#!/usr/bin/env python3 """ PWM Controller Computational Repurposing Analyzes PWM (Pulse Width Modulation) controllers for general-purpose computation capabilities. """ import json from pathlib import Path from typing import Dict, List, Optional # Paths OUTPUT_DIR = Path("/home/allaun/Documents/Research Stack/out") class PWMControllerComputational: """Analyzes PWM controllers for general computation.""" def __init__(self): self.pwm_controller = { "device": "PWM Controller (Pulse Width Modulation)", "concept": "Use PWM duty cycle and frequency for computation", "type": "PWM circuits for power regulation, motor control, signal generation", "frequency_range": "1 Hz - 1 MHz (typical)", "duty_cycle_range": "0-100%", "computational_potential": "MEDIUM-HIGH (duty cycle arithmetic, frequency modulation, time-based computation)" } self.pwm_capabilities = { "duty_cycle": "Pulse width modulation (0-100% duty cycle)", "frequency": "PWM frequency (1 Hz - 1 MHz)", "phase": "PWM phase shift (0-360 degrees)", "multiple_channels": "Multiple PWM channels for parallel computation", "timer_based": "Timer/counter based PWM generation" } def analyze_computational_potential(self) -> Dict: """Analyze computational potential of PWM controller.""" analysis = { "duty_cycle_computation": { "feasible": True, "mode": "Duty cycle computation", "description": "Use PWM duty cycle for computational values", "throughput": "Frequency limited (1 Hz - 1 MHz)", "latency": "PWM period limited (1us - 1s)", "precision": "8-16 bit duty cycle resolution", "power": "1-5W (PWM controller)", "risk": "LOW (non-invasive)" }, "frequency_modulation": { "feasible": True, "mode": "Frequency modulation computation", "description": "Use PWM frequency for computational encoding", "throughput": "Frequency limited (1 Hz - 1 MHz)", "latency": "Frequency change latency (1us - 1ms)", "precision": "Frequency resolution (0.1% - 1%)", "power": "1-5W", "risk": "LOW (non-invasive)" }, "phase_modulation": { "feasible": True, "mode": "Phase modulation computation", "description": "Use PWM phase shift for computational encoding", "throughput": "Frequency limited (1 Hz - 1 MHz)", "latency": "Phase change latency (1us - 1ms)", "precision": "8-12 bit phase resolution", "power": "1-5W", "risk": "LOW (non-invasive)" }, "multi_channel_parallel": { "feasible": True, "mode": "Multi-channel parallel computation", "description": "Use multiple PWM channels for parallel computation", "throughput": "N x frequency (N channels)", "latency": "PWM period limited", "precision": "8-16 bit per channel", "power": "2-10W (multiple channels)", "risk": "LOW-MEDIUM (channel coordination)" } } return analysis def design_computational_approach(self) -> Dict: """Design PWM controller computational approach.""" approach = { "duty_cycle_computation": { "concept": "Use PWM duty cycle for computation", "implementation": "Encode computational values in duty cycle", "operations": ["duty cycle arithmetic", "pulse width encoding", "time-based state"], "throughput": "Frequency limited (1 Hz - 1 MHz)", "latency": "PWM period limited (1us - 1s)", "precision": "8-16 bit duty cycle", "power": "1-5W", "risk": "LOW" }, "frequency_modulation": { "concept": "Use PWM frequency for computation", "implementation": "Encode computational values in frequency", "operations": ["frequency arithmetic", "modulation encoding", "FM computation"], "throughput": "Frequency limited (1 Hz - 1 MHz)", "latency": "Frequency change latency (1us - 1ms)", "precision": "0.1% - 1% frequency resolution", "power": "1-5W", "risk": "LOW" }, "phase_modulation": { "concept": "Use PWM phase for computation", "implementation": "Encode computational values in phase shift", "operations": ["phase arithmetic", "phase encoding", "PM computation"], "throughput": "Frequency limited (1 Hz - 1 MHz)", "latency": "Phase change latency (1us - 1ms)", "precision": "8-12 bit phase resolution", "power": "1-5W", "risk": "LOW" }, "multi_channel": { "concept": "Use multiple PWM channels for parallel computation", "implementation": "Parallel computation across PWM channels", "operations": ["parallel