universal-lab-report-writer

name	universal-lab-report-writer
description	Generates complete laboratory report structures for ANY university worldwide. Covers engineering, science, medical, and research labs. Provides full templates including aim, apparatus, theory, procedure, observations, calculations, results, discussion, and conclusions. Adapts to any university's lab report format requirements.

Universal Lab Report Writer

Overview

Generates structured, submission-ready lab reports for any course, any department, any university. Each report follows the target university's prescribed format and includes all standard sections with appropriate technical depth, diagrams, tables, and calculations.

How This Skill Works

1. User provides: Subject, experiment name/number, university and course, lab manual or experiment description, any specific format requirements
2. System identifies: The correct lab report template for the target university
3. System generates: Complete report with all sections filled with relevant content
4. System calibrates: Technical depth, notation, and format to match university standards

1. Lab Report Templates

Template A — Engineering Lab (Moore Method)

Used by: Most Indian engineering universities (SPPU, VTU, JNTU, Mumbai, AKTU, RGPV)

Section	Content	Length
Experiment No.	Sequential number	1 line
Title	Experiment name as in syllabus	1 line
Date	Date of performance	1 line
Aim	Concise statement of objective	1-2 lines
Apparatus	Equipment and components list with specifications	Table
Theory	Brief concept explanation, formulas, circuit/block diagram	1-2 pages
Procedure	Step-by-step experimental procedure	1 page
Observation Table	Tabulated readings with headings and units	1 page
Calculations	Sample calculations for one reading set	1-2 pages
Result	Final output/observation statement	1-2 lines
Conclusion	What was learned, inference from results	5-10 lines
Viva Questions	Common viva questions with answers	5-10 Q&A

Template B — Science Lab (Physics/Chemistry/Biology)

Section	Description
Aim	Objective statement
Apparatus / Materials	Equipment and chemicals list
Theory / Principle	Underlying scientific principle with relevant formulas
Setup Diagram	Labeled experimental setup
Procedure	Stepwise method
Observations	Raw data table
Calculations	Formula application with sample calculation
Result	Statement of findings
Precautions	Safety and accuracy measures
Sources of Error	Known error sources

Template C — Research Lab / Advanced

Section	Description
Abstract	Concise summary (150-250 words)
Introduction	Background, motivation, objectives
Methodology	Experimental design, materials, methods
Setup / Apparatus	Detailed description with schematics
Procedure	Step-by-step protocol
Results	Data presented in tables and graphs (no interpretation)
Discussion	Interpretation of results, comparison with theory, error analysis
Conclusion	Summary of findings and significance
References	Cited sources in proper format
Appendix	Raw data, calculations, additional figures

Template D — Medical / Clinical Lab

Section	Description
Patient/Subject Info	Anonymized demographics
Objective	Clinical question being investigated
Sample Description	Type, collection method, handling
Method / Protocol	Standard operating procedure followed
Observations	Clinical observations and measurements
Results	Test results with normal ranges
Interpretation	Clinical significance of results
Conclusion	Diagnosis or inference

Error Analysis & Uncertainty Propagation

Types of Errors

Error Type	Description	Example	Mitigation
Systematic	Consistent bias in one direction	Calibrated instrument reads 0.5 g too high	Calibration, correction factors
Random	Unpredictable fluctuations	Slight timing variations in manual stopwatch	Multiple readings, statistical averaging
Gross	Blunders or mistakes	Misreading scale, recording wrong value	Careful procedure, peer verification

Propagation of Uncertainty

For a function f(x, y, ...) with measured variables x, y, ... having uncertainties δx, δy, ...:

δf = √((∂f/∂x · δx)² + (∂f/∂y · δy)² + ...)

