Shared-Motor Brake and Suspension Control for Lighter Vehicles
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Solution Overview
Problem
The integration of electromechanical brakes and active geometry control suspension systems in vehicles requires additional motors, actuators, and controllers, increasing vehicle weight and costs, while also complicating the system structure.
Innovation Solution
An electromechanical brake system with a suspension control function that uses a single motor and integrated controller to manage both the brake and suspension systems, employing magnetic clutches and flexible cables to transmit power based on vehicle state signals from sensors, thereby reducing the number of required components.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If electromechanical brake and active geometry control suspension system are simultaneously applied to a vehicle, then both braking and suspension control functions are achieved, but the weight of the vehicle is increased due to additional motors, actuators, and controllers
Solution Approach 1:
The patent combines the electromechanical brake system and active geometry control suspension system into a single integrated system. The brake actuator and suspension actuator are merged into one unified actuator that can perform both braking and suspension control functions. The control unit integrates both control functions, eliminating the need for separate controllers. This merging approach achieves both control functions while reducing the number of components, thereby decreasing vehicle weight.
Solution Approach 2:
The patent implements a universal actuator that can perform multiple functions - both braking and suspension control. The single actuator is designed to provide driving force to either the brake or the suspension depending on the operational mode, making it a multi-functional component. This universality eliminates the need for separate dedicated motors and actuators for each function, reducing overall system weight.
2Adaptability or versatility
If electromechanical brake and active geometry control suspension system are simultaneously applied to a vehicle, then both braking and suspension control functions are achieved, but excessive expenses are necessary to apply an integrated system to the vehicle
Solution Approach 1:
The patent merges the brake and suspension control systems into a single integrated system with shared components. The control unit integrates both control functions, and the actuator is designed to serve both purposes. This consolidation reduces the total number of parts that need to be manufactured, assembled, and maintained, thereby reducing manufacturing costs and making the integrated system more economically viable.
3Adaptability or versatility
If electromechanical brake and active geometry control suspension system are simultaneously applied to a vehicle, then both braking and suspension control functions are achieved, but the structure of the system is complicated
Solution Approach 1:
The patent merges the previously separate brake and suspension systems into a single integrated structure. The brake actuator and suspension actuator are combined into one actuator unit, and the control units are integrated into a single control system. This merging simplifies the overall system architecture by reducing the number of separate components and their interconnections, making the system structure less complicated despite maintaining both control functions.
Solution Approach 2:
The patent employs universal components that can perform multiple functions. The single actuator is designed to provide driving force to either the brake or the suspension based on control signals, eliminating the need for separate dedicated actuators. This multi-functionality reduces structural complexity by replacing multiple specialized components with fewer versatile ones.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This solution simplifies the system by reducing the number of motors and controllers needed, enhancing stability and marketability while maintaining effective braking and suspension control, thus addressing the weight and cost issues associated with dual system integration.
Implementation Method 1
a first clutch including a first coil configured to generate a first magnetic force, and a first coupler configured to couple to the motor when received the first magnetic force
Data Source
AI summary
An electromechanical brake system having a suspension control function. The electromechanical brake system includes: an electromechanical brake connected to each wheel of a vehicle to brake the vehicle, a suspension configured to control suspension of the vehicle, a motor configured to provide driving force to the electromechanical brake or to the suspension, a first clutch configured to connect the electromechanical brake and the motor to each other, a second clutch configured to connect the suspension and the motor to each other, and a controller configured to output a control signal for controlling the motor to be connected to one of the first clutch and the second clutch based on a state signal of the vehicle.