Autonomous Mixer Control System for Concrete Operations
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Solution Overview
Problem
Mixer vehicles require significant manual operation from operators for tasks such as activating and deactivating components, which can lead to inefficiencies and increased chances of errors, especially in tasks like loading and unloading concrete.
Innovation Solution
An autonomous control system is integrated into the mixer vehicle, utilizing sensors and controllers to automate operations such as moving subcomponents, activating/deactivating modes, and providing alerts to operators, based on detected events and thresholds, allowing for partial or full autonomous operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If manual operation is used for mixer vehicle components, then operator control and flexibility are maintained, but efficiency is reduced and error rates increase
Solution Approach 1:
The system enables self-service operation through autonomous control. Sensors detect events such as drum rotation status, chute position, and load conditions, then the controller automatically activates or deactivates components without requiring continuous manual input from the operator, allowing the vehicle to service itself during operation
Solution Approach 2:
The patent replaces manual mechanical operation with an automated control system. The controller substitutes for the operator's hands and decisions by receiving sensor inputs and automatically controlling component activation, thereby eliminating the need for continuous manual mechanical intervention while maintaining operational control
2Reliability
If more manual control tasks are assigned to the operator, then system complexity is reduced, but error probability and time consumption increase
Solution Approach 1:
The system implements feedback loops where sensors continuously monitor operational parameters such as drum rotation, chute position, and material flow conditions. This feedback is fed back to the controller which automatically adjusts component activation states, ensuring reliable operation while reducing errors through continuous monitoring and automatic correction
Solution Approach 2:
The controller acts as an intermediary between sensor detection and component activation. Rather than direct manual control, the controller mediates the operation by receiving sensor inputs and automatically determining when to activate or deactivate components, thereby reducing operator error while managing system complexity through intelligent intermediation
3Ease of operation
If autonomous control is implemented, then manual labor is reduced and precision is improved, but system complexity and initial operational challenges increase
Solution Approach 1:
The controller is designed as a multi-functional device that handles diverse operational tasks including drum control, chute positioning, component activation/deactivation, and operator alerting. This universal controller consolidates multiple functions into a single system, reducing manual labor requirements while managing complexity through functional integration rather than proliferation of separate systems
Data Source
AI summary
A mixer vehicle system includes a mixer vehicle and an autonomous control system. The mixer vehicle includes a chassis and a vehicle body. The vehicle body includes a plurality of subcomponents including a cabin, a mixing drum, a charge hopper, and a chute. The autonomous control system is configured to automate an operation of the mixer vehicle. The autonomous control system includes a sensor and a controller. The sensor is configured to detect an event and generate a signal. The controller is configured to receive the signal and generate an output. The output includes the operation of the mixer vehicle. The operation of the mixer vehicle includes at least one of: (i) moving at least one of the plurality of subcomponents to a desired position; (ii) activating or deactivating at least one mode of operation; and (iii) providing an alert to an operator of the mixer vehicle.