초록 ▼

An attitude control system for controlling a pitch angle in relation to a horizontal pitch reference in systems wherein the components of pitch angle and horizontal pitch combine to determine a parallel path of travel with respect to a horizontal reference plane. The attitude control system consists

An attitude control system for controlling a pitch angle in relation to a horizontal pitch reference in systems wherein the components of pitch angle and horizontal pitch combine to determine a parallel path of travel with respect to a horizontal reference plane. The attitude control system consists of a slope sensor for measuring and compensating for pitch attitude changes in conjunction with a grade control system for monitoring horizontal reference. The present attitude control system is applicable to trenching machines whereby soil conditions affecting pitch angle are compensated in conjunction with horizontal pitch to control a predetermined grade or the pitch angle can be utilized alone to control slope of an excavation line.

대표청구항 ▼

An attitude control system for controlling the grade of a pitch angle and pitch altitude grade responsive connected member in relation to a reference comprising: (a) means for sensing the pitch angle component of a connected member having grade determined by a combination of pitch angle and pitch al

An attitude control system for controlling the grade of a pitch angle and pitch altitude grade responsive connected member in relation to a reference comprising: (a) means for sensing the pitch angle component of a connected member having grade determined by a combination of pitch angle and pitch altitude components; (b) means for maintaining the pitch altitude component of said connected member with respect to a reference; (c) motor control means for adjusting pitch angle to maintain said connected member at a predetermined grade; and, (d) means for coordinating changes in the sensed pitch angle component with the motor control means to maintain the amount of pitch angle correction necessary to maintain a pre-determined grade.