应急工 meaning in English

contingent workers

Aim at overcoming the disadvantages of conventional pid control algorithm , which adopts fixed - parameters , author introduces a variable parameters pid speed regulator which gives much improvement on anti - disturbance . this control system has fast respondence when increasing or decreasing speed at emergency work conditions
针对常规pi算法控制参数固定的缺点，笔者采用了一种变参数pid调速器，使柴油主机调速系统抗干扰性有较大改善，在应急工况下系统对于加、减速车令具有快速响应性。