EV Controller Adapting Torque and Speed to Terrain
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Solution Overview
Problem
Electric vehicles, particularly low-speed vehicles, face challenges in minimizing environmental impact and ensuring operator safety when operating on diverse terrains, as they can damage natural surfaces and pose safety risks due to inappropriate power engagement or braking.
Innovation Solution
An electric vehicle system equipped with sensors and a vehicular controller that adjusts operational parameters based on geo-location and local environmental data, using a database of operational profiles to optimize torque, speed, and tire pressure to reduce environmental impact and ensure safety.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the electric vehicle engages power or braking on natural unpaved terrain, then the vehicle can operate and perform work, but the wheels rip up the terrain causing environmental damage
Solution Approach 1:
The system dynamically adjusts operational parameters (torque, speed, braking force) based on real-time terrain detection using sensors and camera image processing. The controller continuously adapts power engagement levels to match the detected terrain type, transitioning from static operational modes to dynamic, condition-responsive control that prevents terrain damage while maintaining vehicle functionality.
Solution Approach 2:
The system employs sensor feedback mechanisms including cameras, terrain sensors, and environmental sensors that continuously monitor the operating conditions. This feedback loop enables the controller to detect terrain types and adjust operational parameters in real-time, creating a closed-loop control system that prevents harmful effects while maintaining productivity.
2Productivity
If the operator engages power inappropriately for local terrain conditions, then the vehicle can move faster or more efficiently, but safety risks increase for the operator or vehicle
Solution Approach 1:
The system performs preliminary terrain assessment using sensors and camera imaging before full power engagement. By detecting terrain characteristics in advance and pre-adjusting operational parameters, the system prevents unsafe power engagement on unsuitable terrain, eliminating the need for reactive safety measures and enabling proactive safety management.
Solution Approach 2:
The system replaces manual operator judgment and mechanical control with automated sensor-based detection and electronic control. The controller uses image processing and sensor data to automatically determine safe operational parameters, substituting human decision-making with a more reliable, consistent, and rapid automated system that reduces safety risks.
3Productivity
If the electric vehicle uses higher torque and power settings, then work performance improves, but environmental impact and terrain damage increase
Solution Approach 1:
The system dynamically changes operational parameters (torque, power, speed, braking force) based on detected terrain conditions. By adjusting these parameters in real-time according to terrain type, the system optimizes work performance for each specific condition while minimizing environmental impact, avoiding both excessive power application and insufficient performance.
Data Source
AI summary
Environmentally friendly electrical vehicles are presented. The electrical vehicles include electrical low speed vehicles (LSVs) that may use sensed location data to obtain one or more operational profiles. The operational profiles may govern the behavior of the LSV in a specific environment, area, or zone to ensure the LSV reduces its impact on the local terrain. The LSV may leverage locally sensed data to form a local context in which the LSV is operating. The LSV's vehicular controller may refine the operational parameters of the operational profile to ensure smooth operation based on local conditions from the local context.