Vehicle Lock Anchor Control for Low-Power Smart Key Positioning
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Solution Overview
Problem
The existing smart key systems for vehicles lack a method to distinguish between a legitimate driver and an outsider, leading to high power consumption and potential battery discharge issues while waiting for signal reception from a portable terminal.
Innovation Solution
A lock control apparatus and method for a vehicle that switches the operation mode of anchors installed in the vehicle to reduce power consumption, allowing for efficient signal reception and improved security by comparing the position of the terminal with the door position to unlock or maintain the locked state accordingly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the anchor continuously waits to receive a signal from the portable terminal, then the signal reception reliability is improved, but the power consumption increases
Solution Approach 1:
The anchor dynamically switches between waiting mode and sleep mode based on whether a signal is received. When no signal is received for a predetermined time, the anchor transitions from waiting mode (high power consumption, high reliability) to sleep mode (low power consumption, low reliability), resolving the contradiction by adapting the reception state to actual needs
Solution Approach 2:
The system implements periodic signal checking with predetermined time intervals. The anchor waits for signals periodically rather than continuously, allowing it to enter sleep mode between periods when no signal is detected, thus reducing overall power consumption while maintaining acceptable signal reception reliability
2Measurement precision
If multiple anchors are activated to track terminal position accurately, then the position tracking precision is improved, but the power consumption increases
Solution Approach 1:
The system segments the anchor activation into multiple levels: when terminal position tracking is needed, only sufficient anchors are activated rather than all anchors. The processor selectively activates anchors based on the specific positioning requirements, dividing the system into active and inactive segments to reduce overall power consumption while maintaining necessary precision
Solution Approach 2:
The system changes the operational parameters of anchors dynamically. When high position tracking precision is required, more anchors are activated; when lower precision suffices or positioning is not needed, fewer anchors remain active. This parameter adjustment allows the system to balance precision requirements against power consumption
3Speed
If the anchor remains in waiting mode to quickly respond to unlock signals, then the response speed is improved, but the battery life decreases
Solution Approach 1:
The anchor dynamically adjusts its operational state based on actual signal reception needs. By transitioning between waiting mode (fast response, high power) and sleep mode (slow response, low power), the system optimizes the balance between response speed and battery life, maintaining fast response only when necessary
Data Source
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AI summary
The present disclosure relates to a lock control apparatus for a vehicle and a method of controlling the same that receive a signal of a terminal using a plurality of anchors installed in the vehicle, and set a sleep mode for each of a plurality of anchors in response to whether signals of the plurality of anchors are received and waiting times and reset the plurality of anchors according to a signal reception state to receive the signals, and thus it is possible to prevent a battery from being discharged by reducing power consumed by the plurality of anchors, improve performance obtained by tracking a position of the terminal, and improve security performance of the vehicle by preventing hacking of a smart key.