Waldron, KJ & Sun, JWH 1979, 'CONTROL OF ANGULAR DISPLACEMENT IN BURMESTER SYNTHESIS PROBLEMS.', Urban Systems, vol. 1, pp. 38-41.
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Methods of imposing inequality, or partial equality, constraints on the relative angular displacements of links of planar four-bar linkages synthesized using Burmester's technique have recently been developed as a result of the work of Filemon and of Waldron on the elimination of solutions requiring a change of branch. However, control of these relative displacements has many applications beyond elimination of branch change. The ability to impose inequality constraints on the angular displacements of any joint, or joints, opens a whole new class of synthesis problems. In this paper, a unified theory of the application of inequality constraints on joint angles is presented and illustrated with examples.