Deployed CEW Electrode Voltage Detection for Dynamic Polarity Assignment
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing conducted electrical weapons (CEWs) face challenges in effectively delivering a stimulus signal to immobilize targets due to unpredictable electrode polarity assignments and inefficient energy usage, leading to inconsistent neuromuscular incapacitation (NMI) and rapid battery depletion.
Innovation Solution
The CEW system includes a selector circuit that dynamically assigns polarity to electrodes based on connectivity testing, allowing for optimal electrode pairing and energy management, ensuring consistent NMI delivery while conserving battery power.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional fixed polarity assignment is used in CEW electrodes, then the device structure is simple, but the neuromuscular incapacitation effectiveness is inconsistent
Solution Approach 1:
The patent implements dynamic polarity assignment where the controller can switch between different polarity configurations (first polarity assignment and second polarity assignment) for the electrodes. This dynamic switching capability allows the system to adapt to different operational conditions and target responses, improving NMI effectiveness while managing system complexity through controlled flexibility rather than complete randomness.
Solution Approach 2:
The system changes the electrical parameter (polarity) of the electrodes based on connectivity test results and operational requirements. By measuring electrode connectivity and switching polarity assignments accordingly, the system optimizes current flow through the target to ensure consistent neuromuscular incapacitation while maintaining reliable operation across varying conditions.
2Measurement precision
If connectivity testing is performed for all electrode pairs, then electrode pairing accuracy is improved, but energy consumption increases
Solution Approach 1:
The patent performs connectivity testing selectively rather than exhaustively for all electrode pairs. The controller conducts connectivity tests to determine which electrodes are properly connected, but limits the scope of testing based on operational needs and battery status. This partial action approach ensures sufficient measurement precision for reliable electrode pairing while conserving battery power by avoiding unnecessary comprehensive testing.
Solution Approach 2:
The system uses the existing electrode circuitry and power supply to perform self-diagnosis of connectivity status. By utilizing the same electrical pathways that deliver the stimulus signal for connectivity testing, the system achieves accurate electrode pairing detection without requiring separate dedicated testing mechanisms, thereby minimizing additional energy consumption.
3Reliability
If optimal electrode pairing is implemented, then NMI consistency is improved, but system complexity increases
Solution Approach 1:
The patent implements a feedback mechanism where the controller measures electrode connectivity and uses this information to determine optimal electrode pairs for stimulus signal delivery. The system continuously monitors electrode status and adjusts pairing decisions based on real-time connectivity data, ensuring consistent NMI effectiveness while managing complexity through intelligent control algorithms rather than mechanical complexity.
Data Source
AI summary
A conducted electrical weapon (“CEW”) may launch electrodes toward a target to electrically couple to the target. A CEW may include a signal generator, one or more electrodes, and a selector circuit. The signal generator may include a first conductor and a second conductor, wherein the first conductor has a positive potential and the second conductor has a negative potential. The signal generator may be configured to provide a stimulus signal through the first conductor and the second conductor. The selector circuit may be in electrical series between the signal generator and the one or more electrodes. The selector circuit may be configured to selectively electrically couple an electrode from the one or more electrodes to the first conductor or the second conductor of the signal generator.