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# ROBOT TUNING SYSTEM - COMPLETE ARCHITECTURE DOCUMENT
**Version:** 1.0
**Date:** 2026-01-26
**Target Platform:** .NET 10 + Blazor
**Robot Type:** Differential Drive Mobile Robot
---
## TABLE OF CONTENTS
1. [Executive Summary](#1-executive-summary)
2. [System Context](#2-system-context)
3. [Requirements](#3-requirements)
4. [Architecture Overview](#4-architecture-overview)
5. [Layer 1: Presentation (Blazor Dashboard)](#5-layer-1-presentation)
6. [Layer 2: Application Services](#6-layer-2-application-services)
7. [Layer 3: Domain Logic](#7-layer-3-domain-logic)
8. [Layer 4: Robot Control](#8-layer-4-robot-control)
9. [Layer 5: Hardware Abstraction](#9-layer-5-hardware-abstraction)
10. [Data Models](#10-data-models)
11. [Database Schema](#11-database-schema)
12. [Control Flow & Data Flow](#12-control-flow-data-flow)
13. [Configuration Management](#13-configuration-management)
14. [Tuning Workflows](#14-tuning-workflows)
15. [Technology Stack](#15-technology-stack)
16. [Deployment Architecture](#16-deployment-architecture)
17. [Implementation Phases](#17-implementation-phases)
18. [API Specifications](#18-api-specifications)
19. [Performance Requirements](#19-performance-requirements)
20. [Security & Safety](#20-security-safety)
21. [Testing Strategy](#21-testing-strategy)
22. [Appendices](#22-appendices)
---
## 1. EXECUTIVE SUMMARY
### 1.1. Purpose
This document defines the complete architecture for a **Robot Tuning System** designed to optimize control parameters for differential drive mobile robots. The system enables:
- Interactive parameter tuning via web dashboard
- Automated test execution and performance evaluation
- Comparative analysis of parameter configurations
- Historical tracking and reporting
### 1.2. System Goals
**Primary Goal:** Find optimal parameter sets for PID velocity control, Pure Pursuit path tracking, and Velocity Estimator that minimize tracking error while maintaining smooth motion.
**Secondary Goals:**
- Reduce tuning time from days to hours
- Enable reproducible, data-driven parameter selection
- Support multiple test scenarios (straight lines, circles, complex paths)
- Provide intuitive visualization and analysis tools
### 1.3. Key Stakeholders
- **Robot Developers:** Configure and tune robot behavior
- **Test Engineers:** Run validation tests and generate reports
- **AI Systems:** Process and analyze this architecture document
### 1.4. Success Metrics
- **Tracking Accuracy:** Cross-track error RMS < 10cm
- **Smoothness:** Max jerk < 5 m/s³
- **Efficiency:** Path length ratio < 1.15
- **Tuning Speed:** Find acceptable parameters within 2 hours
- **Reproducibility:** Result variance < 5% across runs
---
## 2. SYSTEM CONTEXT
### 2.1. Robot Overview
**Robot Type:** Differential Drive Mobile Robot
**Physical Characteristics:**
- Wheelbase: 0.35m (distance between left/right wheels)
- Wheel radius: 0.075m
- Mass: ~25kg
- Max linear velocity: 1.5 m/s
- Max angular velocity: 6 rad/s
- Max linear acceleration: 1.0 m/s²
- Max angular acceleration: 1.0 rad/s²
**Operating Environment:**
- Indoor spaces (smooth floors)
- Test area: 10m × 20m
- No dynamic obstacles during tuning
### 2.2. Control System Architecture
The robot uses a **hierarchical control structure**:
```
Goal Position
↓
[Distance-based PID] → Linear Velocity (v_max)
↓
[Velocity Estimator] → Estimated Velocity (v_hybrid)