Common special cases:

Operation	Uncertainty Formula
f = x ± y	δf = √(δx² + δy²)
f = c·x (c constant)	δf = |c| · δx
f = x·y or f = x/y	δf/f = √((δx/x)² + (δy/y)²)
f = xⁿ	δf/f = |n| · δx/x

Percentage Error and Significant Figures

• Percentage error: (|measured - true| / true) × 100%
• Relative error: δx / x
• Significant figures rule: Result should have same number of decimal places as the least precise measurement
• Final uncertainty: Round to 1 significant figure; match result precision to uncertainty

Sample Calculation with Uncertainty

Measurement: Length l = 15.2 ± 0.1 cm, Width w = 8.5 ± 0.1 cm
Area A = l × w = 15.2 × 8.5 = 129.2 cm²

δA/A = √((δl/l)² + (δw/w)²) = √((0.1/15.2)² + (0.1/8.5)²)
     = √((0.00658)² + (0.01176)²)
     = √(0.0000433 + 0.0001383)
     = √0.0001816 = 0.01348

δA = A × (δA/A) = 129.2 × 0.01348 = 1.74 cm²

Result: A = 129.2 ± 1.7 cm²
Percentage uncertainty: (1.74/129.2) × 100% = 1.35%

2. Diagram Support

The system generates descriptions of diagrams that should be included:

• Circuit diagrams (engineering): Component symbols, connections, labels
• Block diagrams (systems): Functional blocks with data flow
• Graphs (data): Labeled axes with plotted data points
• Flowcharts (procedures): Step-by-step process visualization
• Schematic diagrams (equipment): Labeled parts and connections

Diagram descriptions are provided in text form suitable for drawing by the student or rendering as Mermaid.

3. Sample Lab Report Output

User: Generate lab report for "Full Wave Rectifier" experiment for SPPU SE E&TC.

Experiment No: 4
Title: Full Wave Rectifier
Date: [Date of performance]

Aim: To construct a full wave rectifier circuit using center-tapped transformer
     and bridge configuration, and to observe input/output waveforms.

Apparatus:
| Sr. No. | Component | Specification | Quantity |
|---------|-----------|---------------|----------|
| 1 | Step-down transformer | 230V/12V-0-12V, 500mA | 1 |
| 2 | Diodes | 1N4007 | 4 |
| 3 | Resistor | 1k ohm, 1/4W | 1 |
| 4 | Capacitor | 100 microF, 25V | 1 |
| 5 | CRO | Dual trace, 20MHz | 1 |
| 6 | Breadboard | - | 1 |
| 7 | Connecting wires | - | As required |

Theory:
A full wave rectifier converts both halves of the AC input cycle to DC output.
Two configurations are common: center-tapped transformer with 2 diodes and
bridge rectifier with 4 diodes. The bridge configuration does not require
a center-tapped transformer.

Average DC output voltage: Vdc = 2Vm / pi
Ripple factor (without filter): gamma = 0.48
Ripple factor (with capacitor filter): gamma = 1/(4*sqrt(3)*f*R*C)

... (full report continues)

Session Config

This skill integrates with the session config system (deps/session-profile.json). Before executing, check for an existing session profile:

• If deps/session-profile.json exists, read university, subject, pattern, and exam_type fields to auto-configure the skill.
• If the file does not exist, fall back to user-provided context or prompt the user to run setup-exam-prompt (or npm run init) first.
• Session config eliminates redundant context detection — detection happens once and is reused across all skill calls.

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Error Handling

Situation	Action
Experiment description insufficient	Respond: "Please provide the experiment name/number, aim, and any available lab manual or procedure description."
University format not recognized	Fall back to Template A (Engineering Lab - Moore Method) and note the assumption
Calculation data missing	Flag missing observations; request raw data before proceeding with calculations
Unit mismatch in measurements	Auto-detect and convert to consistent unit system; flag conversion in notes
Template field mapping failure	Log unrecognized fields and map to nearest standard section

Quality Gate — Check Before Output

• All standard sections (Aim, Apparatus, Theory, Procedure, Observations, Calculations, Result, Conclusion) are present
• Calculations show at least one sample calculation with correct significant figures
• Error analysis included for any experiment involving measurements
• Units are consistently used and correctly formatted
• Diagrams described where applicable (circuit, setup, graph, or flowchart)
• Viva questions section includes at least 5 questions with answers

4. Integration with Other Skills

Skill	Integration
universal-session-config	Reads university/subject/pattern from session profile
universal-a-plus-answer-writer	Provides extended theoretical explanations for the theory section
universal-viva-oral-exam-prep	Generates viva questions and answers for the viva section
universal-formula-sheet-generator	Derives and formats formulas for the calculations section
universal-pyq-analyzer	Supplies commonly asked viva questions from past exams