[Objective] To address the issue of multi-motor coordination failure in armored vehicle observation platforms caused by strong disturbances and sudden load impacts under complex off-road conditions, this paper proposes a control strategy based on active disturbance rejection control (ADRC) and Gaussian adaptive deviation coupling. [Methods] ADRC was introduced into the bottom speed loop of the single-axis motor, and both internal parameter variations and external instantaneous shocks were treated as a total disturbance for active compensation, thereby enhancing the anti-disturbance capability and response speed of the individual motor. To address the rigidity of traditional fixed-gain cooperative control and its tendency to cause inter-motor coupling, an adaptive cooperative regulator based on a Gaussian function was designed. During routine spatial motion of the platform, a smooth dead zone was constructed to accommodate the natural phase lag of asymmetric movement. Conversely, upon sudden strong load impact, the step characteristics of the Gaussian function were leveraged to instantaneously excite high cooperative stiffness, achieving dynamic proportional coordination and deceleration yielding among the multiple axes. [Results] Simulation results showed that, compared with traditional fixed-gain methods, the transient maximum cooperative error was reduced by 60% under equivalent variable load conditions, and the time for the system to recover stability after disturbance was shortened by 40% to 66.7%. [Conclusion] The control strategy proposed in this paper effectively reconciles the smoothness of the system during steady-state operation with its disturbance rejection robustness under extreme impact conditions, providing a reliable theoretical and practical reference for the cooperative control of high-dynamic parallel stabilization platforms.