↓ ↓
└───────→ [Pure Pursuit] ←─┘
↓
Angular Velocity (ω)
↓
[Combine (v_max, ω)] → (v_cmd, ω_cmd)
↓
[Differential Kinematics] → (wheel_left, wheel_right)
↓
Motor Commands
```
**Controller Descriptions:**
1. **Distance-based PID Controller:**
- **Input:** Distance to goal (error = distance_to_goal)
- **Output:** Maximum linear velocity (v_max)
- **Logic:**
- If distance > 5m: return max velocity (1.5 m/s)
- If distance ≤ 5m: PID control
- If velocity < min velocity: return min velocity
- **Parameters to tune:** Kp, Ki, Kd
2. **Velocity Estimator:**
- **Purpose:** Combine encoder measurements with kinematic model for accurate velocity estimation
- **Method:** Adaptive blending based on tracking quality
- **Model:** First-order system response
```
v_predicted = v_actual + (v_cmd - v_actual) × (1 - e^(-t_eff/τ))
where t_eff = t_ahead - delay
```
- **Blending:**
```
v_hybrid = blend_ratio × v_model + (1 - blend_ratio) × v_encoder
```
- **Adaptive Logic:**
- Good tracking (error < 12%): blend_ratio = 0.3 (trust encoder 70%)
- Moderate tracking (error < 30%): blend_ratio = 0.5
- Poor tracking (error ≥ 30%): blend_ratio = 0.7 (trust model 70%)
- **Parameters to tune:** AlphaFilter, blend ratios, confidence decay rate
3. **Pure Pursuit Controller:**
- **Input:** Current position, v_hybrid, reference path
- **Output:** Angular velocity (ω)
- **Lookahead calculation:**
```
lookahead = clamp(
LookaheadMin + Kdd × |v_hybrid|,
LookaheadMin,
LookaheadMax
)
lookahead *= confidence // Reduce if estimator confidence is low
```
- **Parameters to tune:** Kdd, LookaheadMin, LookaheadMax
### 2.3. Tuning Challenges
**Current State:**
- Manual tuning takes days per robot
- No systematic approach to parameter selection
- Difficult to validate performance across scenarios
- Parameters tuned for one trajectory may fail on others
**Desired State:**
- Semi-automated tuning process
- Data-driven parameter optimization
- Cross-scenario validation
- Reproducible results with confidence metrics
---
## 3. REQUIREMENTS
### 3.1. Functional Requirements
**FR-1: Test Execution**
- FR-1.1: System shall execute single test runs with specified parameters
- FR-1.2: System shall execute batch tests across multiple configurations
- FR-1.3: System shall support at least 3 trajectory types: straight line, large circle (2m radius), small circle (0.5m radius)
- FR-1.4: System shall log all telemetry data at 50Hz during test execution
- FR-1.5: System shall detect and abort tests on safety violations
**FR-2: Parameter Management**
- FR-2.1: System shall allow users to configure all tunable parameters via UI
- FR-2.2: System shall validate parameters against physical constraints
- FR-2.3: System shall save/load parameter configurations with versioning
- FR-2.4: System shall support parameter presets (default, aggressive, smooth)
**FR-3: Metrics & Analysis**
- FR-3.1: System shall calculate tracking accuracy metrics (CTE RMS, heading error)
- FR-3.2: System shall calculate smoothness metrics (jerk, velocity variance)
- FR-3.3: System shall calculate efficiency metrics (path length ratio, time)
- FR-3.4: System shall compute overall score based on weighted metrics
- FR-3.5: System shall compare multiple configurations side-by-side
**FR-4: Visualization**
- FR-4.1: System shall display real-time 2D trajectory during test execution
- FR-4.2: System shall stream live telemetry charts (velocity, CTE, etc.)
