simulation of Aircraft Braking System
     飞机刹车系统的数字仿真
短句来源
     Design of Aircraft Antiskid Braking Control System
     一种飞机防滑刹车控制系统的设计
短句来源
     R & D of Braking System
     电制动控制系统的研究和发展
短句来源
     B.W. to the aircraft performances.
     电传飞控 /主动控制对飞机性能的影响。
短句来源
     Magnetization of aircraft
     飞机的磁化
短句来源
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  aircraft braking
Fresh manure is corrosive and can significantly degrade directional control of the aircraft and aircraft braking action.
      


With the powder metallurgical technology applied, the C/C composite specimens is bonded with powder metal which is composed of cobalt nickel and chromium etc. As a result, the obtained bonding shear strength over 4 Mpa can meet the needs of refurbishing of aircraft braking carbon disks. Moreover, the best properties of the metallic bonding material used are satisfied in practice.

以钴、镍等金属元素粉末为原材料 ,采用粉末冶金工艺将C/C复合材料样件粘结到一起 ,粘结强度可以达到4MPa以上 ,能够满足民航飞机炭刹车盘粘结维修的要求 ,耐热性能也能满足炭刹车盘的使用要求。

Frictional and wear behaviors of C/C composites from a needled felt were investigated at different braking speeds by simulating the aircraft braking with pairs of small circle samples. The frictional surfaces were examined with optical metallograph. The braking speeds increased from 0 in step of 5 m/s. At the speed 5 m/s or at static the friction coefficient is very low, but then it reaches to the maximum at the speed 10 m/s rapidly. At this moment the braking energy is low. When the speed...

Frictional and wear behaviors of C/C composites from a needled felt were investigated at different braking speeds by simulating the aircraft braking with pairs of small circle samples. The frictional surfaces were examined with optical metallograph. The braking speeds increased from 0 in step of 5 m/s. At the speed 5 m/s or at static the friction coefficient is very low, but then it reaches to the maximum at the speed 10 m/s rapidly. At this moment the braking energy is low. When the speed is over 20 m/s the friction coefficient goes constant but keeps high enough, demonstrating its excellent high energy and high temperature braking property. On the other hand, except at the speed 28 m/s, its wear property is also excellent. At the speed 15 m/s there appears a small wear peak. Wear debris and braking speeds have influence on the microstructures of friction surfaces. Wear debris and the base carbon on the surface are preferentially oxidized during braking.

用模拟刹车制动的摩擦试验机 ,研究了 1种针刺毡结构炭 /炭复合材料在不同制动速度下的摩擦磨损性能 ,并在光学显微镜下直接对摩擦表面进行了观察和分析 .研究结果表明 :在制动速度为 5m/s或静态条件下 ,针刺毡炭 /炭复合材料的摩擦因数很低 ,但在制动速度为 10m/s、能量较小时摩擦因数出现了峰值 ;在制动速度升高到 2 0m/s后 ,摩擦因数较高且随刹车速度变化趋于稳定 ,显示出优良的高能高温制动性能 ;只要制动速度不是极高 (如2 8m/s) ,这种材料均具有很好的抗磨损性能 ,其中磨损量在制动速度为 15m/s时达到最大值 ,该制动速度对应于飞机进出场滑行制动速度 ;摩擦表面微观结构及氧化状况取决于制动条件的影响 ,炭磨屑和基体炭在制动过程中会优先氧化 .

The surface quality effect on the friction and wear properties and the running in characteristics of the carbon carbon composite (CCC) aircraft braking disks was investigated. Because the peaks of asperities on the mating surfaces mutually penetrate as the surfaces move tangentially relative to each other, plastic elastic deformation occurs in the surface layer. The surface friction film depends on the depth of the deformed layer and the quantity of the wear particles. The latter depends on the...

The surface quality effect on the friction and wear properties and the running in characteristics of the carbon carbon composite (CCC) aircraft braking disks was investigated. Because the peaks of asperities on the mating surfaces mutually penetrate as the surfaces move tangentially relative to each other, plastic elastic deformation occurs in the surface layer. The surface friction film depends on the depth of the deformed layer and the quantity of the wear particles. The latter depends on the surface roughness of the CCC disks. The surface morphology, roughness, and profiles of the machined and worn surfaces are measured with a Talysurf 4, and studied using SEM. Running in deforms the machined surface roughness Ra (arithmetic mean deviation of the profile, which can be directly read from the profilometer or surface analyzer) to a deformed Ra. Running in is optimal when the machined surface roughness is slightly greater than deformed surface roughness after running in, and the optimal value of the machined surface roughness in this study is 12.5?μm. The properties of the surface layer of a material depend significantly on the cutting process. A correct machining method should produce a high precision surface with little undulation but a large roughness may shorten the running in time and decrease the number of running in braking cycles.

在mm 10 0 0试验机上对炭 /炭复合材料 (CCC)飞机刹车盘 3组表面粗糙度不同的试样进行刹车模拟试验。在摩擦表面相对作切向运动时 ,摩擦表面微凸体发生弹 -塑性变形、发生磨损进入磨合状态。采用Talysurf 4仪测定了CCC刹车盘磨合前后的表面形貌及其粗糙度 ,用SEM对磨损表面和磨粒形貌进行了研究。当刹车盘表面波度较小而表面微观粗糙度在Ra =12 .5 μm时 ,有利于在摩擦面上形成摩擦膜 ,使刹车副很快进入磨合状态。使用恰当的加工方法和加工精度可以缩短磨合时间和磨合刹车次数

 
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