1, judge to find the grounding of the locomotive owner's circuit.
2. Analysis and treatment of locomotive without flow and pressure
3. Cause analysis and prevention of locomotive wheel wear
4. Application of exciter in diesel locomotive.
5. Cause analysis of diesel engine runaway.
6. Analysis and treatment of sudden stop in locomotive operation
7. Improvement of braking system of JZ7 locomotive.
8. Application of EFI system in diesel engine
9. Problems existing in the air filtration system of Dongfeng 4B diesel locomotive and its improvement.
10, improvement of engine rim injector
1 1, problems existing in the operation of combined regulator and their improvement.
12, Analysis of Constant Power Regulation of Asynchronous Traction Motor
Analysis and treatment of common problems in 13 and LKJ—2000 monitoring devices
AC Research on Auxiliary Transmission System of 14 and DF4B Diesel Locomotive
15, measures to improve the utilization rate of locomotive attached weight
Fault analysis and countermeasures of bearing bush rolling of 16 and Dongfeng 4B diesel locomotives
17, Causes analysis and preventive measures of common faults of supercharger
18, locomotive driving safety
24, railway diesel locomotive repair system research.
25, diesel locomotive body damage form analysis
26, diesel locomotive cylinder piston parts damage analysis
27, diesel locomotive maintenance system development and research.
28, diesel locomotive energy saving research
29, diesel locomotive local condition maintenance research.
30. Research on reducing the operating cost of diesel locomotives.
3 1, plane layout design of locomotive depot
33, diesel locomotive maintenance research
34, locomotive braking system research
35. Fault analysis and countermeasures for low oil pressure of DF4 locomotive.
43. Discussion on calculation method of heavy-haul train braking.
45, freight diesel locomotive routing adjustment.
46, diesel locomotive diesel engine operation fault analysis and treatment method research.
47, diesel locomotive diesel engine connecting rod nondestructive testing technology research.
48, locomotive diesel engine fault diagnosis trend analysis method.
49. Ergonomic analysis of locomotive cab
50, the application of computer in diesel locomotive.
5 1, Fault Diagnosis of Locomotive Bearing
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