PID control method with variable tuning parameters in the digitized engine test systems is presented.
开发了一种用于数字化发动机试验控制系统中调谐系数可调的PID控制方法。
The test result shows that the new developed design and calculation method is successful in resolving the problems in the vehicles with engine rear mounted.
试验结果表明,新开发的设计及计算方法成功地解决了后置发动机车型存在的问题。
Standard test method for oxygenates and paraffin , olefin , naphthene , aromatic o - pona hydrocarbon types in low - olefin spark ignition engine fuels by gas chromatography.
用气相色谱对低烯烃火花点火引擎燃料芳香碳氢化合物类型,环烃,烯烃,石蜡和氧化物的标准试验方法。
The result of test and evaluation proves that using the method to judge the technical state of engine is feasible.
试验评估结果表明,采用这种方法进行发动机技术状况评估是可行的。
The method was satisfactorily applied to the windmilling characteristics test of a turbofan engine.
该方法在某型涡扇发动机风车特性试验中得到了成功应用。
Based on a turboshaft engine test data gathered during cold run, a method of calculating engine resistant torque and torque for acceleration was introduced.
依据某型涡轴发动机冷运转试验数据,给出了发动机阻力矩和净力矩的计算方法。
Fuel economy performance and some the latest specifications of inter-combustion engine oil at home and abroad are recounted. Test method of fuel economy performance is introduced.
重点叙述了国内外内燃机油燃料经济性能及油品规格的要求,介绍了评价燃料经济性的试验方法。
A method based on fuzzy C-mean clustering and image matching algorithms are proposed to detect atomization Angle and uniformity, applied to performance test-bed of engine nozzle.
提出了基于模糊C均值聚类和图像匹配,检测喷雾锥角和喷雾不均匀度的方法,并应用于发动机喷嘴性能检测。
The paper presents in detail the national standard of motor vehicle gasolene engine idling exhaust emission pollutant, test method and method of idling regulation under different conditions.
对汽油车怠速污染物排放的国家标准,检测的方法以及不同情况下的怠速调整方法进行了详细地介绍。
The traditional method for the measurement of scooter engine performances with test bench is to measure the power of engine crankshaft.
传统的坐式摩托车发动机台架性能试验方法是测试发动机的曲轴功率。
This article presents the content, method and process of auto engine starting system test. This paper introduces many means and circuits of no-load test, overall braking test and solenoid switch test.
提出了汽车发动机启动系统测试的内容、方法及步骤,介绍空载试验、全制动试验、电磁开关试验的方法和线路。
This method provides the entry point for the load test engine to execute the code contained in the load test plug-in.
这个方法提供进入点,负载测试引擎执行负载测试外挂程序中所包含的程序码。
This test method was developed with 135 engine through screening the test condition, evaluating tests of reproducibility and distinctiveness of oil sample.
该试验方法用1 35发动机经调试、试验条件的筛选、油样的重复性、区分性评定试验等研制而成。
The test results show that the technology and method of simulation test are correct and available. And the results of simulation test have served in the engine design.
结果表明:模拟实验技术可行,实验方法正确,模拟实验结果为发动机设计提供了依据。
In this paper the separation method of combustion noise and mechanical noise, the identification technique of engine noise sources and the engine structure test were discussed.
本文讨论了柴油机燃烧噪声和机械噪声的分离方法;阐述了声源识别技术和发动机结构试验。
For the sake of the noise control of automotive noise, an improved method is presented through some muffler of a subminiature truck tests on an engine test bed.
以控制汽车加速噪声为背景,通过对某微型卡车排气消声器的测试分析结果,提出相应的改进措施。
The character signals of an internal combustion engine in operation were extracted by choosing appropriate sensor, improving the mounting method for the sensor and selecting test point reasonably.
主要叙述在内燃机不停机的情况下,通过选择恰当的传感器,改进传感器的安装方法和合理选择测点来提取机器特征信号。
The difference of six-point test method is discussed between tractor PTO and engine, and the reason of the difference is analysed. This will benefit the design and production of tractor and engine.
论述了拖拉机动力输出轴试验与发动机六工况试验的差异,分析了产生这一差异的原因,有利于发动机、拖拉机的设计和生产。
This paper introduces the conformable control method by using PME torque instrument for diesel engine test table, which has been used for production, and has taken a good effects.
介绍使用PME扭矩仪对柴油机试验台架的一致性监控方法,此方法已经用于生产,取得了较好的效果。
The diesel engine is a complicated machine with many vibration sources, so the traditional vibration analysis and single parameter test method cannot determine the diagnosis accurately.
柴油机结构复杂,振源众多,常规的振动分析及单项指标测试对于故障的定位与诊断精确度不高。
The flight test method recommended in this paper can be used as a reference for providing other small single engine aircraft spin certification tests.
本文推荐的试飞方法可供其他小型民用飞机型号合格审定尾旋科目飞行试验借鉴。
Through analysis of engine ground test data, it's learnt that dogleg method can resolve efficiently the rich oil and overrunning problem, and achieve rotational speed control with strong robustness.
通过开车试验数据分析,折线法能够有效地解决冲速段的富油和冲速问题,实现冲速段的转速控制, 并且具备较强的鲁棒性。
The on-board measurement device and its monitor system were designed, Then the signal processing method induced from the engine test data was adopted to analyze the test results on the truck.
首先设计了适于随车测量的瞬时转速采集装置及其随车监控系统;然后根据在台架试验结果总结出的处理方法,对实车不同工况下的瞬时转速信号测量结果进行了分析。
The squish patterns in engine piston bowls with different geometry are visualized by the method of oil streak in a motored single cylinder test engine.
本文在一个拖动的单缸实验机上,利用油点条痕法显示了活塞上燃烧室凹坑中挤流运动的流谱,研究了燃烧室形状和几何尺寸对挤流谱的影响。
The paper presents in detail the national standard of motor vehicle gasolene engine idling exhaust emission pollutant, test method and metho...
对汽油车怠速污染物排放的国家标准,检测的方法以及不同情况下的怠速调整方法进行了详细地介绍。
While the discrete test run data of an aero-engine was adapted using the high order multi-parameters polynomial fit method, the steady characteristic curves were founded.
为此对某型航空发动机的离散试车数据点进行了多元高次多项式拟合,建立了该型号发动机的稳态特性曲线。
Test of flow distribution was performed on the cylinder head of typical Turbocharged diesel engine using flow display method and 2d flow field of cooling water in the cylinder head was obtained.
采用流动显形法对典型增压柴油机气缸盖进行水流分布试验,得到冷却水在缸盖中的二维流场。
The test results showed that it is an effective method to reduce particulate emission of di diesel engine by means of changing swirl level in the cylinder.
结果表明,针对工况需要调整气缸内涡流水平是降低柴油机微粒排放的有效手段。
The test results showed that it is an effective method to reduce particulate emission of di diesel engine by means of changing swirl level in the cylinder.
结果表明,针对工况需要调整气缸内涡流水平是降低柴油机微粒排放的有效手段。
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