duty cycle", "parallel frequency", "channel arithmetic"], "throughput": "N x frequency (N channels)", "latency": "PWM period limited", "precision": "8-16 bit per channel", "power": "2-10W", "risk": "LOW-MEDIUM" } } return approach def estimate_performance(self) -> Dict: """Estimate performance of PWM controller computation.""" performance = { "duty_cycle": { "throughput": "Frequency limited (1 Hz - 1 MHz)", "latency": "PWM period limited (1us - 1s)", "precision": "8-16 bit duty cycle", "operations": "duty cycle arithmetic", "power": "1-5W" }, "frequency_modulation": { "throughput": "Frequency limited (1 Hz - 1 MHz)", "latency": "Frequency change latency (1us - 1ms)", "precision": "0.1% - 1% frequency resolution", "operations": "frequency arithmetic", "power": "1-5W" }, "phase_modulation": { "throughput": "Frequency limited (1 Hz - 1 MHz)", "latency": "Phase change latency (1us - 1ms)", "precision": "8-12 bit phase resolution", "operations": "phase arithmetic", "power": "1-5W" }, "multi_channel": { "throughput": "N x frequency (N channels)", "latency": "PWM period limited", "precision": "8-16 bit per channel", "operations": "parallel processing", "power": "2-10W" } } return performance def run_analysis(self) -> Dict: """Run PWM controller computational analysis.""" print("=" * 60) print("PWM CONTROLLER COMPUTATIONAL ANALYSIS") print("=" * 60) # Step 1: Analyze PWM controller print("\n[1/4] Analyzing PWM controller...") print(f" Device: {self.pwm_controller['device']}") print(f" Concept: {self.pwm_controller['concept']}") print(f" Type: {self.pwm_controller['type']}") print(f" Frequency Range: {self.pwm_controller['frequency_range']}") print(f" Computational Potential: {self.pwm_controller['computational_potential']}") # Step 2: Analyze computational potential print("[2/4] Analyzing computational potential...") potential = self.analyze_computational_potential() print(f" Duty Cycle: {potential['duty_cycle_computation']['feasible']} - {potential['duty_cycle_computation']['risk']}") print(f" Frequency Modulation: {potential['frequency_modulation']['feasible']} - {potential['frequency_modulation']['risk']}") print(f" Phase Modulation: {potential['phase_modulation']['feasible']} - {potential['phase_modulation']['risk']}") print(f" Multi-Channel: {potential['multi_channel_parallel']['feasible']} - {potential['multi_channel_parallel']['risk']}") # Step 3: Design computational approach print("[3/4] Designing computational approach...") approach = self.design_computational_approach() print(f" Computational modes: {len(approach)}") for mode, details in approach.items(): print(f" {mode}: {details['throughput']} - {details['risk']}") # Step 4: Estimate performance print("[4/4] Estimating performance...") performance = self.estimate_performance() print(f" Duty Cycle: {performance['duty_cycle']['throughput']}") print(f" Frequency Modulation: {performance['frequency_modulation']['throughput']}") print(f" Phase Modulation: {performance['phase_modulation']['throughput']}") print(f" Multi-Channel: {performance['multi_channel']['throughput']}") print("\n" + "=" * 60) print("PWM CONTROLLER COMPUTATIONAL ANALYSIS COMPLETE") print("=" * 60) return { "pwm_controller": self.pwm_controller, "pwm_capabilities": self.pwm_capabilities, "computational_potential": potential, "computational_approach": approach, "performance_estimates": performance } if __name__ == '__main__': analyzer = PWMControllerComputational() results = analyzer.run_analysis() # Save results output_file = OUTPUT_DIR / "pwm_controller_computational.json" with open(output_file, 'w') as f: json.dump(results, f, indent=2) print(f"\nAnalysis results saved to {output_file}") # Print summary print("\n" + "=" * 60) print("PWM CONTROLLER COMPUTATIONAL SUMMARY") print("=" * 60) print(f"Device: {results['pwm_controller']['device']}") print(f"Frequency Range: {results['pwm_controller']['frequency_range']}") print(f"Computational Potential: {results['pwm_controller']['computational_potential']}") print(f"Max Throughput: {results['performance_estimates']['multi_channel']['throughput']}")