Technological systems require regular railway maintenance to ensure that they live up to the strictest safety and performance requirements. Train maintenance is generally performed in regular intervals by specifically trained personnel to ensure a long service life and to keep component wear and tear to a minimum. Visual Inspections are usually carried out by qualified technicians. But people can make mistakes.
PSI Technics offers sophisticated and fully customizable camera solutions that complement or even replace visual and manual tests and inspections.
PSI Technics' industrial image processing solutions use camera technology and laser sensors. They are ideal for automated maintenance workflows, guarantee a safe operation and maximum performance. They significantly increase the inspection quality while drastically reducing maintenance intervals.
VIDEO: Industrial Image Processing for Railway Transport and Logistics
The system's automated camera technology optimizes the rolling stock maintenance workflow on an ongoing basis. Visual inspections can be carried out on a regular basis and in significantly less time. During the planning stage, the feasibility of the inspection project is assessed on-site, where processes, workflows and requirements are identified. Specific test components are selected and appropriate diagnostic methods for the railway components are determined before the system is installed and commissioned.
Inspection modules for a variety of inspection and measurement tasks are available. Dirt accumulations on the train do not affect automated the automated inspection.
Examples for recorded potential damages or defects:
WEARING STRIP INSPECTION
Typically, the roof of a multiple-unit train (MU) is inspected by specially trained and certified personnel. Prior to performing the inspection, the train and the overhead line have to be grounded to avoid any high-voltage safety hazards. Due to the number of required safety steps, the grounding process is time-consuming and the maintenance personnel has to cover long distances.
To reduce the required inspection time and enhance the inspection quality, we developed an automated inspection process. The automated camera-based system provides detailed visuals and requires no previous grounding. Automated inspections considerably increase rail traffic safety by assessing the current condition of the train without disrupting regular operation.
That is why PSI Technics developed the automated train inspection – an automated, camera-based system that greatly facilitates the visual inspection and condition-based maintenance of any train.
The Inspect software module records damages of any train that passes the system, for example, when the train enters a depot or drives through a dedicated "inspection tunnel". The recorded data is send directly to the Analytics diagnostic software. If any issues are found, the maintenance staff automatically receives corresponding error messages. Even damages that occur while the train is moving are recorded and don't become maintenance risks.
The Analytics software module uses taught-in templates to automatically check predefined test components for defects or damages. This technology can be used to inspect and analyze components of any kind.
MOBILE INSPECTION ROBOT
Our mobile inspection robot collects images and data in locations that cannot be covered by a stationary sensor portal.
It uses complex motion sequences to record images and data of difficult-to-access train components – the inspection of wheel truck brake linings is a good example.
Typically, the robot works alongside service personnel during train inspection. To ensure a safe human-machine cooperation, our system permanently monitors the robot's work space, placing particular emphasis on applicable standards and directives for collaborative and cooperative robotics. In addition to traditional scanners for automated guided vehicles (AGV), our solution also includes a safety-scanning feature at the robot's end-of-arm tooling to ensure that no people or obstructive contours are in the robot's range of motion.
Apart from vision sensors, the end-of-arm tooling system can include a variety of different sensors that are best suited for collecting the required data. All recorded data are transmitted to a central data analysis unit where they are analyzed using artificial intelligence.
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Image Source: PSI Technics, Inodo, Optikon, AdobeStock
Links>Digital Showroom >Application Reports >Videos >Automated Train Inspection – Analyze >Automated Train Inspection – Optimize >Automated Train Inspection – The Inspection Tunnel >Industrial Image Processing - Applications >Industrial Image Processing - Industries >Industrial Image Processing - Systems & Solutions >Industrial Image Processing - Service & Support
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