- FR-4.3: System shall visualize post-test analysis with interactive charts
- FR-4.4: System shall support trajectory replay from logged data
**FR-5: Reporting**
- FR-5.1: System shall export test results to CSV format
- FR-5.2: System shall generate HTML summary reports
- FR-5.3: System shall maintain test history in database
**FR-6: Safety**
- FR-6.1: System shall monitor cross-track error continuously
- FR-6.2: System shall trigger emergency stop if CTE > 0.5m
- FR-6.3: System shall trigger emergency stop if heading error > 45°
- FR-6.4: System shall log all safety violations with timestamps
### 3.2. Non-Functional Requirements
**NFR-1: Performance**
- NFR-1.1: Control loop shall execute at 50Hz (±2ms jitter)
- NFR-1.2: UI updates shall occur at ≥10Hz with <200ms lag
- NFR-1.3: Data logging shall not impact control loop performance
- NFR-1.4: Test completion time shall be <2× trajectory duration
**NFR-2: Usability**
- NFR-2.1: Non-technical users shall be able to run basic tests
- NFR-2.2: Parameter controls shall provide immediate visual feedback
- NFR-2.3: Error messages shall be clear and actionable
- NFR-2.4: Dashboard shall be accessible via web browser
**NFR-3: Reliability**
- NFR-3.1: System shall recover from SignalR disconnections automatically
- NFR-3.2: Test data shall not be lost on application crash
- NFR-3.3: System shall handle encoder noise and wheel slip gracefully
**NFR-4: Maintainability**
- NFR-4.1: Code shall follow SOLID principles
- NFR-4.2: Each layer shall have clear interfaces and minimal coupling
- NFR-4.3: Unit test coverage shall be >80% for domain logic
**NFR-5: Scalability**
- NFR-5.1: System shall support multiple test scenarios (target: 10+)
- NFR-5.2: Database shall handle 1000+ test runs without degradation
- NFR-5.3: Architecture shall allow future addition of optimization algorithms
### 3.3. Acceptance Criteria
**Primary Metric (Tracking Accuracy):**
- Cross-track error RMS < 0.10m (10cm)
- Cross-track error peak < 0.20m (20cm)
- Heading error RMS < 10° (0.174 rad)
- Goal position error < 0.05m (5cm)
**Secondary Metric (Smoothness):**
- Max jerk < 5.0 m/s³
- Max angular jerk < 10.0 rad/s³
- Velocity standard deviation < 0.15 m/s
**Tertiary Metric (Efficiency):**
- Path length ratio < 1.15 (actual path < 115% of optimal)
- Success rate > 90% (9 out of 10 runs pass)
---
## 4. ARCHITECTURE OVERVIEW
### 4.1. Architectural Style
**Layered Architecture** with clean separation between presentation, application logic, domain logic, and infrastructure.
**Key Patterns:**
- **Repository Pattern:** Data access abstraction
- **Service Layer Pattern:** Application-level orchestration
- **Domain-Driven Design:** Rich domain models
- **CQRS (Light):** Separate read/write models for optimization
- **Event-Driven:** Real-time updates via SignalR
### 4.2. Layer Diagram
```
┌─────────────────────────────────────────────────────────────────────┐
│ LAYER 1: PRESENTATION │
│ ┌─────────────────────────────────────────────────────────────────┐ │
│ │ Blazor Dashboard (Web UI) │ │
│ │ - Real-time Monitoring Pages │ │
│ │ - Parameter Tuning Controls │ │
│ │ - Analysis & Visualization │ │
│ │ - Configuration Management │ │
│ └─────────────────────────────────────────────────────────────────┘ │
└───────────────────────────────┬─────────────────────────────────────┘
│ SignalR Hubs / REST API
▼
┌─────────────────────────────────────────────────────────────────────┐
│ LAYER 2: APPLICATION SERVICES │
│ ┌──────────────┐ ┌──────────────┐ ┌──────────────┐ │
│ │ Tuning │ │ Parameter │ │ Metric │ │
│ │ Orchestrator │ │ Manager │ │ Analyzer │ │
│ └──────────────┘ └──────────────┘ └──────────────┘ │
│ ┌──────────────┐ ┌──────────────┐ │
│ │ Report │ │ Event │ │
│ │ Generator │ │ Publisher │ │
│ └──────────────┘ └──────────────┘ │
└───────────────────────────────┬─────────────────────────────────────┘
│ Domain Interfaces
▼
┌─────────────────────────────────────────────────────────────────────┐
│ LAYER 3: DOMAIN LOGIC │
│ ┌──────────────┐ ┌──────────────┐ ┌──────────────┐ │
│ │ Test │ │ Trajectory │ │ Parameter │ │
│ │ Executor │ │ Generator │ │ Optimizer │ │
│ └──────────────┘ └──────────────┘ └──────────────┘ │
│ ┌──────────────┐ ┌──────────────┐ ┌──────────────┐ │
│ │ Metric │ │ Safety │ │ Scoring │ │
│ │ Calculator │ │ Monitor │ │ Engine │ │
│ └──────────────┘ └──────────────┘ └──────────────┘ │
