研究了通过调节数控机床伺服参数,控制极限切削宽度来抑制切削颤振的新方法。
A new method for suppressing cutting chatter is studied by adjusting servo parameters of the numerical control (NC) machine tool and controlling the limited cutting width.
如果你像美国疾病控制与预防中心建议的那样,每周适度锻炼150分钟,或者少于150分钟,你可能就不是一个极限运动员。
If you're moderately exercising for 150 minutes a week, as the Centers for Disease Control and Prevention recommends, or less than that, you're probably not an extreme athlete.
请求要么记录在变更控制系统中,要么对于更不正式的项目来说,特别是在极限程序设计项目中,记录在卡片上或活动挂图上。
Requests are recorded either in change control systems, or even for more informal projects, particularly within eXtreme Programming projects, on CARDS or flip charts.
汽车侧滑控制系统可以减少不足转向及过多转向,但是它该表不了物理法则。不管怎样,它能帮助你了解车辆在附着极限时应该怎么做,这样你就可以下意识地快速反应。它可以?
Vehicle skid control systems can reduce understeer or oversteer, but they cannot change the laws of physics. Either way, it helps to know what to do when.
佩戴这一装置后,自闭症患者可以在达到极限压力前监测、交流并且设法控制压力水平。
When wearing the device, people on the autism spectrum can monitor, communicate and manage their own stress levels before they reach problematic levels.
认识到你所能控制的极限。对我们大多数人而言,计划更改所产生的失败感让我们感到失去控制。
For most of us, the frustration with changed plans is that we feel out of control.
动态牵引控制系统是您时刻挑战极限,却又不用担心会过分危险。
Dynamic Traction Control (DTC) allows you to drive at the limits without fear of exceeding them.
如果减振器的振幅变大,控制活塞会移动到它的极限位置然后会终止旁通孔的油路,从而开始提供完全的阻尼力。
If the excitation of the shock absorber is greater, the control piston moves to its limit position so that oil ceases flowing through the bypass duct, meaning that the full damping force is available.
实际的装载量靠近极限值的同时,又不断与四个极限值相比较。起重机控制电容可以作为开关。
The actual load is compared to four limit values, and by achieving the limit value, the relay of the crane controller could be switch.
通过状态机对负载进行离散侦测以及电流极限模糊控制模式,提高了电源的响应度;
Response speed has been improved by both the state machine, which makes discrete detection on load, and current limit fuzzy control.
该算法以细分后的控制网格与极限曲面之间的最小距离和粗加工余量作比较,确定均匀细分次数。
By comparing the least distance between subdivided control mesh and limit surface with rough machining allowance, the uniform subdivision depth was determined.
本文讨论了物理化学中的几种研究方法,如科学抽象法、理想模型法、本质揭示法、极限外推法、相对数值法和控制变量法等。
This paper discussed a few research method about physical chemistry, such as scientific abstract, ideal mode, essential show, limit inference, relative number, variable control and so on.
方法以统计学的正态分布与中心极限定理为理论基础,结合免疫进化的思想,提出免疫控制图原理及学习算法;
MethodsBased on the theory of normal distribution and central limit theorem of the statistics, the immune control chart is proposed, which combines the immune idea.
根据两类极限状态的基本要求,建立了预应力混凝土梁截面设计的控制方程,提出了直接设计方法。
Based on the demands of two limit states, the design control equations of cross section for prestressed concrete beam are derived and the direct design method is presented.
本文提出了部分预应力砼构件基于两类极限状态直接控制的设计方法,并给出了具体的设计公式和设计步骤。
The authors put forward a design method of Partially Prestressed Concrete members, Which is based on the direct Controlling of two Kind of limit state and also the design formula and design steps.
并对极限浓度及常温下介质浓度对裂纹扩展的动力学控制过程影响进行了讨论。
And the effect of limit concentration and concentration of the medium at normal temperature on the dynamic control process of crack propagation is also discussed.
当此类拱桥出现面内稳定控制设计时,横向风载的作用对拱桥的稳定系数和极限承载力影响较小。
When the in-plane stability of such arch is in control of the bridge design, Transverse wind load has a little influence on the stability factor and ultimate load carrying capacity.
根据破裂模型和拉深变形力,导出了破裂极限预报与控制判据。
On the basis of the fracture model and the deep drawing deformation force. The fracture limit prediction and control criterion is calculated.
本文提出了一种基于模糊控制的某型飞机极限状态限制器的设计方法。
A new kind of design method of limiter in extreme states for certain aircraft based on fuzzy logic control is presented in this paper.
利用概率极限理论,证明了闭环系统的几乎必然一致稳定性和控制律的渐近最优性。
By the limit probability theory, it is shown that the closed-loop system is almost surely uniformly stable, and the control law is asymptotically optimal.
得到的最优控制律由解析的线性前馈-反馈项和伴随向量序列极限形式的非线性补偿项组成。
The obtained optimal control law consists of analytical linear feedforward and feedback terms and a nonlinear compensation term which is the limit of the adjoint vector sequence.
对于低频扰动,当系统实现闭环控制后,像面上线扩散函数已接近衍射极限。
When the system close -loop controlling is realized for lower frequency perturbation, the approximate diffraction limited line spread function can again be achieved on the image plane.
提出了描述防喘振极限流量的流量方程,使得防喘振控制质量实现动态调整。
In this paper, a flow equation describing limited flow is set up for surging protection, it can be used to dynamically adjust the control of surging protection.
因此,中枢控制系统可以轻松检测到接近功率极限的操作。
Operation close to the power limits can therefore be easily detected by the central control system.
该系统可用于工业生产、控制装置或设备的极限信号报警,具有一定通用性。
This system is in common use and can be applied to the limit alarm of industrial production or control device.
最后,本文提出了无控制交叉口极限通行能力及实用通行能力的确定方法。
Finally, the method to determine actual capacity and limited capacity of a non-signalized intersection is presented.
汽车动力学稳定性控制(VDC)可以改善汽车在这些极限情况下的操纵性和稳定性。
The handling and the stability can be improved in limit cornering by using the VDC.
汽车动力学稳定性控制(VDC)可以改善汽车在这些极限情况下的操纵性和稳定性。
The handling and the stability can be improved in limit cornering by using the VDC.
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