“How long?”
At the post-mortem, Elena asked the room: “Why didn’t we think of this before?” iec 61508-7
The next morning, I didn’t propose a new hardware architecture. I proposed a : two independent software teams, two different compilers, two different algorithms for obstacle detection—running in lockstep. One calculates distance by wheel ticks. The other by LiDAR odometry. If they disagree by more than 2%, the truck stops immediately —not because of a sensor, but because of a logical contradiction. “How long
Elena wanted a new architecture. She wanted triple-modular redundancy, a SIL 3 re-certification, and a timeline that would sink our quarterly earnings. “How long?” At the post-mortem