└───────────────────────────────┬─────────────────────────────────────┘
│ Control Interfaces
▼
┌─────────────────────────────────────────────────────────────────────┐
│ LAYER 4: ROBOT CONTROL │
│ ┌──────────────┐ ┌──────────────┐ ┌──────────────┐ │
│ │ PID │ │ Velocity │ │ Pure │ │
│ │ Controller │ │ Estimator │ │ Pursuit │ │
│ └──────────────┘ └──────────────┘ └──────────────┘ │
│ ┌──────────────┐ ┌──────────────┐ │
│ │ Data │ │ State │ │
│ │ Logger │ │ Manager │ │
│ └──────────────┘ └──────────────┘ │
└───────────────────────────────┬─────────────────────────────────────┘
│ Hardware Interfaces
▼
┌─────────────────────────────────────────────────────────────────────┐
│ LAYER 5: HARDWARE ABSTRACTION │
│ ┌──────────────┐ ┌──────────────┐ ┌──────────────┐ │
│ │ Motor │ │ Encoder │ │ Robot │ │
│ │ Driver │ │ Reader │ │ State │ │
│ └──────────────┘ └──────────────┘ └──────────────┘ │
└───────────────────────────────┬─────────────────────────────────────┘
│
▼
[Physical Hardware]
- Motors
- Encoders
- Emergency Stop
```
### 4.3. Component Interactions
**Typical Test Execution Flow:**
```
User → UI → TuningOrchestrator → TestExecutor → Controllers → Hardware
↓ ↓ ↓
ParameterManager SafetyMonitor DataLogger
↓ ↓
[Abort?] [Database]
↓
UI ← SignalR ← EventPublisher ← MetricAnalyzer ← [Results]
```
### 4.4. Project Structure
```
RobotTuning.sln
├── src/
│ ├── RobotTuning.Domain/ # Layer 3: Domain Logic
│ │ ├── Models/ # Domain entities
│ │ ├── Services/ # Domain services
│ │ ├── Interfaces/ # Abstractions
│ │ └── ValueObjects/ # Value objects
│ │
│ ├── RobotTuning.Application/ # Layer 2: Application Services
│ │ ├── Services/ # Orchestrators, managers
│ │ ├── DTOs/ # Data transfer objects
│ │ ├── Interfaces/ # Service contracts
│ │ └── Mapping/ # AutoMapper profiles
│ │
│ ├── RobotTuning.Infrastructure/ # Layer 4 & 5: Control & Hardware
│ │ ├── Controllers/ # PID, Estimator, PurePursuit
│ │ ├── Hardware/ # Motor drivers, encoder readers
│ │ ├── Logging/ # Data logger implementation
│ │ ├── Persistence/ # Database context, repositories
│ │ └── Configuration/ # Config file handling
│ │
│ ├── RobotTuning.Web/ # Layer 1: Presentation
│ │ ├── Pages/ # Blazor pages
│ │ ├── Components/ # Reusable UI components
│ │ ├── Hubs/ # SignalR hubs
│ │ ├── wwwroot/ # Static files, JS libraries
│ │ └── Program.cs # Application entry point
│ │
│ └── RobotTuning.Shared/ # Shared utilities
│ ├── Constants/
│ ├── Extensions/
│ └── Helpers/
│
└── tests/
├── RobotTuning.Domain.Tests/
├── RobotTuning.Application.Tests/
└── RobotTuning.Integration.Tests/
```
---
## 5. LAYER 1: PRESENTATION
### 5.1. Page Structure
```
/Pages
├── Index.razor # Landing page
├── Dashboard/
│ ├── RealTimeMonitor.razor # Live test monitoring
│ │ ├── TrajectoryView.razor # 2D path visualization
│ │ ├── TelemetryPanel.razor # Live metrics
│ │ └── StatusIndicators.razor # State, warnings
│ └── LiveCharts.razor # Streaming charts
├── Tuning/
│ ├── ManualTuning.razor # Interactive parameter adjustment
│ │ ├── ParameterSliders.razor # PID, PP, Estimator controls
│ │ ├── QuickActions.razor # Run, Stop, Reset buttons
│ │ └── SuggestionPanel.razor # AI-powered suggestions
│ ├── AutoTuning.razor # Automated optimization
│ │ ├── OptimizationConfig.razor # Algorithm selection, constraints
│ │ └── ProgressView.razor # Optimization progress
│ └── ParameterComparison.razor # A/B testing
│ ├── ConfigSelector.razor # Select configs to compare
│ ├── ComparisonTable.razor # Side-by-side metrics
│ └── ComparisonCharts.razor # Visual comparison
├── Analysis/
│ ├── MetricsAnalysis.razor # Deep-dive metrics
│ │ ├── TrackingAccuracy.razor # CTE, heading analysis
│ │ ├── SmoothnessAnalysis.razor # Jerk, acceleration plots
│ │ └── EfficiencyAnalysis.razor # Path length, time metrics
│ ├── TrajectoryVisualization.razor # Post-test trajectory viewer
│ │ ├── PathOverlay.razor # Actual vs reference path
│ │ ├── ErrorHeatmap.razor # CTE along path
│ │ └── PlaybackControls.razor # Replay timeline
│ └── PerformanceReport.razor # Summary reports
│ ├── ScoreCard.razor # Overall scores
│ ├── MetricsSummary.razor # Key metrics table
│ └── ExportOptions.razor # PDF, CSV export
├── Configuration/
│ ├── TestScenarios.razor # Define test trajectories
│ │ ├── TrajectoryBuilder.razor # Visual trajectory editor
│ │ └── ScenarioLibrary.razor # Saved scenarios
│ ├── RobotSettings.razor # Physical parameters
│ │ ├── PhysicalParams.razor # Wheelbase, mass, etc.
