系统宕机、高开发成本、不可控的生产环境以及满脸怒色的客户。
down systems, high development costs, unmanageable production environments and unhappy customers.
得到的结果表明，含有线性或三次参数激励的系统存在不可控区域，在该区域中异宿轨分岔总是导致混沌发生。
The results obtained here show that there exist uncontrollable regions in which chaos always takes place via heteroclinic bifurcation for the system with linear or cubic parametric excitation.
该文首先通过将随机的、不可控的需求控制问题转化为安全库存设置问题的方法，建立了库存系统的仿真模型。
A simulation model of inventory system is set up through turning the stochastic and uncontrolled demand control problem into the method of setting up safe inventory.
所得出的结果可以为控制器的最优参数的搜索提供一个可靠的搜索区间，并在此基础上给出了一个系统不可控的判定。
The result may provide reliable search cimits for optimum parameters of controller, and further presents a judgement on uncontrollable to a controller.
还能求出系统不可控时的规范表达式。该算法较原算法思路清晰、计算量小，并且容易在计算机上实现。
These algorithms can also perform the canonical forms in the systems are not controllable. It is a clear ways of thinking, less computing work and feasible to realize in computer.
针对系统负载扰动的随机不可控性，提出了负载扰动补偿控制方法。
For the uncontrollability and randomness of load vibration, the load vibration compensation control is proposed.
风力发电具有随机性、间歇性和不可控性的特点，大规模的风电并网会给电力系统的安全运行造成一定的影响。
The wind generation is a random, intermittent and uncontrollable energy source, the large-scale connection of wind farms with power grid has adverse effect on the safety of power system.
风力发电具有随机性、间歇性和不可控性的特点，大规模的风电并网会给电力系统的安全运行造成一定的影响。
The wind generation is a random, intermittent and uncontrollable energy source, the large-scale connection of wind farms with power grid has adverse effect on the safety of power system.
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