Vehicular Arithmetic Processing Device Workload Balancing
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Solution Overview
Problem
The increasing demand for arithmetic operations in vehicles, particularly in automated driving systems, leads to varying levels of processing device capacity, resulting in inefficient use of resources due to surplus or insufficient capacity, necessitating a method to equalize and effectively utilize these resources.
Innovation Solution
A vehicular arithmetic operation processing device with a communication function that dynamically transmits or receives arithmetic operation tasks based on predetermined capacity thresholds, allowing for communication with external devices or other vehicles to balance workload, utilizing an electronic control unit to manage task distribution and resource allocation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If arithmetic operation tasks are performed locally in the vehicle, then processing speed and reliability are improved, but device complexity and energy consumption increase when capacity is insufficient
Solution Approach 1:
The patent merges the arithmetic operation capabilities of multiple vehicles by enabling task transmission between vehicles with different capacity states. Vehicles with surplus capacity can receive and process tasks from vehicles with insufficient capacity, effectively combining their computational resources to maintain reliability without increasing individual device complexity
Solution Approach 2:
The server computer acts as an intermediary that coordinates task distribution between vehicles. It receives task transmission requests, identifies suitable vehicles with surplus capacity, and facilitates the transfer of arithmetic operation tasks, thereby resolving the contradiction without requiring direct complex peer-to-peer communication between all vehicles
2Productivity
If arithmetic operation tasks are transmitted to external devices, then resource utilization is improved, but communication overhead and response time increase
Solution Approach 1:
The patent applies local quality by prioritizing local processing when capacity is sufficient and external transmission only when necessary. Each vehicle first attempts to process tasks locally, and only transmits to external devices when local capacity is exhausted, thereby minimizing communication overhead and response time while maximizing resource utilization
3Productivity
If vehicles with surplus capacity are utilized, then arithmetic operation efficiency is improved, but system complexity and coordination overhead increase
Solution Approach 1:
The server computer serves as a central intermediary that manages the complexity of coordinating between multiple vehicles with different capacity states. It maintains information about which vehicles have surplus capacity and routes tasks appropriately, thereby enabling efficient resource utilization without requiring complex direct coordination between all vehicle pairs
Data Source
AI summary
A vehicular arithmetic operation processing device that is mounted in a vehicle having a communication function of communicating with an outside of the vehicle and the vehicular arithmetic operation processing device includes an electronic control unit. The electronic control unit is configured to: perform an arithmetic operation for an arithmetic operation task, output a result of the arithmetic operation, and receive an arithmetic operation task from the outside of the vehicle by using the communication function when an amount of arithmetic operations performed in the vehicular arithmetic operation processing device is equal to or less than a predetermined first value; and transmit an arithmetic operation task to the outside of the vehicle by using the communication function when the amount of arithmetic operations which are performed in the vehicular arithmetic operation processing device is equal to or greater than a predetermined second value.