Multi-Rotor ESC Parameter Updates for Stable Flight Coordination
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Solution Overview
Problem
Existing multi-rotor drone designs face significant safety risks due to inadequate thrust and flight attitude anomalies caused by changes in design, leading to potential crashes and instability.
Innovation Solution
A parameter setting method and device that adjusts and updates common and independent control parameters of electronic speed controllers (ESCs) through a CAN bus network, using broadcast and point-to-point communication to ensure coordinated and precise parameter updates across all ESCs, enhancing system flexibility and configurability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the power system is designed to provide sufficient thrust for stable flight, then flight stability is improved, but the system becomes inflexible to design changes such as rotor number or weight modifications
Solution Approach 1:
The patent implements dynamic parameter configuration for ESCs, allowing thrust and response parameters to be adjusted in real-time based on drone design changes. The system transitions from static power system design to dynamic parameter adaptation, enabling the same hardware to support multiple configurations (different rotor counts, weights) by simply modifying control parameters rather than redesigning the power system
Solution Approach 2:
The patent changes physical or chemical state, concentration, density, flexibility, etc. of object - specifically, it changes the control parameters of ESCs (thrust parameters, response parameters) to adapt to different drone configurations. The parameter adjustment system modifies ESC parameters based on identity information and design requirements, enabling flexible adaptation to design changes while maintaining flight stability
2Adaptability or versatility
If ESC parameters are adjusted to respond to design changes, then adaptability is improved, but system safety deteriorates due to potential thrust mismatches and flight attitude anomalies
Solution Approach 1:
The patent introduces feedback mechanisms where the parameter adjustment system receives identity information from ESCs, parses their current parameters, and adjusts them based on actual drone configuration. The system continuously monitors and adjusts ESC parameters to ensure they match the current design state, preventing thrust mismatches and flight attitude anomalies that could lead to crashes
Solution Approach 2:
The patent performs required action in advance by pre-configuring ESC parameters before flight operations. The parameter adjustment system proactively adjusts ESC thrust and response parameters based on predicted design changes, ensuring the power system is properly calibrated before potential safety issues arise, rather than reacting after problems occur
3Measurement precision
If individual ESC parameters are customized for specific rotors, then control precision is improved, but system complexity increases due to multiple independent parameter sets
Solution Approach 1:
The patent divides ESC parameters into two distinct segments: common control parameter domain parameters (shared by all ESCs) and independent control parameter domain parameters (specific to each ESC). This segmentation allows the system to maintain simple common settings while enabling precise individual adjustments where needed, reducing overall parameter management complexity compared to fully independent configuration
Solution Approach 2:
The patent makes different parts of an object have different functions or properties - specifically, the common parameter domain serves universal functions for all ESCs (coordinate system, basic control characteristics) while the independent parameter domain handles rotor-specific requirements. This multi-functionality approach allows the parameter system to handle both standardized and customized requirements efficiently
4Productivity
If parameter updates are broadcast to all ESCs simultaneously, then communication efficiency is improved, but parameter update accuracy deteriorates due to potential synchronization issues
Solution Approach 1:
The patent segments parameter updates into two categories: common control parameter domain parameters updated via efficient broadcast to all ESCs simultaneously, and independent control parameter domain parameters updated via precise point-to-point communication to specific ESCs. This segmentation allows the system to maximize communication efficiency for universal parameters while ensuring accuracy for individual parameters
Data Source
AI summary
Disclosed is a parameter setting method, device and multi-rotor drone. The method for a multi-rotor drone includes: acquiring identity information of all the ESCs; parsing parameter information of the ESCs according to the identity information, where the parameter information includes a common control parameter domain parameter and an independent control parameter domain parameter; acquiring the parameter information modified by the user; updating the common control parameter domain parameters of all the ESCs based on the modified common control parameter domain parameter; and updating the independent control parameter domain parameter of the target ESC based on the modified independent control parameter domain parameter. According to the method, the parameter information includes the common control parameter domain parameters and the independent control parameter domain parameters, and parameters are updated in different ways, thereby ensuring coordinated system-wide operations, and ensuring accuracy of parameter update.