│ │ └── TimingConfig.razor # Control loop frequency
│ └── AcceptanceCriteria.razor # Pass/fail thresholds
│ ├── MetricThresholds.razor # Set limits
│ └── WeightingConfig.razor # Metric weights for scoring
└── History/
├── TestHistory.razor # Historical test runs
│ ├── TestList.razor # Filterable list
│ ├── TestDetails.razor # Drill-down view
│ └── SearchAndFilter.razor # Date, config, trajectory filters
└── ParameterEvolution.razor # Parameter changes over time
├── EvolutionTimeline.razor # Visual timeline
└── ChangeLog.razor # Detailed change log
```
### 5.2. Key UI Components
#### 5.2.1. Real-Time Monitoring Panel
**Component:** `RealTimeMonitor.razor`
**Features:**
- **Trajectory View:** 2D canvas showing robot position, reference path, lookahead point
- **Telemetry Gauges:** Speed, angular velocity, CTE, heading error (updated 10Hz)
- **Progress Bar:** Distance completed / total distance
- **Status Indicators:** Running, Paused, Warning, Error states
- **Control Buttons:** Pause, Resume, Stop, Emergency Stop
**Data Binding:**
```csharp
@code {
[Inject] IHubConnection HubConnection { get; set; }
private RobotState currentState;
private List<Vector2> trajectoryHistory = new();
protected override async Task OnInitializedAsync()
{
HubConnection.On<RobotState>("ReceiveState", state =>
{
currentState = state;
trajectoryHistory.Add(state.Position);
StateHasChanged();
});
await HubConnection.StartAsync();
}
}
```
**SignalR Messages:**
- `ReceiveState`: Full robot state (50Hz → throttled to 10Hz)
- `ReceiveMetrics`: Current metrics (CTE, heading error, etc.)
- `ReceiveSafetyEvent`: Safety violations or warnings
- `ReceiveTestStatus`: Test lifecycle events (started, paused, completed, aborted)
#### 5.2.2. Parameter Tuning Panel
**Component:** `ParameterSliders.razor`
**Features:**
- **Grouped Sliders:** PID (Kp, Ki, Kd), Pure Pursuit (Kdd, lookahead), Estimator (alpha, blends)
- **Real-time Validation:** Show red border if value out of bounds
- **Value Input:** Slider + numeric input for precise control
- **Reset Button:** Revert to last saved or default values
- **Presets Dropdown:** Quick load (Conservative, Balanced, Aggressive)
**Example Markup:**
```razor
<MudCard>
<MudCardHeader>PID Controller</MudCardHeader>
<MudCardContent>
<MudSlider T="double"
@bind-Value="parameters.PID.Kp"
Min="@Bounds.KpRange.Min"
Max="@Bounds.KpRange.Max"
Step="0.1"
ValueLabel="true">
Kp: @parameters.PID.Kp.ToString("F2")
</MudSlider>
<MudTextField @bind-Value="parameters.PID.Kp"
Label="Kp (Precise)"
Variant="Variant.Outlined"
Validation="@ValidateKp" />
<!-- Repeat for Ki, Kd -->
</MudCardContent>
</MudCard>
```
#### 5.2.3. Metrics Dashboard
**Component:** `MetricsSummary.razor`
**Layout:**
```
┌─────────────────────────────────────────────────────────┐
│ TRACKING ACCURACY ⭐⭐⭐⭐☆ (92/100) │
├─────────────────────────────────────────────────────────┤
│ Cross-Track Error RMS 0.087m ✅ (< 0.10m) │
│ Cross-Track Error Peak 0.152m ✅ (< 0.20m) │
│ Heading Error RMS 8.3° ✅ (< 10°) │
│ Goal Position Error 0.042m ✅ (< 0.05m) │
├─────────────────────────────────────────────────────────┤
│ SMOOTHNESS ⭐⭐⭐⭐☆ (88/100) │
├─────────────────────────────────────────────────────────┤
│ Max Jerk 3.2 m/s³ ✅ (< 5.0) │
│ Velocity Std Dev 0.08 m/s ✅ │
│ Angular Jerk 6.1 r/s³ ✅ (< 10.0) │
├─────────────────────────────────────────────────────────┤
