Mechanical engineering trainees of the twenty-first century should be prepared to work with a wide variety of disruptive technological systems in terms of both installation and maintenance to meet the demands of industry (Civriz & Öz, 2022). A mechanical engineering laboratory gives your students hands-on experience with real-world applications of mechanical and fluid power systems, electrical and electronic systems, materials processing, sensors, and controls. To better prepare your students for certification or apprenticeship programs, you can combine hands-on, skills-based assignments, problem-solving, and fault-finding activities with an interactive curriculum and a learning management system. Students in mechanical engineering in the twenty-first century need access to a comprehensive set of digital learning content, supported by real-world trainers, to master fundamental disciplines in the field. Students can acquire practical, technologically-advanced skills for high-demand occupations and move toward the professional world of work (K.-Y. Lin et al., 2022).
Figure 2.1 Disruptive Technology in the Classroom
Scan Tools for Automobile Workshop Training
The term "on-board diagnostics" refers to a vehicle computer's capacity to examine how its circuits are operating and to produce data indicating any abnormalities (Rajaguru et al., 2022). This self-test function is present in all brand- new vehicles and light trucks. Automobile students must learn how to use this essential diagnostic tool. With today's on-board diagnostics, virtually every
electrical and electronic component in every significant car system will be examined for functionality(Malinovsky, 2022). The engine control module of a car can identify issues with the air-fuel mixture and engine misfiring. It keeps an eye on how the fuel injectors, ignition coils, fuel pump, emission parts, and other significant parts that influence the performance and emissions control of the vehicle are operating.
According Oluwaseyi & Sunday 2020, On-Board Diagnostics, version II, (OBD II) which is a standardized of the automobile world diagnosis, can be used to define an automotive scan instrument. Most current fuel-injected automobiles and trucks have one or more computers controlling the fuel injection system, ignition system, and automatic transmission. These monitoring devices use sensors to gather information from the car's various systems, including the engine (Reke et al., 2020). To ignite the cylinders, the computers issue instructions to the fuel injectors and ignition coils. In order to achieve good power, economy, and low emissions, they use the data to fine-tune the combustion process by adding the optimal amount of gasoline and the optimal time of the ignition.
Throttle position, engine speed, air and coolant temperature, crankshaft and camshaft position, and road speed are only some of the variables that can be detected by the dozens of sensors installed. There are a lot of built-in safeguards in this high-tech, high-speed system to ensure that your car continues to function as it should for years to come. Since this computer technology automatically adjusts the fuel mixture and ignition with each rotation of the crankshaft, tune-ups are becoming increasingly unnecessary. In comparison to decades before, when annual tune-ups required a trip to the garage with the family bus, this is a huge improvement. This is true... until there is a fault. The Check Engine light on the dashboard is often the first warning sign of trouble in the engine compartment. This indicator is designated as a malfunction indicator lamp (MIL) by the OBD II standard (H. M. Song & Kim, 2020). The diagnostic fault codes, readiness monitor status, and live engine data shown in Figure 1 can now be read, erased, and inspected and driven tested for efficiency.
Figure 2.2 Scan Tools for Automobile Workshop Training
Scan tools are activated when connected to the on-board diagnostics (OBD II) port found under the dashboard. Do not start the engine; just turn the key on. The vehicle identification number (VIN), vehicle model, and engine type will all be required by the tool. Do exactly what it instructs on the screen. A trouble-code- checking option, among a few others, will be made available to technicians. In- screen text explanations of the code are provided by certain advanced scanning programs. The meanings of the codes are explained in a paper booklet or on a CD- ROM with some services. Finding a trouble-code list on a site dedicated to your specific car is your best chance, as the site's other content may prove considerably more useful than simply the code itself. Make sure you record these values before resetting the MIL light.
Wang et al., 2022 opined that,one common location for OBD II connectors is under the dashboard on the driver's side. Let the device initialize by turning the key, then enter the Vehicle Identification Number (VIN), manufacturer, model, and engine type as shown in Figure 2. In addition, the current technological vehicle uses optical fiber for all of its communications. All of the car's systems are networked, meaning data can be sent and received quickly and accurately. Students majoring in the automotive sector should be exposed to and trained on cutting-edge technologies in order to gain the 21st-century skills necessary to succeed in the industry (Ramamuruthy et al., 2021).
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