Speed ​​train Locomotive Driver Jobs Fatigue And Occupational Stress

Object: To understand the physiology or mental fatigue and occupation strain condition of the trainman who undertake the mission to drive train of a nonstop passenger (160 km/h), to study the measure of diminish or eliminate the occupation harm, to provide the occupation hygiene and health protect for the reform of the working rule of trainman. At the same time, we select the special passenger train's trainman whose route and work regular are similar with the object as a comparison team.Contents and method: l.To test the indoor environment quantity of the cab: the testing item include the temperature, the relative humidity, the intensity of illumination, the wind velocity, CO, CO2, noise and vibrate. 2. To investigate of the trainman's fundamental situation and subjective feeling: investigate the fundamental situation before the train set off; investigate subjective feeling before the train set off and after the train arrive at the terminus. 3. To test the related fatigues index: use some method, such as critical flash to blend the frequency, the choice response, the figure mobility, the calculation of the work, numerical wide degree, trace target and so on. 4. Monitor the object from the beginning to the end: except monitor the dynamic ECG and dynamic BP, we made a detailed describe of the trainman's work situation. The evaluation index include: SDNN, rMSSD, LF HF and LF/HF.Consequence and analysis: 1. All kinds of environment quantity index of the locomotive of type SS9 and DF11G are measure up the national standard. 2. Based on the mental state of the trainman when set off, through prepare, drive, break and withdraw, their fatigue state gradually various according to the rule of increase, alleviate, aggravate, alleviate. But they cannot recover the mental state of they set off. The fatigue state of segmental trainman who drive the train leave Beijing to other place. There is no difference between the team of object and comparison. 3.The object's heart rate is higher than comparison team. The maximum heart rate is always exist at the stage of reorganization and withdraw. At any stage, all of the two team's SDNN are all lower than normal, among all time the first drive and break is lower than other stage. All of the two team's mean of rMSSD are higher than normal at any stage. The object's mean of LF/HF are higher than the comparison team. 4. As to the average value of 24h dynamic BP,...