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System for preventing carrier from turning sideways

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TLDR
In this article, a system for preventing a vehicle from turning sideways comprises a unit for measuring the weight of a cargo on the vehicle, a unit measuring the height of the gravitational center of the cargo and a unit that measures the steering angle of the vehicle.
Abstract
A system for preventing a vehicle from turning sideways comprises a unit for measuring the weight of a cargo on the vehicle, a unit for measuring the height of gravitational center of the cargo on the vehicle, a unit for measuring the steering angle of the vehicle, and a unit for measuring the running speed of the vehicle. The static stability of the vehicle is derived from the weight and the height of gravitational center of the vehicle and the measured weight and height of gravitational center of the cargo. The dynamic instability of the vehicle during turning is derived from the measured steering angle and running speed. First and second allowable limits are determined according to the static stability. When the dynamic instability exceeds the first allowable limit, the clutch of the vehicle is disengaged, and when the instability exceeds the second limit, the vehicle is braked. Upon the dynamic instability exceeding each allowable limit, information to that effect is given.

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References
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Force-moment compensating apparatus

TL;DR: In this paper, a fork-lift truck with a tiltable mast and a fixed counterweight is used to adjust a counterweight to provide a stable condition when the position and weight of the load changes.
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Electrically controlled travel drive control system for steerable vehicles, particularly fork lift trucks

TL;DR: In this article, an electrically controlled drive control system for steerable fork lift trucks is presented. Butterworth et al. used a comparator for applying at least one additional speed-influencing input signal with the comparator.
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Control system for lift trucks or the like

TL;DR: In this paper, an additional level detector is added to the level detector to provide a further signal indicating that the unstable load distribution condition on the vehicle is being approached, which signal is issued prior to the signal from the first-mentioned level detector.
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Load responsive damping system

TL;DR: In this article, a damping system is used in a lift truck to damp oscillating motions of the vehicle frame, including a pair of hydraulic tilt cylinders (46a, 46b) which sense moments of force of a carried load.