Train Operation Monitoring (LKJ) System
Brief Introduction/Functions The train operation monitoring (LKJ) system is a train speed control system independently developed in China, mainly used for main line railway locomotives and EMUs, intercity EMUs, etc. The system is composed of monitoring hosts, human-machine interaction units, and other equipment. It adopts onboard data, safety control, human-machine interaction and other technologies, and has functions such as giving signals to prevent overrunning, overspeed, and assisting driver to improve control ability. The train operation monitoring (LKJ) system is an important component of Chinese Train Control System (CTCS). Product Parameters/Key Technologies System safety level: SIL4Mean time between failures: 1.78 × 106System availability: 99.99%Comprehensive speed measurement error: ≤ ± 1%Mode of data-based train control: Onboard pre-storage + transponder provided Application Ccases It has been applied to all locomotives and some EMUs in whole railway system, and LKJ-15 has been used in batches in China Railway Kunming Group, Guangzhou Group, Nanning Group, Taiyuan Group, etc. |