Exemplo n.º 1
0
        /// <summary>
        /// 更新控制目标参考值
        /// </summary>
        /// <param name="flag">运动标号</param>
        /// <param name="values">运动参考值</param>
        public void RefreshAimPostion(int flag, double[] values)
        {
            if (workingStatus == WorkStatus.WorkRunning)
            {
                double posFactor, attFactor, fosFactor;
                bool   posEnable, attEnable, fosKeepEnable, fosTrackEnable;
                lock (controlParamLocker)
                {
                    posFactor = positionOverride;
                    attFactor = angleOverride;
                    fosFactor = forceOverride;

                    posEnable      = ifEnableTranslationTrack;
                    attEnable      = ifEnableAttitudeTrack;
                    fosKeepEnable  = ifEnableForceKeep;
                    fosTrackEnable = ifEnableForceTrack;
                }

                int      nextFlag = flag;
                double   xDist    = values[0] * posFactor;
                double   yDist    = values[1] * posFactor;
                double[] posture  = new double[] { values[2] * attFactor,
                                                   values[3] * attFactor,
                                                   values[4] * attFactor };
                double force = values[5] * fosFactor;

                // 1. 检验距离是否太大
                if (URMath.LengthOfArray(new double[] { xDist, yDist, 0 }) > maxAvailableRadius)
                {
                    double theta = Math.Atan2(yDist, xDist);
                    xDist = maxAvailableRadius * Math.Cos(theta);
                    yDist = maxAvailableRadius * Math.Sin(theta);
                }

                // 2. 检测转角是否过大
                double recAngle = URMath.LengthOfArray(posture);
                if (recAngle > maxAvailableAngle)
                {
                    posture[0] = posture[0] / recAngle * maxAvailableAngle;
                    posture[1] = posture[1] / recAngle * maxAvailableAngle;
                    posture[2] = posture[2] / recAngle * maxAvailableAngle;
                }

                // 3. 转换到当前的目标姿态
                Quatnum initialQ = URMath.AxisAngle2Quatnum(
                    new double[] { startTcpPostion[3], startTcpPostion[4], startTcpPostion[5] });
                double   rotateAngle = URMath.LengthOfArray(posture);
                double[] rotateAxisAtBase;
                if (Math.Abs(rotateAngle) < 0.001)
                {
                    rotateAxisAtBase = new double[] { 0.0, 0.0, 0.0 }
                }
                ;
                else
                {
                    rotateAxisAtBase =
                        URMath.FindDirectionToSecondReferenceFromFirstReference
                            (new double[] { posture[0] / rotateAngle, posture[1] / rotateAngle, posture[2] / rotateAngle },
                            URMath.InvQuatnum(initialQ));
                }
                Quatnum  rotateQ     = URMath.AxisAngle2Quatnum(new double[] { rotateAxisAtBase[0] * rotateAngle, rotateAxisAtBase[1] * rotateAngle, rotateAxisAtBase[2] * rotateAngle });
                double[] aimAttitude = URMath.Quatnum2AxisAngle(
                    URMath.QuatnumRotate(new Quatnum[] { initialQ, rotateQ }));

                // 4. 检测目标姿态是否过限
                double[] aimZDirection =
                    URMath.FindDirectionToSecondReferenceFromFirstReference(
                        new double[] { 0.0, 0.0, 1.0 },
                        URMath.AxisAngle2Quatnum(aimAttitude));
                if (URMath.VectorDotMultiply(
                        aimZDirection, new double[] { 0.0, 0.0, 1.0 }) > 0)
                {
                    double   aimAttitudeAngle = URMath.LengthOfArray(aimAttitude);
                    double[] aimAttitudeAxis  = new double[] {
                        aimAttitude[0] / aimAttitudeAngle,
                        aimAttitude[1] / aimAttitudeAngle,
                        aimAttitude[2] / aimAttitudeAngle
                    };

                    double newSin = 0.0;
                    if (Math.Pow(aimAttitudeAxis[2], 2) > 0.5)
                    {
                        newSin = 1.0;
                    }
                    else
                    {
                        newSin = Math.Sqrt(0.5 / (1 - Math.Pow(aimAttitudeAxis[2], 2)));
                    }
                    if (Math.Abs(newSin) > 1.0)
                    {
                        newSin = Math.Sign(newSin) * 1.0;
                    }
                    double newAngle = 2.0 * Math.Asin(newSin);
                    if (newAngle == System.Double.NaN)
                    {
                        newAngle = Math.Sign(newSin) * Math.PI;
                    }
                    aimAttitude[0] = aimAttitudeAxis[0] * newAngle;
                    aimAttitude[1] = aimAttitudeAxis[1] * newAngle;
                    aimAttitude[2] = aimAttitudeAxis[2] * newAngle;
                }

                // 5. 将参数输入模块
                // 输入模块的参数为:
                // 相对起始扫描点的两维坐标,
                // 相对基座原点的姿态,
                // 接触压力
                internalProcessor.servoTrackTranslationModule.ServoMotionRefreshRefValues(
                    nextFlag, new double?[] {
                    posEnable ? new double?(xDist) : null,
                    posEnable ? new double?(yDist) : null,
                    attEnable ? new double?(aimAttitude[0]) : null,
                    attEnable ? new double?(aimAttitude[1]) : null,
                    attEnable ? new double?(aimAttitude[2]) : null,
                    fosTrackEnable ? force : detectingBasicPreservedForce
                });

                // 6. 力保持使能更改
                internalProcessor.servoTrackTranslationModule.ServoMotionForceTrackEnable = fosKeepEnable;
            }
        }