CDR Sample

a) Introduction
CE1.1 The narration of the first career episode is on the project ‘An intelligent Lighting System for Exhibition Applications’. I worked on this project for xxxx months from bc 2007 to cncb 2010. The successful execution of the project was imperative for completing my Bachelor’s in Technology in Electronics and Communication from Jawaharlal Nehru Technological University, Hyderabad, Telangana, India. The project was located on the college campus, with appropriate project labs. I worked on the project in a team of two.

b) Background
CE1.2 Jawaharlal Nehru Technological University (JNTU) has an ‘A’ grade accreditation by NAAC (National Assessment and Accreditation Council). The university provides excellence in engineering education in several branches. It is a teaching cum research oriented university consisting of the constituent and affiliated colleges. Among the 25 major engineering branches offered by the college are Aeronautical Engineering, Information Technology, Automobile, Electronics, Biotechnology, Instrumentation & Control, Electrical, Mechanical, Metallurgy, Civil, Bio-Medical, and many more.

CE1.3 The project aimed to design a smart lighting system. The proposed lighting system would be energy-efficient and operate autonomously. From previous details, I found it tough to control energy waste when a large number of lights were used in a building. I reviewed the current smart lighting technologies available in the market, along with their product features and advantages. I also researched implementing the components in the smart lighting system design projects.

CE1.4 I studied Modular Intelligent Control System (MICS), different sensors, and lighting control technology to understand and then execute the project successfully. I observed that the embedded system was among the fast growing technology in modern times. It was used in home appliances, industrial automation, aeronautics, and automobiles. It uses a controller or PC to execute a specified task, and embedded C or assembly language is used for programming.

CE1.5 The project execution was complicated, and I performed several different responsibilities for this:
– Searching different sources of information to collect the required details for the project.
– Planning of the project in accordance with the project requirements.
– Designing the block diagram of the proposed system.
– Preparing essential project reports and other associated documents of the project.
– Analyzing the outcomes of the project by considering all the earlier research works.

CE1.6 I started my work by collecting the details from the analysis of the concerned literature. I found that the smart system operated autonomously, detecting environmental changes using sensors. To achieve the optimal result, the system operated continuously. I visited the university’s library and read newspapers for the latest articles and journals. I also scrolled the internet to get more details on the topic.

CE1.7 I found an example in the exhibition hall and found that there were some zones in the hall. I found that Zone 1 was the group of lighting for the exhibition area, while the other zones (Zone 2 to Zone 4) were the groups of lighting for the student area. I started identifying potential problems that could occur at the exhibition. I prepared three different cases for resolving the problem.

CE1.8 In case 1, I observed that whenever the exhibition hall was unoccupied, the lighting in the exhibition hall was still turned ON. In case 2 of the example, when a small group of students occupied the class, all the lights in zones 1 to 4 remained ON. Lastly, in case 3, the exhibition struggled whenever they switched their teaching mode. This was because a dissimilar teaching mode needs a different lighting environment.

CE1.9 For the resolution of the issues, I built an energy-saving smart lighting system with integrated sensors and controllers. Additionally, I designed a smart lighting system with a modular architecture, enabling scalability and expandability. Also, I designed a smart lighting system that is compatible and scalable with other commercial products and automation systems, which might include more than just lighting systems. I built the MICS in separate modules and categorized them into two types: input modules and light modules.

CE1.10 I used a microcontroller, a crystal oscillator, a power supply, a transformer, and a light-dependent resistor in the project. I developed a smart lamp monitoring system to assess the health of street lamps and forward the results to the control station. I prepared the simplified block diagram of the complete smart lamp monitoring system. I used a light-dependent resistor module, a transmission module, and a microcontroller module inside the lamp module. The lamp module would communicate with the control center wirelessly using XBee.

CE1.11 I installed one of the LDRs on top of the street lamp to check the day/night status. I placed another LDR under the street lamp to monitor its health. I sent the LDR results to the microcontroller to process and send the data to the transmission module. I used the Xbeeto wireless module to transmit data to the control center via the transmission module. In the control center, it would monitor each street lamp’s status and control its operation.

CE1.12 I designed a solution prototype for the lecture hall that controlled both the lighting and HVAC systems. In addition, both systems were well integrated. On the surface of the illustrated lecture classroom, there were four 15W incandescent lights, each representing one zone of the lecture hall. In zone 1 of the lecture hall area, there were three LED lights and one RFID reader. The three LED lights represented the signal lights of the computer, projector, and OHP. Turning on any lights for this would represent the current usage of the respective equipment.

CE1.13 The multi sensor installed on another enclosure, where the enclosure contained another incandescent bulb. This incandescent bulb controlled the ambient lights inside the enclosure by turning ON/OFF. The top of the enclosure was open to serve as the source of light for the inner lights. It also served the purpose to detect the present of a human’s hand. I always followed academic honesty and integrity in publishing my own original work.

CE1.14 I actively participated in documenting the project. I produced a mid-project progress report that emphasized my literature review, preliminary findings from the experiment, and the planned work schedule in a Gantt chart. I submitted the report to the school faculty and received positive feedback on it. As a concluding step, I prepared a PowerPoint presentation in English to present all my work in a thesis seminar to other academic staff and students. My thesis was also assessed by two academic staff members and received a distinction grading.

CE1.15 I always ensured team coordination and avoided any conflicts within the team. I always followed the professional code of ethics and ensured that no environmental harm could be caused by my work or project materials. I always practiced the code of academic and university ethics in my thesis project.

CE1.16 The project was very significant for my engineering course, and it required a comprehensive demonstration of managerial, technical, and professional skills in planning, executing, and reporting on an approved engineering project within a stipulated time. I enhanced my project management expertise and sharpened my research skills. I learnt methods of data collection and synthesis of vital technical details from all resources to produce novel designs in the project. I also had the opportunity to become acquainted with professional-standard technical documents. I improved my communication and coordination skills. It was a great opportunity, and I would use these skills in my future projects.

Note: All your career episodes will be in the same format as the first episodes shown above.

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