1. Design a test to validate the operational requirement – The tractor shall operate continuously for 3 hours. 2. Design a test to verify the developmental requirement – The tractor shall sense obstacles too large to mow over, automatically shutting down.

QUESTION

Ch 13 Integration & Evaluation

this is not programming or any thing like that i just need you to give me an answer similar the answer in between parentheses

Please answer the question below:

Earlier we discussed requirements for a new lawn tractor. Two of your requirements that represent operational requirements and developmental requirements are below.

1. Design a test to validate the operational requirement – The tractor shall operate continuously for 3 hours.

2. Design a test to verify the developmental requirement – The tractor shall sense obstacles too large to mow over, automatically shutting down.

Remember, validation tests would check to see that we ‘built the right thing’. And verification tests would check to see that we ‘built it right’.

I want a replay for the discussion post below :

((((Testing an engine should have several sensors , data acquisition features and actuators to control the engine state. To validate the engine for how long can run, first , we have to take in consideration some physical variables which can be measure via sensors. The physical variables include: crankshaft torque and angular velocity, intake air and fuel consumption rates, temperatures and gas pressures at several locations on the engine body such as engine oil temperature. Then we run the engine, we collect the data. Therefore. We can Figure out for how long does it run in steady performance.

To verify the sensor if it is working as it supposed, we have to test it in the field. We test the prototype in the field with large obstacles. We will see if works properly. ))))

Use this book only and i have the power point lecture recorded let me know if you need it.

go to the last 10 minutes of the recording you will hear what the professor want exactly. this is not programming just write discussion

https://zoom.us/rec/share/55RYKbLwynFJfK_c83DES7Ae…

A. Kossiakoff W. Sweet, S. Seymour, and S. Biemer. Systems Engineering Principles and Practice, Second Edition, Wiley, 2011. ISBN: 978-0-470-40548-2

Please note i want answer to the question and i want a replay to the discussion post between parenthesis above

separate the answer and the replay from each other .

ANSWER

Integration and Evaluation in Systems Development: Meeting Operational and Developmental Requirements for a Lawn Tractor

Introduction

Integration and evaluation are essential stages in systems development, ensuring that complex systems meet their intended requirements and function effectively. In the context of developing a new lawn tractor, this essay discusses the design of validation and verification tests for two key requirements: operational and developmental. By addressing these requirements through rigorous testing and assessment, manufacturers can ensure that the lawn tractor operates continuously for 3 hours and senses and responds to obstacles too large to mow over.

Validating Operational Requirements through Testing

The first requirement focuses on validating the operational aspect of the lawn tractor, specifically its ability to operate continuously for 3 hours. To design a suitable validation test, an understanding of relevant physical variables is necessary. By employing sensors to measure variables such as crankshaft torque, angular velocity, intake air and fuel consumption rates, and temperatures and gas pressures at different engine locations, it becomes possible to collect essential data during tractor operation (Nataraj et al., 2021). This data aids in determining how long the tractor can perform consistently, thereby validating its operational requirement.

Verifying Developmental Requirements via Field Testing

The second requirement aims to verify the developmental aspect of the lawn tractor, particularly its ability to sense and respond to obstacles too large to mow over. This verification test necessitates the deployment of a prototype tractor in the field, where it can encounter real-world obstacles (Patterson et al., 2019). By observing the tractor’s behavior when faced with large obstacles, manufacturers can assess whether the sensing mechanism operates as intended. If the tractor automatically shuts down upon detecting such obstacles, it indicates successful fulfillment of the developmental requirement.

Integration and Evaluation for Effective System Development

Integration and evaluation processes play a critical role in systems development, ensuring that the final product meets its intended functionalities and performs effectively. By conducting validation and verification tests, manufacturers assess both the operational and developmental requirements of the lawn tractor (Ali, 2020). Validation tests help answer whether the right system has been built by evaluating operational aspects such as continuous operation for 3 hours. On the other hand, verification tests ensure that the system has been built correctly by testing developmental aspects like obstacle sensing and response. By combining these testing approaches, manufacturers can optimize the performance and functionality of the lawn tractor.

Conclusion

Integration and evaluation are vital stages in systems development, ensuring that operational and developmental requirements are met effectively. For the new lawn tractor, validation tests validate its ability to operate continuously for 3 hours by measuring essential physical variables. Verification tests, on the other hand, verify the tractor’s capability to sense and respond to obstacles too large to mow over through field testing. By employing rigorous testing and assessment, manufacturers can optimize the lawn tractor’s performance and fulfill its intended functionalities.

References

Ali, S. (2020). Troubleshooting and Repairing Diesel Engines. Uobaghdad. https://www.academia.edu/42742250/Troubleshooting_and_Repairing_Diesel_Engines 

Nataraj, E., Sarkar, P. K., Raheman, H., & Upadhyay, G. (2021). Embedded digital display and warning system of velocity ratio and wheel slip for tractor operated active tillage implements. Journal of Terramechanics, 97, 35–43. https://doi.org/10.1016/j.jterra.2021.06.003 

Patterson, A. E., Yuan, Y., & Norris, W. P. (2019). Development of User-Integrated Semi-Autonomous Lawn Mowing Systems: A Systems Engineering Perspective and Proposed Architecture. AgriEngineering, 1(3), 453–474. https://doi.org/10.3390/agriengineering1030033