Autonomous Salt-Dispensing Robot for Icy Pathway De-Icing

Resolve Bottlenecks,
Find Innovative Solutions
Generate Solutions

Solution Overview

Problem

Current methods for salting driveways and icy surfaces are inefficient and dangerous, requiring manual intervention and vehicle maneuvering, which can be cumbersome and pose risks.

Innovation Solution

A robotic de-icer system equipped with a frame, wheels, a salt dispenser, servo motors, and a microcontroller that allows for automated salt dispensing at variable intervals and angles, using sensors and GPS for navigation and obstacle detection, enabling operation based on weather information and user input.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If manual salting methods are used, then the device complexity is low, but the ease of operation deteriorates due to dangerous manual intervention and vehicle maneuvering requirements

Engineering Contradiction:
Improveease of operationVSAvoiddevice complexity
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The robotic de-icer performs the salting task autonomously without requiring human intervention during operation. The robot navigates, dispenses salt, and returns to base automatically, allowing the system to serve itself and eliminating the need for dangerous manual driveway salting operations

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The patent replaces manual mechanical salting operations with an automated robotic system that uses electronic control, sensors, and programmed navigation. The microcontroller coordinates motors, servos, and sensors to automate the entire salting process, substituting human physical labor with an integrated electromechanical system

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

2Productivity

If hopper spreaders connected to vehicles are used, then the productivity increases, but the ease of operation deteriorates due to cumbersome vehicle maneuvering requirements

Engineering Contradiction:
ImproveproductivityVSAvoidease of operation
Core Design Contradiction:
ProductivityVSEase of operation

Solution Approach 1:

The robotic de-icer autonomously navigates the driveway, dispenses salt at appropriate locations, and returns to its base station without requiring human operation. The system self-manages the entire salting process, eliminating the need for vehicle maneuvering while maintaining efficient salt application

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The patent divides the salting task into discrete operational segments: navigation to target location, salt dispensing at specific intervals, and return to base. The robot processes the driveway in manageable sections rather than requiring continuous vehicle movement, improving ease of operation while maintaining productivity

Inventive Principle:
Principle #1Segmentation

3Ease of operation

If automated robotic systems are used, then the ease of operation improves, but the device complexity increases due to multiple components including motors, servos, and sensors

Engineering Contradiction:
Improveease of operationVSAvoiddevice complexity
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The robotic de-icer integrates multiple functions into a single platform: navigation, salt storage, salt dispensing, obstacle detection, and autonomous return to base. This multi-functional design consolidates what would otherwise require separate devices into one unified system, managing complexity through functional integration

Inventive Principle:
Principle #6Universality (Multi-functionality)

Solution Approach 2:

The microcontroller serves as an intermediary that coordinates all system components. It receives input from sensors, processes navigation data, controls motor movement, and manages servo-actuated salt dispensing. This central control architecture simplifies the management of multiple components by providing a single coordination point

Inventive Principle:
Principle #24Intermediary (Mediator)

4Productivity

If variable salt dispensing intervals are implemented, then the productivity increases, but the device complexity increases due to microcontroller programming requirements

Engineering Contradiction:
ImproveproductivityVSAvoiddevice complexity
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The salt dispensing interval is made dynamic rather than fixed. The microcontroller adjusts the timing and frequency of salt dispensing based on real-time conditions such as driveway length, detected ice patches, and robot speed. This dynamic adaptation optimizes salt application efficiency while the programmable nature allows flexible adjustment without hardware changes

Inventive Principle:
Principle #15Dynamics

Data Source

PatentUS11933008B2Robotic de-icer
Publication Date: 2024.03.19 OSTROW ARI J
  • US11933008B2 patent drawing
  • US11933008B2 patent drawing
  • US11933008B2 patent drawing

AI summary

An apparatus for de-icing a pathway, the apparatus comprising a frame including a set of wheels, a salt dispenser, a servo attached to the salt dispenser, one or more motors, the motors attached to at least one of the set of wheels, and a microcontroller communicatively coupled to the servo and the one or more motors, wherein the microcontroller instructs the servo to operate the salt dispenser and activates the one or more motors to drive the at least one of the set of wheels.