│ EFFICIENCY ⭐⭐⭐⭐☆ (85/100) │
├─────────────────────────────────────────────────────────┤
│ Path Length Ratio 1.08 ✅ (< 1.15) │
│ Completion Time 8.5s │
│ Average Speed 1.18 m/s │
└─────────────────────────────────────────────────────────┘
```
**Color Coding:**
- Green ✅: Metric passes acceptance criteria
- Yellow ⚠️: Metric close to threshold (within 10%)
- Red ❌: Metric fails acceptance criteria
#### 5.2.4. Trajectory Visualization
**Component:** `TrajectoryView.razor`
**Canvas Rendering (using Blazor.Extensions.Canvas or Plotly):**
- **Reference Path:** Solid blue line
- **Actual Path:** Dashed green line (updates real-time)
- **Robot Icon:** Oriented triangle at current position
- **Lookahead Point:** Red circle on reference path
- **Target Goal:** Flag icon
- **Error Bars:** Perpendicular lines showing CTE at sample points
**Interactive Features:**
- Zoom/pan
- Click to see metrics at specific point
- Toggle layers (reference, actual, errors)
### 5.3. SignalR Hub Definition
**File:** `Hubs/TuningHub.cs`
```csharp
public class TuningHub : Hub
{
private readonly ITuningOrchestrator _orchestrator;
public TuningHub(ITuningOrchestrator orchestrator)
{
_orchestrator = orchestrator;
}
// Client → Server
public async Task StartTest(TestScenario scenario, ParameterSet parameters)
{
await _orchestrator.StartTest(scenario, parameters, Context.ConnectionId);
}
public async Task PauseTest()
{
await _orchestrator.PauseTest(Context.ConnectionId);
}
public async Task StopTest()
{
await _orchestrator.StopTest(Context.ConnectionId);
}
public async Task EmergencyStop()
{
await _orchestrator.EmergencyStop(Context.ConnectionId);
}
// Server → Client (called by orchestrator)
// Clients.Caller.SendAsync("ReceiveState", state);
// Clients.Caller.SendAsync("ReceiveMetrics", metrics);
// Clients.Caller.SendAsync("ReceiveTestStatus", status);
// Clients.Caller.SendAsync("ReceiveSafetyEvent", safetyEvent);
}
```
**Client-side Connection:**
```csharp
@code {
private HubConnection hubConnection;
protected override async Task OnInitializedAsync()
{
hubConnection = new HubConnectionBuilder()
.WithUrl(NavigationManager.ToAbsoluteUri("/tuninghub"))
.WithAutomaticReconnect()
.Build();
hubConnection.On<RobotState>("ReceiveState", HandleStateUpdate);
hubConnection.On<TestMetrics>("ReceiveMetrics", HandleMetricsUpdate);
hubConnection.On<TestStatus>("ReceiveTestStatus", HandleStatusUpdate);
hubConnection.On<SafetyEvent>("ReceiveSafetyEvent", HandleSafetyEvent);
await hubConnection.StartAsync();
}
}
```
---
## 6. LAYER 2: APPLICATION SERVICES
### 6.1. TuningOrchestrator
**Responsibility:** Coordinate the entire tuning workflow from test initiation to result storage.
**Interface:**
```csharp
public interface ITuningOrchestrator
{
// Test execution
Task<TestResult> RunSingleTest(
TestScenario scenario,
ParameterSet parameters,
string connectionId = null
);
Task<BatchTestResult> RunBatchTests(
List<TestScenario> scenarios,
ParameterSet parameters
);
Task<ComparisonResult> CompareConfigurations(
List<ParameterSet> parameterSets,
TestScenario scenario
);
// Real-time control
Task StartTest(TestScenario scenario, ParameterSet parameters, string connectionId);
Task PauseTest(string connectionId);
Task ResumeTest(string connectionId);
Task StopTest(string connectionId);
Task EmergencyStop(string connectionId