In this paper the equivalence of two criteria for chaos threshold in an impact vibration system is verified.
以一类简单的碰撞振动系统为例，验证了两种混沌门槛值判据的等价性。
An impact vibration test method (IVTM) for measuring natural frequencies of existing piers is proposed in this paper.
提出了一种测量既有桥墩自振频率的新方法，即冲击振动试验法(IVTM)。
The impact vibration is one of the key factors of affecting the walking stability of a humanoid-robot at double-to-single support time.
双单脚支撑转换时的冲击振动是影响仿人机器人稳定行走的重要因素。
An approach to analyze the impact response of the free standing equipment to vibration excitations is presented on the basis of the impact vibration model of rigid block.
基于刚体冲击振动模型，建立了浮放设备在振动激励条件下冲击响应分析的理论方法。
The utility model relates to a mechanical press damping shock absorbing apparatus, which is used for controlling the noise caused by the impact vibration of the mechanical press.
本实用新型是一种机械压力机阻尼减振装置，用于机械压力机冲击振动噪声控制。
The first-order mode and the first eigenfrequency of the pier can be obtained easily and precisely by the impact vibration test method, from which three indexes such as the chang.
利用冲击振动试验法可以准确得到桥墩的一阶振型和一阶频率，利用这两个参数可以构造出一阶振型比、特征参数、一阶曲率模态差三个指标。
With the impact and vibration of the crane, it may cause the rail installation loose, the connector fall off, deformation, crack, precision index super difference.
随着起重机运行时产生的冲击和振动，可能引起轨道安装的松动、连接件脱落、变形、裂纹、精度指标超差。
Round mounting holes (not slots) in the sensor housing avoid incorrect mounting distances or movement through impact or vibration which otherwise may require maintenance.
传感器外壳上的圆形安装孔（非槽形）可避免由于错误的安装距离或运动而导致的碰撞或震动引起的维修。
The noise excited by impact and vibration of gear pairs in automobile engine is one of the main sources of noise.
汽车发动机齿轮系统冲击振动所引起的噪声，是发动机噪声的主要来源之一。
Internal bolts subject to vibration, fluctuating load, impact load or dynamic load shall be protected against loosening. Double nuts, unti-loose washers, tack welding, etc. shall be used.
可能受到振动、波动载荷、冲击载荷或动力载荷的内部螺栓应加以保护防止松动。可采用双螺母、防松动垫圈、点焊等。
Impact and vibration will reduce the precision of CAM mechanism, result in invalidation of CAM mechanism.
从动件运动时产生的冲击和振动会造成凸轮机构传动精度的降低，使凸轮传动系统产生失效。
The foundation template support is not strong, the pouring concrete is too high, the concrete vibration impact, so that the template displacement, resulting in the deviation of the baseline.
基础模板支设不牢固，浇筑混凝土下料过高、混凝土振捣撞击，使模板位移，造成基准线产生偏差。
In addition to watch though shock, but strong impact in the outside world is easy to make the pendulum shaft tip or gear shaft broken, can make the vibration of the walking speed needle.
另外手表虽防震，但在外界的冲击力较强时易使摆轴尖或轮系轴颈折断，亦可使快慢针震动影响走时。
The practical testing data of impact and vibration during transporting by train and truck are also-given.
并给出了火车、汽车运输时振动、冲击的实测数据。
A rigid controller for the unmeasured vibration states was designed and a compensatory method for the impact on position control caused by system dynamics was given.
针对振动状态的不可测量性，应用刚性控制规律设计了控制器，给出了一种补偿系统动力学对位置控制影响的方法。
The use of vibration and impact to the mold casting equipment in separation of molding sand and casting.
利用振动和冲击使铸型中的型砂和铸件分离的铸造设备。
Magnetorheological fluid (MRF), a new smart material, does well in the vibration and impact control field. And success of MRF is apparent in many domains.
作为一种新型智能材料，磁流变液被广泛用于振动和冲击控制中，并且已经在很多领域取得了成功。
Use two freedom vibration theory, base on impact has instant motion characteristic, use puncher example, study the isolating vibration design of impact base.
应用两自由度振动理论，根据冲击具有瞬态运动的特点，以冲床为例，研究冲击基础的隔振设计。
There are many factors that influence impact and vibration in hydraulic systems, such as pump structure, valve parameters, load, pipe design and operation conditions.
影响液压系统冲击、振动的因素很多，如泵的结构、阀的参数及负载情况和整个系统管路设计的合理性、工作条件等。
Cured flexible rubber has good performance in electrical insulation to protect the module free from machinery vibration and out force impact.
优秀的电绝缘性能，固化后形成高强度的柔性橡胶体，保护组件免受机械震动及外力冲击。
The influence of the vibration reduction system on the impact peak acceleration and impulse width was analyzed.
分析了减振系统对冲击峰值加速度、脉冲宽度的影响。
So it is important to study pier's vibration characteristic and the impact on the bridge by the pier.
因此，研究桥墩的振动特性及桥墩对桥跨横向振动的影响具有重要意义。
Suspension system is mainly used to relax road surface impact, attenuate vibration, ensure vehicle ride comfort and stability control capacities during running.
悬架系统的主要作用是缓和车辆在行驶中所受路面的冲击，衰减振动，保证车辆行驶的平顺性和操纵稳定性。
It is shown that the impact loads and vibration loads can be greatly reduced by adopting optimal control techniques, and the taxiing performance of airplane can be greatly improved.
结果表明，采用主动控制技术可大大降低起落架的冲击载荷和振动载荷，提高飞机的滑行性能。
Based on the strain, vibration and impact features of fiber Bragg grating (FBG) sensors, a fiber-optic intrusion alarm system using quasi-distributed FBG sensors is developed.
根据FBG传感器的应变、振动和冲击特征，报道了一种基于准分布式fbg传感器的入侵报警系统。
The relation between amplitude and vibration drilling mechanism and the impact of amplitude upon the life of drill with vibration drilling are described.
论述了振幅与振动钻削机理之间的关系以及对振动钻削钻头寿命的影响。
Producte are suffered from impact and vibration in distribution, so that cushioning packaging should be used to prevent the products from being damaged.
产品在流通过程中会受到冲击和振动，为防止产品受冲击振动的损坏，应采用缓冲包装。
Producte are suffered from impact and vibration in distribution, so that cushioning packaging should be used to prevent the products from being damaged.
产品在流通过程中会受到冲击和振动，为防止产品受冲击振动的损坏，应采用缓冲包装。
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