传感器

The demands of gas sensors, which are more subminiature, intelligent and can be integrated, lead to the research of thin film gas sensor.

气体传感器是传感器中的一个重要类别，几乎在各个技术领域中，都涉及气体传感器的应用。

Therefore, compensation for the drift should be given; the main reason for the temperature drift is theoretically analyzed which lies in the temperature coefficient of the coil resistance, and then a new compensation method utilizing non-inductive winding is presented and illustrated in an example; the experimental results show that the sensor obtains good compensation effects under 20-90℃, and the temperature stability reaches 0.7%.

电涡流传感器的温度漂移制约了其测试精度，因此需要给以温度补偿；理论分析出导致传感器温度漂移的主要原因在于线圈电阻的温度系数过大，因此提出采用无感线圈进行补偿的方法，并给出了设计实例；实验表明该方法在20~90℃度范围内补偿效果良好，温度稳定性达到0.7%；该方法简单、有效且成本低，可扩展应用于其他类型电涡流传感器。

The limitation of traditional temperature sensor in high temperature measurement is introduced. A new nonmetal temperature sensor-graphite fibre thermoelectric couple is put forward, and the characteristic of sensor, machining manner, and application environment are presented.

介绍了高温测量中传统温度传感器的缺陷，提出了一种新型的非金属温度传感器―石墨纤维热电偶，并对该传感器的特性、加工方式、应用环境进行了分析。

A new nonmetal temperature sensor—— graphite fibre thermoelectric couple is put forward, and the characteristic of sensor, machining manner, and application environment are presented.

介绍了高温测量中传统温度传感器的缺陷，提出了一种新型的非金属温度传感器———石墨纤维热电偶，并对该传感器的特性、加工方式、应用环境进行了分析。

In this paper, infrared thermograph is applied in the thermal analysis and measurement of micro-hotplate of a gas sensor. The temperature distribution of small area of micro-hotplate is measured, which provide a reliable basis for the development of micro-sensor.

本文针对研制中的气体传感器的微热板，用红外热成像技术进行热测试和分析，获得气体传感器微热板的微小区域的温度分布，为传感器的研制提供了可靠的依据。

For the purpose of real-time position inspection of components with large curved metallic surfaces by using a flat flexible eddy current sensor array,the measurement technology is investigated and the testing method based on time division multiplexing technology is introduced for the eddy current array.

采用一种基于时分多路的电涡流阵列测试的方法，通过对传感器探头和测试电路的合理设计，使系统电路得到简化，减小阵列单元之间的串扰，提高传感器系统的测试性能，实现了电涡流传感器阵列的快速、高精度测量

The main content of this dissertation can be described as follows: Firstly, the precision measuring theory of spindle rotatory error by the single, double, trinary sensor respectively is researched more thoroughly along with the elimination principle of measurement deviation. According to the characteristic of boring, a new measuring theory and its evaluation criteria of two radiating sensors is proposed based on the theory of relative axis trace movement.

全文围绕实现主轴回转误差的测量与补偿理论机器在镗削加工中的应用研究展开，具体内容概括如下：首先，在分析主轴回转误差的精密测试理论之后、对单传感器、双传感器、三传感器方法的测试理论，测量偏差的消偏原理等理论进行深入地研究。

Despite data fusion has such remarkable advantage as redundant and complementary information, but it has much shortcoming as following: uncertain environment, deficient sensor resources and shortage factors of sensor oneself. In order to let the whole system have best capability, foregoing factors lead the unisonous problem of sensor resources distribution to be researched.

尽管数据融合兼有信息的冗余性与互补性等显著优点，但由于目标环境的不确定性、传感器资源的相对不足以及传感器的本身限制等因素，都需要对传感器资源进行协调分配，以使系统取得整体性能最优。

The present invention includes guide shaft connected to universal shaft coupling; small box and large box clearance fitted with and fixed to the guide shaft; support rod with one end connected to the notched blocks inside the small box and large box and the other end connected to the roller and the sensor; and sensor fixed onto the installing frame and compression spring set inside the large box; and all these together with the pipe constitute one umbrella-shaped structure.

本发明导向轴与万向联轴节固定联接，小箱体、大箱体与导向轴是间隙配合，并在导向轴固定；支承杆一端联接于小箱体与大箱体中的凹形块，另一端与滚轮联接；传感器固定于传感器安装架上，压缩弹簧设置于大箱体中；支承杆一端与小箱体、大箱体中凹形块联接，另一端与滚轮、传感器安装架联接，支承杆沿半径方向圆周均匀分布，与小箱体、导向轴和管道组成一个伞式结构，支承杆与大箱体、导向轴和管道组成另一个伞式结构。

The dyn amic characteristic model is bui lt and the simulation is made by using GA based neural network.

用基于遗传算法的神经网络对滑觉传感器的动态性能进行了建摸和仿真，从传感器应用的角度出发，依据&逆模型&思想，采用神经网络对传感器建立辨识模型，从而提高了机械手的控制精度和灵敏度

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。